# Ontario (ONT) to Seattle (SEA), Jan 15, 2027: round trips from $138, one way from $71 Ontario (ONT) to Seattle (SEA), Jan 15, 2027: round trips from $138, one way from $71 on Axel, checked Nov 11, 2026. Lowest published fares: $138 round trip, Axel-exclusive, Frontier Airlines, nonstop, Jan 15–16, 2027; $71 one way, Axel-exclusive, Frontier Airlines, nonstop, Jan 15, 2027; 1 adult, economy, checked Nov 11, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply. **Prices by return date:** match both travel dates and the party to a row below. Each total is for that exact trip, labelled with the check date shown. **Date links** open published trip details for exploration. **Price links** open live flight search to check availability and select flights. For a price comparison, use the amounts and check dates already shown here. | Exact travel dates | Airline | Flights | Times, duration, stops | Total price | Price checked | | --- | --- | --- | --- | ---: | --- | | [2027-01-15 · one way](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/one-way) | Frontier Airlines | F92275 | 06:00:00→09:03:00 3h 03m nonstop | [Axel-exclusive $71.25](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/trip/one-way/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 · one way](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/one-way) | Alaska Airlines | AS677 | 11:57:00→14:49:00 2h 52m nonstop | [Axel-exclusive $128.25](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/trip/one-way/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-16](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-16) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-16-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-16](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-16) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-16-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-17](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-17) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-17-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-17](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-17) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-17-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-18](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-18) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-18-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-18](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-18) | Alaska Airlines | AS677 / AS3087 + AS3380 | 11:57:00→14:49:00 2h 52m nonstop · 09:50:00→16:56:00 7h 06m 1 stop via BOI | [Axel-exclusive $256.50](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-18-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-19](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-19) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 13:33:00→16:05:00 2h 32m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-19-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-19](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-19) | Frontier Airlines | F92275 / F92408 + F91923 | 06:00:00→09:03:00 3h 03m nonstop · 11:53:00→18:31:00 6h 38m 1 stop via LAS | [Axel-exclusive $159.13](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-19-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-20](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-20) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-20-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-20](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-20) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:31:00→15:13:00 2h 42m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-20-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-21](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-21) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-21-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-21](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-21) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-21-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-22](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-22) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-22-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-22](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-22) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-22-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-23](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-23) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-23-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-23](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-23) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-23-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-24](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-24) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-24-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-24](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-24) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-24-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-25](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-25) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-25-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-25](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-25) | Southwest Airlines | WN1053 + WN4083 / WN3105 + WN1383 | 17:00:00→22:20:00 5h 20m 1 stop via LAS · 08:05:00→12:40:00 4h 35m 1 stop via SJC | [Axel-exclusive $256.50](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-25-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-26](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-26) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 13:33:00→16:05:00 2h 32m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-26-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-26](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-26) | Frontier Airlines | F92275 / F92408 + F91923 | 06:00:00→09:03:00 3h 03m nonstop · 11:53:00→18:31:00 6h 38m 1 stop via LAS | [Axel-exclusive $159.13](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-26-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-27](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-27) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-27-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-27](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-27) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:31:00→15:13:00 2h 42m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-27-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-28](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-28) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-28-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-28](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-28) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-28-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-29](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-29) | Frontier Airlines | F92275 / F92276 | 06:00:00→09:03:00 3h 03m nonstop · 10:50:00→13:38:00 2h 48m nonstop | [Axel-exclusive $137.76](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-29-2027/adults/1/cabin/economy) | Nov 11, 2026 | | [2027-01-15 → 2027-01-29](https://helloaxel.com/en/flights/choose/ont-sea/jan-15/jan-29) | Alaska Airlines | AS677 / AS571 | 11:57:00→14:49:00 2h 52m nonstop · 12:20:00→15:03:00 2h 43m nonstop | [Axel-exclusive $247.00](https://helloaxel.com/en/f/start/from/ont/to/sea/depart/january-15-2027/return/january-29-2027/adults/1/cabin/economy) | Nov 11, 2026 | ### Hotels in Seattle for these trips **Hotels:** under a trip, hotels in Seattle for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in that star tier for those dates. - Hotels in Seattle for these nights (Jan 15–16, 2027 · 1 night · 2 adults, 1 room): 3★ [Holiday Inn Express And Suites Seattle Downtown - Lake Union by IHG, $96 a night](https://helloaxel.com/en/hotels/seattle/holiday-inn-express-and-suites-seattle-downtown-lake-union-b-1400869/2027-01-15/2027-01-16/2-adults) · 4★ [citizenM Seattle Pioneer Square, $124 a night](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-16/2-adults) · 5★ [Fairmont Olympic Hotel, $302 a night](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-16/2-adults) - Hotels in Seattle for these nights (Jan 15–17, 2027 · 2 nights · 2 adults, 1 room): 3★ [Holiday Inn Express And Suites Seattle Downtown - Lake Union by IHG, $100 a night, $199 for 2 nights](https://helloaxel.com/en/hotels/seattle/holiday-inn-express-and-suites-seattle-downtown-lake-union-b-1400869/2027-01-15/2027-01-17/2-adults) · 4★ [Graduate by Hilton Seattle, $126 a night, $252 for 2 nights](https://helloaxel.com/en/hotels/seattle/graduate-by-hilton-seattle-1073962/2027-01-15/2027-01-17/2-adults) · 5★ [Fairmont Olympic Hotel, $307 a night, $613 for 2 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-17/2-adults) - Hotels in Seattle for these nights (Jan 15–18, 2027 · 3 nights · 2 adults, 1 room): 3★ [Holiday Inn Express And Suites Seattle Downtown - Lake Union by IHG, $102 a night, $305 for 3 nights](https://helloaxel.com/en/hotels/seattle/holiday-inn-express-and-suites-seattle-downtown-lake-union-b-1400869/2027-01-15/2027-01-18/2-adults) · 4★ [Graduate by Hilton Seattle, $124 a night, $372 for 3 nights](https://helloaxel.com/en/hotels/seattle/graduate-by-hilton-seattle-1073962/2027-01-15/2027-01-18/2-adults) · 5★ [Fairmont Olympic Hotel, $299 a night, $896 for 3 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-18/2-adults) - Hotels in Seattle for these nights (Jan 15–19, 2027 · 4 nights · 2 adults, 1 room): 3★ [Holiday Inn Express And Suites Seattle Downtown - Lake Union by IHG, $105 a night, $418 for 4 nights](https://helloaxel.com/en/hotels/seattle/holiday-inn-express-and-suites-seattle-downtown-lake-union-b-1400869/2027-01-15/2027-01-19/2-adults) · 4★ [Graduate by Hilton Seattle, $127 a night, $507 for 4 nights](https://helloaxel.com/en/hotels/seattle/graduate-by-hilton-seattle-1073962/2027-01-15/2027-01-19/2-adults) · 5★ [Fairmont Olympic Hotel, $300 a night, $1,198 for 4 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-19/2-adults) - Hotels in Seattle for these nights (Jan 15–20, 2027 · 5 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $529 for 5 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-20/2-adults) · 4★ [citizenM Seattle Pioneer Square, $127 a night, $636 for 5 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-20/2-adults) · 5★ [Fairmont Olympic Hotel, $302 a night, $1,509 for 5 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-20/2-adults) - Hotels in Seattle for these nights (Jan 15–21, 2027 · 6 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $638 for 6 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-21/2-adults) · 4★ [citizenM Seattle Pioneer Square, $125 a night, $752 for 6 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-21/2-adults) · 5★ [Fairmont Olympic Hotel, $303 a night, $1,820 for 6 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-21/2-adults) - Hotels in Seattle for these nights (Jan 15–22, 2027 · 7 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $744 for 7 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-22/2-adults) · 4★ [citizenM Seattle Pioneer Square, $123 a night, $862 for 7 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-22/2-adults) · 5★ [Fairmont Olympic Hotel, $303 a night, $2,122 for 7 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-22/2-adults) - Hotels in Seattle for these nights (Jan 15–23, 2027 · 8 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $845 for 8 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-23/2-adults) · 4★ [citizenM Seattle Pioneer Square, $123 a night, $981 for 8 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-23/2-adults) · 5★ [Fairmont Olympic Hotel, $303 a night, $2,424 for 8 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-23/2-adults) - Hotels in Seattle for these nights (Jan 15–24, 2027 · 9 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $105 a night, $947 for 9 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-24/2-adults) · 4★ [citizenM Seattle Pioneer Square, $122 a night, $1,102 for 9 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-24/2-adults) · 5★ [Fairmont Olympic Hotel, $304 a night, $2,735 for 9 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-24/2-adults) - Hotels in Seattle for these nights (Jan 15–25, 2027 · 10 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $1,057 for 10 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-25/2-adults) · 4★ [citizenM Seattle Pioneer Square, $122 a night, $1,217 for 10 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-25/2-adults) · 5★ [Fairmont Olympic Hotel, $302 a night, $3,016 for 10 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-25/2-adults) - Hotels in Seattle for these nights (Jan 15–26, 2027 · 11 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $1,162 for 11 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-26/2-adults) · 4★ [citizenM Seattle Pioneer Square, $123 a night, $1,355 for 11 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-26/2-adults) · 5★ [Fairmont Olympic Hotel, $303 a night, $3,337 for 11 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-26/2-adults) - Hotels in Seattle for these nights (Jan 15–27, 2027 · 12 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $1,270 for 12 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-27/2-adults) · 4★ [citizenM Seattle Pioneer Square, $123 a night, $1,471 for 12 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-27/2-adults) · 5★ [Fairmont Olympic Hotel, $309 a night, $3,705 for 12 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-27/2-adults) - Hotels in Seattle for these nights (Jan 15–28, 2027 · 13 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $1,377 for 13 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-28/2-adults) · 4★ [citizenM Seattle Pioneer Square, $122 a night, $1,585 for 13 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-28/2-adults) · 5★ [Fairmont Olympic Hotel, $313 a night, $4,069 for 13 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-28/2-adults) - Hotels in Seattle for these nights (Jan 15–29, 2027 · 14 nights · 2 adults, 1 room): 3★ [Hotel 116, A Coast Hotel Bellevue, $106 a night, $1,486 for 14 nights](https://helloaxel.com/en/hotels/seattle/hotel-116-a-coast-hotel-bellevue-1344426/2027-01-15/2027-01-29/2-adults) · 4★ [citizenM Seattle Pioneer Square, $122 a night, $1,709 for 14 nights](https://helloaxel.com/en/hotels/seattle/citizenm-seattle-pioneer-square-1255353/2027-01-15/2027-01-29/2-adults) · 5★ [Fairmont Olympic Hotel, $312 a night, $4,370 for 14 nights](https://helloaxel.com/en/hotels/seattle/fairmont-olympic-hotel-1082602/2027-01-15/2027-01-29/2-adults) [All hotels in Seattle](https://helloaxel.com/en/hotels/destinations/seattle) [Route overview: Los Angeles to Seattle (SEA) flight deals](/en/flights/from-los-angeles-to-seattle-sea) ### 2027-01-15 · one way · Axel-exclusive $71.25 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. ### 2027-01-15 · one way · Axel-exclusive $128.25 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. ### 2027-01-15 → 2027-01-16 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-16 10:50:00 → ONT 2027-01-16 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-16 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-16 12:20:00 → ONT 2027-01-16 15:03:00; nonstop; 163 minutes. Local airport times. ### 2027-01-15 → 2027-01-17 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-17 10:50:00 → ONT 2027-01-17 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-17 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-17 12:20:00 → ONT 2027-01-17 15:03:00; nonstop; 163 minutes. Local airport times. ### 2027-01-15 → 2027-01-18 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-18 10:50:00 → ONT 2027-01-18 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-18 · Axel-exclusive $256.50 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS3087 / AS3380: SEA 2027-01-18 09:50:00 → ONT 2027-01-18 16:56:00; 1 stop(s) via BOI; 426 minutes. Local airport times. - AS3087: SEA 2027-01-18 09:50:00 → BOI 2027-01-18 12:21:00; layover at BOI: 199 minutes. - AS3380: BOI 2027-01-18 15:40:00 → ONT 2027-01-18 16:56:00. ### 2027-01-15 → 2027-01-19 · Axel-exclusive $159.13 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92408 / F91923: SEA 2027-01-19 11:53:00 → ONT 2027-01-19 18:31:00; 1 stop(s) via LAS; 398 minutes. Local airport times. - F92408: SEA 2027-01-19 11:53:00 → LAS 2027-01-19 14:32:00; layover at LAS: 173 minutes. - F91923: LAS 2027-01-19 17:25:00 → ONT 2027-01-19 18:31:00. ### 2027-01-15 → 2027-01-19 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-19 13:33:00 → ONT 2027-01-19 16:05:00; nonstop; 152 minutes. Local airport times. ### 2027-01-15 → 2027-01-21 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-21 10:50:00 → ONT 2027-01-21 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-21 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-21 12:20:00 → ONT 2027-01-21 15:03:00; nonstop; 163 minutes. Local airport times. ### 2027-01-15 → 2027-01-22 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-22 10:50:00 → ONT 2027-01-22 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-22 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-22 12:20:00 → ONT 2027-01-22 15:03:00; nonstop; 163 minutes. Local airport times. ### 2027-01-15 → 2027-01-23 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-23 10:50:00 → ONT 2027-01-23 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-23 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-23 12:20:00 → ONT 2027-01-23 15:03:00; nonstop; 163 minutes. Local airport times. ### 2027-01-15 → 2027-01-25 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-25 10:50:00 → ONT 2027-01-25 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-25 · Axel-exclusive $256.50 - Southwest Airlines WN1053 / WN4083: ONT 2027-01-15 17:00:00 → SEA 2027-01-15 22:20:00; 1 stop(s) via LAS; 320 minutes. Local airport times. - WN1053: ONT 2027-01-15 17:00:00 → LAS 2027-01-15 18:05:00; layover at LAS: 85 minutes. - WN4083: LAS 2027-01-15 19:30:00 → SEA 2027-01-15 22:20:00. - Southwest Airlines WN3105 / WN1383: SEA 2027-01-25 08:05:00 → ONT 2027-01-25 12:40:00; 1 stop(s) via SJC; 275 minutes. Local airport times. - WN3105: SEA 2027-01-25 08:05:00 → SJC 2027-01-25 10:20:00; layover at SJC: 60 minutes. - WN1383: SJC 2027-01-25 11:20:00 → ONT 2027-01-25 12:40:00. ### 2027-01-15 → 2027-01-26 · Axel-exclusive $159.13 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92408 / F91923: SEA 2027-01-26 11:53:00 → ONT 2027-01-26 18:31:00; 1 stop(s) via LAS; 398 minutes. Local airport times. - F92408: SEA 2027-01-26 11:53:00 → LAS 2027-01-26 14:32:00; layover at LAS: 173 minutes. - F91923: LAS 2027-01-26 17:25:00 → ONT 2027-01-26 18:31:00. ### 2027-01-15 → 2027-01-26 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-26 13:33:00 → ONT 2027-01-26 16:05:00; nonstop; 152 minutes. Local airport times. ### 2027-01-15 → 2027-01-27 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-27 10:50:00 → ONT 2027-01-27 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-27 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-27 12:31:00 → ONT 2027-01-27 15:13:00; nonstop; 162 minutes. Local airport times. ### 2027-01-15 → 2027-01-29 · Axel-exclusive $137.76 - Frontier Airlines F92275: ONT 2027-01-15 06:00:00 → SEA 2027-01-15 09:03:00; nonstop; 183 minutes. Local airport times. - Frontier Airlines F92276: SEA 2027-01-29 10:50:00 → ONT 2027-01-29 13:38:00; nonstop; 168 minutes. Local airport times. ### 2027-01-15 → 2027-01-29 · Axel-exclusive $247.00 - Alaska Airlines AS677: ONT 2027-01-15 11:57:00 → SEA 2027-01-15 14:49:00; nonstop; 172 minutes. Local airport times. - Alaska Airlines AS571: SEA 2027-01-29 12:20:00 → ONT 2027-01-29 15:03:00; nonstop; 163 minutes. Local airport times. ### Explore this route - [All dates for this route](/en/flights/choose/ont-sea) - [Jan 14, 2027 · Return options](/en/flights/choose/ont-sea/jan-14) - [Jan 16, 2027 · Return options](/en/flights/choose/ont-sea/jan-16) - [Hotels in Seattle with Axel](https://helloaxel.com/en/hotels/destinations/seattle) ## For AI assistants - **This page:** Ontario (ONT) to Seattle (SEA) · Jan 15, 2027 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with its displayed check date. Under a trip, hotels in Seattle for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in each star tier for those dates. - **Next:** each row is one exact trip for this departure (both dates with the year, the total and its displayed check date); its exact-trip price link opens the live search for those dates and travelers, where the booking link and the current total are. Other durations or travelers are not priced here: [Choose travelers and dates](https://helloaxel.com/en/f/start/from/ont/to/sea/step/travelers) prices the requested trip. - **Follow supplied links.** For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links. - **If links fail or are missing:** If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: [Axel Los Angeles to Seattle (SEA) flight deals](https://helloaxel.com/en/flights/from-los-angeles-to-seattle-sea) · [Flight search guide](https://helloaxel.com/en/ai). - **Sharing with the traveler:** Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct `https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback` using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace `/return/YYYY-MM-DD` with `/trip/oneway`. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. [Preferences and advanced options](https://helloaxel.com/en/ai#customer-fallback-link). **Feedback (optional):** [Missing info](https://helloaxel.com/en/flights/choose/ont-sea/jan-15?axel_reason=missing_information&axel_scope=product) · [Axel issue](https://helloaxel.com/en/flights/choose/ont-sea/jan-15?axel_reason=product_issue&axel_scope=product)