San Diego (SAN) to Seattle (SEA), Dec 12, 2026: round trips from $259, one way from $139

San Diego (SAN) to Seattle (SEA), Dec 12, 2026: round trips from $259, one way from $139 on Axel, checked Oct 29, 2026. Lowest published fares: $259 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 12–14, 2026; $139 one way, Axel-exclusive, Southwest Airlines, nonstop, Dec 12, 2026; 1 adult, economy, checked Oct 29, 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, issued at the time 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 issuance times already shown here.

Exact travel dates Airline Flights Times, duration, stops Total price Price issued (UTC)
2026-12-12 · one way Southwest Airlines WN3737 17:40:00→20:45:00 3h 05m nonstop Axel-exclusive $139.00 2026-10-29T01:10:14Z
2026-12-12 · one way Delta Air Lines DL2530 07:36:00→10:55:00 3h 19m nonstop Axel-exclusive $149.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-13 Southwest Airlines WN3737 / WN3158 17:40:00→20:45:00 3h 05m nonstop · 07:55:00→10:40:00 2h 45m nonstop Axel-exclusive $269.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-13 Alaska Airlines AS574 / AS621 18:27:00→21:44:00 3h 17m nonstop · 12:18:00→15:10:00 2h 52m nonstop Axel-exclusive $279.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-14 Alaska Airlines AS574 / AS791 18:27:00→21:44:00 3h 17m nonstop · 17:51:00→20:41:00 2h 50m nonstop Axel-exclusive $279.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-14 Southwest Airlines WN3737 / WN2179 + WN429 17:40:00→20:45:00 3h 05m nonstop · 12:35:00→17:45:00 5h 10m 1 stop via SJC Axel-exclusive $259.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-15 Southwest Airlines WN3737 / WN2888 17:40:00→20:45:00 3h 05m nonstop · 07:00:00→09:40:00 2h 40m nonstop Axel-exclusive $269.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-15 Alaska Airlines AS574 / AS791 18:27:00→21:44:00 3h 17m nonstop · 17:51:00→20:41:00 2h 50m nonstop Axel-exclusive $279.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-16 Southwest Airlines WN3737 / WN2888 17:40:00→20:45:00 3h 05m nonstop · 07:00:00→09:40:00 2h 40m nonstop Axel-exclusive $269.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-16 Alaska Airlines AS574 / AS621 18:27:00→21:44:00 3h 17m nonstop · 12:18:00→15:10:00 2h 52m nonstop Axel-exclusive $279.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-17 Southwest Airlines WN3737 / WN2888 17:40:00→20:45:00 3h 05m nonstop · 07:00:00→09:40:00 2h 40m nonstop Axel-exclusive $269.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-17 Alaska Airlines AS574 / AS621 18:27:00→21:44:00 3h 17m nonstop · 13:00:00→15:50:00 2h 50m nonstop Axel-exclusive $279.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-18 Southwest Airlines WN3737 / WN3158 17:40:00→20:45:00 3h 05m nonstop · 07:55:00→10:40:00 2h 45m nonstop Axel-exclusive $269.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-18 Alaska Airlines AS574 / AS623 18:27:00→21:44:00 3h 17m nonstop · 20:09:00→22:59:00 2h 50m nonstop Axel-exclusive $279.00 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-19 Southwest Airlines WN3737 / WN1791 17:40:00→20:45:00 3h 05m nonstop · 08:00:00→10:45:00 2h 45m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-19 Alaska Airlines AS574 / AS1544 18:27:00→21:44:00 3h 17m nonstop · 20:09:00→23:04:00 2h 55m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-20 Southwest Airlines WN3737 / WN3158 17:40:00→20:45:00 3h 05m nonstop · 07:55:00→10:40:00 2h 45m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-20 Alaska Airlines AS574 / AS791 18:27:00→21:44:00 3h 17m nonstop · 17:51:00→20:41:00 2h 50m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-21 Alaska Airlines AS574 / AS791 18:27:00→21:44:00 3h 17m nonstop · 17:51:00→20:41:00 2h 50m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-21 Southwest Airlines WN3737 / WN2179 + WN429 17:40:00→20:45:00 3h 05m nonstop · 12:35:00→17:45:00 5h 10m 1 stop via SJC Axel-exclusive $308.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-22 Southwest Airlines WN3737 / WN2888 17:40:00→20:45:00 3h 05m nonstop · 07:00:00→09:40:00 2h 40m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-22 Alaska Airlines AS574 / AS1544 18:27:00→21:44:00 3h 17m nonstop · 20:09:00→23:04:00 2h 55m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-23 Southwest Airlines WN3737 / WN1791 17:40:00→20:45:00 3h 05m nonstop · 08:00:00→10:45:00 2h 45m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-23 Alaska Airlines AS574 / AS254 18:27:00→21:44:00 3h 17m nonstop · 21:09:00→23:59:00 2h 50m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-24 Southwest Airlines WN3737 / WN2888 17:40:00→20:45:00 3h 05m nonstop · 07:00:00→09:40:00 2h 40m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-24 Alaska Airlines AS574 / AS621 18:27:00→21:44:00 3h 17m nonstop · 13:00:00→15:50:00 2h 50m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-25 Southwest Airlines WN3737 / WN3158 17:40:00→20:45:00 3h 05m nonstop · 07:55:00→10:40:00 2h 45m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-25 Alaska Airlines AS574 / AS623 18:27:00→21:44:00 3h 17m nonstop · 20:09:00→22:59:00 2h 50m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-26 Southwest Airlines WN3737 / WN1791 17:40:00→20:45:00 3h 05m nonstop · 08:00:00→10:45:00 2h 45m nonstop Axel-exclusive $322.80 2026-10-29T01:10:14Z
2026-12-12 → 2026-12-26 Alaska Airlines AS574 / AS1544 18:27:00→21:44:00 3h 17m nonstop · 20:09:00→23:04:00 2h 55m nonstop Axel-exclusive $334.80 2026-10-29T01:10:14Z

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 lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Seattle

Route overview: San Diego to Seattle (SEA) flight deals

2026-12-12 · one way · Axel-exclusive $139.00

2026-12-12 · one way · Axel-exclusive $149.00

2026-12-12 → 2026-12-13 · Axel-exclusive $269.00

2026-12-12 → 2026-12-13 · Axel-exclusive $279.00

2026-12-12 → 2026-12-14 · Axel-exclusive $259.00

2026-12-12 → 2026-12-14 · Axel-exclusive $279.00

2026-12-12 → 2026-12-15 · Axel-exclusive $269.00

2026-12-12 → 2026-12-15 · Axel-exclusive $279.00

2026-12-12 → 2026-12-16 · Axel-exclusive $269.00

2026-12-12 → 2026-12-16 · Axel-exclusive $279.00

2026-12-12 → 2026-12-18 · Axel-exclusive $269.00

2026-12-12 → 2026-12-18 · Axel-exclusive $279.00

2026-12-12 → 2026-12-19 · Axel-exclusive $322.80

2026-12-12 → 2026-12-19 · Axel-exclusive $334.80

2026-12-12 → 2026-12-20 · Axel-exclusive $322.80

2026-12-12 → 2026-12-20 · Axel-exclusive $334.80

2026-12-12 → 2026-12-22 · Axel-exclusive $322.80

2026-12-12 → 2026-12-22 · Axel-exclusive $334.80

2026-12-12 → 2026-12-23 · Axel-exclusive $322.80

2026-12-12 → 2026-12-23 · Axel-exclusive $334.80

2026-12-12 → 2026-12-24 · Axel-exclusive $322.80

2026-12-12 → 2026-12-24 · Axel-exclusive $334.80

2026-12-12 → 2026-12-26 · Axel-exclusive $322.80

2026-12-12 → 2026-12-26 · Axel-exclusive $334.80

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