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Portland → Ontario

Dec 21, 2026 · return Jan 4, 2027

PDX → ONT1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

Frontier Airlines
12:52 pmPDX
2h 26m
Nonstop
3:18 pmONT
Frontier Airlines
9:25 amONT
2h 32m
Nonstop
11:57 amPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Alaska Airlines
7:30 amPDX
2h 22m
Nonstop
9:52 amONT
Alaska Airlines
10:40 amONT
2h 25m
Nonstop
1:05 pmPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Alaska Airlines
5:40 pmPDX
2h 26m
Nonstop
8:06 pmONT
Alaska Airlines
10:40 amONT
2h 25m
Nonstop
1:05 pmPDX

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

Southwest Airlines
11:20 amPDX
4h 55m
OAK · 1h 55m
4:15 pmONT
Southwest Airlines
3:05 pmONT
4h 15m
SJC · 1h 5m
7:20 pmPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
2:04 pmPDX
5h 17m
PHX · 1h 20m
7:21 pmONT
Alaska Airlines
10:40 amONT
2h 25m
Nonstop
1:05 pmPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Frontier Airlines
12:51 pmPDX
5h 40m
LAS · 2h 21m
6:31 pmONT
Frontier Airlines
9:25 amONT
2h 32m
Nonstop
11:57 amPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Alaska Airlines
5:30 amPDX
5h 48m
SEA · 2h 3m
11:18 amONT
Alaska Airlines
10:40 amONT
2h 25m
Nonstop
1:05 pmPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Southwest Airlines
7:30 amPDX
5h 10m
SJC · 2h
12:40 pmONT
Southwest Airlines
3:05 pmONT
4h 15m
SJC · 1h 5m
7:20 pmPDX

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Southwest Airlines
6:00 amPDX
4h 40m
LAS · 1h 25m
10:40 amONT
Southwest Airlines
3:05 pmONT
4h 15m
SJC · 1h 5m
7:20 pmPDX

Round-trip total · 1 adult · Taxes included

Make this trip yours

PDX ⇄ ONT

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2027-01-04Frontier AirlinesF92914 / F92913$170.202026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Alaska AirlinesAS3312 / AS3312$296.702026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Southwest AirlinesWN1593 + WN1053 / WN174 + WN930$319.702026-10-29T01:55:18Z
2026-12-21 → 2027-01-04American Airlines / Alaska AirlinesAA2660 + AA1666 / AS3312$322.702026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Alaska AirlinesAS2256 / AS3312$296.702026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Frontier AirlinesF91106 + F91923 / F92913$209.202026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Alaska AirlinesAS427 + AS575 / AS3312$309.702026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Southwest AirlinesWN510 + WN1383 / WN174 + WN930$319.702026-10-29T01:55:18Z
2026-12-21 → 2027-01-04Southwest AirlinesWN2101 + WN2401 / WN174 + WN930$319.702026-10-29T01:55:18Z

2026-12-21 → 2027-01-04 · $170.20

  • Frontier Airlines F92914: PDX 2026-12-21 12:52:00 → ONT 2026-12-21 15:18:00; nonstop; 146 minutes. Local airport times.
  • Frontier Airlines F92913: ONT 2027-01-04 09:25:00 → PDX 2027-01-04 11:57:00; nonstop; 152 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $296.70

  • Alaska Airlines AS3312: PDX 2026-12-21 07:30:00 → ONT 2026-12-21 09:52:00; nonstop; 142 minutes. Local airport times.
  • Alaska Airlines AS3312: ONT 2027-01-04 10:40:00 → PDX 2027-01-04 13:05:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $319.70

  • Southwest Airlines WN1593 / WN1053: PDX 2026-12-21 11:20:00 → ONT 2026-12-21 16:15:00; 1 stop(s) via OAK; 295 minutes. Local airport times.
    • WN1593: PDX 2026-12-21 11:20:00 → OAK 2026-12-21 13:05:00; layover at OAK: 115 minutes.
    • WN1053: OAK 2026-12-21 15:00:00 → ONT 2026-12-21 16:15:00.
  • Southwest Airlines WN174 / WN930: ONT 2027-01-04 15:05:00 → PDX 2027-01-04 19:20:00; 1 stop(s) via SJC; 255 minutes. Local airport times.
    • WN174: ONT 2027-01-04 15:05:00 → SJC 2027-01-04 16:20:00; layover at SJC: 65 minutes.
    • WN930: SJC 2027-01-04 17:25:00 → PDX 2027-01-04 19:20:00.

2026-12-21 → 2027-01-04 · $322.70

  • American Airlines AA2660 / AA1666: PDX 2026-12-21 14:04:00 → ONT 2026-12-21 19:21:00; 1 stop(s) via PHX; 317 minutes. Local airport times.
    • AA2660: PDX 2026-12-21 14:04:00 → PHX 2026-12-21 17:38:00; layover at PHX: 80 minutes.
    • AA1666: PHX 2026-12-21 18:58:00 → ONT 2026-12-21 19:21:00.
  • Alaska Airlines AS3312: ONT 2027-01-04 10:40:00 → PDX 2027-01-04 13:05:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $296.70

  • Alaska Airlines AS2256: PDX 2026-12-21 17:40:00 → ONT 2026-12-21 20:06:00; nonstop; 146 minutes. Local airport times.
  • Alaska Airlines AS3312: ONT 2027-01-04 10:40:00 → PDX 2027-01-04 13:05:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $209.20

  • Frontier Airlines F91106 / F91923: PDX 2026-12-21 12:51:00 → ONT 2026-12-21 18:31:00; 1 stop(s) via LAS; 340 minutes. Local airport times.
    • F91106: PDX 2026-12-21 12:51:00 → LAS 2026-12-21 15:04:00; layover at LAS: 141 minutes.
    • F91923: LAS 2026-12-21 17:25:00 → ONT 2026-12-21 18:31:00.
  • Frontier Airlines F92913: ONT 2027-01-04 09:25:00 → PDX 2027-01-04 11:57:00; nonstop; 152 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $309.70

  • Alaska Airlines AS427 / AS575: PDX 2026-12-21 05:30:00 → ONT 2026-12-21 11:18:00; 1 stop(s) via SEA; 348 minutes. Local airport times.
    • AS427: PDX 2026-12-21 05:30:00 → SEA 2026-12-21 06:31:00; layover at SEA: 123 minutes.
    • AS575: SEA 2026-12-21 08:34:00 → ONT 2026-12-21 11:18:00.
  • Alaska Airlines AS3312: ONT 2027-01-04 10:40:00 → PDX 2027-01-04 13:05:00; nonstop; 145 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $319.70

  • Southwest Airlines WN510 / WN1383: PDX 2026-12-21 07:30:00 → ONT 2026-12-21 12:40:00; 1 stop(s) via SJC; 310 minutes. Local airport times.
    • WN510: PDX 2026-12-21 07:30:00 → SJC 2026-12-21 09:20:00; layover at SJC: 120 minutes.
    • WN1383: SJC 2026-12-21 11:20:00 → ONT 2026-12-21 12:40:00.
  • Southwest Airlines WN174 / WN930: ONT 2027-01-04 15:05:00 → PDX 2027-01-04 19:20:00; 1 stop(s) via SJC; 255 minutes. Local airport times.
    • WN174: ONT 2027-01-04 15:05:00 → SJC 2027-01-04 16:20:00; layover at SJC: 65 minutes.
    • WN930: SJC 2027-01-04 17:25:00 → PDX 2027-01-04 19:20:00.

2026-12-21 → 2027-01-04 · $319.70

  • Southwest Airlines WN2101 / WN2401: PDX 2026-12-21 06:00:00 → ONT 2026-12-21 10:40:00; 1 stop(s) via LAS; 280 minutes. Local airport times.
    • WN2101: PDX 2026-12-21 06:00:00 → LAS 2026-12-21 08:10:00; layover at LAS: 85 minutes.
    • WN2401: LAS 2026-12-21 09:35:00 → ONT 2026-12-21 10:40:00.
  • Southwest Airlines WN174 / WN930: ONT 2027-01-04 15:05:00 → PDX 2027-01-04 19:20:00; 1 stop(s) via SJC; 255 minutes. Local airport times.
    • WN174: ONT 2027-01-04 15:05:00 → SJC 2027-01-04 16:20:00; layover at SJC: 65 minutes.
    • WN930: SJC 2027-01-04 17:25:00 → PDX 2027-01-04 19:20:00.

More dates for this route