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San Jose → Ontario

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SJC → ONT1 adulteconomy

6 flight options · 1 airline

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
11:20 amSJC
1h 20m
Nonstop
12:40 pmONT
Southwest Airlines
3:55 pmONT
1h 20m
Nonstop
5:15 pmSJC

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
11:20 amSJC
1h 20m
Nonstop
12:40 pmONT
Southwest Airlines
3:05 pmONT
1h 15m
Nonstop
4:20 pmSJC

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
7:10 pmSJC
4h 45m
LAS · 2h 20m
11:55 pmONT
Southwest Airlines
3:55 pmONT
1h 20m
Nonstop
5:15 pmSJC

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
7:10 pmSJC
4h 45m
LAS · 2h 20m
11:55 pmONT
Southwest Airlines
3:05 pmONT
1h 15m
Nonstop
4:20 pmSJC

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Southwest Airlines
11:20 amSJC
1h 20m
Nonstop
12:40 pmONT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
7:10 pmSJC
4h 45m
LAS · 2h 20m
11:55 pmONT

One-way total · 1 adult · Taxes included

Make this trip yours

SJC ⇄ ONT

Economy

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

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  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 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)
2026-11-20 · one waySouthwest AirlinesWN1383$105.002026-10-29T01:22:11Z
2026-11-20 → 2026-11-23Southwest AirlinesWN1383 / WN1005$200.002026-10-29T01:22:11Z
2026-11-27 → 2026-12-04Southwest AirlinesWN1383 / WN174$235.002026-10-29T01:22:11Z
2026-11-20 · one waySouthwest AirlinesWN2120 + WN2405$125.002026-10-29T01:22:11Z
2026-11-20 → 2026-11-23Southwest AirlinesWN2120 + WN2405 / WN1005$220.002026-10-29T01:22:11Z
2026-11-27 → 2026-12-04Southwest AirlinesWN2120 + WN2405 / WN174$262.002026-10-29T01:22:11Z

2026-11-20 · one way · $105.00

  • Southwest Airlines WN1383: SJC 2026-11-20 11:20:00 → ONT 2026-11-20 12:40:00; nonstop; 80 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $200.00

  • Southwest Airlines WN1383: SJC 2026-11-20 11:20:00 → ONT 2026-11-20 12:40:00; nonstop; 80 minutes. Local airport times.
  • Southwest Airlines WN1005: ONT 2026-11-23 15:55:00 → SJC 2026-11-23 17:15:00; nonstop; 80 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $235.00

  • Southwest Airlines WN1383: SJC 2026-11-27 11:20:00 → ONT 2026-11-27 12:40:00; nonstop; 80 minutes. Local airport times.
  • Southwest Airlines WN174: ONT 2026-12-04 15:05:00 → SJC 2026-12-04 16:20:00; nonstop; 75 minutes. Local airport times.

2026-11-20 · one way · $125.00

  • Southwest Airlines WN2120 / WN2405: SJC 2026-11-20 19:10:00 → ONT 2026-11-20 23:55:00; 1 stop(s) via LAS; 285 minutes. Local airport times.
    • WN2120: SJC 2026-11-20 19:10:00 → LAS 2026-11-20 20:35:00; layover at LAS: 140 minutes.
    • WN2405: LAS 2026-11-20 22:55:00 → ONT 2026-11-20 23:55:00.

2026-11-20 → 2026-11-23 · $220.00

  • Southwest Airlines WN2120 / WN2405: SJC 2026-11-20 19:10:00 → ONT 2026-11-20 23:55:00; 1 stop(s) via LAS; 285 minutes. Local airport times.
    • WN2120: SJC 2026-11-20 19:10:00 → LAS 2026-11-20 20:35:00; layover at LAS: 140 minutes.
    • WN2405: LAS 2026-11-20 22:55:00 → ONT 2026-11-20 23:55:00.
  • Southwest Airlines WN1005: ONT 2026-11-23 15:55:00 → SJC 2026-11-23 17:15:00; nonstop; 80 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $262.00

  • Southwest Airlines WN2120 / WN2405: SJC 2026-11-27 19:10:00 → ONT 2026-11-27 23:55:00; 1 stop(s) via LAS; 285 minutes. Local airport times.
    • WN2120: SJC 2026-11-27 19:10:00 → LAS 2026-11-27 20:35:00; layover at LAS: 140 minutes.
    • WN2405: LAS 2026-11-27 22:55:00 → ONT 2026-11-27 23:55:00.
  • Southwest Airlines WN174: ONT 2026-12-04 15:05:00 → SJC 2026-12-04 16:20:00; nonstop; 75 minutes. Local airport times.

More dates for this route