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Ontario → Chicago

Dec 8, 2026 · return Dec 22, 2026

ONT → MDW1 adulteconomyRound trip

6 flight options · 2 airlines

One-stop flights

Tue, Dec 8 – Tue, Dec 22

Southwest Airlines
7:50 amONT
7h 30m
AUS · 2h 15m
5:20 pmMDW
Southwest Airlines
9:55 amMDW
7h 15m
BNA · 1h 10m
3:10 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

Delta Air Lines
7:05 amONT
7h 13m
ATL · 1h 15m
4:18 pmMDW
Southwest Airlines
9:55 amMDW
7h 15m
BNA · 1h 10m
3:10 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

Southwest Airlines
3:50 pmONT
7h 45m
PHX · 3h 15m
1:35 am+1MDW
Southwest Airlines
9:55 amMDW
7h 15m
BNA · 1h 10m
3:10 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

Southwest Airlines
8:40 amONT
6h 45m
LAS · 2h 10m
5:25 pmMDW
Southwest Airlines
9:55 amMDW
7h 15m
BNA · 1h 10m
3:10 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

Southwest Airlines
8:45 amONT
7h 10m
DEN · 2h 45m
5:55 pmMDW
Southwest Airlines
9:55 amMDW
7h 15m
BNA · 1h 10m
3:10 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

Southwest Airlines
11:55 pmONT
3h 45m
Nonstop
5:40 am+1MDW
Southwest Airlines
9:55 amMDW
7h 15m
BNA · 1h 10m
3:10 pmONT

Round-trip total · 1 adult · Taxes included

Make this trip yours

ONT ⇄ MDW

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)
2026-12-08 → 2026-12-22Southwest AirlinesWN3298 + WN295 / WN725 + WN2045$350.752026-10-29T01:52:32Z
2026-12-08 → 2026-12-22Delta Air Lines / Southwest AirlinesDL409 + DL1728 / WN725 + WN2045$380.752026-10-29T01:52:32Z
2026-12-08 → 2026-12-22Southwest AirlinesWN3224 + WN2674 / WN725 + WN2045$350.752026-10-29T01:52:32Z
2026-12-08 → 2026-12-22Southwest AirlinesWN1903 + WN887 / WN725 + WN2045$350.752026-10-29T01:52:32Z
2026-12-08 → 2026-12-22Southwest AirlinesWN3301 + WN1699 / WN725 + WN2045$350.752026-10-29T01:52:32Z
2026-12-08 → 2026-12-22Southwest AirlinesWN4067 / WN725 + WN2045$365.752026-10-29T01:52:32Z

2026-12-08 → 2026-12-22 · $350.75

  • Southwest Airlines WN3298 / WN295: ONT 2026-12-08 07:50:00 → MDW 2026-12-08 17:20:00; 1 stop(s) via AUS; 450 minutes. Local airport times.
    • WN3298: ONT 2026-12-08 07:50:00 → AUS 2026-12-08 12:35:00; layover at AUS: 135 minutes.
    • WN295: AUS 2026-12-08 14:50:00 → MDW 2026-12-08 17:20:00.
  • Southwest Airlines WN725 / WN2045: MDW 2026-12-22 09:55:00 → ONT 2026-12-22 15:10:00; 1 stop(s) via BNA; 435 minutes. Local airport times.
    • WN725: MDW 2026-12-22 09:55:00 → BNA 2026-12-22 11:30:00; layover at BNA: 70 minutes.
    • WN2045: BNA 2026-12-22 12:40:00 → ONT 2026-12-22 15:10:00.

2026-12-08 → 2026-12-22 · $380.75

  • Delta Air Lines DL409 / DL1728: ONT 2026-12-08 07:05:00 → MDW 2026-12-08 16:18:00; 1 stop(s) via ATL; 433 minutes. Local airport times.
    • DL409: ONT 2026-12-08 07:05:00 → ATL 2026-12-08 14:10:00; layover at ATL: 75 minutes.
    • DL1728: ATL 2026-12-08 15:25:00 → MDW 2026-12-08 16:18:00.
  • Southwest Airlines WN725 / WN2045: MDW 2026-12-22 09:55:00 → ONT 2026-12-22 15:10:00; 1 stop(s) via BNA; 435 minutes. Local airport times.
    • WN725: MDW 2026-12-22 09:55:00 → BNA 2026-12-22 11:30:00; layover at BNA: 70 minutes.
    • WN2045: BNA 2026-12-22 12:40:00 → ONT 2026-12-22 15:10:00.

2026-12-08 → 2026-12-22 · $350.75

  • Southwest Airlines WN3224 / WN2674: ONT 2026-12-08 15:50:00 → MDW 2026-12-09 01:35:00; 1 stop(s) via PHX; 465 minutes. Local airport times.
    • WN3224: ONT 2026-12-08 15:50:00 → PHX 2026-12-08 18:10:00; layover at PHX: 195 minutes.
    • WN2674: PHX 2026-12-08 21:25:00 → MDW 2026-12-09 01:35:00.
  • Southwest Airlines WN725 / WN2045: MDW 2026-12-22 09:55:00 → ONT 2026-12-22 15:10:00; 1 stop(s) via BNA; 435 minutes. Local airport times.
    • WN725: MDW 2026-12-22 09:55:00 → BNA 2026-12-22 11:30:00; layover at BNA: 70 minutes.
    • WN2045: BNA 2026-12-22 12:40:00 → ONT 2026-12-22 15:10:00.

2026-12-08 → 2026-12-22 · $350.75

  • Southwest Airlines WN1903 / WN887: ONT 2026-12-08 08:40:00 → MDW 2026-12-08 17:25:00; 1 stop(s) via LAS; 405 minutes. Local airport times.
    • WN1903: ONT 2026-12-08 08:40:00 → LAS 2026-12-08 09:40:00; layover at LAS: 130 minutes.
    • WN887: LAS 2026-12-08 11:50:00 → MDW 2026-12-08 17:25:00.
  • Southwest Airlines WN725 / WN2045: MDW 2026-12-22 09:55:00 → ONT 2026-12-22 15:10:00; 1 stop(s) via BNA; 435 minutes. Local airport times.
    • WN725: MDW 2026-12-22 09:55:00 → BNA 2026-12-22 11:30:00; layover at BNA: 70 minutes.
    • WN2045: BNA 2026-12-22 12:40:00 → ONT 2026-12-22 15:10:00.

2026-12-08 → 2026-12-22 · $350.75

  • Southwest Airlines WN3301 / WN1699: ONT 2026-12-08 08:45:00 → MDW 2026-12-08 17:55:00; 1 stop(s) via DEN; 430 minutes. Local airport times.
    • WN3301: ONT 2026-12-08 08:45:00 → DEN 2026-12-08 11:55:00; layover at DEN: 165 minutes.
    • WN1699: DEN 2026-12-08 14:40:00 → MDW 2026-12-08 17:55:00.
  • Southwest Airlines WN725 / WN2045: MDW 2026-12-22 09:55:00 → ONT 2026-12-22 15:10:00; 1 stop(s) via BNA; 435 minutes. Local airport times.
    • WN725: MDW 2026-12-22 09:55:00 → BNA 2026-12-22 11:30:00; layover at BNA: 70 minutes.
    • WN2045: BNA 2026-12-22 12:40:00 → ONT 2026-12-22 15:10:00.

2026-12-08 → 2026-12-22 · $365.75

  • Southwest Airlines WN4067: ONT 2026-12-08 23:55:00 → MDW 2026-12-09 05:40:00; nonstop; 225 minutes. Local airport times.
  • Southwest Airlines WN725 / WN2045: MDW 2026-12-22 09:55:00 → ONT 2026-12-22 15:10:00; 1 stop(s) via BNA; 435 minutes. Local airport times.
    • WN725: MDW 2026-12-22 09:55:00 → BNA 2026-12-22 11:30:00; layover at BNA: 70 minutes.
    • WN2045: BNA 2026-12-22 12:40:00 → ONT 2026-12-22 15:10:00.

More dates for this route