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Ontario → Chicago

Dec 21, 2026 · one way

ONT → MDW1 adulteconomyOne way

7 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 · One way

Southwest Airlines
11:55 pmONT
3h 45m
Nonstop
5:40 am+1MDW

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

Delta Air Lines
7:05 amONT
7h 13m
ATL · 1h 15m
4:18 pmMDW

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:45 amONT
7h 10m
DEN · 2h 45m
5:55 pmMDW

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
11:25 amONT
7h 40m
BNA · 2h 25m
9:05 pmMDW

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
7:50 amONT
7h 30m
AUS · 2h 15m
5:20 pmMDW

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:40 amONT
6h 45m
LAS · 2h 10m
5:25 pmMDW

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
3:50 pmONT
7h 45m
PHX · 3h 15m
1:35 am+1MDW

One-way 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)
2026-12-21 · one waySouthwest AirlinesWN4067$234.002026-10-29T01:52:32Z
2026-12-21 · one wayDelta Air LinesDL409 + DL1728$253.502026-10-29T01:52:32Z
2026-12-21 · one waySouthwest AirlinesWN3301 + WN1699$208.002026-10-29T01:52:32Z
2026-12-21 · one waySouthwest AirlinesWN1729 + WN651$208.002026-10-29T01:52:32Z
2026-12-21 · one waySouthwest AirlinesWN3298 + WN295$208.002026-10-29T01:52:32Z
2026-12-21 · one waySouthwest AirlinesWN1903 + WN887$208.002026-10-29T01:52:32Z
2026-12-21 · one waySouthwest AirlinesWN3224 + WN2674$208.002026-10-29T01:52:32Z

2026-12-21 · one way · $234.00

  • Southwest Airlines WN4067: ONT 2026-12-21 23:55:00 → MDW 2026-12-22 05:40:00; nonstop; 225 minutes. Local airport times.

2026-12-21 · one way · $253.50

  • Delta Air Lines DL409 / DL1728: ONT 2026-12-21 07:05:00 → MDW 2026-12-21 16:18:00; 1 stop(s) via ATL; 433 minutes. Local airport times.
    • DL409: ONT 2026-12-21 07:05:00 → ATL 2026-12-21 14:10:00; layover at ATL: 75 minutes.
    • DL1728: ATL 2026-12-21 15:25:00 → MDW 2026-12-21 16:18:00.

2026-12-21 · one way · $208.00

  • Southwest Airlines WN3301 / WN1699: ONT 2026-12-21 08:45:00 → MDW 2026-12-21 17:55:00; 1 stop(s) via DEN; 430 minutes. Local airport times.
    • WN3301: ONT 2026-12-21 08:45:00 → DEN 2026-12-21 11:55:00; layover at DEN: 165 minutes.
    • WN1699: DEN 2026-12-21 14:40:00 → MDW 2026-12-21 17:55:00.

2026-12-21 · one way · $208.00

  • Southwest Airlines WN1729 / WN651: ONT 2026-12-21 11:25:00 → MDW 2026-12-21 21:05:00; 1 stop(s) via BNA; 460 minutes. Local airport times.
    • WN1729: ONT 2026-12-21 11:25:00 → BNA 2026-12-21 17:05:00; layover at BNA: 145 minutes.
    • WN651: BNA 2026-12-21 19:30:00 → MDW 2026-12-21 21:05:00.

2026-12-21 · one way · $208.00

  • Southwest Airlines WN3298 / WN295: ONT 2026-12-21 07:50:00 → MDW 2026-12-21 17:20:00; 1 stop(s) via AUS; 450 minutes. Local airport times.
    • WN3298: ONT 2026-12-21 07:50:00 → AUS 2026-12-21 12:35:00; layover at AUS: 135 minutes.
    • WN295: AUS 2026-12-21 14:50:00 → MDW 2026-12-21 17:20:00.

2026-12-21 · one way · $208.00

  • Southwest Airlines WN1903 / WN887: ONT 2026-12-21 08:40:00 → MDW 2026-12-21 17:25:00; 1 stop(s) via LAS; 405 minutes. Local airport times.
    • WN1903: ONT 2026-12-21 08:40:00 → LAS 2026-12-21 09:40:00; layover at LAS: 130 minutes.
    • WN887: LAS 2026-12-21 11:50:00 → MDW 2026-12-21 17:25:00.

2026-12-21 · one way · $208.00

  • Southwest Airlines WN3224 / WN2674: ONT 2026-12-21 15:50:00 → MDW 2026-12-22 01:35:00; 1 stop(s) via PHX; 465 minutes. Local airport times.
    • WN3224: ONT 2026-12-21 15:50:00 → PHX 2026-12-21 18:10:00; layover at PHX: 195 minutes.
    • WN2674: PHX 2026-12-21 21:25:00 → MDW 2026-12-22 01:35:00.

More dates for this route