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Chicago → Seattle

Dec 21, 2026 · return Dec 28, 2026

MDW → SEA1 adulteconomyRound trip

8 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
10:10 amMDW
4h 40m
Nonstop
12:50 pmSEA
Southwest Airlines
12:15 amSEA
3h 50m
Nonstop
6:05 amMDW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
10:30 pmMDW
4h 50m
Nonstop
1:20 am+1SEA
Southwest Airlines
12:15 amSEA
3h 50m
Nonstop
6:05 amMDW

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Dec 28

Delta Air Lines
10:24 amMDW
8h 29m
MSP · 2h 50m
4:53 pmSEA
Delta Air Lines
8:30 amSEA
6h 9m
MSP · 1h 12m
4:39 pmMDW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
10:50 amMDW
9h
DEN · 3h 10m
5:50 pmSEA
Southwest Airlines
12:15 amSEA
3h 50m
Nonstop
6:05 amMDW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
5:50 amMDW
9h 10m
LAS · 2h 15m
1:00 pmSEA
Southwest Airlines
12:15 amSEA
3h 50m
Nonstop
6:05 amMDW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
6:00 amMDW
9h
SAN · 1h 15m
1:00 pmSEA
Southwest Airlines
12:15 amSEA
3h 50m
Nonstop
6:05 amMDW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
6:05 pmMDW
8h 55m
PHX · 1h 45m
1:00 am+1SEA
Southwest Airlines
12:15 amSEA
3h 50m
Nonstop
6:05 amMDW

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Delta Air Lines
9:30 amMDW
7h 25m
DTW · 1h 8m
2:55 pmSEA
Delta Air Lines
8:30 amSEA
6h 9m
MSP · 1h 12m
4:39 pmMDW

Round-trip total · 1 adult · Taxes included

Make this trip yours

MDW ⇄ SEA

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 → 2026-12-28Southwest AirlinesWN1597 / WN4975$369.752026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Delta Air LinesDL5469 + DL877 / DL536 + DL4714$420.752026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Southwest AirlinesWN3032 / WN4975$369.752026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Southwest AirlinesWN120 + WN244 / WN4975$360.002026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Southwest AirlinesWN2691 + WN948 / WN4975$360.002026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Southwest AirlinesWN3020 + WN547 / WN4975$360.002026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Southwest AirlinesWN2998 + WN2455 / WN4975$360.002026-10-29T01:29:13Z
2026-12-21 → 2026-12-28Delta Air LinesDL4711 + DL728 / DL536 + DL4714$420.752026-10-29T01:29:13Z

2026-12-21 → 2026-12-28 · $369.75

  • Southwest Airlines WN1597: MDW 2026-12-21 10:10:00 → SEA 2026-12-21 12:50:00; nonstop; 280 minutes. Local airport times.
  • Southwest Airlines WN4975: SEA 2026-12-28 00:15:00 → MDW 2026-12-28 06:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $420.75

  • Delta Air Lines DL5469 / DL877: MDW 2026-12-21 10:24:00 → SEA 2026-12-21 16:53:00; 1 stop(s) via MSP; 509 minutes. Local airport times.
    • DL5469: MDW 2026-12-21 10:24:00 → MSP 2026-12-21 12:09:00; layover at MSP: 170 minutes.
    • DL877: MSP 2026-12-21 14:59:00 → SEA 2026-12-21 16:53:00.
  • Delta Air Lines DL536 / DL4714: SEA 2026-12-28 08:30:00 → MDW 2026-12-28 16:39:00; 1 stop(s) via MSP; 369 minutes. Local airport times.
    • DL536: SEA 2026-12-28 08:30:00 → MSP 2026-12-28 13:48:00; layover at MSP: 72 minutes.
    • DL4714: MSP 2026-12-28 15:00:00 → MDW 2026-12-28 16:39:00.

2026-12-21 → 2026-12-28 · $369.75

  • Southwest Airlines WN3032: MDW 2026-12-21 22:30:00 → SEA 2026-12-22 01:20:00; nonstop; 290 minutes. Local airport times.
  • Southwest Airlines WN4975: SEA 2026-12-28 00:15:00 → MDW 2026-12-28 06:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $360.00

  • Southwest Airlines WN120 / WN244: MDW 2026-12-21 10:50:00 → SEA 2026-12-21 17:50:00; 1 stop(s) via DEN; 540 minutes. Local airport times.
    • WN120: MDW 2026-12-21 10:50:00 → DEN 2026-12-21 12:30:00; layover at DEN: 190 minutes.
    • WN244: DEN 2026-12-21 15:40:00 → SEA 2026-12-21 17:50:00.
  • Southwest Airlines WN4975: SEA 2026-12-28 00:15:00 → MDW 2026-12-28 06:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $360.00

  • Southwest Airlines WN2691 / WN948: MDW 2026-12-21 05:50:00 → SEA 2026-12-21 13:00:00; 1 stop(s) via LAS; 550 minutes. Local airport times.
    • WN2691: MDW 2026-12-21 05:50:00 → LAS 2026-12-21 07:45:00; layover at LAS: 135 minutes.
    • WN948: LAS 2026-12-21 10:00:00 → SEA 2026-12-21 13:00:00.
  • Southwest Airlines WN4975: SEA 2026-12-28 00:15:00 → MDW 2026-12-28 06:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $360.00

  • Southwest Airlines WN3020 / WN547: MDW 2026-12-21 06:00:00 → SEA 2026-12-21 13:00:00; 1 stop(s) via SAN; 540 minutes. Local airport times.
    • WN3020: MDW 2026-12-21 06:00:00 → SAN 2026-12-21 08:30:00; layover at SAN: 75 minutes.
    • WN547: SAN 2026-12-21 09:45:00 → SEA 2026-12-21 13:00:00.
  • Southwest Airlines WN4975: SEA 2026-12-28 00:15:00 → MDW 2026-12-28 06:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $360.00

  • Southwest Airlines WN2998 / WN2455: MDW 2026-12-21 18:05:00 → SEA 2026-12-22 01:00:00; 1 stop(s) via PHX; 535 minutes. Local airport times.
    • WN2998: MDW 2026-12-21 18:05:00 → PHX 2026-12-21 21:00:00; layover at PHX: 105 minutes.
    • WN2455: PHX 2026-12-21 22:45:00 → SEA 2026-12-22 01:00:00.
  • Southwest Airlines WN4975: SEA 2026-12-28 00:15:00 → MDW 2026-12-28 06:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $420.75

  • Delta Air Lines DL4711 / DL728: MDW 2026-12-21 09:30:00 → SEA 2026-12-21 14:55:00; 1 stop(s) via DTW; 445 minutes. Local airport times.
    • DL4711: MDW 2026-12-21 09:30:00 → DTW 2026-12-21 11:45:00; layover at DTW: 68 minutes.
    • DL728: DTW 2026-12-21 12:53:00 → SEA 2026-12-21 14:55:00.
  • Delta Air Lines DL536 / DL4714: SEA 2026-12-28 08:30:00 → MDW 2026-12-28 16:39:00; 1 stop(s) via MSP; 369 minutes. Local airport times.
    • DL536: SEA 2026-12-28 08:30:00 → MSP 2026-12-28 13:48:00; layover at MSP: 72 minutes.
    • DL4714: MSP 2026-12-28 15:00:00 → MDW 2026-12-28 16:39:00.

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