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Seattle → Chicago

Dec 21, 2026 · return Dec 24, 2026

SEA → ORD1 adulteconomyRound trip

14 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 24

Alaska Airlines
5:51 pmSEA
4h 8m
Nonstop
11:59 pmORD
Alaska Airlines
3:19 pmORD
4h 52m
Nonstop
6:11 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
5:39 pmSEA
4h 6m
Nonstop
11:45 pmORD
American Airlines
12:54 pmORD
5h 4m
Nonstop
3:58 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Delta Air Lines
5:55 pmSEA
4h 4m
Nonstop
11:59 pmORD
Delta Air Lines
12:58 pmORD
4h 33m
Nonstop
3:31 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
10:55 amSEA
4h 10m
Nonstop
5:05 pmORD
United Airlines
7:55 pmORD
4h 48m
Nonstop
10:43 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Alaska Airlines
11:40 pmSEA
3h 57m
Nonstop
5:37 am+1ORD
Alaska Airlines
3:19 pmORD
4h 52m
Nonstop
6:11 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
11:36 pmSEA
4h 6m
Nonstop
5:42 am+1ORD
American Airlines
12:54 pmORD
5h 4m
Nonstop
3:58 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Delta Air Lines
10:39 amSEA
4h 8m
Nonstop
4:47 pmORD
Delta Air Lines
12:58 pmORD
4h 33m
Nonstop
3:31 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
11:44 pmSEA
4h 14m
Nonstop
5:58 am+1ORD
United Airlines
7:55 pmORD
4h 48m
Nonstop
10:43 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 24

Alaska Airlines
9:50 amSEA
6h 27m
BOI · 1h 18m
6:17 pmORD
Alaska Airlines
3:19 pmORD
4h 52m
Nonstop
6:11 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Alaska Airlines
9:50 amSEA
6h 27m
MSO · 1h 20m
6:17 pmORD
Alaska Airlines
3:19 pmORD
4h 52m
Nonstop
6:11 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Delta Air Lines
1:25 pmSEA
7h 2m
SLC · 1h 49m
10:27 pmORD
Delta Air Lines
12:58 pmORD
4h 33m
Nonstop
3:31 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
10:48 amSEA
4h 5m
Nonstop
4:53 pmORD
United Airlines
8:58 amORD
7h 34m
YVR · 1h 45m
2:32 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
5:00 amSEA
6h 35m
DEN · 1h 14m
1:35 pmORD
United Airlines
7:55 pmORD
4h 48m
Nonstop
10:43 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Delta Air Lines
8:30 amSEA
6h 11m
MSP · 1h 13m
4:41 pmORD
Delta Air Lines
12:58 pmORD
4h 33m
Nonstop
3:31 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ ORD

Economy

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

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska 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.
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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

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 → 2026-12-24Alaska AirlinesAS538 / AS407$476.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24American AirlinesAA3113 / AA3113$490.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Delta Air LinesDL2108 / DL1564$504.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24United AirlinesUA747 / UA2211$504.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Alaska AirlinesAS328 / AS407$476.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24American AirlinesAA294 / AA3113$490.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Delta Air LinesDL637 / DL1564$504.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24United AirlinesUA2159 / UA2211$504.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Alaska AirlinesAS3087 + AA2036 / AS407$483.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Alaska AirlinesAS3128 + AA4189 / AS407$483.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Delta Air LinesDL1120 + DL2413 / DL1564$490.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24United AirlinesUA747 / UA1498 + AC8804$490.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24United AirlinesUA2601 + UA2329 / UA2211$490.002026-10-29T01:16:04Z
2026-12-21 → 2026-12-24Delta Air LinesDL536 + DL1471 / DL1564$490.002026-10-29T01:16:04Z

2026-12-21 → 2026-12-24 · $476.00

  • Alaska Airlines AS538: SEA 2026-12-21 17:51:00 → ORD 2026-12-21 23:59:00; nonstop; 248 minutes. Local airport times.
  • Alaska Airlines AS407: ORD 2026-12-24 15:19:00 → SEA 2026-12-24 18:11:00; nonstop; 292 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $490.00

  • American Airlines AA3113: SEA 2026-12-21 17:39:00 → ORD 2026-12-21 23:45:00; nonstop; 246 minutes. Local airport times.
  • American Airlines AA3113: ORD 2026-12-24 12:54:00 → SEA 2026-12-24 15:58:00; nonstop; 304 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $504.00

  • Delta Air Lines DL2108: SEA 2026-12-21 17:55:00 → ORD 2026-12-21 23:59:00; nonstop; 244 minutes. Local airport times.
  • Delta Air Lines DL1564: ORD 2026-12-24 12:58:00 → SEA 2026-12-24 15:31:00; nonstop; 273 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $504.00

  • United Airlines UA747: SEA 2026-12-21 10:55:00 → ORD 2026-12-21 17:05:00; nonstop; 250 minutes. Local airport times.
  • United Airlines UA2211: ORD 2026-12-24 19:55:00 → SEA 2026-12-24 22:43:00; nonstop; 288 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $476.00

  • Alaska Airlines AS328: SEA 2026-12-21 23:40:00 → ORD 2026-12-22 05:37:00; nonstop; 237 minutes. Local airport times.
  • Alaska Airlines AS407: ORD 2026-12-24 15:19:00 → SEA 2026-12-24 18:11:00; nonstop; 292 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $490.00

  • American Airlines AA294: SEA 2026-12-21 23:36:00 → ORD 2026-12-22 05:42:00; nonstop; 246 minutes. Local airport times.
  • American Airlines AA3113: ORD 2026-12-24 12:54:00 → SEA 2026-12-24 15:58:00; nonstop; 304 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $504.00

  • Delta Air Lines DL637: SEA 2026-12-21 10:39:00 → ORD 2026-12-21 16:47:00; nonstop; 248 minutes. Local airport times.
  • Delta Air Lines DL1564: ORD 2026-12-24 12:58:00 → SEA 2026-12-24 15:31:00; nonstop; 273 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $504.00

  • United Airlines UA2159: SEA 2026-12-21 23:44:00 → ORD 2026-12-22 05:58:00; nonstop; 254 minutes. Local airport times.
  • United Airlines UA2211: ORD 2026-12-24 19:55:00 → SEA 2026-12-24 22:43:00; nonstop; 288 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $483.00

  • Alaska Airlines AS3087 / AA2036: SEA 2026-12-21 09:50:00 → ORD 2026-12-21 18:17:00; 1 stop(s) via BOI; 387 minutes. Local airport times.
    • AS3087: SEA 2026-12-21 09:50:00 → BOI 2026-12-21 12:21:00; layover at BOI: 78 minutes.
    • AA2036: BOI 2026-12-21 13:39:00 → ORD 2026-12-21 18:17:00.
  • Alaska Airlines AS407: ORD 2026-12-24 15:19:00 → SEA 2026-12-24 18:11:00; nonstop; 292 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $483.00

  • Alaska Airlines AS3128 / AA4189: SEA 2026-12-21 09:50:00 → ORD 2026-12-21 18:17:00; 1 stop(s) via MSO; 387 minutes. Local airport times.
    • AS3128: SEA 2026-12-21 09:50:00 → MSO 2026-12-21 12:22:00; layover at MSO: 80 minutes.
    • AA4189: MSO 2026-12-21 13:42:00 → ORD 2026-12-21 18:17:00.
  • Alaska Airlines AS407: ORD 2026-12-24 15:19:00 → SEA 2026-12-24 18:11:00; nonstop; 292 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $490.00

  • Delta Air Lines DL1120 / DL2413: SEA 2026-12-21 13:25:00 → ORD 2026-12-21 22:27:00; 1 stop(s) via SLC; 422 minutes. Local airport times.
    • DL1120: SEA 2026-12-21 13:25:00 → SLC 2026-12-21 16:26:00; layover at SLC: 109 minutes.
    • DL2413: SLC 2026-12-21 18:15:00 → ORD 2026-12-21 22:27:00.
  • Delta Air Lines DL1564: ORD 2026-12-24 12:58:00 → SEA 2026-12-24 15:31:00; nonstop; 273 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $490.00

  • United Airlines UA747: SEA 2026-12-21 10:48:00 → ORD 2026-12-21 16:53:00; nonstop; 245 minutes. Local airport times.
  • United Airlines UA1498 / AC8804: ORD 2026-12-24 08:58:00 → SEA 2026-12-24 14:32:00; 1 stop(s) via YVR; 454 minutes. Local airport times.
    • UA1498: ORD 2026-12-24 08:58:00 → YVR 2026-12-24 12:45:00; layover at YVR: 105 minutes.
    • AC8804: YVR 2026-12-24 14:30:00 → SEA 2026-12-24 14:32:00.

2026-12-21 → 2026-12-24 · $490.00

  • United Airlines UA2601 / UA2329: SEA 2026-12-21 05:00:00 → ORD 2026-12-21 13:35:00; 1 stop(s) via DEN; 395 minutes. Local airport times.
    • UA2601: SEA 2026-12-21 05:00:00 → DEN 2026-12-21 08:41:00; layover at DEN: 74 minutes.
    • UA2329: DEN 2026-12-21 09:55:00 → ORD 2026-12-21 13:35:00.
  • United Airlines UA2211: ORD 2026-12-24 19:55:00 → SEA 2026-12-24 22:43:00; nonstop; 288 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $490.00

  • Delta Air Lines DL536 / DL1471: SEA 2026-12-21 08:30:00 → ORD 2026-12-21 16:41:00; 1 stop(s) via MSP; 371 minutes. Local airport times.
    • DL536: SEA 2026-12-21 08:30:00 → MSP 2026-12-21 13:48:00; layover at MSP: 73 minutes.
    • DL1471: MSP 2026-12-21 15:01:00 → ORD 2026-12-21 16:41:00.
  • Delta Air Lines DL1564: ORD 2026-12-24 12:58:00 → SEA 2026-12-24 15:31:00; nonstop; 273 minutes. Local airport times.

More dates for this route