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Chicago → Seattle

Dec 21, 2026 · return Dec 28, 2026

ORD → SEA1 adulteconomyRound trip

13 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Mon, Dec 28

Alaska Airlines
6:00 amORD
4h 57m
Nonstop
8:57 amSEA
Alaska Airlines
11:40 pmSEA
3h 57m
Nonstop
5:37 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

American Airlines
9:53 pmORD
4h 42m
Nonstop
12:35 am+1SEA
American Airlines
11:36 pmSEA
4h 6m
Nonstop
5:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Delta Air Lines
12:58 pmORD
4h 38m
Nonstop
3:36 pmSEA
Delta Air Lines
5:55 pmSEA
4h 4m
Nonstop
11:59 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

American Airlines
12:54 pmORD
4h 50m
Nonstop
3:44 pmSEA
American Airlines
11:36 pmSEA
4h 6m
Nonstop
5:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
4:20 pmORD
4h 46m
Nonstop
7:06 pmSEA
United Airlines
10:55 amSEA
4h 10m
Nonstop
5:05 pmORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Dec 28

American Airlines
9:40 amORD
7h 4m
MSO · 1h 23m
2:44 pmSEA
American Airlines
11:36 pmSEA
4h 6m
Nonstop
5:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

American Airlines
10:00 amORD
6h 49m
BOI · 1h 6m
2:49 pmSEA
American Airlines
11:36 pmSEA
4h 6m
Nonstop
5:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

American Airlines
9:45 amORD
7h 7m
PDX · 1h 15m
2:52 pmSEA
American Airlines
11:36 pmSEA
4h 6m
Nonstop
5:42 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
8:40 amORD
6h 55m
DEN · 1h 4m
1:35 pmSEA
United Airlines
10:55 amSEA
4h 10m
Nonstop
5:05 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
8:58 amORD
7h 34m
YVR · 1h 45m
2:32 pmSEA
United Airlines
10:55 amSEA
4h 10m
Nonstop
5:05 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

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

Round-trip total · 1 adult · Taxes included

Make this trip yours

ORD ⇄ SEA

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.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. 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

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 → 2026-12-28Alaska AirlinesAS587 / AS328$384.252026-10-29T01:53:26Z
2026-12-21 → 2026-12-28United AirlinesUA2211 / UA747$397.502026-10-29T01:53:26Z
2026-12-21 → 2026-12-28American AirlinesAA2392 / AA294$397.502026-10-29T01:53:26Z
2026-12-21 → 2026-12-28Delta Air LinesDL1564 / DL2108$410.752026-10-29T01:53:26Z
2026-12-21 → 2026-12-28Alaska AirlinesAS407 / AS328$384.252026-10-29T01:53:26Z
2026-12-21 → 2026-12-28American AirlinesAA3046 / AA294$397.502026-10-29T01:53:26Z
2026-12-21 → 2026-12-28United AirlinesUA1801 / UA747$397.502026-10-29T01:53:26Z
2026-12-21 → 2026-12-28American AirlinesAA4189 + AS3138 / AA294$384.002026-10-29T01:53:26Z
2026-12-21 → 2026-12-28American AirlinesAA2036 + AS359 / AA294$384.002026-10-29T01:53:26Z
2026-12-21 → 2026-12-28American AirlinesAA562 + AS2284 / AA294$384.002026-10-29T01:53:26Z
2026-12-21 → 2026-12-28United AirlinesUA2495 + UA2302 / UA747$390.752026-10-29T01:53:26Z
2026-12-21 → 2026-12-28United AirlinesUA1498 + AC8804 / UA747$390.752026-10-29T01:53:26Z
2026-12-21 → 2026-12-28Delta Air LinesDL1564 / DL536 + DL1471$397.752026-10-29T01:53:26Z

2026-12-21 → 2026-12-28 · $384.25

  • Alaska Airlines AS587: ORD 2026-12-21 06:00:00 → SEA 2026-12-21 08:57:00; nonstop; 297 minutes. Local airport times.
  • Alaska Airlines AS328: SEA 2026-12-28 23:40:00 → ORD 2026-12-29 05:37:00; nonstop; 237 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $397.50

  • United Airlines UA2211: ORD 2026-12-21 19:55:00 → SEA 2026-12-21 22:43:00; nonstop; 288 minutes. Local airport times.
  • United Airlines UA747: SEA 2026-12-28 10:55:00 → ORD 2026-12-28 17:05:00; nonstop; 250 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $397.50

  • American Airlines AA2392: ORD 2026-12-21 21:53:00 → SEA 2026-12-22 00:35:00; nonstop; 282 minutes. Local airport times.
  • American Airlines AA294: SEA 2026-12-28 23:36:00 → ORD 2026-12-29 05:42:00; nonstop; 246 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $410.75

  • Delta Air Lines DL1564: ORD 2026-12-21 12:58:00 → SEA 2026-12-21 15:36:00; nonstop; 278 minutes. Local airport times.
  • Delta Air Lines DL2108: SEA 2026-12-28 17:55:00 → ORD 2026-12-28 23:59:00; nonstop; 244 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $384.25

  • Alaska Airlines AS407: ORD 2026-12-21 15:19:00 → SEA 2026-12-21 18:11:00; nonstop; 292 minutes. Local airport times.
  • Alaska Airlines AS328: SEA 2026-12-28 23:40:00 → ORD 2026-12-29 05:37:00; nonstop; 237 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $397.50

  • American Airlines AA3046: ORD 2026-12-21 12:54:00 → SEA 2026-12-21 15:44:00; nonstop; 290 minutes. Local airport times.
  • American Airlines AA294: SEA 2026-12-28 23:36:00 → ORD 2026-12-29 05:42:00; nonstop; 246 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $397.50

  • United Airlines UA1801: ORD 2026-12-21 16:20:00 → SEA 2026-12-21 19:06:00; nonstop; 286 minutes. Local airport times.
  • United Airlines UA747: SEA 2026-12-28 10:55:00 → ORD 2026-12-28 17:05:00; nonstop; 250 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $384.00

  • American Airlines AA4189 / AS3138: ORD 2026-12-21 09:40:00 → SEA 2026-12-21 14:44:00; 1 stop(s) via MSO; 424 minutes. Local airport times.
    • AA4189: ORD 2026-12-21 09:40:00 → MSO 2026-12-21 12:36:00; layover at MSO: 83 minutes.
    • AS3138: MSO 2026-12-21 13:59:00 → SEA 2026-12-21 14:44:00.
  • American Airlines AA294: SEA 2026-12-28 23:36:00 → ORD 2026-12-29 05:42:00; nonstop; 246 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $384.00

  • American Airlines AA2036 / AS359: ORD 2026-12-21 10:00:00 → SEA 2026-12-21 14:49:00; 1 stop(s) via BOI; 409 minutes. Local airport times.
    • AA2036: ORD 2026-12-21 10:00:00 → BOI 2026-12-21 12:59:00; layover at BOI: 66 minutes.
    • AS359: BOI 2026-12-21 14:05:00 → SEA 2026-12-21 14:49:00.
  • American Airlines AA294: SEA 2026-12-28 23:36:00 → ORD 2026-12-29 05:42:00; nonstop; 246 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $384.00

  • American Airlines AA562 / AS2284: ORD 2026-12-21 09:45:00 → SEA 2026-12-21 14:52:00; 1 stop(s) via PDX; 427 minutes. Local airport times.
    • AA562: ORD 2026-12-21 09:45:00 → PDX 2026-12-21 12:37:00; layover at PDX: 75 minutes.
    • AS2284: PDX 2026-12-21 13:52:00 → SEA 2026-12-21 14:52:00.
  • American Airlines AA294: SEA 2026-12-28 23:36:00 → ORD 2026-12-29 05:42:00; nonstop; 246 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $390.75

  • United Airlines UA2495 / UA2302: ORD 2026-12-21 08:40:00 → SEA 2026-12-21 13:35:00; 1 stop(s) via DEN; 415 minutes. Local airport times.
    • UA2495: ORD 2026-12-21 08:40:00 → DEN 2026-12-21 10:26:00; layover at DEN: 64 minutes.
    • UA2302: DEN 2026-12-21 11:30:00 → SEA 2026-12-21 13:35:00.
  • United Airlines UA747: SEA 2026-12-28 10:55:00 → ORD 2026-12-28 17:05:00; nonstop; 250 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $390.75

  • United Airlines UA1498 / AC8804: ORD 2026-12-21 08:58:00 → SEA 2026-12-21 14:32:00; 1 stop(s) via YVR; 454 minutes. Local airport times.
    • UA1498: ORD 2026-12-21 08:58:00 → YVR 2026-12-21 12:45:00; layover at YVR: 105 minutes.
    • AC8804: YVR 2026-12-21 14:30:00 → SEA 2026-12-21 14:32:00.
  • United Airlines UA747: SEA 2026-12-28 10:55:00 → ORD 2026-12-28 17:05:00; nonstop; 250 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $397.75

  • Delta Air Lines DL1564: ORD 2026-12-21 12:58:00 → SEA 2026-12-21 15:31:00; nonstop; 273 minutes. Local airport times.
  • Delta Air Lines DL536 / DL1471: SEA 2026-12-28 08:30:00 → ORD 2026-12-28 16:41:00; 1 stop(s) via MSP; 371 minutes. Local airport times.
    • DL536: SEA 2026-12-28 08:30:00 → MSP 2026-12-28 13:48:00; layover at MSP: 73 minutes.
    • DL1471: MSP 2026-12-28 15:01:00 → ORD 2026-12-28 16:41:00.

More dates for this route