Chicago (ORD) to Seattle / Tacoma (SEA) flight deal from $177 USD in economy class

ASAlaska Airlines, Inc.

Round Trip•Economy

ORD

O'Hare International Airport

Chicago, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$292 USD

-39%$177 USD

Verified Dec 1, 2025 at 4:42 AM

December 2025

Today

Mon

Tue

Wed

Thu

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Sat

Sun

1$1,987 2$602 3$497 4$487 5$487 6$487 7$377 8$377 9$377 10$353 11$357 12$357 13$353 14$277 15$247 16$247 17$247 18$247 19$247 20$472 21$247 22$247 23$237 24$237 25$237 26$595 27$532 28$668 29$532 30$532 31$496 1$496 2$421 3$470 4$237

Limited Availability

18% of dates checked are available within 10% of the lowest price

Monday, December 1st, 2025

6 round-trip options

Returning

Sat, Dec 6, 2025•5 Day Trip

$1,987 USD

Google Flights

Returning

Sun, Dec 7, 2025•6 Day Trip

$2,227 USD

Google Flights

Returning

Mon, Dec 8, 2025•7 Day Trip

$2,175 USD

Google Flights

Returning

Tue, Dec 9, 2025•8 Day Trip

$3,958 USD

Google Flights

Returning

Wed, Dec 10, 2025•9 Day Trip

$3,958 USD

Google Flights

Returning

Mon, Dec 15, 2025•14 Day Trip

$2,009 USD

Google Flights