Chicago (ORD) to Seattle / Tacoma (SEA) flight deal from $89 USD in economy class – flightdeals.net

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Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

One Way•Economy

O'Hare International Airport

Chicago, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$150 USD

-41%$89 USD

Verified Nov 28, 2025 at 10:45 PM

March 2026

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23 24 25 26 27 28 1$164 2$89 3$89 4$89 5$89 6$89 7$89 8$229 9$89 10$89 11$108 12$99 13$219 14$108 15$129 16$259 17$99 18$99 19$164 20$129 21$219 22$129 23$129 24$99 25$99 26$99 27$129 28$125 29$169 30$99 31$99 1$125 2$149 3$149 4$125 5$149

Fair Availability

22% of dates checked are available within 10% of the lowest price

Saturday, March 21st, 2026

Outbound Flights

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4h 41m·Nonstop

$219 USD

Alaska Airlines, Inc.

ORDMar 21 19:24

→

SEAMar 21 22:05

AS 321Boeing 737

4h 37m·Nonstop

$264 USD

Alaska Airlines, Inc.

ORDMar 21 06:00

→

SEAMar 21 08:37

AS 349Boeing 737

9h 37m·1 stop

$449 USD

Alaska Airlines, Inc.

ORDMar 21 08:20

→

SANMar 21 11:02

AS 1470Boeing 737

1h 42m layover

Alaska Airlines, Inc.

SANMar 21 12:44

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SEAMar 21 15:57

AS 1456Boeing 737