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

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United Airlines

UAUnited Airlines

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

O'Hare International Airport

Chicago, United States

$152 USD

-41%$89 USD

Verified Nov 1, 2025 at 7:04 AM

November 2025

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27 28 29 30 31 1$405 2$405 3$405 4$390 5$390 6$390 7$400 8$299 9$298 10$298 11$298 12$298 13$299 14$299 15$179 16$179 17$179 18$179 19$179 20$179 21$189 22$135 23$179 24$129 25$135 26$135 27$89 28$239 29$342 30$241

Fair Availability

24% of dates checked are available within 10% of the lowest price

Thursday, November 27th, 2025

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