United Airlines Seattle to Chicago Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Chicago. Compare airline ticket prices and book air tickets starting from $164 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Chicago (IL) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $164, two-way – $281.

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Cheap Flights from Seattle to Chicago by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $164. The fastest nonstop flight takes 3h 54m. The fastest connecting flight — 7h 21m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $164 Find flight	11:59 pm Seattle Seattle-Tacoma Intl	5:53 am+1 день Chicago O'Hare International	3h 54m	United Airlines	UA747
from $286 Find flight	7:00 am Seattle Seattle-Tacoma Intl	1:04 pm Chicago O'Hare International	4h 4m	United Airlines	UA1448
from $203 Find flight	6:15 am Seattle Seattle-Tacoma Intl	6:55 pm Chicago O'Hare International	10h 40m layover 3h 44m - Los Angeles	United Airlines	UA1571 UA1069
from $243 Find flight	7:32 pm Seattle Seattle-Tacoma Intl	4:53 am+1 день Chicago O'Hare International	7h 21m layover 0h 45m - San Francisco	United Airlines	UA737 UA2482
from $243 Find flight	3:24 pm Seattle Seattle-Tacoma Intl	0:59 am+1 день Chicago O'Hare International	7h 35m layover 0h 59m - San Francisco	United Airlines	UA589 UA2117
from $292 Find flight	12:37 pm Seattle Seattle-Tacoma Intl	11:31 pm Chicago O'Hare International	8h 54m layover 2h 10m - San Francisco	United Airlines	UA1482 UA1482
from $292 Find flight	4:58 pm Seattle Seattle-Tacoma Intl	4:53 am+1 день Chicago O'Hare International	9h 55m layover 3h 25m - San Francisco	United Airlines	UA2482 UA2482
from $297 Find flight	12:46 pm Seattle Seattle-Tacoma Intl	10:38 pm Chicago O'Hare International	7h 52m layover 2h 39m - Denver	United Airlines	UA423 UA2258
from $298 Find flight	7:13 pm Seattle Seattle-Tacoma Intl	9:34 am+1 день Chicago O'Hare International	12h 21m layover 7h 3m - Denver	United Airlines	UA1387 UA532
from $334 Find flight	3:04 pm Seattle Seattle-Tacoma Intl	4:52 am+1 день Chicago O'Hare International	11h 48m layover 4h 57m - Los Angeles	United Airlines	UA2610 UA1843
from $347 Find flight	12:46 pm Seattle Seattle-Tacoma Intl	11:58 pm Chicago O'Hare International	9h 12m layover 3h 59m - Denver	United Airlines	UA423 UA377
from $302 Find flight	4:58 pm Seattle Seattle-Tacoma Intl	9:34 am+1 день Chicago O'Hare International	14h 36m layover 0h 55m - San Francisco 6h 15m - Denver	United Airlines	UA2482 UA624 UA532

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 03/01/2025

United Airlines Flight Schedule Seattle to Chicago

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
11:59 pm — 5:53 am +1 day	11:59 pm — 5:53 am UA747 United Airlines Seattle — Chicago	3h 54m	Find flight from$164
12:37 pm — 0:59 am +1 day	12:37 pm — 2:55 pm UA1482 United Airlines Seattle — San Francisco 3h 46m stop 6:41 pm — 0:59 am UA2117 United Airlines San Francisco — Chicago	10h 22m including layover	Find flight from$243
12:37 pm — 11:31 pm	12:37 pm — 2:55 pm UA1482 United Airlines Seattle — San Francisco 2h 10m stop 5:05 pm — 11:31 pm UA1482 United Airlines San Francisco — Chicago	8h 54m including layover	Find flight from$292
12:46 pm — 10:38 pm	12:46 pm — 4:31 pm UA423 United Airlines Seattle — Denver 2h 39m stop 7:10 pm — 10:38 pm UA2258 United Airlines Denver — Chicago	7h 52m including layover	Find flight from$297
12:46 pm — 11:58 pm	12:46 pm — 4:31 pm UA423 United Airlines Seattle — Denver 3h 59m stop 8:30 pm — 11:58 pm UA377 United Airlines Denver — Chicago	9h 12m including layover	Find flight from$347
3:04 pm — 4:52 am +1 day	3:04 pm — 5:48 pm UA2610 United Airlines Seattle — Los Angeles 4h 57m stop 10:45 pm — 4:52 am UA1843 United Airlines Los Angeles — Chicago	11h 48m including layover	Find flight from$334
3:24 pm — 0:59 am +1 day	3:24 pm — 5:42 pm UA589 United Airlines Seattle — San Francisco 59m stop 6:41 pm — 0:59 am UA2117 United Airlines San Francisco — Chicago	7h 35m including layover	Find flight from$243
4:58 pm — 4:53 am +1 day	4:58 pm — 7:10 pm UA2482 United Airlines Seattle — San Francisco 3h 25m stop 10:35 pm — 4:53 am UA2482 United Airlines San Francisco — Chicago	9h 55m including layover	Find flight from$292
4:58 pm — 9:34 am +1 day	4:58 pm — 7:10 pm UA2482 United Airlines Seattle — San Francisco 55m stop 8:05 pm — 11:45 pm UA624 United Airlines San Francisco — Denver 6h 15m stop 6:00 am — 9:34 am UA532 United Airlines Denver — Chicago	14h 36m including layover	Find flight from$302
6:15 am — 6:55 pm	6:15 am — 9:01 am UA1571 United Airlines Seattle — Los Angeles 3h 44m stop 12:45 pm — 6:55 pm UA1069 United Airlines Los Angeles — Chicago	10h 40m including layover	Find flight from$203
6:15 am — 8:25 pm	6:15 am — 9:02 am UA1571 United Airlines Seattle — Los Angeles 5h 15m stop 2:15 pm — 8:25 pm UA2487 United Airlines Los Angeles — Chicago	12h 10m including layover	Find flight from$294
7:00 am — 1:04 pm	7:00 am — 1:04 pm UA1448 United Airlines Seattle — Chicago	4h 4m	Find flight from$286
7:13 pm — 9:34 am +1 day	7:13 pm — 10:57 pm UA1387 United Airlines Seattle — Denver 7h 3m stop 6:00 am — 9:34 am UA532 United Airlines Denver — Chicago	12h 21m including layover	Find flight from$298
7:32 pm — 6:13 am +1 day	7:32 pm — 9:50 pm UA737 United Airlines Seattle — San Francisco 2h 5m stop 11:55 pm — 6:13 am UA1112 United Airlines San Francisco — Chicago	8h 41m including layover	Find flight from$203
7:32 pm — 4:53 am +1 day	7:32 pm — 9:50 pm UA737 United Airlines Seattle — San Francisco 45m stop 10:35 pm — 4:53 am UA2482 United Airlines San Francisco — Chicago	7h 21m including layover	Find flight from$243

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 03/01/2025

Flight Information

There are 2 flights by United Airlines from Seattle to Chicago every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee.

Departures start from 11:59 pm to 7:32 pm. Nonstop flight is 3h 54m. The time difference between Seattle and Chicago is 2h.

The fastest flight 3h 54m
Average flight time 3h 59m
The earliest flight 11:59 pm
The latest flight 7:32 pm
Distance 1732 ml

The cheapest months for traveling to Chicago are december (from 164 $), february (from 191 $), november (from 250 $).

The cheapest flight by United Airlines that our users were able to find is $164. This airfare is economy class on one-way UA747 flight for February 21, 2025 leaving Seattle-Tacoma Intl in Seattle at 11:59 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from Seattle to Chicago:

Other Popular Airlines on the Route

Besides United Airlines there are other 3 airline carriers between Seattle and Chicago. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Chicago.

Nonstop flights

There are 3 direct flights every day from Seattle. Airlines and fares are below:

AS - Alaska Airlines

from $138

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Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $224

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F9 - Frontier Airlines

from $65

Find
NK - Spirit Airlines

from $160

Find

See more connecting flights

How to book an air ticket yourself?

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