United Airlines Chicago to Seattle Flights

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Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap United Airlines flights from Chicago to Seattle. Compare airline ticket prices and book air tickets starting from $154 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 Chicago (IL) — Seattle (WA) 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 april: one-way - $154, two-way – $264.

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Cheap Flights from Chicago to Seattle 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 $154. The fastest nonstop flight takes 4h 40m. The fastest connecting flight — 6h 29m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $154 Find flight	7:59 pm Chicago O'Hare International	10:42 pm Seattle Seattle-Tacoma Intl	4h 43m	United Airlines	UA2211
from $154 Find flight	10:35 am Chicago O'Hare International	1:22 pm Seattle Seattle-Tacoma Intl	4h 47m	United Airlines	UA2849
from $154 Find flight	1:30 pm Chicago O'Hare International	4:16 pm Seattle Seattle-Tacoma Intl	4h 46m	United Airlines	UA1485
from $175 Find flight	7:55 pm Chicago O'Hare International	10:46 pm Seattle Seattle-Tacoma Intl	4h 51m	United Airlines	UA2850
from $233 Find flight	4:05 pm Chicago O'Hare International	6:45 pm Seattle Seattle-Tacoma Intl	4h 40m	United Airlines	UA2278
from $282 Find flight	9:20 am Chicago O'Hare International	12:08 pm Seattle Seattle-Tacoma Intl	4h 48m	United Airlines	UA1605
from $1150 Find flight	11:59 pm Chicago O'Hare International	2:45 am+1 день Seattle Seattle-Tacoma Intl	4h 46m	United Airlines	UA1381
from $186 Find flight	3:35 pm Chicago O'Hare International	10:30 pm Seattle Seattle-Tacoma Intl	8h 55m layover 1h 17m - Los Angeles	United Airlines	UA2669 UA1657
from $186 Find flight	7:15 am Chicago O'Hare International	4:00 pm Seattle Seattle-Tacoma Intl	10h 45m layover 3h 7m - Los Angeles	United Airlines	UA2449 UA2390
from $186 Find flight	2:00 pm Chicago O'Hare International	10:30 pm Seattle Seattle-Tacoma Intl	10h 30m layover 2h 52m - Los Angeles	United Airlines	UA2661 UA1657
from $186 Find flight	4:10 pm Chicago O'Hare International	0:50 am+1 день Seattle Seattle-Tacoma Intl	10h 40m layover 3h 45m - San Francisco	United Airlines	UA2409 UA1971
from $186 Find flight	8:45 am Chicago O'Hare International	4:00 pm Seattle Seattle-Tacoma Intl	9h 15m layover 1h 46m - Los Angeles	United Airlines	UA1584 UA2390
from $239 Find flight	2:25 pm Chicago O'Hare International	9:09 pm Seattle Seattle-Tacoma Intl	8h 44m layover 1h 34m - San Francisco	United Airlines	UA1165 UA2019
from $282 Find flight	12:45 pm Chicago O'Hare International	9:01 pm Seattle Seattle-Tacoma Intl	10h 16m layover 4h 21m - Denver	United Airlines	UA1491 UA299
from $194 Find flight	10:49 am Chicago O'Hare International	9:20 pm Seattle Seattle-Tacoma Intl	12h 31m layover 2h 41m - Los Angeles 1h 16m - San Francisco	United Airlines	UA2861 UA2019 UA2019
from $249 Find flight	1:55 pm Chicago O'Hare International	0:55 am+1 день Seattle Seattle-Tacoma Intl	13h 0m layover 2h 24m - Los Angeles 1h 55m - San Francisco	United Airlines	UA378 UA1743 UA1743

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 04/03/2025

United Airlines Flight Schedule Chicago to Seattle

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
10:35 am — 1:22 pm	10:35 am — 1:22 pm UA2849 United Airlines Chicago — Seattle	4h 47m	Find flight from$154
11:59 pm — 2:45 am +1 day	11:59 pm — 2:45 am UA1381 United Airlines Chicago — Seattle	4h 46m	Find flight from$1150
1:30 pm — 4:16 pm	1:30 pm — 4:16 pm UA1485 United Airlines Chicago — Seattle	4h 46m	Find flight from$154
2:00 pm — 4:48 pm	2:00 pm — 4:48 pm UA337 United Airlines Chicago — Seattle	4h 48m	Find flight from$250
4:05 pm — 6:45 pm	4:05 pm — 6:45 pm UA2278 United Airlines Chicago — Seattle	4h 40m	Find flight from$233
7:55 pm — 10:46 pm	7:55 pm — 10:46 pm UA2850 United Airlines Chicago — Seattle	4h 51m	Find flight from$175
7:59 pm — 10:42 pm	7:59 pm — 10:42 pm UA2211 United Airlines Chicago — Seattle	4h 43m	Find flight from$154
9:00 am — 11:44 am	9:00 am — 11:44 am UA1705 United Airlines Chicago — Seattle	4h 44m	Find flight from$287
9:20 am — 12:08 pm	9:20 am — 12:08 pm UA1605 United Airlines Chicago — Seattle	4h 48m	Find flight from$282
9:20 am — 12:08 pm	9:20 am — 12:08 pm UA2005 United Airlines Chicago — Seattle	4h 48m	Find flight from$297
10:35 am — 6:15 pm	10:35 am — 12:28 pm UA1803 United Airlines Chicago — Denver 3h 42m stop 4:10 pm — 6:15 pm UA745 United Airlines Denver — Seattle	9h 40m including layover	Find flight from$188
11:53 am — 10:17 pm	11:53 am — 3:08 pm UA2488 United Airlines Chicago — Newark 3h 50m stop 6:58 pm — 10:17 pm UA2044 United Airlines Newark — Seattle	12h 24m including layover	Find flight from$394
11:59 pm — 8:30 am +1 day	11:59 pm — 2:35 am UA243 United Airlines Chicago — Dallas 3h 25m stop 6:00 am — 8:30 am AS365 Alaska Airlines Dallas — Seattle	10h 31m including layover	Find flight from$864
12:45 pm — 6:15 pm	12:45 pm — 2:36 pm UA1491 United Airlines Chicago — Denver 1h 34m stop 4:10 pm — 6:15 pm UA745 United Airlines Denver — Seattle	7h 30m including layover	Find flight from$188
12:55 pm — 10:30 pm	12:55 pm — 3:29 pm UA2654 United Airlines Chicago — Los Angeles 3h 48m stop 7:30 pm — 10:30 pm UA1875 United Airlines Los Angeles — Seattle	11h 35m including layover	Find flight from$188
1:00 pm — 10:30 pm	1:00 pm — 3:32 pm UA2657 United Airlines Chicago — Los Angeles 3h 58m stop 7:30 pm — 10:30 pm UA1657 United Airlines Los Angeles — Seattle	11h 30m including layover	Find flight from$186
2:00 pm — 10:30 pm	2:00 pm — 4:38 pm UA2661 United Airlines Chicago — Los Angeles 2h 52m stop 7:30 pm — 10:30 pm UA1657 United Airlines Los Angeles — Seattle	10h 30m including layover	Find flight from$186
2:35 pm — 9:20 pm	2:35 pm — 5:30 pm UA1577 United Airlines Chicago — San Francisco 1h 30m stop 7:00 pm — 9:20 pm UA2019 United Airlines San Francisco — Seattle	8h 45m including layover	Find flight from$188
3:35 pm — 10:30 pm	3:35 pm — 6:13 pm UA2669 United Airlines Chicago — Los Angeles 1h 17m stop 7:30 pm — 10:30 pm UA1657 United Airlines Los Angeles — Seattle	8h 55m including layover	Find flight from$186
3:35 pm — 10:30 pm	3:35 pm — 6:14 pm UA1732 United Airlines Chicago — Los Angeles 1h 11m stop 7:30 pm — 10:30 pm UA1875 United Airlines Los Angeles — Seattle	8h 55m including layover	Find flight from$188
4:08 pm — 9:11 pm	4:08 pm — 5:59 pm UA2436 United Airlines Chicago — Denver 1h 6m stop 7:05 pm — 9:11 pm UA299 United Airlines Denver — Seattle	7h 3m including layover	Find flight from$188
4:10 pm — 0:50 am +1 day	4:10 pm — 6:50 pm UA2409 United Airlines Chicago — San Francisco 3h 45m stop 10:35 pm — 0:50 am UA1971 United Airlines San Francisco — Seattle	10h 40m including layover	Find flight from$186
5:50 pm — 11:09 pm	5:50 pm — 7:40 pm UA2370 United Airlines Chicago — Denver 1h 24m stop 9:04 pm — 11:09 pm UA2651 United Airlines Denver — Seattle	7h 19m including layover	Find flight from$188
5:50 pm — 11:44 pm	5:50 pm — 8:43 pm UA738 United Airlines Chicago — San Francisco 50m stop 9:29 pm — 11:44 pm UA1971 United Airlines San Francisco — Seattle	7h 54m including layover	Find flight from$200
6:50 am — 3:21 pm	6:50 am — 9:38 am UA1962 United Airlines Chicago — San Francisco 3h 25m stop 1:03 pm — 3:21 pm UA2391 United Airlines San Francisco — Seattle	10h 31m including layover	Find flight from$186
6:50 am — 12:58 pm	6:50 am — 9:38 am UA1962 United Airlines Chicago — San Francisco 1h 2m stop 10:40 am — 12:58 pm UA2315 United Airlines San Francisco — Seattle	8h 8m including layover	Find flight from$187
8:45 am — 4:00 pm	8:45 am — 11:19 am UA1584 United Airlines Chicago — Los Angeles 1h 46m stop 1:05 pm — 4:00 pm UA2390 United Airlines Los Angeles — Seattle	9h 15m including layover	Find flight from$186
8:45 am — 3:45 pm	8:45 am — 11:33 am UA1387 United Airlines Chicago — San Francisco 1h 52m stop 1:25 pm — 3:45 pm UA593 United Airlines San Francisco — Seattle	9h including layover	Find flight from$188
9:36 pm — 9:58 am +1 day	7:40 pm — 9:29 pm UA2485 United Airlines Chicago — Denver 8h 31m stop 7:50 am — 9:58 am UA1399 United Airlines Denver — Seattle	14h 22m including layover	Find flight from$213

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

*Departure and arrival times are local. Last updated on 04/03/2025

Flight Information

There are 10 flights by United Airlines from Chicago to Seattle every week with departures from Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 10:32 am to 9:45 pm. Nonstop flight is 4h 40m. The time difference between Chicago and Seattle is 2h.

The fastest flight 4h 40m
Average flight time 4h 47m
The earliest flight 10:32 am
The latest flight 9:45 pm
Distance 1732 ml

The cheapest months for traveling to Seattle are january (from 154 $), february (from 154 $), december (from 175 $).

The most expensive and popular months are november (from 189 $), december (from 175 $), february (from 154 $).

The cheapest flight by United Airlines that our users were able to find is $154. This airfare is economy class on one-way UA2211 flight for February 21, 2025 leaving O'Hare International in Chicago at 7:59 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 Chicago to Seattle:

Other Popular Airlines on the Route

Besides United Airlines there are other 9 airline carriers between Chicago and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to Seattle.

Nonstop flights

There are 16 direct flights every day from Chicago. 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 $169

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F9 - Frontier Airlines

from $62

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PD - Porter Airlines

from $506

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SY - Sun Country Airlines

from $173

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Y4 - Volaris

from $441

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VB - VivaAerobus

from $411

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AM - Aeromexico

from $472

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NK - Spirit Airlines

from $135

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TS - Air Transat

from $555

Find

See more connecting flights

How to book an air ticket yourself?

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