United Airlines Chicago to Seattle Flights

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Return flight: Seattle – Chicago

Page navigation

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 march: one-way - $154, two-way – $264.

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

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 — 8h 20m.

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 $233 Find flight	4:05 pm Chicago O'Hare International	6:45 pm Seattle Seattle-Tacoma Intl	4h 40m	United Airlines	UA2278
from $287 Find flight	9:00 am Chicago O'Hare International	11:44 am Seattle Seattle-Tacoma Intl	4h 44m	United Airlines	UA1705
from $200 Find flight	1:55 pm Chicago O'Hare International	10:00 pm Seattle Seattle-Tacoma Intl	10h 5m layover 2h 22m - Los Angeles	United Airlines	UA378 UA684
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 $288 Find flight	8:02 pm Chicago O'Hare International	9:49 am+1 день Seattle Seattle-Tacoma Intl	15h 47m layover 9h 48m - Denver	United Airlines	UA767 UA204
from $306 Find flight	8:45 am Chicago O'Hare International	6:29 pm Seattle Seattle-Tacoma Intl	11h 44m layover 4h 30m - San Francisco	United Airlines	UA1387 UA2603
from $344 Find flight	2:35 pm Chicago O'Hare International	10:45 pm Seattle Seattle-Tacoma Intl	10h 10m layover 4h 16m - Denver	United Airlines	UA1588 UA2651
from $347 Find flight	12:58 pm Chicago O'Hare International	10:00 pm Seattle Seattle-Tacoma Intl	11h 2m layover 3h 29m - Los Angeles	United Airlines	UA2440 UA684
from $347 Find flight	3:40 pm Chicago O'Hare International	10:00 pm Seattle Seattle-Tacoma Intl	8h 20m layover 0h 39m - Los Angeles	United Airlines	UA1310 UA684
from $347 Find flight	6:30 am Chicago O'Hare International	2:22 pm Seattle Seattle-Tacoma Intl	9h 52m layover 2h 34m - San Francisco	United Airlines	UA2027 UA419
from $358 Find flight	9:38 pm Chicago O'Hare International	9:49 am+1 день Seattle Seattle-Tacoma Intl	14h 11m layover 8h 16m - Denver	United Airlines	UA1748 UA204
from $358 Find flight	8:45 am Chicago O'Hare International	0:55 am+1 день Seattle Seattle-Tacoma Intl	18h 10m layover 10h 55m - San Francisco	United Airlines	UA1387 UA1743
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
from $249 Find flight	3:40 pm Chicago O'Hare International	0:55 am+1 день Seattle Seattle-Tacoma Intl	11h 15m layover 0h 41m - Los Angeles 1h 55m - San Francisco	United Airlines	UA1310 UA1743 UA1743
from $249 Find flight	12:58 pm Chicago O'Hare International	0:55 am+1 день Seattle Seattle-Tacoma Intl	13h 57m layover 3h 31m - Los Angeles 1h 55m - San Francisco	United Airlines	UA2440 UA1743 UA1743

Show All Flights

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

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
4:05 pm — 6:45 pm	4:05 pm — 6:45 pm UA2278 United Airlines Chicago — Seattle	4h 40m	Find flight from$233
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
10:35 am — 10:45 pm	10:35 am — 12:32 pm UA1803 United Airlines Chicago — Denver 8h 12m stop 8:44 pm — 10:45 pm UA2651 United Airlines Denver — Seattle	14h 10m including layover	Find flight from$404
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
12:45 pm — 9:01 pm	12:45 pm — 2:36 pm UA1491 United Airlines Chicago — Denver 4h 21m stop 7:05 pm — 9:11 pm UA299 United Airlines Denver — Seattle	10h 16m including layover	Find flight from$282
1:55 pm — 10:00 pm	2:00 pm — 4:38 pm UA378 United Airlines Chicago — Los Angeles 2h 22m stop 7:30 pm — 10:30 pm UA684 United Airlines Los Angeles — Seattle	10h 5m including layover	Find flight from$200
2:35 pm — 10:45 pm	2:35 pm — 4:28 pm UA1588 United Airlines Chicago — Denver 4h 16m stop 8:44 pm — 10:45 pm UA2651 United Airlines Denver — Seattle	10h 10m including layover	Find flight from$344
2:35 pm — 9:01 pm	2:35 pm — 4:28 pm UA1588 United Airlines Chicago — Denver 2h 32m stop 7:00 pm — 9:01 pm UA299 United Airlines Denver — Seattle	8h 26m including layover	Find flight from$394
3:40 pm — 10:00 pm	3:40 pm — 6:25 pm UA1310 United Airlines Chicago — Los Angeles 39m stop 7:04 pm — 10:00 pm UA684 United Airlines Los Angeles — Seattle	8h 20m including layover	Find flight from$347
4:00 pm — 0:55 am +1 day	4:00 pm — 7:00 pm UA2409 United Airlines Chicago — San Francisco 3h 35m stop 10:35 pm — 0:55 am UA1743 United Airlines San Francisco — Seattle	10h 55m including layover	Find flight from$394
6:30 am — 2:22 pm	6:30 am — 9:30 am UA2027 United Airlines Chicago — San Francisco 2h 34m stop 12:04 pm — 2:22 pm UA419 United Airlines San Francisco — Seattle	9h 52m including layover	Find flight from$347
6:30 am — 6:29 pm	6:30 am — 9:30 am UA2027 United Airlines Chicago — San Francisco 6h 40m stop 4:10 pm — 6:29 pm UA2603 United Airlines San Francisco — Seattle	13h 59m including layover	Find flight from$380
8:02 pm — 9:49 am +1 day	8:05 pm — 9:58 pm UA767 United Airlines Chicago — Denver 9h 48m stop 7:50 am — 9:59 am UA204 United Airlines Denver — Seattle	15h 47m including layover	Find flight from$288
8:45 am — 6:29 pm	8:45 am — 11:33 am UA1387 United Airlines Chicago — San Francisco 4h 30m stop 4:32 pm — 6:52 pm UA2603 United Airlines San Francisco — Seattle	11h 44m including layover	Find flight from$306
9:38 pm — 9:49 am +1 day	9:38 pm — 11:30 pm UA1748 United Airlines Chicago — Denver 8h 16m stop 7:46 am — 9:49 am UA204 United Airlines Denver — Seattle	14h 11m including layover	Find flight from$358
12:58 pm — 0:55 am +1 day	12:58 pm — 3:35 pm UA2440 United Airlines Chicago — Los Angeles 3h 31m stop 7:06 pm — 8:40 pm UA1743 United Airlines Los Angeles — San Francisco 1h 55m stop 10:35 pm — 0:55 am UA1743 United Airlines San Francisco — Seattle	13h 57m including layover	Find flight from$249
1:55 pm — 0:55 am +1 day	1:55 pm — 4:42 pm UA378 United Airlines Chicago — Los Angeles 2h 24m stop 7:06 pm — 8:40 pm UA1743 United Airlines Los Angeles — San Francisco 1h 55m stop 10:35 pm — 0:55 am UA1743 United Airlines San Francisco — Seattle	13h including layover	Find flight from$249
3:40 pm — 0:55 am +1 day	3:40 pm — 6:25 pm UA1310 United Airlines Chicago — Los Angeles 41m stop 7:06 pm — 8:40 pm UA1743 United Airlines Los Angeles — San Francisco 1h 55m stop 10:35 pm — 0:55 am UA1743 United Airlines San Francisco — Seattle	11h 15m including layover	Find flight from$249

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 3 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 10:35 am to 9:38 pm. Nonstop flight is 4h 40m. The time difference between Chicago and Seattle is 2h.

The fastest flight 4h 40m
Average flight time 4h 43m
The earliest flight 10:35 am
The latest flight 9:38 pm
Distance 1732 ml

The cheapest months for traveling to Seattle are february (from 154 $), january (from 165 $), november (from 189 $).

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.

Find same flight?

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 5 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 5 direct flights every day from Chicago. Airlines and fares are below:

AS - Alaska Airlines

from $138

Find

See more direct flights

Connecting Flights

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

AS - Alaska Airlines

from $232

Find
F9 - Frontier Airlines

from $84

Find
VB - VivaAerobus

from $443

Find
AM - Aeromexico

from $513

Find
NK - Spirit Airlines

from $160

Find

See more connecting flights

How to book an air ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.