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 $167 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 may: one-way - $167, two-way – $286.

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 $167. The fastest nonstop flight takes 4h 40m. The fastest connecting flight — 6h 29m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $167 Find flight	7:59 pm Chicago O'Hare International	10:42 pm Seattle Seattle-Tacoma Intl	4h 43m	United Airlines	UA2211
from $167 Find flight	10:35 am Chicago O'Hare International	1:22 pm Seattle Seattle-Tacoma Intl	4h 47m	United Airlines	UA2849
from $168 Find flight	1:30 pm Chicago O'Hare International	4:16 pm Seattle Seattle-Tacoma Intl	4h 46m	United Airlines	UA1485
from $190 Find flight	7:55 pm Chicago O'Hare International	10:46 pm Seattle Seattle-Tacoma Intl	4h 51m	United Airlines	UA2850
from $253 Find flight	4:05 pm Chicago O'Hare International	6:45 pm Seattle Seattle-Tacoma Intl	4h 40m	United Airlines	UA2278
from $306 Find flight	9:20 am Chicago O'Hare International	12:08 pm Seattle Seattle-Tacoma Intl	4h 48m	United Airlines	UA1605
from $1249 Find flight	11:59 pm Chicago O'Hare International	2:45 am+1 день Seattle Seattle-Tacoma Intl	4h 46m	United Airlines	UA1381
from $202 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 $202 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 $202 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 $202 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 $202 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 $260 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 $306 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 $211 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 $271 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

Show All Flights

*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 04/24/2025

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$167
11:59 pm — 2:45 am +1 day	11:59 pm — 2:45 am UA1381 United Airlines Chicago — Seattle	4h 46m	Find flight from$1249
1:30 pm — 4:16 pm	1:30 pm — 4:16 pm UA1485 United Airlines Chicago — Seattle	4h 46m	Find flight from$168
2:00 pm — 4:48 pm	2:00 pm — 4:48 pm UA337 United Airlines Chicago — Seattle	4h 48m	Find flight from$272
4:05 pm — 6:45 pm	4:05 pm — 6:45 pm UA2278 United Airlines Chicago — Seattle	4h 40m	Find flight from$253
7:55 pm — 10:46 pm	7:55 pm — 10:46 pm UA2850 United Airlines Chicago — Seattle	4h 51m	Find flight from$190
7:59 pm — 10:42 pm	7:59 pm — 10:42 pm UA2211 United Airlines Chicago — Seattle	4h 43m	Find flight from$167
9:00 am — 11:44 am	9:00 am — 11:44 am UA1705 United Airlines Chicago — Seattle	4h 44m	Find flight from$312
9:20 am — 12:08 pm	9:20 am — 12:08 pm UA1605 United Airlines Chicago — Seattle	4h 48m	Find flight from$306
9:20 am — 12:08 pm	9:20 am — 12:08 pm UA2005 United Airlines Chicago — Seattle	4h 48m	Find flight from$323
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$204
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$428
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$938
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$204
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$204
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$202
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$202
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$204
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$202
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$204
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$204
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$202
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$204
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$217
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$202
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$203
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$202
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$204
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$232

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

*Departure and arrival times are local. Last updated on 04/24/2025

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 february (from 167 $), january (from 168 $), december (from 190 $).

The most expensive and popular months are november (from 205 $), december (from 190 $), january (from 168 $).

The cheapest flight by United Airlines that our users were able to find is $167. 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 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 $150

Find

See more direct flights

Connecting Flights

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

AS - Alaska Airlines

from $183

Find
F9 - Frontier Airlines

from $67

Find
PD - Porter Airlines

from $550

Find
SY - Sun Country Airlines

from $188

Find
Y4 - Volaris

from $479

Find
VB - VivaAerobus

from $447

Find
AM - Aeromexico

from $512

Find
NK - Spirit Airlines

from $147

Find
TS - Air Transat

from $603

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.