Take off on cheap flights from Chicago to Seattle, your adventure starts now!

Find cheap airline tickets from Chicago to Seattle by date

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • price
  • month of departure
  • month of return
$185
outward: Oct 4, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Oct 11, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$191
outward: Nov 10, 2018
11:05p ORD » 7:49a SEA
United Airlines 1 stop (8h44m)
inbound: Nov 14, 2018
8:20a SEA » 12:05p ORD
United Airlines direct (3h45m)
$196
outward: Sep 27, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Sep 29, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$197
outward: Nov 10, 2018
1:00p ORD » 3:32a SEA
Frontier Airlines 1 stop (14h32m)
inbound: Nov 14, 2018
9:55a SEA » 6:47a ORD
Frontier Airlines 1 stop (20h52m)
$197
outward: Nov 10, 2018
1:00p ORD » 3:32a SEA
Frontier Airlines 1 stop (14h32m)
inbound: Nov 14, 2018
9:55a SEA » 6:47a ORD
Frontier Airlines 1 stop (20h52m)
$197
outward: Nov 1, 2018
1:00p ORD » 5:32p SEA
Delta Air Lines direct (4h32m)
inbound: Nov 6, 2018
2:25a SEA » 5:59a ORD
Delta Air Lines direct (3h34m)
$197
outward: Nov 1, 2018
1:00p ORD » 5:32p SEA
Delta Air Lines direct (4h32m)
inbound: Nov 6, 2018
2:25a SEA » 5:59a ORD
Delta Air Lines direct (3h34m)
$206
outward: Sep 27, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Sep 29, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$206
outward: Oct 5, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Oct 9, 2018
9:57a SEA » 1:49p ORD
United Airlines direct (3h52m)
$207
outward: Sep 27, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Sep 29, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$207
outward: Oct 5, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Oct 9, 2018
9:57a SEA » 1:49p ORD
United Airlines direct (3h52m)
$207
outward: Oct 5, 2018
2:46p ORD » 7:18p SEA
United Airlines direct (4h32m)
inbound: Oct 11, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$208
outward: Sep 27, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Sep 29, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$211
outward: Nov 30, 2018
2:25p ORD » 7:22p SEA
Delta Air Lines direct (4h57m)
inbound: Dec 1, 2018
6:30p SEA » 10:40p ORD
Delta Air Lines direct (4h10m)
$213
outward: Sep 26, 2018
2:27p ORD » 6:50p SEA
Delta Air Lines direct (4h23m)
inbound: Sep 29, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$213
outward: Oct 11, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Oct 17, 2018
9:57a SEA » 1:49p ORD
United Airlines direct (3h52m)
$213
outward: Oct 4, 2018
2:00p ORD » 6:32p SEA
Delta Air Lines direct (4h32m)
inbound: Oct 9, 2018
9:57a SEA » 1:49p ORD
United Airlines direct (3h52m)
$214
outward: Oct 4, 2018
2:00p ORD » 6:32p SEA
Delta Air Lines direct (4h32m)
inbound: Oct 10, 2018
8:20a SEA » 11:59a ORD
United Airlines direct (3h39m)
$214
outward: Oct 5, 2018
2:00p ORD » 6:32p SEA
Delta Air Lines direct (4h32m)
inbound: Oct 11, 2018
2:30a SEA » 6:16a ORD
Delta Air Lines direct (3h46m)
$214
outward: Oct 5, 2018
2:00p ORD » 6:32p SEA
Delta Air Lines direct (4h32m)
inbound: Oct 11, 2018
2:30a SEA » 6:16a ORD
Delta Air Lines direct (3h46m)
$217
outward: Oct 4, 2018
2:00p ORD » 6:32p SEA
Delta Air Lines direct (4h32m)
inbound: Oct 9, 2018
9:57a SEA » 1:49p ORD
United Airlines direct (3h52m)
$217
outward: Sep 29, 2018
2:45a ORD » 7:10a SEA
United Airlines direct (4h25m)
inbound: Oct 6, 2018
10:54p SEA » 6:02a ORD
United Airlines 1 stop (7h08m)
$221
outward: Oct 31, 2018
1:40p ORD » 10:21p SEA
Spirit Airlines 1 stop (8h41m)
inbound: Nov 6, 2018
3:00p SEA » 10:34p ORD
Spirit Airlines 1 stop (7h34m)
$221
outward: Oct 31, 2018
1:40p ORD » 10:21p SEA
Spirit Airlines 1 stop (8h41m)
inbound: Nov 6, 2018
3:00p SEA » 10:34p ORD
Spirit Airlines 1 stop (7h34m)
$221
outward: Sep 26, 2018
12:01p MKE » 3:33a SEA
Frontier Airlines 1 stop (15h32m)
inbound: Oct 24, 2018
9:55a SEA » 6:59a MKE
Frontier Airlines 1 stop (21h04m)
$223
outward: Oct 10, 2018
1:05p ORD » 3:31a SEA
Frontier Airlines 1 stop (14h26m)
inbound: Oct 17, 2018
3:00p SEA » 10:34p ORD
Spirit Airlines 1 stop (7h34m)
$223
outward: Sep 26, 2018
2:40p ORD » 11:21p SEA
Spirit Airlines 1 stop (8h41m)
inbound: Oct 23, 2018
3:00p SEA » 11:42p ORD
Spirit Airlines 1 stop (8h42m)
$223
outward: Sep 30, 2018
1:05p ORD » 9:17p SEA
Delta Air Lines 1 stop (8h12m)
inbound: Oct 7, 2018
12:10a SEA » 4:07a ORD
Delta Air Lines direct (3h57m)
$224
outward: Sep 30, 2018
1:05p ORD » 9:17p SEA
Delta Air Lines 1 stop (8h12m)
inbound: Oct 7, 2018
12:10a SEA » 4:07a ORD
Delta Air Lines direct (3h57m)
$224
outward: Oct 29, 2018
11:05a MKE » 2:31a SEA
Frontier Airlines 1 stop (15h26m)
inbound: Nov 3, 2018
8:55a SEA » 5:59a MKE
Frontier Airlines 1 stop (21h04m)
Return
Departure
12 October Oct Friday $retDate.dayShortName
13 October Oct Saturday $retDate.dayShortName
14 October Oct Sunday $retDate.dayShortName
15 October Oct Monday $retDate.dayShortName
16 October Oct Tuesday $retDate.dayShortName
17 October Oct Wednesday $retDate.dayShortName
18 October Oct Thursday $retDate.dayShortName
07 October Oct Sunday $outDate.dayShortName
$255 $240 $255 $356
08 October Oct Monday $outDate.dayShortName
$371 $361 $329
09 October Oct Tuesday $outDate.dayShortName
$261 $264
10 October Oct Wednesday $outDate.dayShortName
$271 $222 $302
11 October Oct Thursday $outDate.dayShortName
$282 $235 $294 $213 $302
12 October Oct Friday $outDate.dayShortName
$348 $322 $235 $281 $303 $322
13 October Oct Saturday $outDate.dayShortName
$322 $298 $264
Choose when you'd like to depart to Seattle (USA):
Find the cheapest Chicago Seattle flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Chicago - Seattle with these new dates, click on an offer. Want to depart from another city? Choose: Las Vegas - Seattle New York - Seattle London - Seattle Miami - Seattle San Francisco - Seattle See more routes

Airlines operating flights from Chicago to Seattle

  • any
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
  • March 2019
  • April 2019
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • all
  • Alaska Airlines
  • American Airlines
  • Delta Air Lines
  • Frontier Airlines
  • Spirit Airlines
  • United Airlines
Spirit Airlines
outbound: Oct 23, 2018
Spirit Airlines 1 stop
return: Oct 29, 2018
Spirit Airlines 1 stop
Frontier Airlines
outbound: Oct 25, 2018
Frontier Airlines 1 stop
return: Oct 29, 2018
Frontier Airlines 1 stop
Alaska Airlines
outbound: Oct 23, 2018
Alaska Airlines direct
return: Oct 28, 2018
Alaska Airlines direct
United Airlines
outbound: Oct 23, 2018
United Airlines 1 stop
return: Oct 28, 2018
Frontier Airlines 1 stop
Delta Air Lines
outbound: Nov 1, 2018
Delta Air Lines direct
return: Nov 5, 2018
Delta Air Lines direct
American Airlines
outbound: Nov 10, 2018
American Airlines direct
return: Nov 14, 2018
American Airlines direct

Travel tips for flights Chicago - Seattle

Average flight duration: 4h19m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Sep 22, 2018 9:01 PM, GMT-7
  • Weather:
  • min. 51ºF, max. 62ºF
  • Departure city:
  • Chicago, USA
  • Airport(s):
  • Midway International Airport (MDW)
  • O'Hare International Airport (ORD)
  • Local time:
  • Sep 22, 2018 11:01 PM, GMT-5
  • Weather:
  • min. 61ºF, max. 71ºF