Cheap Flights from Chicago to Seattle
Browse current best options from Chicago. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Chicago
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Chicago to Seattle
Explore current cheapest deals departing from Chicago to Seattle
Round trip
Sort by: Cheapest
October 20 - November 4
ORD - Seattle
$268
$189
Round trip
October 20 - October 28
ORD - Seattle
$291
$189
Round trip
October 20 - October 22
ORD - Seattle
$302
$205
Round trip
October 7 - October 14
ORD - Seattle
$234
$206
Round trip
October 20 - November 18
ORD - Seattle
$264
$206
Round trip
November 17 - November 18
ORD - Seattle
$341
$206
Round trip
December 9 - December 16
ORD - Seattle
$348
$209
Round trip
August 13 - August 18
ORD - Everett
$395
$222
Round trip
September 8 - September 22
ORD - Seattle
$195
$225
Round trip
August 4 - August 25
ORD - Seattle
$172
$226
Round trip
Unlock all 500+ flight deals to Seattle and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Chicago to Seattle
How much is a round trip from Chicago to Seattle
Regular price: $233 - $305
Prices are currently below the regular range.
The regular price range for flights from Chicago to Seattle is $233 to $305. The current lowest deal is $189 with Frontier Airlines, for travel from Oct 20-Oct 28.
now $189
Low $233
High $305
The cheapest time to fly from Chicago to Seattle
The cheapest month to fly from Chicago to Seattle is December, with a median price of $120. The most expensive month is July, with a median price of $444. Prices are generally lower from April to December.
December
Flights from $120
July
Flights from $444
Direct flights from Chicago to Seattle
Alaska Airlines, Inc.
Last-minute flights going from Chicago to Seattle
Fri, Jul 3
MDW - Seattle
Chicago (MDW) - Seattle (SEA)
$521
$365
One-way
Mon, Jul 6
ORD - Everett
Chicago (ORD) - Everett (PAE)
Alaska Airlines, Inc.
$401
$316
One-way
Mon, Jul 6
ORD - Everett
Chicago (ORD) - Everett (PAE)
Alaska Airlines, Inc.
$415
$343
One-way
Mon, Jul 6
ORD - Everett
Chicago (ORD) - Everett (PAE)
Alaska Airlines, Inc.
$418
$347
One-way
Mon, Jul 6
ORD - Everett
Chicago (ORD) - Everett (PAE)
Alaska Airlines, Inc.
$372
$349
One-way
Tue, Jul 7
MDW - Seattle
Chicago (MDW) - Seattle (SEA)
$509
$370
One-way
Biggest price drops on these dates for flights from Chicago to Seattle
Aug 13 - Aug 18
$395 → $222
44%
Jul 31 - Aug 5
$475 → $309
35%
Jul 3 - Jul 6
$521 → $365
30%
Jul 9 - Jul 13
$505 → $355
30%
Popular Airports to fly from Chicago to Seattle
Chicago - Seattle route insights
💸 Price insights
Recent fares are below the typical level.
Recent fares from Chicago to Seattle are below the typical level for this route.
📅 Best time to fly
December is historically the cheapest month to fly.
Historically, December is the cheapest month to fly from Chicago to Seattle, with a median price of $120.
⏱️ Flight duration
Flights typically take 8h 49m.
The typical flight duration from Chicago to Seattle is 8 hours and 49 minutes.
✈️ Airlines & availability
68.2% of deals are for direct flights.
Most deals for this route are for direct flights, with 68.2% of deals being direct.
🏆 Airline highlight
Alaska Airlines, Inc. offers direct flights.
Alaska Airlines, Inc. is one airline that offers direct flights on the Chicago to Seattle route.
🎯 Booking tip
Deals appear frequently for this route.
Deals for flights from Chicago to Seattle appear frequently, with over 1 deal per day.
Chicago main airports to depart from
O Hare International (ORD)
O'Hare International Airport offers flights to Seattle, providing a convenient departure option from Chicago.
📍 ~25 km from Chicago (reachable by car or train)
💸 Flights from ~$189
Chicago Midway International (MDW)
Chicago Midway International Airport is an alternative for flights to Seattle from the Chicago area.
📍 ~15 km from Chicago (reachable by car or train)
💸 Flights from ~$226
Chicago Rockford International (RFD)
Chicago Rockford International Airport serves as another departure point for flights to Seattle.
📍 ~120 km from Chicago (reachable by car)
💸 Flights from ~$300
Seattle main airports to arrive at
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a primary arrival option for flights from Chicago to Seattle.
📍 ~19 km from Seattle city center (reachable by car)
💸 Flights from ~$189
Boeing Field (BFI)
Boeing Field offers an alternative arrival point for travelers flying from Chicago to Seattle.
📍 ~10 km from Seattle city center (reachable by car)
💸 Flights from ~$639
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base is an option for specific travel needs from Chicago to Seattle.
📍 ~3 km from Seattle city center (reachable by car)
💸 Flights from ~$1087
Airports nearby Seattle used as alternative
Paine Field Everett (PAE)
Paine Field Everett offers a convenient alternative for North Seattle residents with shorter security wait times.
📍 ~35 km from Seattle (reachable by car)
💸 Flights from ~$286
Portland International (PDX)
Portland International is a major hub that rivals SEA, often providing competitive fares for long-haul flights.
📍 ~230 km from Seattle (reachable by car or train)
💸 Flights from ~$202
Vancouver International (YVR)
Vancouver International is a major international gateway with extensive flight options, potentially offering lower fares.
📍 ~230 km from Seattle (reachable by car, requires international border crossing)
💸 Flights from ~$319
Bellingham International (BLI)
Bellingham International is a primary low-cost carrier airport, often featuring budget-friendly fares.
📍 ~145 km from Seattle (reachable by car)
💸 Flights from ~$287
Abbotsford International (YXX)
Abbotsford International is an alternative low-cost gateway for Canadian domestic connections, occasionally offering cheaper flights.
📍 ~180 km from Seattle (reachable by car, requires international border crossing)
💸 Flights from ~$302
Business & First Class Flight Deals to Seattle
Discover luxury on the budget with premium cabin class on flights from Chicago to Seattle.
Elite
Best Elite deals to Seattle
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From ORD
Elite
Aug 04
Seattle, United States
85% AI deal score
$1,053
$753
Save $300
From ORD
Elite
Sep 15
Seattle, United States
84% AI deal score
$1,079
$753
Save $326
From ORD
Elite
Aug 11
Seattle, United States
84% AI deal score
$1,039
$753
Save $286
From ORD
Elite
Aug 25
Seattle, United States
84% AI deal score
$989
$753
Save $236
From ORD
Elite
Aug 26
Seattle, United States
84% AI deal score
$993
$753
Save $240
From ORD
Elite
Aug 25
Seattle, United States
84% AI deal score
$1,010
$753
Save $257
From ORD
Elite
Aug 26
Seattle, United States
84% AI deal score
$1,012
$753
Save $259
From MDW
Elite
Aug 21
Seattle, United States
84% AI deal score
$1,591
$857
Save $734
From MDW
Elite
Oct 01
Seattle, United States
84% AI deal score
$1,509
$857
Save $652
From ORD
Elite
Sep 09
Seattle, United States
83% AI deal score
$1,012
$753
Save $259
From ORD
Elite
Sep 23
Seattle, United States
83% AI deal score
$1,021
$753
Save $268
From ORD
Elite
Sep 09
Seattle, United States
83% AI deal score
$1,017
$753
Save $264
From ORD
Elite
Oct 20
Seattle, United States
83% AI deal score
$999
$753
Save $246
From ORD
Elite
Sep 15
Seattle, United States
82% AI deal score
$967
$753
Save $214
From ORD
Elite
Aug 26
Seattle, United States
82% AI deal score
$954
$753
Save $201
From ORD
Elite
Sep 15
Seattle, United States
82% AI deal score
$993
$753
Save $240
From ORD
Elite
Aug 26
Seattle, United States
82% AI deal score
$913
$753
Save $160
From ORD
Elite
Sep 15
Seattle, United States
82% AI deal score
$969
$753
Save $216
From ORD
Elite
Sep 16
Seattle, United States
82% AI deal score
$998
$753
Save $245
From ORD
Elite
Sep 16
Seattle, United States
82% AI deal score
$977
$753
Save $224
From ORD
Elite
Sep 09
Seattle, United States
82% AI deal score
$961
$753
Save $208
From ORD
Elite
Aug 26
Seattle, United States
82% AI deal score
$913
$753
Save $160
From ORD
Elite
Sep 09
Seattle, United States
82% AI deal score
$961
$753
Save $208
From ORD
Elite
Sep 09
Seattle, United States
82% AI deal score
$995
$753
Save $242
From ORD
Elite
Sep 16
Seattle, United States
82% AI deal score
$969
$753
Save $216
From ORD
Elite
Oct 28
Seattle, United States
82% AI deal score
$948
$753
Save $195
From ORD
Elite
Oct 28
Seattle, United States
82% AI deal score
$959
$753
Save $206
From ORD
Elite
Sep 15
Seattle, United States
82% AI deal score
$950
$753
Save $197
From ORD
Elite
Sep 16
Seattle, United States
82% AI deal score
$947
$753
Save $194
From ORD
Elite
Sep 23
Seattle, United States
82% AI deal score
$970
$753
Save $217
From ORD
Elite
Sep 15
Seattle, United States
82% AI deal score
$985
$753
Save $232
From ORD
Elite
Aug 05
Seattle, United States
82% AI deal score
$951
$753
Save $198
From ORD
Elite
Sep 23
Seattle, United States
82% AI deal score
$956
$753
Save $203
From MDW
Elite
Jul 03
Seattle, United States
82% AI deal score
$1,565
$977
Save $588
From ORD
Elite
Oct 13
Seattle, United States
81% AI deal score
$925
$753
Save $172
From ORD
Elite
Oct 13
Seattle, United States
81% AI deal score
$925
$753
Save $172
From ORD
Elite
Oct 14
Seattle, United States
81% AI deal score
$925
$753
Save $172
From ORD
Elite
Oct 28
Seattle, United States
81% AI deal score
$922
$753
Save $169
From ORD
Elite
Oct 06
Seattle, United States
81% AI deal score
$918
$753
Save $165
From ORD
Elite
Oct 28
Seattle, United States
81% AI deal score
$922
$753
Save $169
From ORD
Elite
Oct 14
Seattle, United States
81% AI deal score
$925
$753
Save $172
From ORD
Elite
Oct 07
Seattle, United States
81% AI deal score
$915
$753
Save $162
From ORD
Elite
Oct 20
Seattle, United States
81% AI deal score
$926
$753
Save $173
From ORD
Elite
Oct 20
Seattle, United States
81% AI deal score
$927
$753
Save $174
From MDW
Elite
Oct 03
Seattle, United States
78% AI deal score
$1,251
$977
Save $274
From ORD
Elite
Oct 07
Seattle, United States
77% AI deal score
$915
$753
Save $162
From ORD
Elite
Oct 06
Seattle, United States
76% AI deal score
$911
$753
Save $158
From ORD
Elite
Sep 15
Seattle, United States
76% AI deal score
$879
$753
Save $126
From ORD
Elite
Aug 21
Seattle, United States
76% AI deal score
$1,056
$787
Save $269
From ORD
Elite
Aug 11
Seattle, United States
76% AI deal score
$1,056
$787
Save $269
From ORD
Elite
Aug 11
Seattle, United States
76% AI deal score
$1,046
$787
Save $259
From ORD
Elite
Aug 11
Seattle, United States
76% AI deal score
$1,063
$787
Save $276
From ORD
Elite
Aug 10
Seattle, United States
76% AI deal score
$1,046
$787
Save $259
From ORD
Elite
Aug 10
Seattle, United States
76% AI deal score
$1,056
$787
Save $269
From ORD
Elite
Aug 10
Seattle, United States
76% AI deal score
$1,063
$787
Save $276
From ORD
Elite
Dec 08
Seattle, United States
75% AI deal score
$907
$787
Save $120
From ORD
Elite
Aug 19
Seattle, United States
75% AI deal score
$1,007
$787
Save $220
From ORD
Elite
Aug 13
Seattle, United States
75% AI deal score
$1,025
$787
Save $238
From ORD
Elite
Aug 13
Seattle, United States
75% AI deal score
$1,037
$787
Save $250
From ORD
Elite
Aug 19
Seattle, United States
75% AI deal score
$1,008
$787
Save $221
From ORD
Elite
Aug 10
Seattle, United States
75% AI deal score
$1,037
$787
Save $250
From ORD
Elite
Jun 23
Seattle, United States
74% AI deal score
$1,285
$1,067
Save $218
From ORD
Elite
Sep 07
Seattle, United States
74% AI deal score
$983
$787
Save $196
From ORD
Elite
Sep 03
Seattle, United States
74% AI deal score
$973
$787
Save $186
From ORD
Elite
Oct 08
Seattle, United States
74% AI deal score
$968
$787
Save $181
From ORD
Elite
Oct 01
Seattle, United States
74% AI deal score
$995
$787
Save $208
From ORD
Elite
Oct 07
Seattle, United States
74% AI deal score
$952
$787
Save $165
From ORD
Elite
Oct 01
Seattle, United States
74% AI deal score
$951
$787
Save $164
From ORD
Elite
Sep 25
Seattle, United States
74% AI deal score
$1,001
$787
Save $214
From ORD
Elite
Oct 01
Seattle, United States
74% AI deal score
$969
$787
Save $182
From ORD
Elite
Oct 07
Seattle, United States
74% AI deal score
$952
$787
Save $165
From ORD
Elite
Sep 17
Seattle, United States
74% AI deal score
$993
$787
Save $206
From ORD
Elite
Sep 18
Seattle, United States
74% AI deal score
$994
$787
Save $207
From ORD
Elite
Sep 04
Seattle, United States
74% AI deal score
$958
$787
Save $171
From ORD
Elite
Sep 10
Seattle, United States
74% AI deal score
$976
$787
Save $189
From ORD
Elite
Sep 05
Seattle, United States
73% AI deal score
$919
$787
Save $132
From ORD
Elite
Sep 14
Seattle, United States
73% AI deal score
$934
$787
Save $147
From ORD
Elite
Sep 08
Seattle, United States
73% AI deal score
$923
$787
Save $136
From MDW
Elite
Aug 11
Seattle, United States
72% AI deal score
$1,331
$1,077
Save $254
From MDW
Elite
Jul 02
Seattle, United States
72% AI deal score
$1,501
$1,187
Save $314
From MDW
Elite
Aug 20
Seattle, United States
72% AI deal score
$1,584
$1,202
Save $382
From MDW
Elite
Jun 29
Seattle, United States
72% AI deal score
$1,540
$1,237
Save $303
From ORD
Elite
Nov 03
Seattle, United States
72% AI deal score
$852
$787
Save $65
From ORD
Elite
Nov 04
Seattle, United States
72% AI deal score
$863
$787
Save $76
From MDW
Elite
Sep 17
Seattle, United States
71% AI deal score
$1,459
$1,227
Save $232
From MDW
Elite
Jul 11
Seattle, United States
70% AI deal score
$1,496
$1,277
Save $219
From MDW
Elite
Jul 30
Seattle, United States
69% AI deal score
$1,238
$1,127
Save $111
From MDW
Elite
Aug 03
Seattle, United States
69% AI deal score
$1,545
$1,357
Save $188
From MDW
Elite
Jul 10
Seattle, United States
69% AI deal score
$1,582
$1,437
Save $145
From MDW
Elite
Jul 03
Seattle, United States
68% AI deal score
$1,321
$1,227
Save $94
From MDW
Elite
Jul 14
Seattle, United States
68% AI deal score
$1,552
$1,437
Save $115
From MDW
Elite
Jul 21
Seattle, United States
67% AI deal score
$1,239
$1,197
Save $42
From MDW
Elite
Aug 01
Seattle, United States
67% AI deal score
$1,358
$1,327
Save $31
From MDW
Elite
Aug 07
Seattle, United States
67% AI deal score
$1,657
$1,597
Save $60
From MDW
Elite
Jun 19
Seattle, United States
67% AI deal score
$1,981
$1,897
Save $84
From MDW
Elite
Jul 09
Seattle, United States
49% AI deal score
$1,327
From MDW
Elite
Jul 07
Seattle, United States
49% AI deal score
$1,347
From MDW
Elite
Aug 03
Seattle, United States
49% AI deal score
$1,357
From ORD
Elite
Jun 24
Seattle, United States
48% AI deal score
$2,167
From ORD
Elite
Jun 20
Seattle, United States
48% AI deal score
$2,174