Cheap Flights from Seattle to Chicago
Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Chicago
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 Seattle to Chicago
Explore current cheapest deals departing from Seattle to Chicago
Round trip
Sort by: Cheapest
October 28 - November 17
SEA - Chicago
$245
$189
Round trip
November 4 - November 17
SEA - Chicago
$250
$189
Round trip
October 22 - November 17
SEA - Chicago
$238
$205
Round trip
October 15 - October 20
SEA - Chicago
$269
$205
Round trip
October 1 - October 20
SEA - Chicago
$228
$205
Round trip
August 11 - August 18
SEA - Chicago
$184
$206
Round trip
November 2 - November 17
SEA - Chicago
$243
$206
Round trip
November 6 - November 17
SEA - Chicago
$251
$207
Round trip
November 3 - November 17
SEA - Chicago
$247
$208
Round trip
September 23 - September 29
SEA - Chicago
$197
$226
Round trip
Unlock all 500+ flight deals to Chicago and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Seattle to Chicago
How much is a round trip from Seattle to Chicago
Regular price: $209 - $296
Prices for flights from Seattle to Chicago are currently below the regular range.
The regular price range for flights from Seattle to Chicago is between $209 and $296. The current lowest deal is $189 with Frontier Airlines, for travel from Nov 4-Nov 17.
now $189
Low $209
High $296
The cheapest time to fly from Seattle to Chicago
The cheapest month to fly from Seattle to Chicago is January, with a median price of $198. The most expensive month is February, with a median price of $901. Prices are generally lower from January to November.
January
Flights from $198
February
Flights from $901
Direct flights from Seattle to Chicago
Alaska Airlines, Inc.
Southwest Airlines
Last-minute flights going from Seattle to Chicago
Wed, Jun 17
SEA - Chicago
Seattle (SEA) - Chicago (ORD)
Alaska Airlines, Inc.
$548
$348
One-way
Wed, Jun 17
SEA - Chicago
Seattle (SEA) - Chicago (ORD)
Alaska Airlines, Inc.
$542
$348
One-way
Wed, Jun 17
SEA - Chicago
Seattle (SEA) - Chicago (ORD)
Alaska Airlines, Inc.
$487
$348
One-way
Wed, Jun 17
SEA - Chicago
Seattle (SEA) - Chicago (ORD)
Alaska Airlines, Inc.
$539
$390
One-way
Thu, Jun 18
SEA - Chicago
Seattle (SEA) - Chicago (ORD)
Frontier Airlines
$487
$339
One-way
Thu, Jun 18
SEA - Chicago
Seattle (SEA) - Chicago (ORD)
Frontier Airlines
$548
$350
One-way
Biggest price drops on these dates for flights from Seattle to Chicago
Jun 20 - Jun 23
$537 → $337
37%
Jun 17 - Jun 19
$548 → $348
37%
Jun 18 - Jun 20
$548 → $350
36%
Jun 20 - Jun 24
$533 → $337
37%
Popular Airports to fly from Seattle to Chicago
Seattle - Chicago route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Seattle to Chicago are above the typical level, with a median of $319.
📅 Best time to fly
January offers the lowest median price
Historically, January, November, and April offer the lowest median prices for this route.
⏱️ Flight duration
Typically 8h 52m to Chicago
The median flight duration from Seattle to Chicago is 8 hours and 52 minutes.
✈️ Airlines & availability
Direct flights are available from 2 airlines
Alaska Airlines, Inc. and Southwest Airlines offer direct flights on this route.
🏆 Airline highlight
Frontier Airlines has the best recent deal at $189
A recent deal on Frontier Airlines was found for $189 from Seattle to Chicago.
🎯 Booking tip
Deals are frequent for this route
Historically, deals for flights from Seattle to Chicago are frequent, appearing daily.
Seattle main airports to depart from
Seattle–Tacoma International (SEA)
Seattle–Tacoma International is a primary option for flights from Seattle to Chicago, with competitive pricing.
📍 ~20 km from Seattle (reachable by car or train)
💸 Flights from ~$189
Boeing Field (BFI)
Boeing Field offers an alternative departure point for flights from Seattle to Chicago.
📍 ~10 km from Seattle (reachable by car)
💸 Flights from ~$630
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides another departure choice for flights from Seattle to Chicago.
📍 ~5 km from Seattle (reachable by car)
💸 Flights from ~$1194
Chicago main airports to arrive at
O Hare International (ORD)
O'Hare International Airport is a good option for flights from Seattle to Chicago.
📍 ~25 km from Chicago city center (reachable by car)
💸 Flights from ~$189
Chicago Midway International (MDW)
Chicago Midway International Airport is a convenient choice for flights from Seattle to Chicago.
📍 ~15 km from Chicago city center (reachable by car)
💸 Flights from ~$233
Chicago Rockford International (RFD)
Chicago Rockford International Airport serves the Chicago area for flights from Seattle.
📍 ~100 km from Chicago city center (reachable by car)
💸 Flights from ~$297
Airports nearby Chicago used as alternative
General Mitchell International (MKE)
General Mitchell International offers excellent proximity to Chicago with high-frequency flight options and direct rail access.
📍 ~100 km from Chicago (reachable by rail)
💸 Flights from ~$216
South Bend International (SBN)
South Bend International is geographically the closest alternative to Chicago, with direct commuter rail connections.
📍 ~135 km from Chicago (reachable by rail)
💸 Flights from ~$265
Gerald R. Ford International (GRR)
Gerald R. Ford International is a major regional hub, offering a wide range of cabin classes.
📍 ~200 km from Chicago (reachable by car)
💸 Flights from ~$257
Dane County Regional (MSN)
Dane County Regional is a reliable regional airport with consistent service and less congestion.
📍 ~210 km from Chicago (reachable by car)
💸 Flights from ~$295
Fort Wayne International (FWA)
Fort Wayne International provides stable regional service and multiple cabin class options for travelers.
📍 ~240 km from Chicago (reachable by car)
💸 Flights from ~$317
Business & First Class Flight Deals to Chicago
Discover luxury on the budget with premium cabin class on flights from Seattle to Chicago.
Elite
Best Elite deals to Chicago
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SEA
Elite
Aug 25
Chicago, United States
90% AI deal score
$1,510
$753
Save $757
From SEA
Elite
Sep 08
Chicago, United States
90% AI deal score
$1,532
$753
Save $779
From SEA
Elite
Sep 29
Chicago, United States
90% AI deal score
$1,544
$753
Save $791
From SEA
Elite
Oct 27
Chicago, United States
90% AI deal score
$1,488
$753
Save $735
From SEA
Elite
Aug 11
Chicago, United States
90% AI deal score
$1,515
$753
Save $762
From SEA
Elite
Sep 22
Chicago, United States
89% AI deal score
$1,499
$753
Save $746
From SEA
Elite
Sep 15
Chicago, United States
89% AI deal score
$1,512
$753
Save $759
From SEA
Elite
Aug 11
Chicago, United States
88% AI deal score
$1,327
$753
Save $574
From SEA
Elite
Aug 11
Chicago, United States
88% AI deal score
$1,301
$753
Save $548
From SEA
Elite
Sep 02
Chicago, United States
88% AI deal score
$1,368
$753
Save $615
From SEA
Elite
Aug 25
Chicago, United States
88% AI deal score
$1,302
$753
Save $549
From SEA
Elite
Sep 02
Chicago, United States
88% AI deal score
$1,407
$753
Save $654
From SEA
Elite
Aug 25
Chicago, United States
88% AI deal score
$1,322
$753
Save $569
From SEA
Elite
Sep 29
Chicago, United States
88% AI deal score
$1,372
$753
Save $619
From SEA
Elite
Sep 30
Chicago, United States
88% AI deal score
$1,375
$753
Save $622
From SEA
Elite
Sep 30
Chicago, United States
88% AI deal score
$1,388
$753
Save $635
From SEA
Elite
Sep 30
Chicago, United States
88% AI deal score
$1,410
$753
Save $657
From SEA
Elite
Sep 16
Chicago, United States
88% AI deal score
$1,375
$753
Save $622
From SEA
Elite
Sep 22
Chicago, United States
88% AI deal score
$1,360
$753
Save $607
From SEA
Elite
Sep 30
Chicago, United States
88% AI deal score
$1,345
$753
Save $592
From SEA
Elite
Sep 02
Chicago, United States
88% AI deal score
$1,385
$753
Save $632
From SEA
Elite
Sep 30
Chicago, United States
88% AI deal score
$1,414
$753
Save $661
From SEA
Elite
Sep 29
Chicago, United States
88% AI deal score
$1,373
$753
Save $620
From SEA
Elite
Sep 08
Chicago, United States
88% AI deal score
$1,388
$753
Save $635
From SEA
Elite
Sep 29
Chicago, United States
88% AI deal score
$1,412
$753
Save $659
From SEA
Elite
Aug 25
Chicago, United States
88% AI deal score
$1,302
$753
Save $549
From SEA
Elite
Sep 29
Chicago, United States
88% AI deal score
$1,340
$753
Save $587
From SEA
Elite
Sep 29
Chicago, United States
88% AI deal score
$1,402
$753
Save $649
From SEA
Elite
Aug 25
Chicago, United States
88% AI deal score
$1,296
$753
Save $543
From SEA
Elite
Oct 14
Chicago, United States
88% AI deal score
$1,343
$753
Save $590
From SEA
Elite
Oct 20
Chicago, United States
88% AI deal score
$1,357
$753
Save $604
From SEA
Elite
Oct 21
Chicago, United States
88% AI deal score
$1,365
$753
Save $612
From SEA
Elite
Aug 18
Chicago, United States
88% AI deal score
$1,296
$753
Save $543
From SEA
Elite
Aug 12
Chicago, United States
88% AI deal score
$1,329
$753
Save $576
From SEA
Elite
Sep 02
Chicago, United States
87% AI deal score
$1,338
$753
Save $585
From SEA
Elite
Sep 16
Chicago, United States
87% AI deal score
$1,342
$753
Save $589
From SEA
Elite
Sep 02
Chicago, United States
87% AI deal score
$1,338
$753
Save $585
From SEA
Elite
Sep 16
Chicago, United States
87% AI deal score
$1,312
$753
Save $559
From SEA
Elite
Sep 16
Chicago, United States
87% AI deal score
$1,312
$753
Save $559
From SEA
Elite
Sep 22
Chicago, United States
87% AI deal score
$1,337
$753
Save $584
From SEA
Elite
Sep 22
Chicago, United States
87% AI deal score
$1,309
$753
Save $556
From SEA
Elite
Sep 01
Chicago, United States
87% AI deal score
$1,332
$753
Save $579
From SEA
Elite
Sep 16
Chicago, United States
87% AI deal score
$1,312
$753
Save $559
From SEA
Elite
Sep 22
Chicago, United States
87% AI deal score
$1,339
$753
Save $586
From SEA
Elite
Sep 16
Chicago, United States
87% AI deal score
$1,312
$753
Save $559
From SEA
Elite
Sep 22
Chicago, United States
87% AI deal score
$1,309
$753
Save $556
From SEA
Elite
Aug 11
Chicago, United States
87% AI deal score
$1,359
$799
Save $560
From SEA
Elite
Aug 25
Chicago, United States
86% AI deal score
$1,190
$799
Save $391
From SEA
Elite
Jul 16
Chicago, United States
86% AI deal score
$2,420
$1,472
Save $948
From SEA
Elite
Aug 11
Chicago, United States
85% AI deal score
$1,307
$855
Save $452
From SEA
Elite
Aug 18
Chicago, United States
85% AI deal score
$1,042
$753
Save $289
From SEA
Elite
Aug 18
Chicago, United States
85% AI deal score
$1,046
$753
Save $293
From SEA
Elite
Aug 05
Chicago, United States
85% AI deal score
$1,059
$753
Save $306
From SEA
Elite
Aug 05
Chicago, United States
85% AI deal score
$1,030
$753
Save $277
From SEA
Elite
Jul 16
Chicago, United States
85% AI deal score
$2,485
$1,611
Save $874
From SEA
Elite
Aug 18
Chicago, United States
84% AI deal score
$974
$753
Save $221
From SEA
Elite
Aug 05
Chicago, United States
84% AI deal score
$988
$753
Save $235
From SEA
Elite
Aug 05
Chicago, United States
84% AI deal score
$989
$753
Save $236
From SEA
Elite
Oct 27
Chicago, United States
84% AI deal score
$1,089
$753
Save $336
From SEA
Elite
Jun 24
Chicago, United States
83% AI deal score
$1,572
$1,067
Save $505
From SEA
Elite
Sep 01
Chicago, United States
83% AI deal score
$997
$753
Save $244
From SEA
Elite
Aug 12
Chicago, United States
83% AI deal score
$1,025
$799
Save $226
From SEA
Elite
Aug 11
Chicago, United States
83% AI deal score
$1,012
$799
Save $213
From SEA
Elite
Aug 12
Chicago, United States
83% AI deal score
$1,029
$799
Save $230
From SEA
Elite
Aug 11
Chicago, United States
83% AI deal score
$1,025
$799
Save $226
From SEA
Elite
Aug 13
Chicago, United States
83% AI deal score
$1,030
$799
Save $231
From SEA
Elite
Aug 25
Chicago, United States
83% AI deal score
$1,007
$799
Save $208
From SEA
Elite
Aug 25
Chicago, United States
83% AI deal score
$1,003
$799
Save $204
From SEA
Elite
Aug 12
Chicago, United States
82% AI deal score
$1,307
$957
Save $350
From SEA
Elite
Sep 01
Chicago, United States
82% AI deal score
$953
$753
Save $200
From SEA
Elite
Jul 28
Chicago, United States
82% AI deal score
$942
$799
Save $143
From SEA
Elite
Jul 28
Chicago, United States
82% AI deal score
$942
$799
Save $143
From SEA
Elite
Aug 27
Chicago, United States
82% AI deal score
$1,196
$787
Save $409
From SEA
Elite
Aug 13
Chicago, United States
82% AI deal score
$1,187
$787
Save $400
From SEA
Elite
Oct 23
Chicago, United States
81% AI deal score
$1,105
$787
Save $318
From SEA
Elite
Aug 25
Chicago, United States
81% AI deal score
$1,140
$787
Save $353
From SEA
Elite
Aug 31
Chicago, United States
81% AI deal score
$1,127
$787
Save $340
From SEA
Elite
Aug 19
Chicago, United States
81% AI deal score
$1,164
$787
Save $377
From SEA
Elite
Oct 16
Chicago, United States
81% AI deal score
$1,114
$787
Save $327
From SEA
Elite
Sep 18
Chicago, United States
76% AI deal score
$1,107
$901
Save $206
From SEA
Elite
Oct 20
Chicago, United States
76% AI deal score
$1,068
$787
Save $281
From SEA
Elite
Oct 10
Chicago, United States
76% AI deal score
$1,082
$787
Save $295
From SEA
Elite
Oct 19
Chicago, United States
76% AI deal score
$1,081
$787
Save $294
From SEA
Elite
Sep 11
Chicago, United States
76% AI deal score
$1,093
$787
Save $306
From SEA
Elite
Sep 18
Chicago, United States
76% AI deal score
$1,089
$787
Save $302
From SEA
Elite
Sep 14
Chicago, United States
76% AI deal score
$1,093
$787
Save $306
From SEA
Elite
Oct 15
Chicago, United States
76% AI deal score
$1,091
$787
Save $304
From SEA
Elite
Sep 10
Chicago, United States
76% AI deal score
$1,087
$787
Save $300
From SEA
Elite
Oct 17
Chicago, United States
76% AI deal score
$1,091
$787
Save $304
From SEA
Elite
Sep 03
Chicago, United States
75% AI deal score
$1,059
$787
Save $272
From SEA
Elite
Sep 29
Chicago, United States
75% AI deal score
$1,035
$787
Save $248
From SEA
Elite
Sep 16
Chicago, United States
75% AI deal score
$1,077
$787
Save $290
From SEA
Elite
Sep 09
Chicago, United States
75% AI deal score
$1,030
$787
Save $243
From SEA
Elite
Sep 08
Chicago, United States
75% AI deal score
$1,072
$787
Save $285
From SEA
Elite
Aug 11
Chicago, United States
74% AI deal score
$983
$901
Save $82
From SEA
Elite
Aug 12
Chicago, United States
74% AI deal score
$987
$901
Save $86
From SEA
Elite
Oct 30
Chicago, United States
74% AI deal score
$1,146
$975
Save $171
From SEA
Elite
Nov 02
Chicago, United States
74% AI deal score
$943
$787
Save $156
From SEA
Elite
Nov 10
Chicago, United States
74% AI deal score
$952
$787
Save $165
From SEA
Elite
Sep 01
Chicago, United States
74% AI deal score
$1,018
$787
Save $231