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Cheap flights from Seattle to Chicago

61 nonstop flights a week, 7 of them today. Operated by 5 airlines, about 4h 6m in the air, 1,733 mi (2,789 km). Tickets from $122.

Flights from Seattle to Chicago

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Seattle to Chicago

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Seattle to Chicago

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $122 8 December 2026, nonstop Cheapest nonstop $122 8 December 2026, American Airlines Cheapest in the next 7 days $171 13 November, Fri Cheapest weekend departure $159 Sat, 21 November 2026 Cheapest month December 2026 tickets from $122

Seattle to Chicago at a glance

flight time, from 3h 45m to 14h 59m
4h 6m
straight-line distance
1,733 mi (2,789 km)
flights a week
61
flights today
7
first and last departure
00:15 - 10:43
lowest price, nonstop, 8 December
$122
average across months
$140
airlines
5

Seattle to Chicago ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $122. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $159. The average across months is $140.

Seattle to Chicago flight schedule

61 flights a week, 7 today, 53 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 4975
Southwest Airlines
00:15 Seattle-Tacoma International
06:05 Chicago Midway International
3h 50m
Mon, Tue, Fri, Sat, Sun
WN 1451
Southwest Airlines
05:30 Seattle-Tacoma International
11:20 Chicago Midway International
3h 50m
Mon, Thu, Fri, Sun
Boeing 737
WN 3827
Southwest Airlines
05:50 Seattle-Tacoma International
11:40 Chicago Midway International
3h 50m
Sat
Boeing 737
AA 2976
American Airlines
06:09 Seattle-Tacoma International
12:26 , terminal 3
4h 17m
Mon, Thu, Fri, Sat
Airbus A321
AA 2976
American Airlines
06:10 Seattle-Tacoma International
12:26 , terminal 3
4h 16m
Sun
Airbus A321
AA 2761
American Airlines
06:14 Seattle-Tacoma International
12:26 , terminal 3
4h 12m
Daily
Airbus A321
WN 1550
Southwest Airlines
06:30 Seattle-Tacoma International
12:25 Chicago Midway International
3h 55m
Mon, Tue, Wed, Thu
Boeing 737
UA 2618
United Airlines
07:00 Seattle-Tacoma International
13:10 , terminal 1
4h 10m
Daily
Boeing 737
DL 2055
Delta
07:27 Seattle-Tacoma International
13:37 , terminal 5
4h 10m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737-800
DL 2055
Delta
07:45 Seattle-Tacoma International
13:58 , terminal 5
4h 13m
Sat
Boeing 737-800
AS 407
Alaska Airlines
08:08 Seattle-Tacoma International
14:21 , terminal 2
4h 13m
Mon, Fri, Sat, Sun
Boeing 737
AS 407
Alaska Airlines
08:44 Seattle-Tacoma International
15:00 , terminal 2
4h 16m
Daily
Boeing 737-900
AA 2112
American Airlines
10:33 Seattle-Tacoma International
16:49 , terminal 3
4h 16m
Mon, Thu, Fri, Sat, Sun
Boeing 737-800
DL 637
Delta
10:39 Seattle-Tacoma International
16:47 , terminal 5
4h 8m
Daily
Airbus A220-300
AA 2112
American Airlines
10:43 Seattle-Tacoma International
16:55 , terminal 3
4h 12m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737-800

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 3827
Southwest Airlines
06:15 Seattle-Tacoma International
12:05 Chicago Midway International
3h 50m
Seasonal
Boeing 737
WN 1451
Southwest Airlines
06:40 Seattle-Tacoma International
12:25 Chicago Midway International
3h 45m
Seasonal
Boeing 737
WN 3566
Southwest Airlines
05:15 Seattle-Tacoma International
11:05 Chicago Midway International
3h 50m
Seasonal
UA 2135
United Airlines
07:00 Seattle-Tacoma International
23:59 , terminal 1
14h 59m
Seasonal
Boeing 737
DL 2055
Delta
07:20 Seattle-Tacoma International
13:30 , terminal 5
4h 10m
Seasonal
Boeing 737-800
AS 407
Alaska Airlines
08:09 Seattle-Tacoma International
14:21 , terminal 2
4h 12m
Seasonal
Boeing 737-900
AS 429
Alaska Airlines
10:22 Seattle-Tacoma International
16:31 , terminal 2
4h 9m
Seasonal
Boeing 737-900
AA 2273
American Airlines
06:20 Seattle-Tacoma International
12:26 , terminal 3
4h 6m
Seasonal
Airbus A321
WN 690
Southwest Airlines
08:20 Seattle-Tacoma International
14:20 Chicago Midway International
4h
Seasonal
Boeing 737
AS 1645
Alaska Airlines
00:36 Seattle-Tacoma International
06:40 , terminal 2
4h 4m
Seasonal
Boeing 737-900
AA 2876
American Airlines
06:29 Seattle-Tacoma International
12:35 , terminal 3
4h 6m
Seasonal
Airbus A321
AS 407
Alaska Airlines
09:00 Seattle-Tacoma International
15:09 , terminal 2
4h 9m
Seasonal
Boeing 737-900
DL 1564
Delta
07:15 Seattle-Tacoma International
13:32 , terminal 5
4h 17m
Seasonal
Airbus A220-300
AS 407
Alaska Airlines
08:11 Seattle-Tacoma International
14:21 , terminal 2
4h 10m
Seasonal
Boeing 737-900
AA 2069
American Airlines
06:06 Seattle-Tacoma International
12:19 , terminal 3
4h 13m
Seasonal
Airbus A321
WN 3490
Southwest Airlines
06:35 Seattle-Tacoma International
12:25 Chicago Midway International
3h 50m
Seasonal
Boeing 737
AA 2202
American Airlines
10:17 Seattle-Tacoma International
16:29 , terminal 3
4h 12m
Seasonal
Boeing 737-800
WN 333
Southwest Airlines
10:45 Seattle-Tacoma International
16:40 Chicago Midway International
3h 55m
Seasonal
Boeing 737
WN 3490
Southwest Airlines
08:10 Seattle-Tacoma International
14:10 Chicago Midway International
4h
Seasonal
Boeing 737
WN 3490
Southwest Airlines
05:30 Seattle-Tacoma International
11:20 Chicago Midway International
3h 50m
Seasonal
Boeing 737
WN 3490
Southwest Airlines
06:15 Seattle-Tacoma International
12:05 Chicago Midway International
3h 50m
Seasonal
Boeing 737
AA 2069
American Airlines
06:19 Seattle-Tacoma International
12:24 , terminal 3
4h 5m
Seasonal
Airbus A321
AS 265
Alaska Airlines
08:03 Seattle-Tacoma International
14:12 , terminal 2
4h 9m
Seasonal
Boeing 737-900
AA 1930
American Airlines
10:38 Seattle-Tacoma International
16:48 , terminal 3
4h 10m
Seasonal
Boeing 737-800
WN 603
Southwest Airlines
06:15 Seattle-Tacoma International
12:05 Chicago Midway International
3h 50m
Seasonal
AA 2398
American Airlines
10:38 Seattle-Tacoma International
16:48 , terminal 3
4h 10m
Seasonal
Boeing 737-800
WN 2874
Southwest Airlines
05:30 Seattle-Tacoma International
11:25 Chicago Midway International
3h 55m
Seasonal
Boeing 737
WN 3485
Southwest Airlines
00:10 Seattle-Tacoma International
06:05 Chicago Midway International
3h 55m
Seasonal
WN 3385
Southwest Airlines
00:10 Seattle-Tacoma International
06:05 Chicago Midway International
3h 55m
Seasonal
WN 3552
Southwest Airlines
05:30 Seattle-Tacoma International
11:25 Chicago Midway International
3h 55m
Seasonal
Boeing 737
WN 3385
Southwest Airlines
00:05 Seattle-Tacoma International
07:00 Chicago Midway International
3h 55m
Seasonal
WN 2874
Southwest Airlines
05:20 Seattle-Tacoma International
11:15 Chicago Midway International
3h 55m
Seasonal
Boeing 737
WN 2085
Southwest Airlines
05:55 Seattle-Tacoma International
11:45 Chicago Midway International
3h 50m
Seasonal
Boeing 737
WN 4975
Southwest Airlines
00:10 Seattle-Tacoma International
06:10 Chicago Midway International
4h
Seasonal
WN 3732
Southwest Airlines
05:25 Seattle-Tacoma International
11:25 Chicago Midway International
4h
Seasonal
Boeing 737
AA 885
American Airlines
07:00 Seattle-Tacoma International
13:17 , terminal 3
4h 17m
Seasonal
Boeing 737-800
WN 1347
Southwest Airlines
10:10 Seattle-Tacoma International
16:15 Chicago Midway International
4h 5m
Seasonal
Boeing 737
WN 3732
Southwest Airlines
05:20 Seattle-Tacoma International
11:20 Chicago Midway International
4h
Seasonal
Boeing 737
WN 4975
Southwest Airlines
00:05 Seattle-Tacoma International
06:05 Chicago Midway International
4h
Seasonal
WN 2807
Southwest Airlines
07:40 Seattle-Tacoma International
13:50 Chicago Midway International
4h 10m
Seasonal
WN 3732
Southwest Airlines
06:15 Seattle-Tacoma International
12:15 Chicago Midway International
4h
Seasonal
Boeing 737
AS 1508
Alaska Airlines
00:30 Seattle-Tacoma International
06:35 , terminal 2
4h 5m
Seasonal
Boeing 737-900
AA 885
American Airlines
06:00 Seattle-Tacoma International
12:19 , terminal 3
4h 19m
Seasonal
Airbus A321
AA 2775
American Airlines
10:27 Seattle-Tacoma International
16:54 , terminal 3
4h 27m
Seasonal
Airbus A321
AS 1508
Alaska Airlines
00:09 Seattle-Tacoma International
06:14 , terminal 2
4h 5m
Seasonal
Boeing 737-900
AS 265
Alaska Airlines
08:10 Seattle-Tacoma International
14:19 , terminal 2
4h 9m
Seasonal
Boeing 737-900
AS 429
Alaska Airlines
10:31 Seattle-Tacoma International
16:40 , terminal 2
4h 9m
Seasonal
Boeing 737-900
WN 4374
Southwest Airlines
05:30 Seattle-Tacoma International
11:25 Chicago Midway International
3h 55m
Seasonal
WN 4374
Southwest Airlines
05:15 Seattle-Tacoma International
11:10 Chicago Midway International
3h 55m
Seasonal
Boeing 737
AS 1580
Alaska Airlines
06:00 Seattle-Tacoma International
12:05 , terminal 2
4h 5m
Seasonal
Boeing 737-900
AA 2775
American Airlines
10:22 Seattle-Tacoma International
16:53 , terminal 3
4h 31m
Seasonal
Boeing 737-800
AA 885
American Airlines
05:50 Seattle-Tacoma International
12:07 , terminal 3
4h 17m
Seasonal
Airbus A321
AA 2775
American Airlines
10:19 Seattle-Tacoma International
16:46 , terminal 3
4h 27m
Seasonal
Boeing 737-800

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Chicago is 2 hours ahead of Seattle. The search shows seat availability and the price for your date.

Airlines flying Seattle to Chicago

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

American Airlines19 a week Southwest Airlines14 a week Delta14 a week Alaska Airlines7 a week United Airlines7 a week

Airports

Where flights from Seattle to Chicago depart and land

Departure from Seattle

Seattle-Tacoma International SEA

61 flights a week, 11 mi (18 km) from the city centre

About the airport

Arrival in Chicago

Chicago Midway International MDW

14 flights a week, 9 mi (14 km) from the city centre

About the airport

When to visit Chicago

Weather by month

Best time to visit: May, June, July, August, September and October, +18° to +27° by day. In November it is +10° by day and +2° at night, with 7 rainy days.

Jan
0° −7° 10 days
Feb
+2° −6° 7 days
Mar
+9° 0° 12 days
Apr
+14° +5° 13 days
May
+19° +10° 11 days
Jun
+27° +17° 9 days
Jul
+27° +19° 12 days
Aug
+27° +19° 10 days
Sep
+24° +16° 7 days
Oct
+18° +10° 11 days
Nov
+10° +2° 7 days
Dec
+4° −3° 10 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Seattle to Chicago?
A nonstop flight takes 4 hours 6 minutes on average, from 3h 45m to 14h 59m depending on the flight.
How far is Chicago from Seattle?
1,733 mi (2,789 km) in a straight line between the cities.
Which airlines fly nonstop from Seattle to Chicago?
American Airlines (19 a week), Southwest Airlines (14 a week), Delta (14 a week), Alaska Airlines (7 a week) and United Airlines (7 a week).
How many flights a day are there from Seattle to Chicago?
7 flights today and 61 a week, about 8.7 a day on average.
When are the first and last flights from Seattle to Chicago?
The first departure is at 00:15 (WN4975), the last at 10:43 (AA2112). Local time.
What is the cheapest month to fly from Seattle to Chicago?
December 2026: tickets from $122. The most expensive is November 2026, from $159.
What is the cheapest upcoming date to fly from Seattle to Chicago?
8 December 2026 (Tuesday): from $122 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Seattle to Chicago?
American Airlines: nonstop tickets from $122 on 8 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Seattle and Chicago?
Chicago is 2 hours ahead of Seattle. Schedule times on this page are local to each airport.
Which Seattle airport do flights to Chicago leave from?
Seattle-Tacoma International (61 a week).