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FareCompare's flight comparison tool will search through all flights and plane tickets from Seattle to Chicago, finding you the most direct flight for the best price. Whether you prefer round-trip or one-way tickets, FareCompare will find the cheapest flight from Seattle to Chicago so you can spend time planning the fun parts of traveling.

Cheap Flights from Seattle to Chicago - SEA to CHI

Cheap flights from Seattle to Chicago

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

Alaska Airlines
Departure Date Return Date Lowest Price
Sep 10, 2015 Sep 14, 2015 $332
American Airlines
Departure Date Return Date Lowest Price
Sep 5, 2015 Sep 8, 2015 $339
Oct 18, 2015 Oct 20, 2015 $339
Frontier Airlines
Departure Date Return Date Lowest Price
Oct 31, 2015 Nov 4, 2015 $312
Nov 2, 2015 Nov 7, 2015 $312
Nov 11, 2015 Nov 17, 2015 $312
Sun Country Airlines
Departure Date Return Date Lowest Price
Sep 11, 2015 Sep 14, 2015 $316
US Airways
Departure Date Return Date Lowest Price
Sep 9, 2015 Sep 23, 2015 $336
United Airlines
Departure Date Return Date Lowest Price
Nov 3, 2015 Nov 17, 2015 $260
Virgin America
Departure Date Return Date Lowest Price
Sep 15, 2015 Sep 18, 2015 $345

How Much Does it Cost to Fly from Seattle to Chicago (SEA to CHI)?

We have collected flight cost data from across the web for travel from Seattle to Chicago, and have found the average flight price for this trip to be $289.

When Can I Buy the Cheapest Flight from Seattle to Chicago (SEA to CHI)?

Airlines can adjust prices for plane tickets from Seattle to Chicago based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Seattle to Chicago

The chart below shows up-to-date information regarding how far in advance a flight from Seattle to Chicago should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $432 $436
7-14 days $345 $354
14-21 days $344 $314
21-30 days $338 $305
30-60 days $336 $289
60-90 days $336 $266
90+ days $341 $266

Cheapest Day To Fly from Seattle to Chicago

The chart below shows up-to-date information regarding the cheapest days to fly from Seattle to Chicago.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$293 $266 $293 $297 $298 $289 $293

Lowest Fares Chart By Month from Seattle to Chicago

The chart below shows the lowest fare by month when flying from Seattle to Chicago.

Month Origin Destination Carrier Depart Date Return Date Stops Price
August Seattle Chicago United 8/26/15 9/1/15 1 $305
September Seattle Chicago United 9/1/15 9/15/15 2 $289
October Seattle Chicago United 10/20/15 10/27/15 1 $266
November Seattle Chicago United 11/3/15 11/17/15 2 $260
December Seattle Chicago Frontier 12/4/15 12/6/15 1 $308
January Seattle Chicago United 1/12/16 1/26/16 2 $334
February Seattle Chicago United 2/4/16 2/9/16 1 $336
March Seattle Chicago Alaska 3/17/16 3/21/16 0 $381

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to Chicago

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to Chicago.

Next 30 Days

SunMonTueWedThuFriSat
2 3 4 5 6 7 8
$747
9 10 11 12 13 14 15
$747 $432
16 17 18 19 20 21 22
$432 $389
23 24 25 26 27 28 29
$389 $341
30 31 1 2 3 4 5
$341 $339
6 7 8 9 10 11 12
$339

Non-Stop vs Connecting Flights from Seattle to Chicago (SEA to CHI)

Your Seattle to Chicago flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Seattle to Chicago is $322.

The average price for non-stop flights from Seattle to Chicago is $339.

The chart below shows up to date information regarding non-stop flights from Seattle to Chicago.

Nonstop Flight Details from Seattle to Chicago
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 5 6 6 6 6 5 6 05:00 23:59
Alaska 4 4 4 4 4 3 4 00:50 17:10
United 4 4 4 4 4 4 5 06:45 23:08

Round Trip vs One Way Flights from Seattle to Chicago (SEA to CHI)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Chicago. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to Chicago is $164.

The average price for round trip flights from Seattle to Chicago is $321.

More Cheap Flights

FlightsAirlineLowest Price
Portland to Chicago Alaska, United, American, US Airways, Spirit, JetBlue, Frontier, Virgin America $193
Vancouver to Chicago Alaska, US Airways, WestJet, Sunwing, Air Canada, United, American, Sun Country, Virgin America $303
Bellingham to Chicago Alaska, American $412
Victoria to Chicago Air Canada, United, Alaska, US Airways, American, Sun Country, WestJet $345
Pasco to Chicago United, Alaska, American $327
Wenatchee to Chicago Alaska, American $427
Yakima to Chicago Alaska, American $462
Comox to Chicago Air Canada, Alaska, United, American, US Airways, WestJet Check Dates
Nanaimo to Chicago Air Canada, United, US Airways, WestJet $845
Penticton to Chicago Air Canada, United, WestJet Check Dates
Seattle to Atlanta Alaska, United, American, US Airways, JetBlue, Frontier $318
Seattle to Milwaukee United, Alaska, US Airways, American, Frontier $279
Seattle to New York Alaska, US Airways, JetBlue, United, American, Sun Country, Virgin America $268
Seattle to Dallas - Ft Worth Alaska, United, US Airways, American, Sun Country, Frontier, Virgin America $254
Seattle to Detroit Alaska, United, American, US Airways, JetBlue, Frontier $257
Portland to New York Alaska, US Airways, JetBlue, Frontier, United, American, Spirit, Virgin America $266
Portland to Milwaukee Alaska, United, US Airways, American, Frontier $312
Portland to Atlanta United, Alaska, American, US Airways, Spirit, Frontier $261
Seattle to Minneapolis - St Paul Alaska, United, US Airways, American, Sun Country, Frontier $257
Seattle to Indianapolis United, Alaska, US Airways, American, Frontier $312
Seattle to Madison United, Alaska, US Airways, American, Frontier $426
Seattle to South Bend Alaska, United, American, US Airways $422
Seattle to St Louis Alaska, United, American, US Airways, Frontier $278
Vancouver to New York Alaska, US Airways, WestJet, JetBlue, Sunwing, Air Canada, United, American, Sun Country, Virgin America, Cathay $412
Portland to Dallas - Ft Worth United, Alaska, American, US Airways, Spirit, Frontier, Virgin America $127
Seattle to Grand Rapids United, Alaska, US Airways, American $348
Portland to Detroit United, Alaska, American, US Airways, Spirit, JetBlue, Frontier $308
Vancouver to Milwaukee Air Canada, Alaska, United, American, US Airways, WestJet $412
Portland to South Bend Alaska, United, American, US Airways $380
Seattle to Washington United, Alaska, US Airways, American, Sun Country, JetBlue, Frontier, Virgin America $281

Airlines Flying from Seattle to Chicago (SEA to CHI)

Below are the different airlines that fly from Seattle to Chicago with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to Chicago.

Seattle to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American - X X X X X X X
American DFW X X X X X X
Alaska - X X X X X X X
Alaska PDX X X X X X X X
Delta MSP X X X X X X X
Sun Country MSP X X X X X X
United - X X X X X X X
United DEN X X X X X X X
US Airways PHX X X X X X X X
Virgin America LAX X X X X X X X
Southwest - X X X X X X X
Southwest DEN X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Seattle and Chicago, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Seattle to Chicago Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Seattle to Chicago?
Answer: The average Seattle to Chicago flight time is 3 hours and 56 minutes.
Question: How many miles are there between Seattle and Chicago?
Answer: The distance from Seattle to Chicago is 1715 miles.
Question: How common are direct flights from Seattle to Chicago?
Answer: There are 95 direct flights from Seattle to Chicago.
Question: What is the most popular airline for non-stop flights from Seattle to Chicago?
Answer: American Airlines provides 42% of the non-stop flights between Seattle and Chicago.
Question: What are the most popular connecting cities when flying from Seattle to Chicago?
Answer: Minneapolis - St Paul, MN
Seattle (SEA) To Chicago (CHI) Flights: Cheap Flights From Seattle To Chicago | FareCompare.