Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Flights
Hotels
1 traveler
Unsupported Browser!
Find Flights

Cheap Flights from Seattle to Chicago, IL, United States - SEA to CHI Last modified: May 24, 2016 7:40 PM

Popular flights from Seattle to Chicago Last modified: May 24, 2016 7:40 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
May 30, 2016 Jun 5, 2016 $252
Jun 4, 2016 Jun 5, 2016 $252
Jun 5, 2016 Jun 12, 2016 $252
Jun 8, 2016 Jun 11, 2016 $252
Jun 13, 2016 Jun 15, 2016 $252
American Airlines
Departure Date Return Date Lowest Price
Jun 7, 2016 Jun 18, 2016 $209
Frontier Airlines
Departure Date Return Date Lowest Price
Aug 16, 2016 Aug 20, 2016 $208
Aug 16, 2016 Aug 30, 2016 $208
Aug 17, 2016 Aug 23, 2016 $208
Aug 17, 2016 Aug 31, 2016 $208
Aug 20, 2016 Aug 23, 2016 $208
JetBlue Airways
Departure Date Return Date Lowest Price
Sep 16, 2016 Sep 19, 2016 $560
Spirit Airlines
Departure Date Return Date Lowest Price
Sep 14, 2016 Sep 20, 2016 $308
United Airlines
Departure Date Return Date Lowest Price
Aug 16, 2016 Aug 20, 2016 $205
Virgin America
Departure Date Return Date Lowest Price
Jun 7, 2016 Jun 14, 2016 $353

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 $217.

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 $252 $288
7-14 days $228 $209
14-21 days $228 $209
21-30 days $228 $236
30-60 days $238 $221
60-90 days $208 $205
90+ days $208 $226

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
$224 $205 $208 $225 $221 $208 $228

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
May Seattle Chicago American 5/31/16 6/7/16 1 $228
June Seattle Chicago American 6/7/16 6/18/16 1 $209
July Seattle Chicago United 7/13/16 7/23/16 1 $221
August Seattle Chicago United 8/16/16 8/20/16 1 $205
September Seattle Chicago Frontier 9/1/16 9/6/16 1 $251
October Seattle Chicago American 10/3/16 10/11/16 0 $305
November Seattle Chicago American 11/2/16 11/7/16 0 $349
December Seattle Chicago Spirit 12/1/16 12/4/16 2 $368

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
22 23 24 25 26 27 28
$347
29 30 31 1 2 3 4
$347 $252
5 6 7 8 9 10 11
$252 $259
12 13 14 15 16 17 18
$259 $303
19 20 21 22 23 24 25
$303 $358
26 27 28 29 30 1 2
$358

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 $388.

The average price for non-stop flights from Seattle to Chicago is $263.

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 6 6 6 6 6 6 6 00:15 17:35
Alaska 4 4 4 4 4 3 4 00:45 16:55
Frontier 1 0 1 0 1 0 0 00:59 00:59
United 6 6 6 6 6 5 6 00:28 23:40

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 $171.

The average price for round trip flights from Seattle to Chicago is $375.

More Cheap Flights

FlightsAirlineLowest Price
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $118
Vancouver to Chicago Pacific Coastal, American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $371
Bellingham to Chicago American, Alaska $352
Victoria to Chicago Pacific Coastal, American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $273
Pasco to Chicago American, Alaska, United $408
Wenatchee to Chicago American, Alaska Check Dates
Yakima to Chicago American, Alaska $480
Comox to Chicago American, Air Canada, Alaska, United, WestJet $546
Nanaimo to Chicago American, Air Canada, United, WestJet $434
Penticton to Chicago American, Air Canada, United, WestJet Check Dates
Seattle to Atlanta American, Alaska, Frontier, Spirit, United $317
Seattle to Milwaukee American, Alaska, Frontier, United $278
Seattle to New York American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $288
Seattle to Dallas - Ft Worth American, Alaska, Frontier, Spirit, Sun Country, United, Virgin America $234
Seattle to Detroit American, Alaska, JetBlue, Spirit, United $314
Portland to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $278
Portland to Milwaukee American, Alaska, Frontier, United $261
Portland to Atlanta American, Alaska, Frontier, United $382
Seattle to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $237
Seattle to Indianapolis American, Alaska, Frontier, United $261
Seattle to Madison American, Alaska, Frontier, United $422
Seattle to South Bend American, Allegiant, United $504
Seattle to St Louis American, Alaska, Frontier, United $261
Vancouver to New York Pacific Coastal, American, Air Canada, Alaska, JetBlue, Cathay, United, Virgin America, WestJet, Great Lakes $304
Portland to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, United, Virgin America $147
Seattle to Grand Rapids American, Alaska, United $360
Portland to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $295
Vancouver to Milwaukee American, Air Canada, Alaska, Frontier, United, WestJet $335
Portland to South Bend American, Alaska, United $550
Seattle to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $244

Airlines Flying from Seattle to Chicago (SEA to CHI) Number of flights searched: 266Last modified: May 24, 2016 7:40 PM

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
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
Frontier - X X X
Frontier DEN X X X X X X X
United - X X X X X X X
United DEN 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 57 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 113 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 37% of the non-stop flights between Seattle and Chicago.
Question: What are the most popular connecting cities when flying from Seattle to Chicago?
Answer: Denver, CO
Seattle (SEA) To Chicago, IL (CHI) Flights: Cheap Flights From Seattle To Chicago | FareCompare.