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Cheap Flights from Chicago to Seattle, WA, United States - CHI to SEA Last modified: May 25, 2016 6:53 AM

Popular flights from Chicago to Seattle Last modified: May 25, 2016 6:53 AM

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
Jun 5, 2016 Jun 8, 2016 $197
American Airlines
Departure Date Return Date Lowest Price
Jun 18, 2016 Jul 6, 2016 $225
Frontier Airlines
Departure Date Return Date Lowest Price
May 29, 2016 Jun 1, 2016 $188
Spirit Airlines
Departure Date Return Date Lowest Price
Aug 31, 2016 Sep 7, 2016 $308
United Airlines
Departure Date Return Date Lowest Price
Aug 13, 2016 Aug 17, 2016 $213
Virgin America
Departure Date Return Date Lowest Price
Jun 2, 2016 Jun 7, 2016 $400
Jun 2, 2016 Jun 3, 2016 $400
Jun 2, 2016 Jun 4, 2016 $400
Jun 2, 2016 Jun 6, 2016 $400
Jun 2, 2016 Jun 8, 2016 $400

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

We have collected flight cost data from across the web for travel from Chicago to Seattle, and have found the average flight price for this trip to be $216.

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

Airlines can adjust prices for plane tickets from Chicago to Seattle 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 Chicago to Seattle

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $188 $277
7-14 days $197 $235
14-21 days $248 $233
21-30 days $236 $225
30-60 days $238 $221
60-90 days $208 $213
90+ days $208 $226

Cheapest Day To Fly from Chicago to Seattle

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$233 $208 $208 $233 $233 $208 $188

Lowest Fares Chart By Month from Chicago to Seattle

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Chicago Seattle Frontier 5/29/16 6/1/16 0 $188
June Chicago Seattle Alaska 6/5/16 6/8/16 0 $197
July Chicago Seattle United 7/23/16 7/26/16 1 $221
August Chicago Seattle Frontier 8/16/16 8/20/16 0 $208
September Chicago Seattle Frontier 9/3/16 9/5/16 0 $233
October Chicago Seattle American 10/1/16 10/1/16 0 $305
November Chicago Seattle American 11/2/16 11/9/16 0 $328
December Chicago Seattle American 12/3/16 12/5/16 0 $351

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

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 Chicago to Seattle.

Next 30 Days

SunMonTueWedThuFriSat
22 23 24 25 26 27 28
$307
29 30 31 1 2 3 4
$307 $252
5 6 7 8 9 10 11
$252 $248
12 13 14 15 16 17 18
$248 $238
19 20 21 22 23 24 25
$238 $288
26 27 28 29 30 1 2
$288

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

Your Chicago to Seattle 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 Chicago to Seattle is $313.

The average price for non-stop flights from Chicago to Seattle is $268.

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

Nonstop Flight Details from Chicago to Seattle
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 6 6 6 6 6 6 6 07:10 20:15
Alaska 4 4 4 4 4 3 4 06:15 19:45
Frontier 0 1 0 1 0 0 1 19:40 19:40
United 6 6 6 6 6 5 5 07:05 22:50

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

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 Chicago to Seattle. 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 Chicago to Seattle is $133.

The average price for round trip flights from Chicago to Seattle is $293.

Chicago to Seattle Flight Questions

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

Question: How long is a direct flight from Chicago to Seattle?
Answer: The average Chicago to Seattle flight time is 4 hours and 31 minutes.
Question: How many miles are there between Chicago and Seattle?
Answer: The distance from Chicago to Seattle is 1715 miles.
Question: How common are direct flights from Chicago to Seattle?
Answer: There are 112 direct flights from Chicago to Seattle.
Question: What is the most popular airline for non-stop flights from Chicago to Seattle?
Answer: American Airlines provides 37% of the non-stop flights between Chicago and Seattle.
Question: What are the most popular connecting cities when flying from Chicago to Seattle?
Answer: Denver, CO

Airlines Flying from Chicago to Seattle (CHI to SEA) Number of flights searched: 272Last modified: May 25, 2016 6:53 AM

Below are the different airlines that fly from Chicago to Seattle 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 Chicago to Seattle.

Chicago to Seattle
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 DTW X X X X X X X
Frontier - X X X
Frontier DEN X X X
Spirit LAS X X X X X X X
United - X X X X X X X
United SFO 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 BNA X X X X X X X

Airports for Your Route

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

Cheap Domestic Flights from Chicago - CHI

FlightsAirlineLowest Price
Chicago to Las Vegas American, Alaska, Frontier, Spirit, United, Virgin America $118
Chicago to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $118
Chicago to Portland American, Alaska, Frontier, Spirit, United, Virgin America $118
Chicago to New York American, Alaska, JetBlue, Spirit, United $116
Chicago to San Francisco American, Alaska, Frontier, United, Virgin America $208
Chicago to Denver American, Alaska, Frontier, Spirit, United $116
Chicago to Phoenix American, Alaska, Frontier, Spirit, United $127
Chicago to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $127
Chicago to Orlando American, JetBlue, Frontier, Spirit, United $137
Chicago to Minneapolis - St Paul American, Frontier, Spirit, United $68
Chicago to Spokane American, Alaska, United $283

Cheap International Flights from Chicago - CHI

FlightsAirlineLowest Price
Chicago to Vancouver American, Air Canada, Alaska, JetBlue, Frontier, Spirit, Porter, United, Virgin America, WestJet $422
Chicago to Victoria American, Air Canada, Alaska, Frontier, Spirit, Porter, United, WestJet $284

Cheap Domestic Flights to Seattle - SEA

FlightsAirlineLowest Price
Indianapolis to Seattle American, Alaska, Frontier, United $244
Milwaukee to Seattle American, Alaska, Frontier, United $307
Grand Rapids to Seattle American, Alaska, United $360
Moline to Seattle American, Alaska, United $347
Green Bay to Seattle American, Alaska, United $402
Madison to Seattle American, Alaska, United $412
Lansing to Seattle American, Alaska, United $326
Peoria to Seattle American, United $332
Appleton to Seattle Alaska, United $442
Ft Wayne to Seattle American, Alaska, United $348
Bloomington - Normal to Seattle American $343
South Bend to Seattle United $450
Toledo to Seattle American $373
Springfield to Seattle American, United $412
Kalamazoo to Seattle American, United $420
Dubuque to Seattle American $412
Champaign to Seattle American $412
Cheap Flights from Chicago to Seattle, WA, United States, from $188 Round trip from CHI to SEA