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Flights from Seattle to Chicago

Cheapest airlines flights from Seattle to Chicago

Fly from Seattle to Chicago with 5 carriers, including Alaska Airlines, Hawaiian Airlines, and Delta Air Lines. Hawaiian Airlines offers the cheapest flights from Seattle to Chicago.
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Find cheap flights from Seattle to Chicago

Non stop flights available! Find direct flights from Seattle to Chicago within the next 3 months. Book one way flights from US$46 or round trip tickets from US$86.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Chicago Flight Information

Fly from Seattle to Chicago in about ${{duration}} across 2,785.86 km. The most popular travel month is ${{peakMonth}}, while ${{lowMonth}} offers the best deals for this route.

Cheapest one-way flight price US$46
Cheapest round-trip ticket price US$86
Off-season for travel April
Peak season for travel March
Flight distance 2,785.86 km
Average flight time 4 hours 54 minutes
Popular airline Alaska Airlines

When is the cheapest time to book flights from Seattle to Chicago?

Best time for cheap flights from Seattle to Chicago are between Sep 14 and Sep 21 with one way fares from US$38

Cheapest flights
From price
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  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to Chicago (CHI) the cheapest?

    Airlines adjust prices for flights from Seattle to Chicago based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Chicago (CHI) cost?

    According to Trip.com's data, the lowest price is around $281.

  • How long does it take to fly from Seattle (SEA) to Chicago (CHI) and what is the distance?

    It takes around 4 hours 54 minutes to fly from Seattle (SEA) to Chicago (CHI).

  • What are the most popular airlines that fly from Seattle (SEA) to Chicago (CHI)?

How to find a cheap flight from Seattle to Chicago

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Chicago. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Seattle to Chicago ticket.
Tap "Date" on flight search bar to scan through the calender for Seattle to Chicago airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Sep 2 at US$46 for one-way flights.
2
Compare cheap Seattle to Chicago flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Seattle to Chicago. The cheapest airline operating is Hawaiian Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Seattle to Chicago route, you can easily track the price of your airline tickets from Seattle to Chicago without manually checking every day.
4
Don't miss cheap Seattle to Chicago flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Seattle to Chicago to get exclusive deals for you.

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