US$36️ Cheap Flights from Seattle to Chicago (2024)

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Find cheap one-way flights from Seattle to Chicago starting at US$36.

Whether you’re going for a one-way or round-trip to Chicago, we’ve got you covered! Check out these different flight options from Seattle below.

One way
Round-trip

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

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

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Chicago from Seattle have changed and are set to move below.

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

Cheapest airlines flights from Seattle to Chicago

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Seattle to Chicago.

Spirit Airlines

From US$36

Frontier Airlines

From US$43

Alaska Airlines

From US$51

Delta Air Lines

From US$57

American Airlines

From US$61

United Airlines

From US$100

Sun Country Airlines

From US$125

Southwest Airlines

From US$127

Jetblue Airways

From US$182

ANA airlines

Find more flights and airlines

Find cheap flights from Seattle to Chicago by different airports

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Chicago from Seattle which could help you save money and time.

Cheapest
SEA
16:05
11h 50m
1 transfer
ORD
05:55
Seattle-Tacoma International Airport - O'Hare International Airport
Wed, Oct 2Spirit Airlines
US$36
SEA
16:05
18h 21m
1 transfer
MDW
12:26
Seattle-Tacoma International Airport - Midway International Airport
Wed, Oct 2Spirit Airlines
US$45
SEA
16:05
18h 21m
1 transfer
MDW
12:26
Seattle-Tacoma International Airport - Midway International Airport
Wed, Oct 2Spirit Airlines
US$45
Find More Flights

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 $212.
How long does it take to fly from Seattle (SEA) to Chicago (CHI) and what is the distance?
It takes around 5 hours 12 minutes to fly from Seattle (SEA) to Chicago (CHI).
What is the transportation method from the main airport to downtown in Chicago?
- The distance from O'Hare International Airport to downtown is about 25km. It takes about 40 minutes by taxi.
- The distance from Midway International Airport to downtown is about 14km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Seattle (SEA) to Chicago (CHI)?
Airlines with flights from Seattle (SEA) to Chicago (CHI): United Airlines, Qatar Airways, Air Tahiti Nui, American Airlines, British Airways, Iberia, Royal Jordanian, Southwest Airlines, Alaska Airlines and Delta Air Lines.

How to find a cheap flight from Seattle to Chicago

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Seattle to Chicago Flight Information

Cheapest nonstop flight price	$36
Cheapest round-trip ticket price	$109
Off-season for travel	October
Peak season for travel	June
Flight distance	2,785.86km
Average flight time	5 hours 12 minutes
Popular airline	American Airlines