S$ 38 Cheap Flights from Seattle to Chicago (SEA-CHI)

Cheap Flights from Seattle to Chicago

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Cheap Flights from Seattle to Chicago starting at CNY 38

We've found these cheap flights for you. You can book one-way or return flight tickets.

One way
Round-trip

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

Cheapest time to fly from Seattle to Chicago

We monitor flight fares to help you find the best deals effortlessly

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

Cheapest Airlines flying from Seattle to Chicago

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From S$ 38

American Airlines

From S$ 64

Spirit Airlines

From S$ 99

United Airlines

From S$ 123

Alaska Airlines

From S$ 134

Sun Country Airlines

From S$ 143

Southwest Airlines

From S$ 202

Delta Air Lines

From S$ 255

ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Chicago

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to Chicago.

Cheapest
SEA
21:35
12h 3m
1 transfer
MDW
11:38
Seattle-Tacoma International Airport - Midway International Airport
Tue, May 7Frontier Airlines
S$ 38
SEA
21:35
25h 21m
1 transfer
ORD
00:56
Seattle-Tacoma International Airport - O'Hare International Airport
Tue, May 7Frontier Airlines
S$ 56
SEA
21:35
25h 21m
1 transfer
ORD
00:56
Seattle-Tacoma International Airport - O'Hare International Airport
Tue, May 7Frontier Airlines
S$ 56
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Seattle (SEA) to Chicago (CHI) the cheapest?
Airlines adjust prices for flights from Seattle to Chicago based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Seattle (SEA) to Chicago (CHI) cost?
According to Trip.com's data, the lowest price is around S$ 341.
How long is a flight from Seattle (SEA) to Chicago (CHI)?
It takes about 4 hours 30 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, by taxi about 40 minutes.
- The distance from Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
What time does the earliest flight from Seattle to Chicago depart?
The earliest flight departs from Seattle (SEA) at 06:00 and arrives in Chicago (ORD) at 12:04.
What time does the latest flight from Seattle to Chicago depart?
The latest flight departs from Seattle (SEA) at 18:00 and arrives in Chicago (ORD) at 23:59.
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, Southwest Airlines, Air Tahiti Nui, American Airlines, Qatar Airways, Delta Air Lines, Alaska Airlines and Malaysia Airlines.
What's the most popular airline for direct flights from Seattle (SEA) to Chicago (CHI)?
United Airlines operates 3 direct flights from Seattle (SEA) to Chicago (CHI).
How many airports in Chicago?
There are 5 airports near Chicago: O'Hare International Airport, Chicago Du Page County Airport, Midway International Airport, Chicago Palwaukee Airport and Chicago Rockford International Airport.

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.

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

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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

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Find cheapest flight ticket from Seattle to Chicago

Cheapest direct flight price	S$ 38
Cheapest return ticket price	S$ 120
Cheapest month	April
Peak season for travel	July
Flight distance	2,785.86km
Average flight time	4 hours 30 minutes
Popular airline	American Airlines