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Cheap flights from Seattle to Chicago from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Chicago departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Chicago.
6:02 pm - 11:59 pmSEA-ORD
3h 57mnonstop
12:00 pm - 2:33 pmORD-SEA
4h 33mnonstop
$160Hawaiian Airlines
Find Deal
Sat, Apr 19 - Sat, Apr 26
6:02 pm - 11:59 pmSEA-ORD
3h 57mnonstop
6:00 am - 8:30 amORD-SEA
4h 30mnonstop
Sat, Apr 19 - Sat, Apr 26
5:58 pm - 11:59 pmSEA-ORD
4h 01mnonstop
6:00 am - 8:30 amORD-SEA
4h 30mnonstop
$163Alaska Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
11:59 pm - 6:05 amSEA-ORD
4h 06mnonstop
9:00 am - 11:32 amORD-SEA
4h 32mnonstop
$164Alaska Airlines
Find Deal
Tue, Apr 29 - Wed, Apr 30
11:35 am - 5:43 pmSEA-ORD
4h 08mnonstop
7:50 am - 10:34 amORD-SEA
4h 44mnonstop
$170Delta
Find Deal
Sat, Apr 19 - Sat, Apr 26
2:15 pm - 8:25 pmSEA-ORD
4h 10mnonstop
7:00 am - 2:00 pmORD-SEA
9h 00m1 stop
$175United Airlines
Find Deal
Sat, May 3 - Wed, May 7
5:55 pm - 11:59 pmSEA-ORD
4h 04mnonstop
7:50 am - 10:30 amORD-SEA
4h 40mnonstop
$213Delta
Find Deal
Tue, Apr 29 - Mon, May 5
3:35 pm - 11:52 pmSEA-ORD
6h 17m1 stop
7:00 am - 1:59 pmORD-SEA
8h 59m1 stop
$214United Airlines
Find Deal
Mon, Apr 14 - Wed, Apr 16
12:59 am - 11:07 amSEA-ORD
8h 08m1 stop
7:35 am - 10:15 amORD-SEA
4h 40mnonstop
$263American Airlines
Find Deal
Fri, May 2 - Tue, May 6
12:59 am - 11:07 amSEA-ORD
8h 08m1 stop
7:35 am - 10:15 amORD-SEA
4h 40mnonstop
$264American Airlines
Find Deal
Fri, May 2 - Wed, May 7

Hawaiian Airlines flights from Seattle to Chicago

Our best Hawaiian Airlines deals on Seattle to Chicago flight tickets
Hawaiian Airlines
Apr 19
SEA6:02 pmSeattle/Tacoma Intl
3h 57m
ORD11:59 pmChicago O'Hare Intl
Apr 26
ORD12:00 pmChicago O'Hare Intl
4h 33m
SEA2:33 pmSeattle/Tacoma Intl
Hawaiian Airlines
Apr 19
SEA6:02 pmSeattle/Tacoma Intl
3h 57m
ORD11:59 pmChicago O'Hare Intl
Apr 26
ORD5:56 pmChicago O'Hare Intl
4h 36m
SEA8:32 pmSeattle/Tacoma Intl
Hawaiian Airlines
Apr 19
SEA6:02 pmSeattle/Tacoma Intl
3h 57m
ORD11:59 pmChicago O'Hare Intl
Apr 26
ORD5:56 pmChicago O'Hare Intl
4h 36m
SEA8:32 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to Chicago

Our best United Airlines deals on Seattle to Chicago flight tickets
United Airlines
May 3
SEA2:15 pmSeattle/Tacoma Intl
4h 10m
ORD8:25 pmChicago O'Hare Intl
May 7
ORD7:00 amChicago O'Hare Intl
9h 00m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
United Airlines
Apr 14
SEA3:35 pmSeattle/Tacoma Intl
6h 17m
1 stop
ORD11:52 pmChicago O'Hare Intl
Apr 16
ORD7:00 amChicago O'Hare Intl
8h 59m
1 stop
SEA1:59 pmSeattle/Tacoma Intl
United Airlines
Jul 9
SEA12:20 amSeattle/Tacoma Intl
4h 08m
ORD6:28 amChicago O'Hare Intl
Jul 15
ORD2:40 pmChicago O'Hare Intl
8h 16m
1 stop
SEA8:56 pmSeattle/Tacoma Intl

See travel insights to Chicago from

How to get the cheapest flight ticket from Seattle to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Chicago?

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Seattle, with most prices found around $223. If you’re not able to fly to Chicago in January, then September is your next best option. Flight prices from Seattle to Chicago during September average around $243.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $418. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Chicago for around $558.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Seattle to Chicago during this time can be as low as $291. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $493.

What is the cheapest Seattle/Tacoma Intl to Chicago flight route?

Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Seattle/Tacoma Intl - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Seattle when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $310 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Seattle for as low as $262 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Chicago flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Chicago flight prices changed over time?

As of March 2025, prices for Seattle to Chicago flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Chicago (SEA to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Chicago

Best Price Found

$76

Fastest flight time

3h 55m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Seattle in the past 72 hours is $76. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is $160.
The fastest flight from Seattle to Chicago takes 3h 55m
Direct flights go from Seattle to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is Seattle/Tacoma Intl to Chicago by plane?

    Chicago is 1732.3 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 3h 55m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Chicago?

    Prices for flights from Seattle/Tacoma Intl Airport to Chicago refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Chicago?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Chicago?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Chicago?

  • What is the most popular airline from Seattle to Chicago?


Best airlines flying from Seattle to Chicago

Compare and see reviews for airlines that fly from Seattle to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
7,878 reviews
Search Spirit Airlines flights
DeltaPriceFrom $107Free CancellationRating
8.0
7,892 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $119Free CancellationRating
7.9
2,334 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $138Free CancellationRating
6.0
3,272 reviews
Search Frontier flights
American AirlinesPriceFrom $156Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $156Free CancellationRating
7.4
8,608 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $160Free CancellationRating
8.0
9,790 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $200Free CancellationRating
8.0
4,273 reviews
Search Southwest flights
  • Delta Flights From Seattle to Chicago

    Delta flies from Seattle to Chicago around 11 times per week, with 7,892 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Chicago in the last 72 hours was $107 (round-trip), much lower than the average airfare cost of $445 for Delta flights on this route.

  • Alaska Airlines Flights From Seattle to Chicago

    $160 is the best Alaska Airlines flight deal from Seattle to Chicago found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $331, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,790 user reviews) flies into Chicago from Seattle 24 times in an average week so prices can vary.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Crown Point
Munster
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Chicago?

Finding the right flight to Chicago from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Seattle to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Chicago.

I’m not ready to book a flight from Seattle to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago