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Cheap flights from Seattle to Chicago from C$ 105

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 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Chicago.

Cheap last-minute flights

Planning a quick getaway from Seattle to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Chicago

Find recent round-trip train or bus tickets from Seattle to Chicago.

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
3:15 p.m. - 12:32 a.m.SEA-ORD
7h 17m1 stop
7:50 a.m. - 2:25 p.m.ORD-SEA
8h 35m1 stop
C$ 240Frontier
Find Deal
Fri, 24 Jan - Mon, 27 Jan
7:25 a.m. - 1:30 p.m.SEA-ORD
4h 05mdirect
7:15 a.m. - 10:11 a.m.ORD-SEA
4h 56mdirect
C$ 243Delta
Find Deal
Tue, 4 Feb - Tue, 11 Feb
7:25 a.m. - 1:30 p.m.SEA-ORD
4h 05mdirect
2:25 p.m. - 5:10 p.m.ORD-SEA
4h 45mdirect
C$ 256Delta
Find Deal
Fri, 10 Jan - Tue, 21 Jan
7:10 a.m. - 9:52 p.m.SEA-ORD
12h 42m1 stop
7:50 a.m. - 2:25 p.m.ORD-SEA
8h 35m1 stop
C$ 262
Find Deal
Thu, 23 Jan - Mon, 27 Jan
6:10 p.m. - 12:11 a.m.SEA-ORD
4h 01mdirect
7:15 a.m. - 10:11 a.m.ORD-SEA
4h 56mdirect
C$ 268Delta
Find Deal
Thu, 23 Jan - Mon, 27 Jan
10:51 p.m. - 1:07 p.m.SEA-ORD
12h 16m1 stop
6:55 p.m. - 9:46 p.m.ORD-SEA
4h 51mdirect
C$ 270Alaska Airlines
Find Deal
Tue, 21 Jan - Sat, 25 Jan
7:00 a.m. - 1:06 p.m.SEA-ORD
4h 06mdirect
7:59 p.m. - 10:42 p.m.ORD-SEA
4h 43mdirect
C$ 273United Airlines
Find Deal
Thu, 6 Feb - Tue, 18 Feb
11:45 a.m. - 5:59 p.m.SEA-ORD
4h 14mdirect
6:55 p.m. - 9:15 a.m.ORD-SEA
16h 20m1 stop
C$ 282Alaska Airlines
Find Deal
Mon, 3 Feb - Mon, 10 Feb
9:20 a.m. - 9:26 p.m.SEA-ORD
10h 06m1 stop
8:21 p.m. - 11:10 p.m.ORD-SEA
4h 49mdirect
C$ 285United Airlines
Find Deal
Fri, 24 Jan - Sat, 25 Jan
5:55 p.m. - 5:31 a.m.SEA-ORD
9h 36m2 stops
1:39 p.m. - 12:19 a.m.ORD-SEA
12h 40m1 stop
C$ 352Spirit Airlines
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Fri, 24 Jan - Mon, 27 Jan
9:47 a.m. - 7:25 p.m.SEA-ORD
7h 38m1 stop
C$ 105Frontier
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Mon, 13 Jan
5:55 p.m. - 11:56 p.m.SEA-ORD
4h 01mdirect
C$ 122Delta
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Tue, 18 Feb
6:15 a.m. - 5:10 p.m.SEA-ORD
8h 55m1 stop
C$ 129United Airlines
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Tue, 11 Mar
5:45 p.m. - 11:44 p.m.SEA-ORD
3h 59mdirect
C$ 135Delta
Find Deal
Mon, 24 Mar
6:15 a.m. - 5:10 p.m.SEA-ORD
8h 55m1 stop
C$ 142United Airlines
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Wed, 12 Mar
10:51 p.m. - 1:07 p.m.SEA-ORD
12h 16m1 stop
C$ 144Alaska Airlines
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Tue, 21 Jan
2:18 p.m. - 8:25 p.m.SEA-ORD
4h 07mdirect
C$ 145United Airlines
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Sat, 12 Apr
11:59 p.m. - 5:53 a.m.SEA-ORD
3h 54mdirect
C$ 150Alaska Airlines
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Mon, 17 Mar
12:50 p.m. - 11:19 p.m.SEA-ORD
8h 29m1 stop
C$ 163United Airlines
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Mon, 3 Feb
5:55 p.m. - 9:00 p.m.SEA-ORD
25h 05m3 stops
C$ 213Spirit Airlines
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Mon, 13 Jan
1:30 p.m. - 9:39 p.m.SEA-ORD
6h 09m1 stop
2:25 p.m. - 5:10 p.m.ORD-SEA
4h 45mdirect
C$ 632Delta
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Mon, 23 Dec - Tue, 7 Jan
5:55 p.m. - 11:59 p.m.SEA-ORD
4h 04mdirect
2:25 p.m. - 5:10 p.m.ORD-SEA
4h 45mdirect
C$ 646Delta
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Sun, 22 Dec - Tue, 7 Jan
11:51 p.m. - 5:51 a.m.SEA-ORD
4h 00mdirect
7:15 a.m. - 2:00 p.m.ORD-SEA
8h 45m1 stop
C$ 761United Airlines
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Mon, 23 Dec - Tue, 7 Jan
10:36 p.m. - 4:40 a.m.SEA-ORD
4h 04mdirect
2:07 p.m. - 4:55 p.m.ORD-SEA
4h 48mdirect
C$ 767Alaska Airlines
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Mon, 23 Dec - Mon, 6 Jan
10:36 p.m. - 4:40 a.m.SEA-ORD
4h 04mdirect
2:01 p.m. - 8:02 p.m.ORD-SEA
8h 01m1 stop
C$ 773Alaska Airlines
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Wed, 25 Dec - Thu, 2 Jan
12:32 p.m. - 1:11 a.m.SEA-ORD
10h 39m1 stop
6:15 a.m. - 12:41 p.m.ORD-SEA
8h 26m1 stop
C$ 774United Airlines
Find Deal
Wed, 25 Dec - Sat, 4 Jan
6:34 p.m. - 9:03 a.m.SEA-ORD
12h 29m1 stop
6:35 p.m. - 5:15 p.m.ORD-SEA
24h 40m1 stop
C$ 784Sun Country Air
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Tue, 24 Dec - Tue, 31 Dec
11:59 p.m. - 9:03 a.m.SEA-ORD
7h 04m1 stop
8:03 p.m. - 5:22 p.m.ORD-SEA
23h 19m1 stop
C$ 870Sun Country Air
Find Deal
Mon, 23 Dec - Sun, 5 Jan
5:00 a.m. - 6:10 p.m.SEA-ORD
11h 10m2 stops
7:10 p.m. - 12:50 a.m.ORD-SEA
7h 40m1 stop
C$ 873Southwest
Find Deal
Mon, 23 Dec - Sun, 5 Jan
5:00 a.m. - 6:10 p.m.SEA-ORD
11h 10m2 stops
4:20 p.m. - 11:55 p.m.ORD-SEA
9h 35m2 stops
C$ 909Southwest
Find Deal
Mon, 23 Dec - Sun, 5 Jan
7:25 a.m. - 1:30 p.m.SEA-ORD
4h 05mdirect
7:15 a.m. - 10:11 a.m.ORD-SEA
4h 56mdirect
C$ 243Delta
Find Deal
Tue, 4 Feb - Tue, 11 Feb
7:25 a.m. - 1:30 p.m.SEA-ORD
4h 05mdirect
7:15 a.m. - 10:11 a.m.ORD-SEA
4h 56mdirect
C$ 256Delta
Find Deal
Fri, 10 Jan - Sat, 18 Jan
6:10 p.m. - 12:11 a.m.SEA-ORD
4h 01mdirect
7:15 a.m. - 10:11 a.m.ORD-SEA
4h 56mdirect
C$ 268Delta
Find Deal
Thu, 23 Jan - Mon, 27 Jan
7:00 a.m. - 1:06 p.m.SEA-ORD
4h 06mdirect
7:59 p.m. - 10:42 p.m.ORD-SEA
4h 43mdirect
C$ 273United Airlines
Find Deal
Thu, 6 Feb - Tue, 18 Feb
11:45 a.m. - 5:59 p.m.SEA-ORD
4h 14mdirect
6:55 p.m. - 9:46 p.m.ORD-SEA
4h 51mdirect
C$ 285Alaska Airlines
Find Deal
Fri, 24 Jan - Sat, 25 Jan
11:00 p.m. - 5:04 a.m.SEA-ORD
4h 04mdirect
5:10 p.m. - 8:01 p.m.ORD-SEA
4h 51mdirect
C$ 315Alaska Airlines
Find Deal
Sat, 3 May - Fri, 9 May
11:59 p.m. - 6:00 a.m.SEA-ORD
4h 01mdirect
10:35 a.m. - 1:22 p.m.ORD-SEA
4h 47mdirect
C$ 324United Airlines
Find Deal
Fri, 17 Jan - Sun, 19 Jan
6:00 p.m. - 11:59 p.m.SEA-ORD
3h 59mdirect
6:55 p.m. - 9:46 p.m.ORD-SEA
4h 51mdirect
C$ 329Alaska Airlines
Find Deal
Sun, 12 Jan - Sat, 18 Jan
7:00 a.m. - 1:06 p.m.SEA-ORD
4h 06mdirect
10:35 a.m. - 1:22 p.m.ORD-SEA
4h 47mdirect
C$ 331United Airlines
Find Deal
Sun, 19 Jan - Sun, 26 Jan
6:00 p.m. - 11:59 p.m.SEA-ORD
3h 59mdirect
7:45 a.m. - 10:36 a.m.ORD-SEA
4h 51mdirect
C$ 342Alaska Airlines
Find Deal
Wed, 8 Jan - Wed, 22 Jan

Alaska Airlines flights from Seattle to Chicago

Our best Alaska Airlines deals on Seattle to Chicago flight tickets
Alaska Airlines
21 Jan
SEA10:51 p.m.Seattle/Tacoma Intl
12h 16m
1 stop
ORD1:07 p.m.Chicago O'Hare Intl
25 Jan
ORD6:55 p.m.Chicago O'Hare Intl
4h 51m
SEA9:46 p.m.Seattle/Tacoma Intl
Alaska Airlines
3 Feb
SEA11:45 a.m.Seattle/Tacoma Intl
4h 14m
ORD5:59 p.m.Chicago O'Hare Intl
10 Feb
ORD6:55 p.m.Chicago O'Hare Intl
16h 20m
1 stop
SEA9:15 a.m.Seattle/Tacoma Intl
Alaska Airlines
1 Jan
SEA6:00 p.m.Seattle/Tacoma Intl
3h 59m
ORD11:59 p.m.Chicago O'Hare Intl
10 Jan
ORD6:55 p.m.Chicago O'Hare Intl
16h 20m
1 stop
SEA9:15 a.m.Seattle/Tacoma Intl

United Airlines flights from Seattle to Chicago

Our best United Airlines deals on Seattle to Chicago flight tickets
United Airlines
6 Feb
SEA7:00 a.m.Seattle/Tacoma Intl
4h 06m
ORD1:06 p.m.Chicago O'Hare Intl
18 Feb
ORD7:59 p.m.Chicago O'Hare Intl
4h 43m
SEA10:42 p.m.Seattle/Tacoma Intl
United Airlines
24 Jan
SEA9:20 a.m.Seattle/Tacoma Intl
10h 06m
1 stop
ORD9:26 p.m.Chicago O'Hare Intl
25 Jan
ORD8:21 p.m.Chicago O'Hare Intl
4h 49m
SEA11:10 p.m.Seattle/Tacoma Intl
United Airlines
9 Jan
SEA9:20 a.m.Seattle/Tacoma Intl
8h 39m
1 stop
ORD7:59 p.m.Chicago O'Hare Intl
11 Jan
ORD8:21 p.m.Chicago O'Hare Intl
4h 49m
SEA11:10 p.m.Seattle/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 cheapest month to fly to Chicago?

The month of February is another great option to travel to Chicago, with average flight prices from Seattle averaging around C$ 314.

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 C$ 270. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 462. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.

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

In the afternoon is the cheapest time of day to fly from Seattle to Chicago when you can find flight prices for as low as C$ 294. Flying to Chicago in the afternoon is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 437 per ticket.

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?

The best time to book a flight to Chicago from Seattle is 31 days out, which is when prices tend to be around C$ 431. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as C$ 399.

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.

Can stopping save me money on Seattle to Chicago flights?

You could potentially save up to 29% on your flight if you consider stops on a Seattle to Chicago flight.

How have Seattle to Chicago flight prices changed over time?

As of December 2024, prices for Seattle to Chicago flights are approximately 21% 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

C$ 105

Fastest flight time

3h 54m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Seattle in the past 72 hours is C$ 105. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is C$ 240.
The fastest flight from Seattle to Chicago takes 3h 54m
Direct flights go from Seattle to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

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

    A flight from Seattle/Tacoma Intl to Chicago will travel around 2787.8 km. Flights usually cover this in 3h 54m, depending on flying conditions and air traffic around both airports.

  • 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 are updated 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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
DeltaPriceFrom C$ 122Free CancellationRating
8.0
8,597 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 182Free CancellationRating
8.0
9,540 reviews
Search Alaska Airlines flights
  • Delta Flights From Seattle to Chicago

    Delta operates around 8 flights from Seattle to Chicago every week. The average price of these flights found in the last 72 hours has been C$ 208, but momondo users have found Delta deals from Seattle to Chicago from as low as C$ 84 round-trip. Delta has been scored 8.0/10 in 8,597 reviews.

  • Alaska Airlines Flights From Seattle to Chicago

    Across 9,540 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Seattle to Chicago about 17 times each week, with ticket deals ranging from C$ 127 to C$ 242. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Chicago . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Chicago from Seattle with this policy.

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 offers price alerts on flights to Chicago from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago