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Cheap flights from Seattle to Chicago O'Hare Intl Airport from C$ 88

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 O'Hare Intl Airport departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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.
11:00 p.m. - 5:04 a.m.SEA-ORD
4h 04mdirect
10:00 a.m. - 12:50 p.m.ORD-SEA
4h 50mdirect
C$ 236Alaska Airlines
Find Deal
Tue, 1 Apr - Sat, 5 Apr
7:10 a.m. - 1:15 p.m.SEA-ORD
4h 05mdirect
7:00 a.m. - 9:58 a.m.ORD-SEA
4h 58mdirect
C$ 249Delta
Find Deal
Wed, 15 Jan - Sun, 19 Jan
7:10 a.m. - 1:15 p.m.SEA-ORD
4h 05mdirect
7:00 a.m. - 9:58 a.m.ORD-SEA
4h 58mdirect
C$ 250Delta
Find Deal
Thu, 2 Jan - Wed, 8 Jan
5:51 p.m. - 11:47 p.m.SEA-ORD
3h 56mdirect
6:32 a.m. - 9:20 a.m.ORD-SEA
4h 48mdirect
C$ 256Alaska Airlines
Find Deal
Sat, 14 Dec - Mon, 16 Dec
9:25 a.m. - 7:40 p.m.SEA-ORD
8h 15m1 stop
9:20 a.m. - 12:08 p.m.ORD-SEA
4h 48mdirect
C$ 282United Airlines
Find Deal
Thu, 12 Dec - Mon, 16 Dec
11:55 p.m. - 5:52 a.m.SEA-ORD
3h 57mdirect
9:20 a.m. - 12:08 p.m.ORD-SEA
4h 48mdirect
C$ 304United Airlines
Find Deal
Thu, 12 Dec - Mon, 16 Dec
9:00 a.m. - 10:35 p.m.SEA-ORD
11h 35m2 stops
12:15 p.m. - 5:50 p.m.ORD-SEA
7h 35m1 stop
C$ 392Southwest
Find Deal
Mon, 6 Jan - Mon, 13 Jan
12:15 a.m. - 6:17 a.m.SEA-ORD
4h 02mdirect
8:25 p.m. - 11:15 p.m.ORD-SEA
4h 50mdirect
C$ 416American Airlines
Find Deal
Sun, 8 Dec - Thu, 12 Dec
7:45 a.m. - 10:35 p.m.SEA-ORD
12h 50m2 stops
12:15 p.m. - 10:05 p.m.ORD-SEA
11h 50m2 stops
C$ 476Southwest
Find Deal
Fri, 7 Feb - Mon, 10 Feb
12:45 a.m. - 11:04 a.m.SEA-ORD
8h 19m1 stop
8:25 p.m. - 11:15 p.m.ORD-SEA
4h 50mdirect
C$ 490American Airlines
Find Deal
Sun, 8 Dec - Thu, 12 Dec
12:13 p.m. - 7:25 p.m.SEA-ORD
29h 12m1 stop
C$ 88Frontier
Find Deal
Thu, 9 Jan
10:36 p.m. - 4:40 a.m.SEA-ORD
4h 04mdirect
C$ 119Alaska Airlines
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Tue, 31 Dec
4:58 p.m. - 4:53 a.m.SEA-ORD
9h 55m1 stop
C$ 126United Airlines
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Tue, 4 Mar
5:55 p.m. - 11:56 p.m.SEA-ORD
4h 01mdirect
C$ 131Delta
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Thu, 9 Jan
1:35 p.m. - 7:40 p.m.SEA-ORD
4h 05mdirect
C$ 133American Airlines
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Thu, 9 Jan
11:59 p.m. - 5:53 a.m.SEA-ORD
3h 54mdirect
C$ 137United Airlines
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Mon, 17 Feb
7:15 a.m. - 1:20 p.m.SEA-ORD
4h 05mdirect
C$ 158Delta
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Wed, 4 Dec
11:59 p.m. - 10:45 a.m.SEA-ORD
8h 46m1 stop
C$ 214Sun Country Air
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Thu, 26 Dec
7:00 p.m. - 3:52 p.m.SEA-ORD
18h 52m1 stop
C$ 472Sun Country Air
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Sat, 21 Dec
12:31 a.m. - 6:34 a.m.SEA-ORD
4h 03mdirect
C$ 532American Airlines
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Sun, 22 Dec
5:59 p.m. - 11:58 p.m.SEA-ORD
3h 59mdirect
6:05 a.m. - 8:55 a.m.ORD-SEA
4h 50mdirect
C$ 331Delta
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Tue, 26 Nov - Thu, 28 Nov
10:35 a.m. - 4:53 p.m.SEA-ORD
4h 18mdirect
7:00 a.m. - 12:58 p.m.ORD-SEA
7h 58m1 stop
C$ 390Alaska Airlines
Find Deal
Tue, 26 Nov - Thu, 28 Nov
10:35 a.m. - 4:53 p.m.SEA-ORD
4h 18mdirect
6:00 a.m. - 8:44 a.m.ORD-SEA
4h 44mdirect
C$ 571Alaska Airlines
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Mon, 25 Nov - Thu, 28 Nov
12:55 a.m. - 11:40 a.m.SEA-ORD
8h 45m1 stop
6:05 a.m. - 8:55 a.m.ORD-SEA
4h 50mdirect
C$ 645Delta
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Mon, 25 Nov - Thu, 28 Nov
8:30 a.m. - 10:35 p.m.SEA-ORD
12h 05m2 stops
5:45 a.m. - 4:10 p.m.ORD-SEA
12h 25m1 stop
C$ 693Southwest
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Tue, 26 Nov - Thu, 28 Nov
8:30 a.m. - 10:35 p.m.SEA-ORD
12h 05m2 stops
7:00 a.m. - 4:10 p.m.ORD-SEA
11h 10m2 stops
C$ 700Southwest
Find Deal
Tue, 26 Nov - Thu, 28 Nov
6:59 p.m. - 5:28 p.m.SEA-ORD
20h 29m1 stop
11:42 a.m. - 5:14 p.m.ORD-SEA
7h 32m1 stop
C$ 705Sun Country Air
Find Deal
Sat, 23 Nov - Tue, 26 Nov
6:30 p.m. - 10:48 a.m.SEA-ORD
14h 18m1 stop
6:50 p.m. - 9:31 a.m.ORD-SEA
16h 41m1 stop
C$ 807Sun Country Air
Find Deal
Mon, 25 Nov - Tue, 26 Nov
10:55 a.m. - 4:59 p.m.SEA-ORD
4h 04mdirect
7:55 p.m. - 10:46 p.m.ORD-SEA
4h 51mdirect
C$ 1,053United Airlines
Find Deal
Fri, 22 Nov - Fri, 22 Nov
10:55 a.m. - 4:59 p.m.SEA-ORD
4h 04mdirect
4:05 p.m. - 6:54 p.m.ORD-SEA
4h 49mdirect
C$ 1,233United Airlines
Find Deal
Tue, 26 Nov - Sat, 30 Nov
11:00 p.m. - 5:04 a.m.SEA-ORD
4h 04mdirect
10:00 a.m. - 12:50 p.m.ORD-SEA
4h 50mdirect
C$ 236Alaska Airlines
Find Deal
Tue, 1 Apr - Sat, 5 Apr
7:10 a.m. - 1:15 p.m.SEA-ORD
4h 05mdirect
7:00 a.m. - 9:58 a.m.ORD-SEA
4h 58mdirect
C$ 249Delta
Find Deal
Wed, 15 Jan - Sun, 19 Jan
7:10 a.m. - 1:15 p.m.SEA-ORD
4h 05mdirect
7:00 a.m. - 9:58 a.m.ORD-SEA
4h 58mdirect
C$ 250Delta
Find Deal
Thu, 2 Jan - Wed, 8 Jan
7:10 a.m. - 1:15 p.m.SEA-ORD
4h 05mdirect
2:10 p.m. - 4:56 p.m.ORD-SEA
4h 46mdirect
C$ 251Delta
Find Deal
Thu, 2 Jan - Wed, 8 Jan
5:51 p.m. - 11:47 p.m.SEA-ORD
3h 56mdirect
6:32 a.m. - 9:20 a.m.ORD-SEA
4h 48mdirect
C$ 256Alaska Airlines
Find Deal
Sat, 14 Dec - Mon, 16 Dec
5:55 p.m. - 11:56 p.m.SEA-ORD
4h 01mdirect
2:10 p.m. - 4:56 p.m.ORD-SEA
4h 46mdirect
C$ 261Delta
Find Deal
Thu, 9 Jan - Mon, 13 Jan
11:55 p.m. - 5:52 a.m.SEA-ORD
3h 57mdirect
9:20 a.m. - 12:08 p.m.ORD-SEA
4h 48mdirect
C$ 304United Airlines
Find Deal
Thu, 12 Dec - Mon, 16 Dec
7:00 a.m. - 1:06 p.m.SEA-ORD
4h 06mdirect
8:04 p.m. - 10:53 p.m.ORD-SEA
4h 49mdirect
C$ 321United Airlines
Find Deal
Sat, 18 Jan - Mon, 20 Jan
12:15 a.m. - 6:17 a.m.SEA-ORD
4h 02mdirect
8:25 p.m. - 11:15 p.m.ORD-SEA
4h 50mdirect
C$ 416American Airlines
Find Deal
Sun, 8 Dec - Thu, 12 Dec
12:31 a.m. - 6:34 a.m.SEA-ORD
4h 03mdirect
8:30 p.m. - 11:31 p.m.ORD-SEA
5h 01mdirect
C$ 616American Airlines
Find Deal
Thu, 26 Dec - Fri, 3 Jan

Delta flights from Seattle to Chicago O'Hare Intl Airport

Our best Delta deals on Seattle to Chicago O'Hare Intl Airport flight tickets
Delta
15 Jan
SEA7:10 a.m.Seattle/Tacoma Intl
4h 05m
ORD1:15 p.m.Chicago O'Hare Intl
19 Jan
ORD7:00 a.m.Chicago O'Hare Intl
4h 58m
SEA9:58 a.m.Seattle/Tacoma Intl
Delta
2 Jan
SEA7:10 a.m.Seattle/Tacoma Intl
4h 05m
ORD1:15 p.m.Chicago O'Hare Intl
8 Jan
ORD7:00 a.m.Chicago O'Hare Intl
4h 58m
SEA9:58 a.m.Seattle/Tacoma Intl
Delta
2 Jan
SEA7:10 a.m.Seattle/Tacoma Intl
4h 05m
ORD1:15 p.m.Chicago O'Hare Intl
8 Jan
ORD7:00 a.m.Chicago O'Hare Intl
4h 58m
SEA9:58 a.m.Seattle/Tacoma Intl

Southwest flights from Seattle to Chicago O'Hare Intl Airport

Our best Southwest deals on Seattle to Chicago O'Hare Intl Airport flight tickets
Southwest
6 Jan
SEA9:00 a.m.Seattle/Tacoma Intl
11h 35m
2 stops
ORD10:35 p.m.Chicago O'Hare Intl
13 Jan
ORD12:15 p.m.Chicago O'Hare Intl
7h 35m
1 stop
SEA5:50 p.m.Seattle/Tacoma Intl
Southwest
7 Feb
SEA7:45 a.m.Seattle/Tacoma Intl
12h 50m
2 stops
ORD10:35 p.m.Chicago O'Hare Intl
10 Feb
ORD12:15 p.m.Chicago O'Hare Intl
11h 50m
2 stops
SEA10:05 p.m.Seattle/Tacoma Intl
Southwest
15 Dec
SEA5:00 a.m.Seattle/Tacoma Intl
7h 25m
1 stop
ORD2:25 p.m.Chicago O'Hare Intl
19 Dec
ORD6:15 a.m.Chicago O'Hare Intl
12h 40m
2 stops
SEA4:55 p.m.Seattle/Tacoma Intl

See travel insights to Chicago from

How to get the cheapest flight ticket from Seattle to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

In general, January is the cheapest month to fly from Seattle to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 276. The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Seattle averaging around C$ 289.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as C$ 233. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Chicago O'Hare Intl Airport for around C$ 526.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

At noon is the cheapest time of day to fly from Seattle to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 166. Flying to Chicago O'Hare Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 318 on average. Flights to Chicago O'Hare Intl Airport from Seattle in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

The best time to book a flight to Chicago O'Hare Intl Airport from Seattle is 31 days out, which is when prices tend to be around C$ 412. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Seattle for as low as C$ 415 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Chicago O'Hare Intl 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 O'Hare Intl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a Seattle to Chicago O'Hare Intl Airport flight.

How have Seattle to Chicago O'Hare Intl Airport flight prices changed over time?

As of November 2024, prices for Seattle to Chicago O'Hare Intl Airport flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Chicago O'Hare Intl Airport

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

Cheap Seattle to Chicago O'Hare Intl Airport (SEA to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Chicago O'Hare Intl Airport

Best price found

C$ 88

Fastest flight time

3h 54m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Seattle in the past 72 hours is C$ 88. The best round-trip flight deal from Seattle to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 236.
The fastest flight from Seattle to Chicago O'Hare Intl Airport takes 3h 54m
Direct flights go from Seattle to Chicago O'Hare Intl Airport every day.

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

    The straight-line distance from Seattle/Tacoma Intl to Chicago O'Hare Intl is 2762.2 km. A reasonable flight in good conditions will take 3h 54m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Seattle to Chicago O'Hare Intl Airport?


Best airlines flying from Seattle to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Seattle to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 72Free CancellationRating
8.0
8,755 reviews
Search Delta flights
American AirlinesPriceFrom C$ 118Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom C$ 177Free CancellationRating
8.0
9,464 reviews
Search Alaska Airlines flights
  • Delta Flights From Seattle to Chicago O'Hare Intl Airport

    Delta is one of the most popular airlines flying from Seattle to Chicago O'Hare Intl Airport, operating 21 flights/week on average for this route. A good Delta flight deal for Seattle to Chicago O'Hare Intl Airport starts from C$ 52 round-trip, up to an average price of C$ 208. Our users have rated Delta at 8.0/10.

  • Alaska Airlines Flights From Seattle to Chicago O'Hare Intl Airport

    Alaska Airlines (8.0/10 from 9,464 reviews) operates around 5 flights from Seattle to Chicago O'Hare Intl Airport in any given week. The average Alaska Airlines airfare for this route is around C$ 240, with deals from around C$ 127 rare but found on momondo. Referenced prices are for round-trip Seattle to Chicago O'Hare Intl Airport flight searches in the last 72 hours.


Why use momondo?

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

It is quick and easy to find Seattle to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Yes. All flights to Chicago from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Seattle and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Seattle to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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