Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Chicago O'Hare Intl Airport from $79

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 10/13. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Easily compare round-trip flights from Seattle to Chicago O'Hare Intl Airport

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Chicago O'Hare Intl Airport by changing tabs
Spirit Airlines
Oct 2
SEA5:30 amSeattle/Tacoma Intl
14h 09m
1 stop
ORD9:39 pmChicago O'Hare Intl
Oct 8
ORD10:30 pmChicago O'Hare Intl
16h 03m
1 stop
SEA12:33 pmSeattle/Tacoma Intl
Multiple Airlines
Oct 1
SEA9:01 amSeattle/Tacoma Intl
12h 03m
1 stop
ORD11:04 pmChicago O'Hare Intl
Oct 8
ORD10:30 pmChicago O'Hare Intl
16h 03m
1 stop
SEA12:33 pmSeattle/Tacoma Intl
Frontier
Sep 28
SEA9:46 pmSeattle/Tacoma Intl
8h 48m
1 stop
ORD8:34 amChicago O'Hare Intl
Oct 5
ORD4:36 pmChicago O'Hare Intl
17h 25m
1 stop
SEA8:01 amSeattle/Tacoma Intl
Alaska Airlines
Oct 4
SEA10:40 pmSeattle/Tacoma Intl
3h 50m
ORD4:30 amChicago O'Hare Intl
Oct 11
ORD7:16 pmChicago O'Hare Intl
4h 44m
SEA10:00 pmSeattle/Tacoma Intl
American Airlines
Nov 4
SEA12:15 amSeattle/Tacoma Intl
4h 04m
ORD6:19 amChicago O'Hare Intl
Nov 9
ORD9:57 amChicago O'Hare Intl
4h 41m
SEA12:38 pmSeattle/Tacoma Intl
Delta
Nov 13
SEA5:59 pmSeattle/Tacoma Intl
3h 59m
ORD11:58 pmChicago O'Hare Intl
Nov 16
ORD6:05 amChicago O'Hare Intl
4h 50m
SEA8:55 amSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Chicago O'Hare Intl Airport

If you're looking for one-way flights from Seattle to Chicago O'Hare Intl Airport, view some of our deals below provided by Alaska Airlines, Frontier and Spirit Airlines
Frontier
Oct 13
SEA9:46 pmSeattle/Tacoma Intl
9h 58m
1 stop
ORD9:44 amChicago O'Hare Intl
Spirit Airlines
Oct 28
SEA5:30 amSeattle/Tacoma Intl
23h 00m
2 stops
ORD6:30 amChicago O'Hare Intl
Alaska Airlines
Oct 1
SEA10:40 pmSeattle/Tacoma Intl
3h 50m
ORD4:30 amChicago O'Hare Intl

Find the cheapest direct flights from Seattle to Chicago

Alaska Airlines
Nov 16
SEA6:06 pmSeattle/Tacoma Intl
3h 53m
ORD11:59 pmChicago O'Hare Intl
Nov 19
ORD7:00 amChicago O'Hare Intl
4h 38m
SEA9:38 amSeattle/Tacoma Intl
Delta
Oct 4
SEA6:00 pmSeattle/Tacoma Intl
3h 59m
ORD11:59 pmChicago O'Hare Intl
Oct 8
ORD6:50 pmChicago O'Hare Intl
4h 51m
SEA9:41 pmSeattle/Tacoma Intl
United Airlines
Oct 9
SEA5:20 pmSeattle/Tacoma Intl
4h 00m
ORD11:20 pmChicago O'Hare Intl
Oct 16
ORD7:38 pmChicago O'Hare Intl
4h 37m
SEA10:15 pmSeattle/Tacoma Intl
American Airlines
Sep 23
SEA12:22 amSeattle/Tacoma Intl
4h 04m
ORD6:26 amChicago O'Hare Intl
Oct 1
ORD7:00 pmChicago O'Hare Intl
4h 58m
SEA9:58 pmSeattle/Tacoma Intl
Alaska Airlines
Oct 4
SEA10:40 pmSeattle/Tacoma Intl
3h 50m
ORD4:30 amChicago O'Hare Intl
Oct 11
ORD7:16 pmChicago O'Hare Intl
4h 44m
SEA10:00 pmSeattle/Tacoma Intl
Delta
Nov 5
SEA7:10 amSeattle/Tacoma Intl
4h 05m
ORD1:15 pmChicago O'Hare Intl
Nov 9
ORD2:10 pmChicago O'Hare Intl
4h 38m
SEA4:48 pmSeattle/Tacoma Intl

Search last-minute flights to Chicago O'Hare Intl Airport from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to Chicago O'Hare Intl Airport
Multiple Airlines
Sep 25
SEA8:21 pmSeattle/Tacoma Intl
12h 16m
1 stop
ORD10:37 amChicago O'Hare Intl
Oct 1
ORD10:30 pmChicago O'Hare Intl
15h 14m
1 stop
SEA11:44 amSeattle/Tacoma Intl
Spirit Airlines
Sep 24
SEA12:44 pmSeattle/Tacoma Intl
15h 11m
1 stop
ORD5:55 amChicago O'Hare Intl
Oct 1
ORD10:30 pmChicago O'Hare Intl
15h 14m
1 stop
SEA11:44 amSeattle/Tacoma Intl
Frontier
Sep 26
SEA9:46 pmSeattle/Tacoma Intl
25h 04m
1 stop
ORD12:50 amChicago O'Hare Intl
Oct 1
ORD4:36 pmChicago O'Hare Intl
17h 25m
1 stop
SEA8:01 amSeattle/Tacoma Intl
United Airlines
Sep 25
SEA11:59 pmSeattle/Tacoma Intl
4h 01m
ORD6:00 amChicago O'Hare Intl
Sep 28
ORD4:04 pmChicago O'Hare Intl
4h 37m
SEA6:41 pmSeattle/Tacoma Intl
Delta
Sep 26
SEA7:10 amSeattle/Tacoma Intl
4h 05m
ORD1:15 pmChicago O'Hare Intl
Oct 1
ORD2:15 pmChicago O'Hare Intl
4h 35m
SEA4:50 pmSeattle/Tacoma Intl
Alaska Airlines
Sep 25
SEA10:44 pmSeattle/Tacoma Intl
3h 56m
ORD4:40 amChicago O'Hare Intl
Sep 28
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl

Frontier flights from Seattle to Chicago O'Hare Intl Airport

Our best Frontier deals on Seattle to Chicago O'Hare Intl Airport flight tickets
Frontier
Sep 28
SEA9:46 pmSeattle/Tacoma Intl
8h 48m
1 stop
ORD8:34 amChicago O'Hare Intl
Oct 5
ORD4:36 pmChicago O'Hare Intl
17h 25m
1 stop
SEA8:01 amSeattle/Tacoma Intl
Frontier
Oct 17
SEA9:12 amSeattle/Tacoma Intl
12h 55m
1 stop
ORD12:07 amChicago O'Hare Intl
Oct 22
ORD4:44 pmChicago O'Hare Intl
16h 25m
1 stop
SEA7:09 amSeattle/Tacoma Intl
Frontier
Oct 3
SEA9:46 pmSeattle/Tacoma Intl
25h 04m
1 stop
ORD12:50 amChicago O'Hare Intl
Oct 7
ORD10:41 amChicago O'Hare Intl
23h 26m
1 stop
SEA8:07 amSeattle/Tacoma Intl

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
Nov 13
SEA5:59 pmSeattle/Tacoma Intl
3h 59m
ORD11:58 pmChicago O'Hare Intl
Nov 16
ORD6:05 amChicago O'Hare Intl
4h 50m
SEA8:55 amSeattle/Tacoma Intl
Delta
Nov 9
SEA6:00 pmSeattle/Tacoma Intl
3h 59m
ORD11:59 pmChicago O'Hare Intl
Nov 11
ORD6:05 amChicago O'Hare Intl
4h 50m
SEA8:55 amSeattle/Tacoma Intl
Delta
Nov 13
SEA5:59 pmSeattle/Tacoma Intl
3h 59m
ORD11:58 pmChicago O'Hare Intl
Nov 22
ORD6:05 amChicago O'Hare Intl
4h 50m
SEA8:55 amSeattle/Tacoma Intl

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 from Seattle to Chicago O'Hare Intl Airport?

January. The cheapest time of year to fly to Chicago O'Hare Intl Airport from Seattle is January. Most expensive is July

What is the cheapest day to depart Seattle for Chicago O'Hare Intl Airport?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to Chicago O'Hare Intl Airport?

In the evening. Seattle to Chicago O'Hare Intl Airport flights are approximately 10% more expensive in the morning than in the evening

What is the cheapest airline that flies to Chicago O'Hare Intl Airport from Seattle?

Spirit Airlines. Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Seattle to Chicago O'Hare Intl Airport

How far in advance should you book Seattle to Chicago O'Hare Intl Airport flights?

51 days before. The cheapest time to buy a flight from Seattle to Chicago O'Hare Intl Airport is approximately 51 days to departure

How many flights depart from Seattle to Chicago O'Hare Intl Airport on average per day?

As of September 2024, 41 flights take off from Seattle and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 6:00AM, with 57% of daily flights taking off at noon.

How many flights depart from Seattle to Chicago O'Hare Intl Airport on average per week?

The number of flights available between Seattle and Chicago O'Hare Intl Airport is 289 per week as of September 2024. The most frequent departure day is Thursday, with 20% of weekly flights leaving on this day.

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

There are 4 cabin classes available to choose from on Seattle to Chicago O'Hare Intl Airport 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 38% 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 September 2024, prices for Seattle to Chicago O'Hare Intl Airport flights are approximately 18% cheaper 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

$79

Fastest flight time

3h 50m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Seattle in the past 72 hours is $79. The best round-trip flight deal from Seattle to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $96.
The fastest flight from Seattle to Chicago O'Hare Intl Airport takes 3h 50m
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?

    Seattle/Tacoma Intl and Chicago O'Hare Intl are 1716.3 mi apart from one another. In terms of flight time, this usually takes a little over 3h 50m.

  • 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 refreshed on a daily basis.

  • 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?

    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 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 $102Free CancellationRating
8.0
9,116 reviews
Search Delta flights
Alaska AirlinesPriceFrom $108Free CancellationRating
8.0
9,357 reviews
Search Alaska Airlines flights
FrontierPriceFrom $122Free CancellationRating
6.1
3,714 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $128Free CancellationRating
6.3
8,265 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $138Free CancellationRating
7.3
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
9,570 reviews
Search United Airlines flights
  • Delta Flights From Seattle to Chicago O'Hare Intl Airport

    Delta flies from Seattle to Chicago O'Hare Intl Airport around 19 times per week, with 9,116 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Chicago O'Hare Intl Airport in the last 72 hours was $102 (round-trip), much lower than the average airfare cost of $295 for Delta flights on this route.

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

    Across 9,357 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Seattle to Chicago O'Hare Intl Airport about 25 times each week, with ticket deals ranging from $108 to $308. 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Chicago for you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Seattle.

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.


An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 9/17
Tue 9/24
Email me momondo's favorite deals

Find better results for your trip to Chicago