Cheap flights from Seattle to Chicago O'Hare Intl Airport from $45

1 adult
Economy
0 bags
From?
To?
Tue 10/3
Tue 10/10

Deals available from 900+ travel sites.

Flight information for Seattle to Chicago O'Hare Intl Airport
(SEA to ORD)

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

Best Price Found

$45

Fastest flight time

2h 57m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Seattle in the past 72 hours is $45. The best round-trip flight deal from Seattle to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $125.
The fastest flight from Seattle to Chicago O'Hare Intl Airport takes 2h 57m
Direct flights go from Seattle to Chicago O'Hare Intl Airport every day.

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 June

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

Delta. Alaska Airlines, American Airlines, 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?

32 days before. The cheapest time to buy a flight from Seattle to Chicago O'Hare Intl Airport is approximately 32 days to departure

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

As of September 2023, 24 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 58% 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 170 per week as of September 2023. The most frequent departure day is Monday, with 17% 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 22% on your flight if you consider stops on a Seattle to Chicago O'Hare Intl Airport flight.

If you are looking to fly from Seattle to Chicago, you are most likely going to fly from Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport, the most popular airports on that route. In September, $117 is typically the cheapest round trip price you’ll find from Seattle to Chicago which you can find when you fly SEA — ORD.

Seattle/Tacoma Intl Airport (SEA) to Chicago O'Hare Intl Airport (ORD)$117
Search Flight Deals

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
Frontier
Oct 24
SEA1:23 pmSeattle/Tacoma Intl
15h 30m
1 stop
ORD3:53 amChicago O'Hare Intl
Oct 30
ORD5:11 pmChicago O'Hare Intl
21h 18m
1 stop
SEA2:29 pmSeattle/Tacoma Intl
Multiple Airlines
Nov 1
SEA1:30 amSeattle/Tacoma Intl
9h 56m
1 stop
ORD10:26 amChicago O'Hare Intl
Nov 7
ORD1:21 pmChicago O'Hare Intl
17h 29m
1 stop
SEA6:50 amSeattle/Tacoma Intl
Spirit Airlines
Dec 7
SEA3:07 pmSeattle/Tacoma Intl
14h 50m
1 stop
ORD4:57 amChicago O'Hare Intl
Dec 11
ORD5:30 pmChicago O'Hare Intl
14h 38m
1 stop
SEA8:08 amSeattle/Tacoma Intl
Alaska Airlines
Oct 24
SEA7:04 pmSeattle/Tacoma Intl
3h 56m
ORD10:00 pmChicago O'Hare Intl
Oct 30
ORD2:15 amChicago O'Hare Intl
4h 38m
SEA6:53 amSeattle/Tacoma Intl
Delta
Oct 24
SEA2:20 amSeattle/Tacoma Intl
4h 00m
ORD5:20 amChicago O'Hare Intl
Oct 30
ORD2:15 amChicago O'Hare Intl
4h 38m
SEA6:53 amSeattle/Tacoma Intl
United Airlines
Nov 8
SEA8:32 amSeattle/Tacoma Intl
7h 36m
1 stop
ORD3:08 pmChicago O'Hare Intl
Nov 14
ORD8:10 amChicago O'Hare Intl
4h 49m
SEA12:59 pmSeattle/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, Delta and Frontier
Frontier
Oct 24
SEA1:23 pmSeattle/Tacoma Intl
15h 30m
1 stop
ORD3:53 amChicago O'Hare Intl
Multiple Airlines
Oct 17
SEA6:44 amSeattle/Tacoma Intl
20h 30m
2 stops
ORD2:14 amChicago O'Hare Intl
Spirit Airlines
Oct 16
SEA5:10 pmSeattle/Tacoma Intl
11h 49m
1 stop
ORD3:59 amChicago O'Hare 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
Oct 6
SEA2:47 pmSeattle/Tacoma Intl
14h 12m
1 stop
ORD3:59 amChicago O'Hare Intl
Oct 16
ORD4:22 pmChicago O'Hare Intl
29h 36m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
Spirit Airlines
Oct 4
SEA11:38 amSeattle/Tacoma Intl
17h 21m
1 stop
ORD3:59 amChicago O'Hare Intl
Oct 18
ORD2:21 pmChicago O'Hare Intl
17h 29m
1 stop
SEA7:50 amSeattle/Tacoma Intl
Frontier
Oct 3
SEA8:44 amSeattle/Tacoma Intl
16h 51m
2 stops
ORD12:35 amChicago O'Hare Intl
Oct 6
ORD6:45 pmChicago O'Hare Intl
23h 23m
1 stop
SEA6:08 pmSeattle/Tacoma Intl
Delta
Oct 7
SEA2:20 amSeattle/Tacoma Intl
3h 58m
ORD5:18 amChicago O'Hare Intl
Oct 14
ORD2:15 amChicago O'Hare Intl
4h 35m
SEA6:50 amSeattle/Tacoma Intl
Alaska Airlines
Oct 8
SEA2:00 amSeattle/Tacoma Intl
4h 10m
ORD5:10 amChicago O'Hare Intl
Nov 3
ORD3:30 pmChicago O'Hare Intl
4h 40m
SEA8:10 pmSeattle/Tacoma Intl
American Airlines
Oct 5
SEA9:20 amSeattle/Tacoma Intl
8h 31m
1 stop
ORD4:51 pmChicago O'Hare Intl
Oct 12
ORD2:27 pmChicago O'Hare Intl
4h 44m
SEA7:11 pmSeattle/Tacoma Intl

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 $109Free CancellationRating
7.8
1,565 reviews
Search Delta flights
United AirlinesPriceFrom $109Free CancellationRating
7.2
2,716 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $114Free CancellationRating
7.9
3,001 reviews
Search Alaska Airlines flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.0
2,809 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $129Free CancellationRating
7.1
2,890 reviews
Search American Airlines flights
  • Alaska Airlines Flights From Seattle to Chicago O'Hare Intl Airport

    Alaska Airlines flies from Seattle to Chicago O'Hare Intl Airport around 27 times per week, with 3,001 momondo users rating the airline 7.9/10. The cheapest Alaska Airlines deal from Seattle to Chicago O'Hare Intl Airport in the last 72 hours was $114 (round-trip), much lower than the average airfare cost of $338 for Alaska Airlines flights on this route.

  • Delta Flights From Seattle to Chicago O'Hare Intl Airport

    Across 1,565 Delta reviews on momondo, the average score is 7.8/10. Delta flies from Seattle to Chicago O'Hare Intl Airport about 14 times each week, with ticket deals ranging from $109 to $318. Price data is based on momondo searches in the last 72 hours.


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
Oct 24
SEA1:23 pmSeattle/Tacoma Intl
15h 30m
1 stop
ORD3:53 amChicago O'Hare Intl
Oct 30
ORD5:11 pmChicago O'Hare Intl
21h 18m
1 stop
SEA2:29 pmSeattle/Tacoma Intl
Frontier
Oct 20
SEA4:19 pmSeattle/Tacoma Intl
24h 02m
1 stop
ORD3:21 pmChicago O'Hare Intl
Oct 23
ORD6:00 pmChicago O'Hare Intl
20h 33m
1 stop
SEA2:33 pmSeattle/Tacoma Intl
Frontier
Nov 4
SEA5:35 pmSeattle/Tacoma Intl
11h 55m
1 stop
ORD3:30 amChicago O'Hare Intl
Nov 5
ORD4:12 pmChicago O'Hare Intl
15h 12m
1 stop
SEA7:24 amSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on Seattle to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Oct 24
SEA7:04 pmSeattle/Tacoma Intl
3h 56m
ORD10:00 pmChicago O'Hare Intl
Oct 30
ORD2:15 amChicago O'Hare Intl
4h 38m
SEA6:53 amSeattle/Tacoma Intl
Alaska Airlines
Nov 4
SEA2:00 amSeattle/Tacoma Intl
4h 10m
ORD5:10 amChicago O'Hare Intl
Nov 5
ORD1:15 amChicago O'Hare Intl
4h 38m
SEA4:53 amSeattle/Tacoma Intl
Alaska Airlines
Oct 16
SEA7:04 pmSeattle/Tacoma Intl
3h 56m
ORD10:00 pmChicago O'Hare Intl
Oct 24
ORD2:15 amChicago O'Hare Intl
4h 38m
SEA6:53 amSeattle/Tacoma Intl

  • 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 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 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.


Alternative routes for Seattle to Chicago O'Hare Intl Airport

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Seattle to Chicago Midway Airport Flights
Fastest flight time3h 55m
Cheapest price$136
Spokane to Chicago O'Hare Intl Airport Flights
Fastest flight time5h 39m
Cheapest price$242
Spokane to Chicago Midway Airport Flights
Fastest flight time5h 20m
Cheapest price$242
Pasco to Chicago O'Hare Intl Airport Flights
Fastest flight time8h 34m
Cheapest price$295

Similar Seattle to Chicago O'Hare Intl Airport flights

Flexible with your destination? Broaden your search and find flights similar to your Seattle to Chicago O'Hare Intl Airport route

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.