Insights
Latest deals
Reviews
FAQs

Cheap flights from Seattle to Chicago from $70

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 5/29. 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
From?
To?
Mon 5/6
Mon 5/13

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? Create a price alert to track prices.

Easily compare round-trip flights from Seattle to Chicago

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 by changing tabs
Spirit Airlines
May 29
SEA9:35 amSeattle/Tacoma Intl
10h 20m
1 stop
ORD9:55 pmChicago O'Hare Intl
Jun 4
ORD10:52 pmChicago O'Hare Intl
11h 40m
1 stop
SEA8:32 amSeattle/Tacoma Intl
Alaska Airlines
May 29
SEA2:20 pmSeattle/Tacoma Intl
4h 04m
ORD8:24 pmChicago O'Hare Intl
Jun 5
ORD9:20 pmChicago O'Hare Intl
4h 35m
SEA11:55 pmSeattle/Tacoma Intl
United Airlines
Oct 1
SEA12:44 pmSeattle/Tacoma Intl
10h 01m
1 stop
ORD12:45 amChicago O'Hare Intl
Oct 5
ORD8:15 pmChicago O'Hare Intl
4h 37m
SEA10:52 pmSeattle/Tacoma Intl
Multiple Airlines
May 25
SEA10:49 pmSeattle/Tacoma Intl
4h 06m
ORD4:55 amChicago O'Hare Intl
May 28
ORD10:52 pmChicago O'Hare Intl
11h 53m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Delta
May 29
SEA6:00 pmSeattle/Tacoma Intl
4h 05m
ORD12:05 amChicago O'Hare Intl
Jun 5
ORD7:40 pmChicago O'Hare Intl
4h 43m
SEA10:23 pmSeattle/Tacoma Intl
Frontier
Sep 18
SEA11:30 amSeattle/Tacoma Intl
15h 17m
1 stop
ORD4:47 amChicago O'Hare Intl
Sep 24
ORD7:30 pmChicago O'Hare Intl
17h 18m
1 stop
SEA10:48 amSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Chicago

If you're looking for one-way flights from Seattle to Chicago, view some of our deals below provided by Alaska Airlines, Delta and Spirit Airlines
Alaska Airlines
May 29
SEA12:14 pmSeattle/Tacoma Intl
4h 15m
ORD6:29 pmChicago O'Hare Intl
Delta
May 21
SEA6:00 pmSeattle/Tacoma Intl
4h 05m
ORD12:05 amChicago O'Hare Intl
Spirit Airlines
May 29
SEA9:35 amSeattle/Tacoma Intl
20h 38m
2 stops
ORD8:13 amChicago O'Hare Intl

Search last-minute flights to Chicago from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to Chicago
Frontier
May 7
SEA9:35 pmSeattle/Tacoma Intl
12h 03m
1 stop
MDW11:38 amChicago Midway
May 9
MDW10:59 pmChicago Midway
22h 31m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Multiple Airlines
May 11
SEA2:55 pmSeattle/Tacoma Intl
8h 01m
1 stop
ORD12:56 amChicago O'Hare Intl
May 15
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Spirit Airlines
May 7
SEA9:38 amSeattle/Tacoma Intl
21h 46m
2 stops
ORD9:24 amChicago O'Hare Intl
May 8
ORD5:50 pmChicago O'Hare Intl
16h 55m
1 stop
SEA8:45 amSeattle/Tacoma Intl
American Airlines
May 6
SEA11:59 pmSeattle/Tacoma Intl
4h 12m
ORD6:11 amChicago O'Hare Intl
Jun 6
ORD7:08 pmChicago O'Hare Intl
4h 49m
SEA9:57 pmSeattle/Tacoma Intl
Alaska Airlines
May 6
SEA11:46 pmSeattle/Tacoma Intl
3h 59m
ORD5:45 amChicago O'Hare Intl
May 13
ORD6:00 amChicago O'Hare Intl
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Frontier
May 11
SEA2:55 pmSeattle/Tacoma Intl
8h 01m
1 stop
ORD12:56 amChicago O'Hare Intl
May 15
ORD6:27 pmChicago O'Hare Intl
16h 03m
1 stop
SEA8:30 amSeattle/Tacoma Intl

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 $98Free CancellationRating
8.0
10,874 reviews
Search Delta flights
Alaska AirlinesPriceFrom $99Free CancellationRating
8.0
9,115 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
11,159 reviews
Search United Airlines flights
FrontierPriceFrom $120Free CancellationRating
6.2
4,114 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $129Free CancellationRating
6.4
8,741 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $139Free CancellationRating
7.3
14,788 reviews
Search American Airlines flights
  • Delta Flights From Seattle to Chicago

    Delta flies from Seattle to Chicago around 14 times per week, with 10,874 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Chicago in the last 72 hours was $98 (round-trip), much lower than the average airfare cost of $435 for Delta flights on this route.

  • Alaska Airlines Flights From Seattle to Chicago

    $99 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 $308, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,115 user reviews) flies into Chicago from Seattle 27 times in an average week so prices can vary.


Delta flights from Seattle to Chicago

Our best Delta deals on Seattle to Chicago flight tickets
Delta
May 29
SEA6:00 pmSeattle/Tacoma Intl
4h 05m
ORD12:05 amChicago O'Hare Intl
Jun 5
ORD7:40 pmChicago O'Hare Intl
4h 43m
SEA10:23 pmSeattle/Tacoma Intl
Delta
May 29
SEA6:00 pmSeattle/Tacoma Intl
4h 05m
ORD12:05 amChicago O'Hare Intl
Jun 3
ORD6:00 amChicago O'Hare Intl
4h 28m
SEA8:28 amSeattle/Tacoma Intl
Delta
Jun 3
SEA1:30 pmSeattle/Tacoma Intl
4h 11m
ORD7:41 pmChicago O'Hare Intl
Jun 6
ORD2:29 pmChicago O'Hare Intl
4h 31m
SEA5:00 pmSeattle/Tacoma Intl

Frontier flights from Seattle to Chicago

Our best Frontier deals on Seattle to Chicago flight tickets
Frontier
Sep 18
SEA11:30 amSeattle/Tacoma Intl
15h 17m
1 stop
ORD4:47 amChicago O'Hare Intl
Sep 24
ORD7:30 pmChicago O'Hare Intl
17h 18m
1 stop
SEA10:48 amSeattle/Tacoma Intl
Frontier
Sep 5
SEA7:51 pmSeattle/Tacoma Intl
8h 42m
1 stop
MDW6:33 amChicago Midway
Sep 12
MDW11:32 amChicago Midway
11h 44m
1 stop
SEA9:16 pmSeattle/Tacoma Intl
Frontier
Sep 5
SEA7:51 pmSeattle/Tacoma Intl
8h 42m
1 stop
MDW6:33 amChicago Midway
Sep 9
MDW11:32 amChicago Midway
11h 16m
1 stop
SEA8:48 pmSeattle/Tacoma Intl

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 from Seattle to Chicago?

January. The cheapest time of year to fly to Chicago from Seattle is January. Most expensive is July

What is the cheapest day to depart Seattle for Chicago?

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

When is the cheapest time to fly from Seattle to Chicago?

In the afternoon. Seattle to Chicago flights are approximately 12% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Chicago from Seattle?

Frontier. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Seattle to Chicago

What is the cheapest Seattle to Chicago flight route?

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

How far in advance should you book Seattle to Chicago flights?

38 days before. The cheapest time to buy a flight from Seattle to Chicago is approximately 38 days to departure

How many flights depart from Seattle to Chicago on average per day?

25 flights are operational weekly from Seattle to Chicago as of May 2024. The most popular departure time for this route is 5:00AM, with 32% of flights per day taking off in the afternoon.

How many flights depart from Seattle to Chicago on average per week?

As of May 2024, 177 flights take off from Seattle and land in Chicago each week. The most common flight departure day for this route is Monday, with 17% of weekly flights taking off on this day.

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

There are 4 cabin classes available to choose from on Seattle 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?

No. A direct flight is the cheapest option for a flight between Seattle to Chicago.

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

$70

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 $70. The best round-trip flight deal from Seattle to Chicago found on momondo in the last 72 hours is $135.
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.


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.


An easier way to manage your Chicago 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?
Mon 5/6
Mon 5/13
Email me momondo's favorite deals

Find better results for your stay in the United States

Fly into one of these airports located in Chicago
Airports listed have a maximum distance of 78.5 mi from Chicago