Cheap flight from Seattle to Chicago from $67
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Flights from Seattle to Chicago
Find cheap airlines flights from Seattle to Chicago
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Cheap flight deals from Seattle to Chicago
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
SEA 5:55 PM4h 4mNonstopORD 11:59 PMSeattle - Chicago | Wed, Jun 4 | Hawaiian Airlines
ORD 6:00 AM4h 27mNonstopSEA 8:27 AMChicago - Seattle | Tue, Jun 10 | Hawaiian Airlines$119 $25153% OFF53% OFF$251 $119 -
SEA 12:40 PM4h 15mNonstopORD 6:55 PMSeattle - Chicago | Wed, Jun 4 | Alaska Airlines
ORD 6:00 AM4h 27mNonstopSEA 8:27 AMChicago - Seattle | Tue, Jun 10 | Hawaiian Airlines$120 $25152% OFF52% OFF$251 $120 -
SEA 10:50 AM4h 12mNonstopORD 5:02 PMSeattle - Chicago | Sat, May 31 | Alaska Airlines
ORD 6:00 AM4h 27mNonstopSEA 8:27 AMChicago - Seattle | Sat, Jun 7 | Hawaiian Airlines$121 $25152% OFF52% OFF$251 $121
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SEA 6:00 AM4h 10mNonstopMDW 12:10 PMSeattle - Chicago | Wed, Jun 4 | Southwest Airlines
ORD 6:00 AM4h 27mNonstopSEA 8:27 AMChicago - Seattle | Tue, Jun 10 | Hawaiian Airlines$12251% OFF$251 $122 -
SEA 5:55 PM4h 4mNonstopORD 11:59 PMSeattle - Chicago | Wed, Jun 11 | Alaska Airlines
ORD 6:00 AM4h 37mNonstopSEA 8:37 AMChicago - Seattle | Wed, Jun 18 | Alaska Airlines$12351% OFF$251 $123
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SEA 7:15 AM4h 15mNonstopORD 1:30 PMSeattle - Chicago | Wed, Jun 4 | Delta Air Lines
ORD 7:09 AM4h 36mNonstopSEA 9:45 AMChicago - Seattle | Tue, Jun 10 | Delta Air Lines$12451% OFF$251 $124 -
SEA 5:50 PM4h 9mNonstopORD 11:59 PMSeattle - Chicago | Sat, May 31 | Delta Air Lines
ORD 6:59 PM4h 43mNonstopSEA 9:42 PMChicago - Seattle | Sat, Jun 7 | Delta Air Lines$12650% OFF$251 $126
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SEA 5:55 PM4h 4mNonstopORD 11:59 PMSeattle - Chicago | Mon, Jun 2 | Alaska Airlines
ORD 6:00 AM4h 27mNonstopSEA 8:27 AMChicago - Seattle | Tue, Jun 10 | Alaska Airlines$12750% OFF$251 $127
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SEA 5:54 PM4h 5mNonstopORD 11:59 PMSeattle - Chicago | Mon, Jun 16 | Alaska Airlines
ORD 6:00 AM4h 37mNonstopSEA 8:37 AMChicago - Seattle | Tue, Jun 24 | Alaska Airlines$12750% OFF$251 $127
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SEA 10:50 AM4h 12mNonstopORD 5:02 PMSeattle - Chicago | Sat, May 31 | Hawaiian Airlines
ORD 6:00 AM4h 27mNonstopSEA 8:27 AMChicago - Seattle | Sat, Jun 7 | Hawaiian Airlines$19821% OFF$251 $198
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SEA 1:00 PM17h 25m1 stopsCHI Invalid DateSeattle - Chicago | Thu, May 22 | Normal Airline
CHI 3:00 PM6hNonstopSEA 4:00 PMChicago - Seattle | Sat, May 24 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
SEA 11:40 PM4hNonstopORD 5:40 AMSeattle - Chicago | Tue, Jun 10 | Hawaiian Airlines$82 $15648% OFF48% OFF$156 $82
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SEA 10:50 AM4h 12mNonstopORD 5:02 PMSeattle - Chicago | Sat, May 31 | Alaska Airlines$85 $15646% OFF46% OFF$156 $85
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SEA 10:50 AM4h 12mNonstopORD 5:02 PMSeattle - Chicago | Sat, May 31 | Hawaiian Airlines$87 $15644% OFF44% OFF$156 $87
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SEA 5:54 PM4h 5mNonstopORD 11:59 PMSeattle - Chicago | Thu, Jun 12 | Hawaiian Airlines$11427% OFF$156 $114
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SEA 11:40 PM4hNonstopORD 5:40 AMSeattle - Chicago | Thu, Jun 12 | Alaska Airlines$11526% OFF$156 $115
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SEA 11:40 PM4hNonstopORD 5:40 AMSeattle - Chicago | Tue, Jun 24 | Hawaiian Airlines$12322% OFF$156 $123
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SEA 10:55 PM4h 5mNonstopMDW 5:00 AMSeattle - Chicago | Tue, Jun 24 | Southwest Airlines$12321% OFF$156 $123
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SEA 11:40 PM4hNonstopORD 5:40 AMSeattle - Chicago | Tue, Jun 24 | Alaska Airlines$12321% OFF$156 $123
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SEA 11:59 PM6h 46m1 stopsMDW 8:45 AMSeattle - Chicago | Wed, Jul 9 | Delta Air Lines$6756% OFF$156 $67
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SEA 11:23 AM8h 46m1 stopsORD 10:09 PMSeattle - Chicago | Tue, Jun 24 | Delta Air Lines$6856% OFF$156 $68
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SEA 1:00 PM17h 25m1 stopsCHI Invalid DateSeattle - Chicago | Thu, May 22 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Seattle to Chicago
| Cheapest one-way flight price | $66 |
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| Cheapest round-trip ticket price | $118 |
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 2,785.86 km |
| Average flight time | 4 hours 38 minutes |
| Popular airline | American Airlines |
When is the cheapest time to fly from Seattle to Chicago?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Seattle (SEA) to Chicago (CHI) the cheapest?
Airlines adjust prices for flights from Seattle to Chicago based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Seattle (SEA) to Chicago (CHI) cost?
According to Trip.com's data, the lowest price is around $279. -
How long does it take to fly from Seattle (SEA) to Chicago (CHI) and what is the distance?
It takes around 4 hours 38 minutes to fly from Seattle (SEA) to Chicago (CHI). -
What are the most popular airlines that fly from Seattle (SEA) to Chicago (CHI)?
Airlines with flights from Seattle (SEA) to Chicago (CHI): United Airlines, American Airlines, Qatar Airways, Iberia, Air Tahiti Nui, British Airways, Scandinavian Airlines, avianca, Hawaiian Airlines, Gulf Air, Aer Lingus and Alaska Airlines.
How to find a cheap flight from Seattle to Chicago
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Chicago. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Seattle to Chicago ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Seattle to Chicago for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $82 for a one-way ticket on Tue, Jun 10.
Compare cheap Seattle to Chicago flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Seattle to Chicago. The most affordable airline currently operating on this route is Hawaiian Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Seattle to Chicago route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Seattle to Chicago flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Seattle to Chicago to access exclusive deals just for you.
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