฿3,105 Cheap Flights from Chicago (ORD) to Seattle (SEA)

View ฿3,105 flight on Fri, 24 Apr 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Chicago (ORD) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿3,105 for one-way flights and ฿6,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿6,200 Return, found 13 hours ago
฿6,200
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿6,200 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿6,515 Return, found 13 hours ago
฿6,515
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿6,515 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿6,830 Return, found 13 hours ago
฿6,830
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿6,830 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿7,620 Return, found 13 hours ago
฿7,620
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿7,620 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿7,770 Return, found 13 hours ago
฿7,770
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿7,770 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿7,790 Return, found 13 hours ago
฿7,790
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿7,790 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿7,935 Return, found 13 hours ago
฿7,935
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿7,935 found 13 hours ago
Delta
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿8,085 Return, found 13 hours ago
฿8,085
Return
found 13 hours ago
Select Delta flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿8,085 found 13 hours ago
American Airlines
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿9,015 Return, found 13 hours ago
฿9,015
Return
found 13 hours ago
Select American Airlines flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿9,015 found 13 hours ago
United
Fri, 24 Apr - Tue, 28 Apr
ORD
Chicago
SEA
Seattle
฿9,015 Return, found 13 hours ago
฿9,015
Return
found 13 hours ago
Select United flight, departing Fri, 24 Apr from Chicago to Seattle, returning Tue, 28 Apr, priced at ฿9,015 found 13 hours ago

Find the cheapest month to fly from Chicago (ORD) to Seattle (SEA)

February is typically the cheapest month to fly

From ฿3,428 - ฿6,036 per traveller.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between O'Hare Airport and SEA was ฿6,200. Fares this good don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to SEA?
We understand that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from ORD to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to Sea-Tac Airport?
The flying distance from ORD to Seattle - Tacoma Intl. Airport (SEA) is 2,800 kilometres. Close your eyes or read a good book and the journey will zip by.
Which airlines fly direct from ORD to Seattle - Tacoma Intl. Airport (SEA)?
It's a breeze to fly directly from O'Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA). These are the top carriers that operate nonstop services on this route:

  • Alaska Airlines - (AS) with 134 monthly flights
  • United Airlines - (UA) with 117 monthly flights
  • Delta Air Lines - (DL) with 69 monthly flights
  • American Airlines - (AA) with 60 monthly flights

Are O'Hare Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some of the cheapest airfares from O'Hare Airport to Sea-Tac Airport showing up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
฿6,200
Distance
2745 km
Average flight time
2 hours 44 mins

Book with confidence

Perfect flights from Chicago to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chicago to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible O'Hare Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,105 and roundtrip prices from ฿6,200. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
Perfect flights from Chicago to Seattle
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