
Popular airlines from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- United
United
- American Airlines
American Airlines
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- JetBlue Airways
JetBlue Airways
- Frontier Airlines
Frontier Airlines
- Plan, book, fly with confidence
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Cheap Flights from Chicago (ORD) to Seattle (SEA)
Prices were available within the past 7 days and start at ฿3,095 for one-way flights and ฿7,155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, 12 Sep - Sat, 6 Dec
ORD
Chicago
SEA
Seattle
฿7,155 Return, found 4 days ago
฿7,155
Return
found 4 days ago

Sun, 31 Aug - Sat, 6 Sep
ORD
Chicago
SEA
Seattle
฿7,330 Return, found 2 days ago
฿7,330
Return
found 2 days ago

Sun, 31 Aug - Sat, 6 Sep
ORD
Chicago
SEA
Seattle
฿7,450 Return, found 2 days ago
฿7,450
Return
found 2 days ago

Thu, 18 Dec - Wed, 7 Jan
ORD
Chicago
SEA
Seattle
฿8,270 Return, found 18 hours ago
฿8,270
Return
found 18 hours ago

Sun, 31 Aug - Sat, 6 Sep
ORD
Chicago
SEA
Seattle
฿8,630 Return, found 2 days ago
฿8,630
Return
found 2 days ago

Thu, 18 Dec - Wed, 7 Jan
ORD
Chicago
SEA
Seattle
฿8,635 Return, found 18 hours ago
฿8,635
Return
found 18 hours ago

Fri, 12 Sep - Sat, 6 Dec
ORD
Chicago
SEA
Seattle
฿8,955 Return, found 4 days ago
฿8,955
Return
found 4 days ago

Fri, 12 Sep - Sat, 6 Dec
ORD
Chicago
SEA
Seattle
฿9,125 Return, found 4 days ago
฿9,125
Return
found 4 days ago

Thu, 18 Dec - Fri, 9 Jan
ORD
Chicago
SEA
Seattle
฿9,245 Return, found 3 hours ago
฿9,245
Return
found 3 hours ago

Sun, 31 Aug - Sat, 6 Sep
ORD
Chicago
SEA
Seattle
฿9,940 Return, found 2 days ago
฿9,940
Return
found 2 days ago
Find the cheapest month to fly from Chicago (ORD) to Seattle (SEA)
November is typically the cheapest month to fly
From ฿3,135 - ฿8,580 per traveller.
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | ฿5,995 |
Distance | 2745 km |
Average flight time | 2 hours 31 mins |
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 ฿3,095 and roundtrip prices from ฿7,155. 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.
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Top Routes from Chicago
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Top Routes to Seattle
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Seattle Airports
Seattle Paine Field Intl. Airport
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