
Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- JetBlue Airways
JetBlue Airways
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 15% on select hotels after you book a flight*
Cheap flights from Chicago to Seattle (ORD-SEA)
Prices were available within the past 7 days and start at €81 for one-way flights and €175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€175 Return, found 1 day ago
€175
Return
found 1 day ago

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€175 Return, found 1 day ago
€175
Return
found 1 day ago

Sat, 20 Sep - Sat, 27 Sep
ORD
Chicago
SEA
Seattle
€180 Return, found 4 days ago
€180
Return
found 4 days ago

Sat, 20 Sep - Sat, 27 Sep
ORD
Chicago
SEA
Seattle
€182 Return, found 4 days ago
€182
Return
found 4 days ago

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€192 Return, found 1 day ago
€192
Return
found 1 day ago

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€208 Return, found 1 day ago
€208
Return
found 1 day ago

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€214 Return, found 1 day ago
€214
Return
found 1 day ago

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€216 Return, found 1 day ago
€216
Return
found 1 day ago

Fri, 3 Oct - Mon, 6 Oct
ORD
Chicago
SEA
Seattle
€218 Return, found 4 days ago
€218
Return
found 4 days ago

Sat, 25 Oct - Fri, 31 Oct
ORD
Chicago
SEA
Seattle
€226 Return, found 1 day ago
€226
Return
found 1 day ago
Find the cheapest month to fly from Chicago (ORD) to Seattle (SEA)
November is typically the cheapest month to fly
From €83 - €228 per traveller.
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, JetBlue Airways, United |
Return price | €175 |
Distance | 2745 km |
Average flight time | 2 hours 33 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 €81 and roundtrip prices from €175. 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.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Top Flights Destinations
- More Airlines
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Chicago
- Chicago to Newark Liberty Intl. Airport (ORD - EWR)
- Chicago to Amman (ORD - AMM)
- Chicago to Los Angeles (ORD - LAX)
- Chicago to New York (ORD - LGA)
- Chicago to Boston (ORD - BOS)
- Chicago to Delhi (ORD - DEL)
- Chicago to Istanbul (ORD - IST)
- Chicago to New York (ORD - JFK)
- Chicago to Dublin (ORD - DUB)
- Chicago to Nashville (ORD - BNA)
- Chicago to Athens (ORD - ATH)
Top Routes to Seattle
- Newark Liberty Intl. Airport to Seattle (EWR - SEA)
- Los Angeles to Seattle (LAX - SEA)
- Cork to Seattle (ORK - SEA)
- New York to Seattle (JFK - SEA)
- Dublin to Seattle (DUB - SEA)
- Shannon to Seattle (SNN - SEA)
- Vancouver to Seattle (YVR - SEA)
- Baltimore to Seattle (BWI - SEA)
- London to Seattle (LHR - SEA)
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to San Diego
- Flights to Myrtle Beach
- Flights to Ocean City
- Flights to Boston
- Flights to Miami
- Flights to Destin
- Flights to Nashville
- Flights to Atlantic City
- Flights to Pigeon Forge
- Flights to Houston
- Flights to Panama City Beach
- Flights to Honolulu
- Flights to Atlanta
- Flights to Gatlinburg
- Flights to Seattle
- Flights to San Antonio
- Flights to Virginia Beach
Expedia's Latest Trends
Flights
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Boston (BOS) to Dublin (DUB)
- Flights from Shannon (SNN) to Chicago (ORD)
- Flights from Dublin (DUB) to San Diego (SAN)
- Flights from Dublin (DUB) to Pittsburgh (PIT)
- Flights from Las Vegas (LAS) to Dublin (DUB)
- Flights from Shannon (SNN) to Boston (BOS)
- Flights from Dublin (DUB) to St. Louis (STL)
- Flights from Shannon (SNN) to Dallas (DFW)
- Flights from New York (JFK) to Boston (BOS)
- Flights from LON-All Airports to NYC-All Airports
- Flights from Pearson Intl. to NYC-All Airports
- Flights from Cork (ORK) to San Diego (SAN)
- Flights from Shannon (SNN) to Las Vegas (LAS)
- Flights from Cork (ORK) to Las Vegas (LAS)
- Flights from Dublin (DUB) to Fort Lauderdale (FLL)
- Flights from Dublin (DUB) to Chicago (ORD)
- Flights from Dublin (DUB) to Philadelphia (PHL)
- Flights from Dublin (DUB) to Florence (CVG)
- Flights from Chicago (ORD) to Dublin (DUB)
- Flights from San Diego (SAN) to Dublin (DUB)
- Flights from Dallas (DFW) to Dublin (DUB)
- Flights from Boston (BOS) to New York (JFK)
- Flights from Philadelphia (PHL) to Dublin (DUB)
- Flights from London (LHR) to Las Vegas (LAS)
- Flights from Dublin (DUB) to Boston (BOS)
- Flights from Dublin (DUB) to Dallas (DFW)
- Flights from Dublin (DUB) to Las Vegas (LAS)
*Available to Expedia members.