
Popular airlines from Seattle-Tacoma International Airport (SEA) to Chicago
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- American Airlines
American Airlines
- United
United
- Sun Country Airlines
Sun Country Airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Cheap flights from Seattle to Chicago (SEA-CHI)
Prices were available within the past 7 days and start at €77 for one-way flights and €155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 8 Jan - Wed, 14 Jan
SEA
Seattle
ORD
Chicago
€155 Return, found 6 hours ago
€155
Return
found 6 hours ago

Thu, 8 Jan - Wed, 14 Jan
SEA
Seattle
ORD
Chicago
€155 Return, found 6 hours ago
€155
Return
found 6 hours ago

Thu, 8 Jan - Wed, 14 Jan
SEA
Seattle
MDW
Chicago
€159 Return, found 4 days ago
€159
Return
found 4 days ago

Thu, 1 Jan - Thu, 8 Jan
SEA
Seattle
ORD
Chicago
€162 Return, found 6 days ago
€162
Return
found 6 days ago

Thu, 1 Jan - Wed, 7 Jan
SEA
Seattle
ORD
Chicago
€164 Return, found 1 day ago
€164
Return
found 1 day ago

Thu, 1 Jan - Thu, 8 Jan
SEA
Seattle
ORD
Chicago
€171 Return, found 6 days ago
€171
Return
found 6 days ago

Thu, 8 Jan - Wed, 14 Jan
SEA
Seattle
ORD
Chicago
€172 Return, found 6 hours ago
€172
Return
found 6 hours ago

Fri, 2 Jan - Fri, 9 Jan
SEA
Seattle
ORD
Chicago
€179 Return, found 5 days ago
€179
Return
found 5 days ago

Thu, 1 Jan - Thu, 8 Jan
SEA
Seattle
ORD
Chicago
€231 Return, found 6 days ago
€231
Return
found 6 days ago

Sat, 23 May - Wed, 27 May
SEA
Seattle
ORD
Chicago
€428 Return, found 6 days ago
€428
Return
found 6 days ago
Find the cheapest month to fly from Seattle (SEA) to Chicago (CHI)
August is typically the cheapest month to fly
From €91 - €263 per traveller.
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | O'Hare Intl. |
Return price | €155 |
Distance | 2745 km |
Perfect flights from Seattle to Chicago
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Chicago. 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 Seattle - Tacoma Intl. to CHI-All Airports ticket options cater to your travel preferences, with incredible one-way fares from €77 and roundtrip prices from €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 CHI-All Airports 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 Chicago.
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 Seattle
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Honolulu (SEA - HNL)
- Seattle to Amsterdam (SEA - AMS)
- Seattle to Cork (SEA - ORK)
- Seattle to New York (SEA - JFK)
- Seattle to Dublin (SEA - DUB)
- Seattle to Tokyo (SEA - NRT)
- Seattle to Shannon (SEA - SNN)
- Seattle to Baltimore (SEA - BWI)
- Seattle to London (SEA - LHR)
Top Flight Destinations
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to Los Angeles
- Flights to Miami
- Flights to San Francisco
- Flights to San Diego
- Flights to Houston
- Flights to Pigeon Forge
- Flights to Gatlinburg
- Flights to San Antonio
- Flights to Nashville
- Flights to Atlanta
- Flights to Boston
- Flights to Austin
- Flights to Key West
- Flights to Fort Lauderdale
- Flights to Honolulu
- Flights to New Orleans
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 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 Cleveland (CLE)
- 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 Philadelphia (PHL)
- Flights from Dublin (DUB) to Florence (CVG)
- Flights from San Diego (SAN) to Dublin (DUB)
- Flights from Dallas (DFW) to Dublin (DUB)
- Flights from Shannon (SNN) to Seattle (SEA)
- 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 Seattle (SEA)
- Flights from Dublin (DUB) to Dallas (DFW)
- Flights from Dublin (DUB) to Las Vegas (LAS)
*Available to Expedia members.