Popular airlines from Seattle-Tacoma International Airport (SEA) to Chicago
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American AirlinesAmerican Airlines
UnitedUnited
Sun Country AirlinesSun Country Airlines
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Cheap Flights from Seattle to Chicago (SEA-CHI)
Prices were available within the past 7 days and start at ₩124,300 for one-way flights and ₩248,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Seattle (SEA) to Chicago (CHI)
November is typically the cheapest month to fly
Travel information
Travel information
Origin airport | Seattle - Tacoma Intl. |
Destination airport | O'Hare Intl. |
Roundtrip price | ₩248,500 |
Distance | 2745 km |
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Book with confidence
Seattle to Illinois Flights
Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Illinois will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Illinois.
Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to CHI flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to CHI with hotels and car rentals to score even bigger savings.
All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.
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