Find flights to Seattle from $55. Fly from Illinois on Frontier, Spirit Airlines and more. Search for Seattle flights on KAYAK now to find the best deal.

The best way to get from Illinois to Seattle is to fly which takes 7h 12m and costs $95 - $390. Alternatively, you can bus, which costs $320 - $850 and takes 42h 40m, you could also train, which costs $180 - $600 and takes 46h 24m.

Find airfare and ticket deals for cheap flights from Illinois to Seattle. Search flight deals from various travel partners with one click at $55.

Search and compare airfare from 1000+ airlines and travel sites to get the cheapest flights from Illinois to Seattle with momondo.

Some of the most affordable flights from Chicago to Seattle are during the month of April. You can find some of the cheapest flights from Chicago to Seattle with Expedia's search tool and vast selection of airlines. The best time to book a flight from Chicago to Seattle.

The best way to get from Illinois to Seattle Airport (SEA) is to fly which takes 6h 6m and costs $100 - $470. Alternatively, you can bus, which costs $250 - $850 and takes 41h 55m, you could also train, which costs $190 - $600 and takes 47h 27m.

The best way to get from Chicago, Il to Seattle is to fly which takes 8h 12m and costs $100 - $410. Alternatively, you can bus, which costs $320 - $900 and takes 43h 10m, you could also train, which costs $180 - $600 and takes 46h 33m.

There are 3 non-stop flights from Illinois (IL) to Seattle, Washington. See the full list of airline routes and airports to book your trip. You may need to drive to a nearby airport to get a direct flight. Use the form below to search for cheap airline …

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Chicago to Seattle. Discover the best prices and deals for you by selecting your travel dates. Only flying one-way? Below are some of the best one-way flight deals from Chicago to Seattle found on KAYAK recently.

The cheapest ticket to Illinois from Seattle found in the last 72 hours was $47 one-way, and $103 round-trip. The most popular route is from Seattle/Tacoma Intl to Chicago O'Hare Intl , and the cheapest round-trip airline ticket found on this route in the last 72 hours was $52.