The displayed fares were last found on: Sun | 11 August 05:25 PM(EST) . Fares are round trip.
Above table has listed round-trip flights from Seattle to Chicago with multiple carriers. The cost of every plane ticket to Chicago from Seattle is based on a recent trend. Fares are non-warranted and subject to change. Fares comprise base fare, fuel surcharges, airline/airport taxes, and our service fee. Booking policy details available with Terms and Conditions.
Search, Compare and Book Flights from Seattle to Chicago
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Airports in Seattle
Seattle–Tacoma International Airport
Seattle–Tacoma International Airport (IATA: SEA, ICAO: KSEA, FAA LID: SEA), also referred to as Sea–Tac Airport or Sea–Tac is the primary commercial airport serving the Seattle metropolitan area in the U.S. state of Washington.
SEA is located in the city of SeaTac, approximately 14 miles (23 km) south of Downtown Seattle and 18 miles (29 km) north-northeast of Downtown Tacoma.
From this airport, a record 34 airlines serve 91 non-stop domestic and 28 international destinations including Canada, Mexico, and seasonal operations. The airport ranks as the largest in the Pacific Northwest region of North America.
Airports in Chicago
1. O’Hare International Airport
O’Hare International Airport (IATA: ORD, ICAO: KORD), also referred to as O’Hare Airport, Chicago O’Hare, or simply O’Hare, is an international airport located on the far Northwest Side of Chicago, Illinois. The airport is 14 miles (23 km) northwest of the Loop business district. O’Hare connects Chicago with 228 destinations in North America, South America, Europe, Africa, Asia and Oceania.
The airport is a focus city for Frontier Airlines and Spirit Airlines.
2. Chicago Midway International Airport
An eight miles drive off the loop towards southwest takes you to Chicago Midway International Airport (IATA: MDW, ICAO: KMDW). Until the opening of O’Hare International Airport in 1955, MDW served as the principal airport in the city. Today, Midway is the second-largest airport in Chicago metropolitan area and the state of Illinois, serving 22,027,737 passengers in 2018. The airport is a focus city for Southwest Airlines, a leading LCC (Low Cost Carrier).
Nonstop Flights from Seattle to Chicago
Take a look at the nonstop flight choices you have from Hilo International Airport and Daniel K. Inouye International Airport.
|Flights from SEA to ORD||Alaska|
|Flight from SEA to MDW||Southwest|
How Long is the Flight from Seattle to CHI?
The estimated flight time from Seattle to Chicago is 3 hours 31 minutes on the assumption that the aircraft speed is 500 miles per hour or 804.67 km per hour. The flight distance between the two cities situated in different time zones is 1,737 miles/2796 km.
How to Book Cheap Flights from Seattle to Chicago?
1. Be flexible with airlines
Lost cost and full-service – you get both the options when it comes to flight reservation. Apply your flight discount coupon if any on the checkout page to further reduce your bill.
2. Be flexible with travel days
Weekend flights tend to be costlier as visitors get double. If you are flexible with your travel dates and days, go for a mid-weekday flight from Tuesday through Thursday. Most of the cheap flights from SEA to CHI quoted by travel agencies correspond to weekdays.
3. Be flexible with travel dates
If you are looking for the cheapest flight deal from Seattle to Chicago, select Flexible Date Fare recommended over the flight-search result page. It’s important you keep an eye on the dates and connecting airport if any, before confirming your air reservation.
4. Go in low-season
Chicago has a hot and humid continental type of climate (Köppen climate classification Dfa). Summers from July to August and winters from November to January are the two los-seasons to get discount flights to Chicago. Do not clash your travel dates with Thanksgiving, Christmas and New Year and other important vacation times.
4. Fly with budget airlines
Presence of Southwest Airlines from Seattle to MDW signals that there is something for budget travelers. However, we recommend you to be practical while searching for fares. Most of the times travelers fail to lock great air travel deal by waiting for something unexpected.