Go to homepage lastminute.com logoGo to homepage lastminute.com logo
Search form is loading

Flights to Chicago from Seattle

Cheap flights from Seattle to Chicago from £140. Seattle (United States) - Chicago (United States) return flights from £512. From 14/10/2026 (Wednesday) - 21/10/2026 (Wednesday). Check for the dates with the lowest prices and find the cheapest rates.

Round-trip flights from Seattle to Chicago

Cheapest round-trip flights from Seattle to Chicago

Explore all offers

Flights to Chicago with top airlines

Seattle to Chicago flight information

DEPARTING FROM:
SEA - All airports, more
ARRIVING IN:
Midway International Airport, more
AIRLINES:
Aer Lingus, Alaska Airlines, American Airlines, more
AVG FLIGHT TIME:
4h 27m

More information about flights to Chicago from Seattle

Read moreRead less

FAQs Seattle to Chicago flights

FAQs

  • Can I combine different airlines on the same trip?

    Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

  • Is lastminute.com a trustworthy travel brand?

    In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

  • What options are there if I have to change my flight?

    lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*

  • I am afraid to lose my luggage, every time I fly. What can I do?

    lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**

  • How long does a flight take between Seattle and Chicago?

    The flight from Seattle to Chicago has a duration of 4h 27m.

  • What are the cheapest flights from Seattle to Chicago?

    The cheapest one-way flight costs £140 flying with Southwest Airlines and the cheapest return flight costs £512 with JetBlue Airways.

  • How many airports are there in the city of Seattle?

    Seattle has 2 airport: SEA - All airports, Boeing Field/King County International Airport.

  • How many airports does Chicago have?

    There are 3 airports in Chicago: CHI - All airports, Chicago O'Hare International Airport, Midway International Airport

  • Which Chicago airport is the most central?

    The most central airport is Midway International Airport, 13.6km.

  • Which airlines have flights from Seattle to Chicago?

    There are 7 airlines with flights from Seattle to Chicago; Those that offer lower prices are JetBlue Airways (£485).

  • Schedules of the first and last flight from Seattle to Chicago

    The first flight from Seattle to Chicago is at 09:58 and the last flight departs at 19:01.