$1,436 Cheap Flights from Chicago (ORD) to Seattle (BFI)

View $1,436 flight on Sun, May 3, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Seattle, WA (BFI-Boeing Field)

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Cheap Flights from Chicago to Seattle (ORD-BFI)

Prices were available within the past 7 days and start at $1,436 for one-way flights and $1,692 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jun 16 - Sun, Jun 21
ORD
Chicago
BFI
Seattle
$1,692 Roundtrip, found 6 days ago
$1,692
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Jun 16 from Chicago to Seattle, returning Sun, Jun 21, priced at $1,692 found 6 days ago
Alaska Airlines
Sat, Aug 8 - Sat, Aug 22
ORD
Chicago
BFI
Seattle
$1,788 Roundtrip, found 6 days ago
$1,788
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Chicago to Seattle, returning Sat, Aug 22, priced at $1,788 found 6 days ago
United
Sun, Apr 12 - Fri, Apr 17
ORD
Chicago
BFI
Seattle
$2,364 Roundtrip, found 15 hours ago
$2,364
Roundtrip
found 15 hours ago
Select United flight, departing Sun, Apr 12 from Chicago to Seattle, returning Fri, Apr 17, priced at $2,364 found 15 hours ago
United
Sat, Aug 8 - Sat, Aug 22
ORD
Chicago
BFI
Seattle
$2,589 Roundtrip, found 6 days ago
$2,589
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 8 from Chicago to Seattle, returning Sat, Aug 22, priced at $2,589 found 6 days ago
United
Sun, Mar 22 - Sun, Mar 29
ORD
Chicago
BFI
Seattle
$2,875 Roundtrip, found 15 hours ago
$2,875
Roundtrip
found 15 hours ago
Select United flight, departing Sun, Mar 22 from Chicago to Seattle, returning Sun, Mar 29, priced at $2,875 found 15 hours ago
United
Sun, Mar 22 - Thu, Mar 26
ORD
Chicago
BFI
Seattle
$2,941 Roundtrip, found 4 days ago
$2,941
Roundtrip
found 4 days ago
Select United flight, departing Sun, Mar 22 from Chicago to Seattle, returning Thu, Mar 26, priced at $2,941 found 4 days ago
United
Sat, Jun 6 - Sat, Jun 13
ORD
Chicago
BFI
Seattle
$3,161 Roundtrip, found 6 days ago
$3,161
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 6 from Chicago to Seattle, returning Sat, Jun 13, priced at $3,161 found 6 days ago
United
Sat, Jun 6 - Sat, Jun 13
ORD
Chicago
BFI
Seattle
$3,187 Roundtrip, found 6 days ago
$3,187
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 6 from Chicago to Seattle, returning Sat, Jun 13, priced at $3,187 found 6 days ago
Alaska Airlines
Sat, Aug 8 - Sat, Aug 22
ORD
Chicago
BFI
Seattle
$3,322 Roundtrip, found 6 days ago
$3,322
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Chicago to Seattle, returning Sat, Aug 22, priced at $3,322 found 6 days ago
United
Sat, Jun 6 - Sat, Jun 13
ORD
Chicago
BFI
Seattle
$4,005 Roundtrip, found 6 days ago
$4,005
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 6 from Chicago to Seattle, returning Sat, Jun 13, priced at $4,005 found 6 days ago
United
Sat, Jun 6 - Sat, Jun 13
ORD
Chicago
BFI
Seattle
$4,032 Roundtrip, found 6 days ago
$4,032
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 6 from Chicago to Seattle, returning Sat, Jun 13, priced at $4,032 found 6 days ago
United
Sat, Aug 8 - Sat, Aug 22
ORD
Chicago
BFI
Seattle
$4,052 Roundtrip, found 6 days ago
$4,052
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 8 from Chicago to Seattle, returning Sat, Aug 22, priced at $4,052 found 6 days ago

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Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $237
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $237
Select flight to Snohomish County - Paine Field PAE. Average driving time to city center is 29 minutes. Flights from $673
PAE
Snohomish County - Paine Field
Average driving time to city center29 min
Flights from $673

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI) cost?
Secure a cheap one-way flight from $1,436 or cheap return flight from $1,692 from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI)?
The cheapest month to fly from ORD to BFI is June, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ORD to BFI flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI)?
You'll need to take a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ORD to BFI?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI)?
Opt for a flight from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from O'Hare Intl. Airport (ORD)?
If you're traveling on a direct flight from O'Hare Intl. Airport (ORD) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can land at.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI) last-minute?
Last-minute fares from ORD to BFI are typically more expensive. To secure the best rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book an ORD to BFI flight and hotel package?
You'll generally save money by booking an ORD to BFI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Boeing Field Airport (BFI)?
If you booked your ORD to BFI flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Boeing Field
Roundtrip price
$1,691
Distance
1715 mi

Book with confidence

Chicago to Seattle Flights

The cheapest times to fly from Chicago to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Seattle are during the month of June. 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

Sunday is one of the best days to book for cheap flights from Chicago to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $1,436 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Seattle Flights

*Flight schedules are subject to change.

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