$558 Cheap Flights from Seattle (BFI) to Billings (BIL)

View $558 flight on Fri, Aug 1, 2025Opens in a new window

Popular airlines from Seattle, WA (BFI-Boeing Field) to Billings Logan Intl. Airport (BIL)

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Cheap Flights from Seattle to Billings (BFI-BIL)

Prices were available within the past 7 days and start at $558 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Seattle (BFI) to Billings (BIL)
Origin airport
Boeing Field
Destination airport
Logan Intl.
Distance
662 mi

Seattle to Billings Flights

The cheapest times to fly from Seattle to Billings

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 Seattle to Billings are during the month of . You can find some of the cheapest flights from Seattle to Billings with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Billings

Sunday is one of the best days to book for cheap flights from Seattle to Billings: 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 Seattle to Billings

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 Seattle to Billings in 2025. You can also book with separate airlines for your outbound and return journeys, from $558 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 Seattle to Billings 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 Seattle to Billings 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.

 

Frequently asked questions

How much does a flight from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL) cost?
Discover the latest flight deals from BFI to BIL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BFI to BIL?
The cheapest flights from BFI to BIL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL)?
While Seattle, WA (BFI-Boeing Field) doesn't have any direct flights to Logan Intl. Airport (BIL), other airports have nonstop options. Jetting off from Seattle - Tacoma Intl. Airport (SEA) will get you to Billings without any detours.
What is the cheapest airline that flies from BFI to BIL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BFI to BIL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL)?
You'll have to catch a flight with a layover when traveling from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BFI to BIL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL)?
To touch down at Logan Intl. Airport (BIL) without delays, book a flight that leaves from Boeing Field Airport (BFI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL) last-minute?
Waiting until just before your trip to book a ticket from BFI to BIL generally means paying more. While you might find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a BFI to BIL flight and hotel package?
You'll typically save money by booking a BFI to BIL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Boeing Field Airport (BFI) to Logan Intl. Airport (BIL)?
It's usually possible to cancel or reschedule your BFI to BIL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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