Popular airlines from Seattle, WA (BFI-Boeing Field) to Logan International Airport (BOS)

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Frequently asked questions

How much does a flight from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS) cost?
Secure a cheap one-way flight or cheap return flight from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS)?
is the least expensive month to fly from BFI to BOS. Traveling during quieter months is often the key to finding better fares.
Which airlines fly direct from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS)?
You can't fly direct to Logan Intl. Airport (BOS) from Seattle, WA (BFI-Boeing Field). However, you can easily journey to Boston without any layovers by taking off from Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS)?
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 out which carrier offers the cheapest BFI to BOS flight.
How many flights per day from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS)?
There are no daily nonstop flights departing from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from BFI to BOS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 (BOS)?
To touch down at Logan Intl. Airport (BOS) on schedule, 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 hour.**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 (BOS) last-minute?
Booking your flight from BFI to BOS right before your trip is usually more expensive. But if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BFI to BOS flight and hotel package?
Compared with arranging hotels and flights separately, booking a BFI to BOS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of travel planning. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Boeing Field Airport (BFI) to Logan Intl. Airport (BOS)?
Usually, it's possible to reschedule or cancel your BFI to BOS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Boeing Field
Destination airport
Logan Intl.
Distance
2486 mi

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Seattle to Boston Flights

The cheapest times to fly from Seattle to Boston

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

 

The best time to book a flight from Seattle to Boston

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

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 Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Boston 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 Boston 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.

 

Seattle to Boston Flights

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*Available to One Key members.