Cheap flights from Boston to Seattle Lake Union

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much should you expect to spend for a flight from Boston to Seattle Lake Union?

Flight prices from Boston to Seattle change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Flights between Boston and Seattle: which airports can you choose?

The distance between Boston and Seattle is about 2488 mi. Checking alternative airports can help lower the total cost of your trip.

  • Airports in Boston: The only active airport in Boston is Boston - Logan.
  • Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.

Choosing airports with fast connections to the city center can cut down total travel time. You can compare all flights from Boston airports to find the best option.

Flights from Boston - Logan to Seattle - Lake Union

Adjust your flight filters for Boston – Seattle Lake Union

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Atlanta, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
Frequently Asked Questions

Frequently asked questions about flights from Boston to Seattle Lake Union.

How much does an airline ticket from Boston to Seattle Lake Union cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Boston to Seattle Lake Union.

How far is Boston from Seattle?

Boston is about 2488 mi from Seattle.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Atlanta, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Boston to Seattle?

This information is not available at the moment.

What is the cheapest month to fly from Boston to Seattle?

This information is not available at the moment.

What is the most expensive month to fly from Boston to Seattle?

This information is not available at the moment.

What is the best day of the week to fly from Boston to Seattle?

This information is not available at the moment.