Cheap flights from Seattle to Boston
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

When is the best time to book a Seattle - Boston flight?

Fly Scanner offers you the possibility to find flights from Seattle to Boston at the best price thanks to the flexible dates shopping function: compare the prices of flight tickets for dates close to those selected and save money by changing the day of departure or arrival.

Find a direct flight Seattle to Boston

If you're looking only for direct flights to Boston, with our search engine you can filter the offers of hundreds of companies to get only the cheapest direct flights from Seattle to Boston. Avoid unnecessary waste of time, compare all offers in one search.

Book your Seattle - Boston flight at the ideal time

Booking dates and travel dates can be crucial for the price of your airfare. Fly Scanner helps you finding the flight on the cheapest day, suggesting alternative dates for your flight.

How to find a Seattle - Boston flight at the best price

The flight search engine of Fly Scanner compares the flight offers of Seattle - Boston in a simple and fast way. Just enter:

  • The class of flight
  • The number of passengers
  • The dates of the flight
You can then further customize your search by entering filters on the number of stops, airline, specific airport of arrival or departure and much more.

Frequently Asked Questions

Frequently asked questions about flights from Seattle to Boston.

How much does a Seattle - Boston flight cost?

The lowest price in the last 15 days for an airline ticket from Seattle to Boston is $50.

How far is Seattle from Boston?

Seattle is about 2489 mi from Boston.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the airports in Seattle?

At Seattle there are 2 airports: Boeing Field, Lake Union.

What are the most popular destinations searched for in United States?

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

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

The cheapest month to fly from Seattle to Boston is January.

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

The most expensive month to fly from Seattle to Boston is April.

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

For flights from Seattle to Boston Wednesday is on average the cheapest day to fly, while Thursday is the most expensive day to fly.
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