Question 1

How long does it take to travel from Seattle to Boston?

Accepted Answer

A one-way nonstop (direct) flight between Seattle and Boston takes around 5.6 hours.

Question 2

What is the flight distance between Seattle and Boston?

Accepted Answer

The flight distance between Seattle and Boston is 4010 km.

Question 3

What airlines offer nonstop (direct) flights between Seattle and Boston?

Accepted Answer

Several carriers operate flights between Seattle and Boston. Airlines offering nonstop (direct) flights include Alaska Airlines, United Airlines, JetBlue Airways.

Question 4

What are the most popular routes to and from Seattle?

Accepted Answer

Travelers frequently search for route combinations, such as Seattle and New York, Orlando, Las Vegas, San Francisco, Chicago, Dallas, London, Denver, Miami, Phoenix, San Diego, Tokyo, Cancún, Honolulu, Vancouver, New Delhi.

Question 5

What are the most popular routes to and from Boston?

Accepted Answer

Travelers frequently search for route combinations, such as Boston and New York, Detroit, Guadalajara, Halifax, Toronto, Montreal, Vancouver, Calgary, Winnipeg, Edmonton, Ottawa, Kelowna, Quebec City, Victoria, Saskatoon.

Question 6

Which airports are there in Seattle?

Accepted Answer

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

Question 7

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Bellingham International, Abbotsford International, Victoria Inner Harbour SPB, Paine Field Everett, Vancouver Harbour Flight Centre, Yakima Air Terminal, Pangborn Memorial.

Question 8

What airports are near Boston?

Accepted Answer

The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Albany International, Manchester–Boston Regional, Lebanon Municipal, Knox County Regional, Portsmouth International Airport at Pease, Augusta State.

Question 9

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Boston?

Accepted Answer

Yes, it's possible to combine different modes of transport between Seattle and Boston thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Seattle and Boston can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Question 10

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 11

Which airlines fly between Seattle and Boston?

Accepted Answer

Currently, you can fly between Seattle and Boston with Alaska Airlines, United Airlines, JetBlue Airways.

Question 12

When's the best time to travel between Seattle and Boston?

Accepted Answer

If you don’t have specific dates for your trip between Seattle and Boston, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 13

What flights operate between Seattle and Boston?

Accepted Answer

Traveling between Seattle and Boston, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 14

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Bellingham International, Abbotsford International, Victoria Inner Harbour SPB, Paine Field Everett, Vancouver Harbour Flight Centre, Yakima Air Terminal, Pangborn Memorial

Question 15

How many airports are there near Boston?

Accepted Answer

There are a number of airports in and around Boston. The main one is Logan International and other nearby airports include Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Albany International, Manchester–Boston Regional, Lebanon Municipal, Knox County Regional, Portsmouth International Airport at Pease, Augusta State.

Question 16

What time do nonstop (direct) flights between Seattle and Boston depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 17

What time do nonstop (direct) flights between Seattle and Boston arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Boston, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 18

What time do flights between Seattle and Boston depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 19

What time do flights between Seattle and Boston arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Boston, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	CA$188
Cheapest round-trip	CA$502
Average round-trip	CA$597
Nonstop flights in May	CA$265 – CA$1,122
Most popular airline	Alaska Airlines

Airline	Sun 28.04	Mon 29.04	Tue 30.04	Wed 01.05	Thu 02.05	Fri 03.05	Sat 04.05
Alaska Airlines	4	2	3	3	4	4	4
JetBlue Airways	1	1	1	1	1	1	1
United Airlines	---	---	---	---	---	---	---

Airline	Sun 05.05	Mon 06.05	Tue 07.05	Wed 08.05	Thu 09.05	Fri 10.05	Sat 11.05
Alaska Airlines	4	4	3	3	4	4	4
JetBlue Airways	1	1	1	1	1	1	1
United Airlines	---	1	---	1	---	---	---

Airline	Sun 12.05	Mon 13.05	Tue 14.05	Wed 15.05	Thu 16.05	Fri 17.05	Sat 18.05
Alaska Airlines	4	3	3	3	3	4	4
JetBlue Airways	1	1	1	1	1	1	1
United Airlines	1	---	---	---	1	---	1

Airline	Sun 19.05	Mon 20.05	Tue 21.05	Wed 22.05	Thu 23.05	Fri 24.05	Sat 25.05
Alaska Airlines	4	4	4	4	4	4	4
JetBlue Airways	1	1	1	1	1	1	1
United Airlines	1	---	---	---	---	---	---

Cheap flights from Seattle, WA to Boston, MA

Flights starting at CA$188. Choose between Alaska Airlines, United Airlines, or JetBlue Airways to find the best price.

Tips to know when travelling to Boston

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Nonstop flights in May

Most popular airline

Search by stops

Search by carrier

Search by price

Search by departure date

One-way trips

Round trips

Weekly direct flights

Weekly direct flights for Sun 28.04 - Sat 04.05

Weekly direct flights for Sun 05.05 - Sat 11.05

Weekly direct flights for Sun 12.05 - Sat 18.05

Weekly direct flights for Sun 19.05 - Sat 25.05

Check-in for a flight from Seattle to Boston

Weather in Boston

Average Weather

14 day forecast

Frequently asked questions

Explore alternative trips

Flights from Seattle

Flights to Boston

The nearest countries with flights to Boston

Other destination countries from Seattle

Airports near Seattle

Airports near Boston

Kiwi.com: the best free travel app for Android and iPhone

Company

Platform

Help & support

Features

Discover

Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
Alaska Airlines	ASA	AS	No	Opens 24 days before flight Closes 1 hours before flight
United Airlines	UAL	UA	Yes	No
JetBlue Airways	JBU	B6	No	Opens 24 days before flight Closes 2 hours before flight

Month	Average monthly max temperature	Average monthly min temperature
January	2°C	-4°C
February	3°C	-3°C
March	7°C	0°C
April	13°C	5°C
May	19°C	10°C
June	23°C	14°C
July	27°C	18°C
August	27°C	18°C
September	23°C	14°C
October	17°C	9°C
November	10°C	3°C
December	5°C	0°C