Cheap flights from Seattle to Boston

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Flight information for Seattle to Boston (03A to BOS)

Find info about flight duration, direct flights, and airports for your flight from Seattle to Boston
Fastest flight time 5h 10m The fastest flight from Seattle to Boston takes 5h 10m.
Direct flights Every day Direct flights go from Seattle to Boston every day.
Airports in Boston 1 airport There is 1 airport near Boston: Boston Logan Intl (BOS)

How to get the cheapest flight ticket from Seattle to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Boston?
February
The cheapest time of year to fly to Boston from Seattle is February. Most expensive is December
What is the cheapest day to fly to Boston?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly to Boston?
in the afternoon
Seattle to Boston flights are approximately 17% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to Boston?
Spirit Airlines
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Seattle to Boston
What is the cheapest route?
Seattle/Tacoma Intl - Boston Logan Intl
Fly from Seattle/Tacoma Intl to Boston Logan Intl for the best Seattle - Boston flight prices
SEA
Seattle/Tacoma Intl
BOS
Boston Logan Intl
When is the cheapest time to book a flight to Boston?
60 days before
The cheapest time to buy a flight from Seattle to Boston is approximately 60 days to departure
60
Days before departure
0

Easily compare round-trip flights from Seattle to Boston

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Boston by changing tabs
Quickest
Cheapest
Spirit Airlines
Spirit Airlines
04 Mar
9:20 am
SEA
Seattle/Tacoma Intl airport
9h 12m
1 Stop
BOS
9:32 pm
Boston Logan Intl airport
Spirit Airlines
10 Mar
11:12 am
BOS
Boston Logan Intl airport
11h 14m
1 Stop
SEA
7:26 pm
Seattle/Tacoma Intl airport
$161
Spirit Airlines
Spirit Airlines
26 Feb
9:32 am
SEA
Seattle/Tacoma Intl airport
8h 58m
1 Stop
BOS
9:30 pm
Boston Logan Intl airport
Spirit Airlines
04 Mar
11:51 am
BOS
Boston Logan Intl airport
9h 30m
1 Stop
SEA
6:21 pm
Seattle/Tacoma Intl airport
$163
Spirit Airlines
Spirit Airlines
17 Feb
9:32 am
SEA
Seattle/Tacoma Intl airport
8h 58m
1 Stop
BOS
9:30 pm
Boston Logan Intl airport
Spirit Airlines
19 Feb
11:51 am
BOS
Boston Logan Intl airport
9h 30m
1 Stop
SEA
6:21 pm
Seattle/Tacoma Intl airport
$165
Alaska Airlines
Alaska Airlines
15 Feb
8:40 am
SEA
Seattle/Tacoma Intl airport
5h 19m
BOS
4:59 pm
Boston Logan Intl airport
Alaska Airlines
20 Feb
2:00 am
BOS
Boston Logan Intl airport
6h 34m
SEA
5:34 am
Seattle/Tacoma Intl airport
$197
Delta
Delta
20 Feb
2:20 pm
SEA
Seattle/Tacoma Intl airport
5h 20m
BOS
10:40 pm
Boston Logan Intl airport
Delta
23 Feb
2:00 am
BOS
Boston Logan Intl airport
6h 34m
SEA
5:34 am
Seattle/Tacoma Intl airport
$197
JetBlue
JetBlue
13 Feb
3:44 am
SEA
Seattle/Tacoma Intl airport
5h 20m
BOS
12:04 pm
Boston Logan Intl airport
JetBlue
23 Feb
2:00 am
BOS
Boston Logan Intl airport
6h 34m
SEA
5:34 am
Seattle/Tacoma Intl airport
$197

Alternative routes for Seattle to Boston

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Portland to Boston
Fastest flight time
5h 20m
Cheapest price
$161
Seattle to Providence
Fastest flight time
7h 18m
Cheapest price
$238
Seattle to Islip
Fastest flight time
7h 26m
Cheapest price
$287
Portland to Providence
Fastest flight time
7h 31m
Cheapest price
$395
View more

Flights from Seattle to:

*Flight prices to Boston are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.