Cheap flights from Seattle to Boston

Round-trip
Economy
Seattle (SEA)
Boston (BOS)
Sun 8/9
Sun 8/16
Any month
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Flight information for Seattle to Boston

Find info about flight duration, direct flights, and airports for your flight from Seattle to Boston
Best Price Found $81 The best flight deal from Seattle to Boston found on momondo in the last 72 hours is $81
Fastest flight time 5h 18m The fastest flight from Seattle to Boston takes 5h 18m.
Direct flights Tu and Th Direct flights go from Seattle to Boston on Tuesday and Thursday. Airline offering direct flights is Delta..
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?
January
The cheapest time of year to fly to Boston from Seattle is January. 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?
59 days before
The cheapest time to buy a flight from Seattle to Boston is approximately 59 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
Cheapest
Best
Quickest
Spirit Airlines
Oct 20
SEA
Seattle/Tacoma Intl
7h 10m
1 stop
BOS
Boston Logan Intl
Oct 28
BOS
Boston Logan Intl
10h 30m
1 stop
SEA
Seattle/Tacoma Intl
Multiple Airlines
Aug 7
SEA
Seattle/Tacoma Intl
16h 51m
2 stops
BOS
Boston Logan Intl
Aug 15
BOS
Boston Logan Intl
13h 10m
1 stop
SEA
Seattle/Tacoma Intl
Spirit Airlines
Aug 5
SEA
Seattle/Tacoma Intl
7h 10m
1 stop
BOS
Boston Logan Intl
Aug 12
BOS
Boston Logan Intl
14h 55m
1 stop
SEA
Seattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Boston

If you're looking for one-way flights from Seattle to Boston, view some of our deals below provided by Spirit Airlines
Cheapest
Best
Quickest
Spirit Airlines
Aug 25
SEA
Seattle/Tacoma Intl
7h 10m
1 stop
BOS
Boston Logan Intl
Multiple Airlines
Aug 7
SEA
Seattle/Tacoma Intl
16h 51m
2 stops
BOS
Boston Logan Intl
Spirit Airlines
Aug 25
SEA
Seattle/Tacoma Intl
9h 27m
1 stop
BOS
Boston Logan Intl

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
Bellingham to Boston Flights
Fastest flight time
11h 25m
Cheapest price
$210

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