Cheap flights from Seattle to Boston

Round-trip
1 adult
Economy
From?
To?
Thu 9/30
Thu 10/7

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Seattle/Tacoma Intl to Boston.
View current United States travel restrictions

Flight information for Seattle to Boston
(SEA to BOS)

Find info about flight duration, direct flights, and airports for your flight from Seattle to Boston
Best Price Found$118The best flight deal from Seattle to Boston found on momondo in the last 72 hours is $118
Fastest flight time5h 13mThe fastest flight from Seattle to Boston takes 5h 13m
Direct flightsWed, Thu and SunDirect flights go from Seattle to Boston on Wednesday, Thursday and Sunday. Airlines offering direct flights are: Delta and Alaska Airlines.
Airports in Boston2 airportsThere are 2 airports near Boston: Boston Logan Intl (BOS), Boston Harbor SPB (BNH)

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 from Seattle 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 depart Seattle for Boston?

Wednesday

The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to Boston?

in the afternoon

Seattle to Boston flights are approximately 21% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Boston from Seattle?

Spirit Airlines

American Airlines, Frontier, and Major Airline are the most popular carriers operating from Seattle to Boston

What is the cheapest Seattle to Boston flight route?

Seattle/Tacoma Intl - Boston Logan Intl

Fly from Seattle/Tacoma Intl to Boston Logan Intl for the best Seattle - Boston flight prices

How far in advance should you book Seattle to Boston flights?

60 days before

The cheapest time to buy a flight from Seattle to Boston is approximately 60 days to departure


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
Spirit Airlines
Oct 6
SEA7:15 amSeattle/Tacoma Intl
20h 09m
2 stops
BOS3:24 amBoston Logan Intl
Oct 13
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 6
SEA7:15 amSeattle/Tacoma Intl
20h 09m
2 stops
BOS3:24 amBoston Logan Intl
Oct 11
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 5
SEA2:20 pmSeattle/Tacoma Intl
9h 09m
1 stop
BOS11:29 pmBoston Logan Intl
Oct 20
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 12
SEA5:38 amSeattle/Tacoma Intl
21h 46m
2 stops
BOS3:24 amBoston Logan Intl
Oct 20
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 19
SEA5:38 amSeattle/Tacoma Intl
34h 57m
2 stops
BOS4:35 pmBoston Logan Intl
Oct 27
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 19
SEA1:10 pmSeattle/Tacoma Intl
19h 49m
3 stops
BOS8:59 amBoston Logan Intl
Oct 25
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/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 and United Airlines
Spirit Airlines
Dec 7
SEA9:25 amSeattle/Tacoma Intl
12h 43m
1 stop
BOS10:08 pmBoston Logan Intl
Spirit Airlines
Nov 3
SEA7:15 amSeattle/Tacoma Intl
20h 09m
2 stops
BOS3:24 amBoston Logan Intl
Spirit Airlines
Oct 12
SEA5:38 amSeattle/Tacoma Intl
21h 46m
2 stops
BOS3:24 amBoston Logan Intl

Search last-minute flights to Boston from Seattle

Find and compare flight prices for your last-minute flight from Seattle to Boston
Spirit Airlines
Oct 5
SEA2:20 pmSeattle/Tacoma Intl
9h 09m
1 stop
BOS11:29 pmBoston Logan Intl
Oct 20
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 5
SEA2:20 pmSeattle/Tacoma Intl
9h 09m
1 stop
BOS11:29 pmBoston Logan Intl
Oct 18
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 5
SEA2:20 pmSeattle/Tacoma Intl
26h 15m
2 stops
BOS4:35 pmBoston Logan Intl
Oct 26
BOS4:00 amBoston Logan Intl
29h 20m
2 stops
SEA9:20 amSeattle/Tacoma Intl
Spirit Airlines
Oct 5
SEA3:55 pmSeattle/Tacoma Intl
24h 40m
2 stops
BOS4:35 pmBoston Logan Intl
Oct 26
BOS4:00 amBoston Logan Intl
29h 20m
3 stops
SEA9:20 amSeattle/Tacoma Intl
Spirit Airlines
Oct 5
SEA2:20 pmSeattle/Tacoma Intl
9h 09m
1 stop
BOS11:29 pmBoston Logan Intl
Oct 13
BOS5:55 amBoston Logan Intl
25h 53m
3 stops
SEA7:48 amSeattle/Tacoma Intl
Spirit Airlines
Oct 5
SEA3:55 pmSeattle/Tacoma Intl
24h 40m
3 stops
BOS4:35 pmBoston Logan Intl
Oct 18
BOS1:55 pmBoston Logan Intl
17h 53m
1 stop
SEA7:48 amSeattle/Tacoma Intl

Best airlines flying from Seattle to Boston

Compare and see reviews for airlines that fly from Seattle to Boston with momondo
AirlineRatingFree CancellationPrice
Spirit Airlines
PriceFrom $92
Free Cancellation
Rating
6.2
6.3

Boarding

5.8

Comfort

6.8

Crew

4.8

Entertainment

5.1

Food

Reviews

The flight and crew were fine.

1 / 10
Frontier
PriceFrom $111
Free Cancellation
Rating
6.2
6.5

Boarding

5.9

Comfort

7.0

Crew

4.8

Entertainment

5.0

Food

Reviews

Plane was looking new,crew was helpful,its suppose to land at 10.30pm but its did 9.55pm. 35mint earlier. Better than Spr.....

1 / 10
Alaska Airlines
PriceFrom $118
Free Cancellation
Rating
8.2
8.6

Boarding

8.4

Comfort

8.6

Crew

8.0

Entertainment

7.5

Food

Reviews

Great service

1 / 10
Delta
PriceFrom $118
Free Cancellation
Rating
8.3
8.3

Boarding

8.5

Comfort

8.4

Crew

8.1

Entertainment

8.1

Food

Reviews

Great

1 / 10
United Airlines
PriceFrom $122
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Not because the flight is going to Africa we can’t get better service on board

1 / 10
American Airlines
PriceFrom $126
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Sun Country Air
PriceFrom $132
Free Cancellation
Rating
8.3
8.5

Boarding

8.2

Comfort

8.8

Crew

7.4

Entertainment

7.6

Food

Reviews

More online available content would be nice

1 / 6
JetBlue
PriceFrom $138
Free Cancellation
Rating
7.0
7.3

Boarding

7.6

Comfort

7.9

Crew

7.2

Entertainment

6.8

Food

Reviews

Outdated media

1 / 10

  • Are airlines flying from Seattle/Tacoma Intl to Boston Logan Intl offering flexible cancellation due to COVID-19?

    To ease the stress of booking flights, some of our airline partners flying from Seattle/Tacoma Intl to Boston Logan Intl are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: Delta, JetBlue, and Alaska Airlines.

  • How far is Seattle/Tacoma Intl to Boston Logan Intl by plane?

    Boston Logan Intl is 2484.0 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 5h 04m.


Can I fly to Boston Logan Intl from Seattle/Tacoma Intl right now?

Information is based on travel restrictions for travel to Boston Logan Intl within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Boston Logan Intl.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Boston Logan Intl.

Can I fly back to Seattle/Tacoma Intl from Boston Logan Intl?

Returning to Seattle/Tacoma Intl from Boston Logan Intl

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering Seattle/Tacoma Intl.

If you are planning to travel to Boston at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

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
Spokane to Boston Flights
Fastest flight time6h 22m
Cheapest price$207
Bellingham to Boston Flights
Fastest flight time9h 34m
Cheapest price$297

Similar Seattle to Boston flights

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