Find Deals on Flights from Seattle/Tacoma Intl to Boston Logan International (SEA - BOS)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle/Tacoma Intl to Boston Logan International

(Round-trip)
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
Sun Country Air
Sun Country Air
SEA
9:25a
BOS
4:14p
6h 49m
1 stop
BOS
3:00a
SEA
11:30a
8h 30m
1 stop
Depart: Wed May 10 2017 Return: Sun May 14 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
11:43p
BOS
5:50a
30h 07m
1 stop
BOS
11:25p
SEA
11:09a
11h 44m
1 stop
Depart: Mon Apr 17 2017 Return: Tue Apr 25 2017 Trip spans 9 days
JetBlue
JetBlue
SEA
7:38p
BOS
12:53a
5h 15m
nonstop
BOS
6:35a
SEA
12:53p
6h 18m
nonstop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
11:35a
BOS
4:57p
5h 22m
nonstop
BOS
5:10a
SEA
11:39a
6h 29m
nonstop
Depart: Sat May 6 2017 Return: Wed May 10 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
11:35a
BOS
4:57p
5h 22m
nonstop
BOS
3:00a
SEA
9:14a
6h 14m
nonstop
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
11:02a
BOS
10:57p
11h 55m
1 stop
BOS
1:13p
SEA
10:58p
9h 45m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Delta
Delta
SEA
12:55p
BOS
10:11p
9h 16m
1 stop
BOS
3:20a
SEA
9:30a
6h 10m
nonstop
Depart: Tue Sep 5 2017 Return: Tue Sep 19 2017 Trip spans 15 days
United
United
SEA
8:53p
BOS
5:47a
8h 54m
1 stop
BOS
2:00a
SEA
9:46a
7h 46m
1 stop
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
Sun Country Air
Sun Country Air
SEA
9:25a
BOS
4:14p
6h 49m
1 stop
BOS
2:45a
SEA
10:50a
8h 05m
1 stop
Depart: Wed Apr 19 2017 Return: Tue Apr 25 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
3:38p
BOS
8:53p
5h 15m
nonstop
BOS
2:35a
SEA
8:53a
6h 18m
nonstop
Depart: Mon Sep 11 2017 Return: Tue Sep 19 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
7:35p
BOS
12:48a
5h 13m
nonstop
BOS
3:00a
SEA
9:17a
6h 17m
nonstop
Depart: Wed Apr 5 2017 Return: Tue Apr 11 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
10:47a
BOS
11:20p
12h 33m
1 stop
BOS
1:13p
SEA
10:58p
9h 45m
1 stop
Depart: Thu Apr 27 2017 Return: Tue May 2 2017 Trip spans 6 days
Sun Country Air
Sun Country Air
SEA
9:25a
BOS
4:14p
6h 49m
1 stop
BOS
2:45a
SEA
10:50a
8h 05m
1 stop
Depart: Tue Apr 11 2017 Return: Mon Apr 24 2017 Trip spans 14 days
JetBlue
JetBlue
SEA
8:46a
BOS
2:03p
5h 17m
nonstop
BOS
3:25p
SEA
9:46p
6h 21m
nonstop
Depart: Thu Sep 7 2017 Return: Tue Sep 19 2017 Trip spans 13 days
United
United
SEA
6:30p
BOS
2:05a
7h 35m
1 stop
BOS
2:00a
SEA
9:46a
7h 46m
1 stop
Depart: Sat May 13 2017 Return: Tue May 16 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
7:11p
BOS
12:33a
5h 22m
nonstop
BOS
2:30p
SEA
10:58p
8h 28m
1 stop
Depart: Sun Sep 10 2017 Return: Tue Sep 19 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
11:00p
BOS
4:17a
5h 17m
nonstop
BOS
1:10a
SEA
7:32a
6h 22m
nonstop
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
11:35a
BOS
5:10p
5h 35m
nonstop
BOS
3:00a
SEA
9:17a
6h 17m
nonstop
Depart: Tue Aug 29 2017 Return: Sat Sep 9 2017 Trip spans 12 days
Delta
Delta
SEA
5:15p
BOS
10:41p
5h 26m
nonstop
BOS
3:20a
SEA
9:30a
6h 10m
nonstop
Depart: Mon May 1 2017 Return: Thu May 4 2017 Trip spans 4 days
Sun Country Air
Sun Country Air
SEA
8:45a
BOS
4:30p
7h 45m
1 stop
BOS
2:45a
SEA
10:50a
8h 05m
1 stop
Direct flights SEA to BOS on American Airlines
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
7088 7:10 am 3:39 pm Apr 10 - Apr 17
7088 7:10 am 3:39 pm Apr 12 - Apr 26
7088 7:10 am 3:39 pm Apr 20 - Apr 24
7088 7:10 am 3:39 pm Apr 27 - May 5
7088 7:10 am 3:39 pm Apr 29 - May 6
7088 7:15 am 3:34 pm Mar 30 - Apr 5
7088 7:15 am 3:34 pm Apr 1 - Apr 7
7088 7:15 am 3:34 pm Apr 8 - Apr 8
7088 7:15 am 3:34 pm Apr 9 - Apr 9
6874 3:35 pm 11:57 pm Apr 28 - May 5
6874 3:35 pm 11:57 pm Apr 10 - Apr 16
6874 3:35 pm 11:57 pm Apr 11 - Apr 17
6874 3:35 pm 11:57 pm Apr 18 - Apr 25
6874 3:35 pm 11:57 pm Apr 19 - Apr 19
6874 3:35 pm 11:57 pm Apr 26 - May 2
7103 9:35 pm 5:49 am Apr 9 - Apr 9
7103 9:35 pm 5:49 am Mar 30 - Apr 7
7103 9:35 pm 5:49 am Apr 3 - Apr 8
7103 11:11 pm 7:25 am Apr 10 - Apr 14
7103 11:11 pm 7:25 am Apr 11 - Apr 17
7103 11:11 pm 7:25 am Apr 18 - Apr 24
7103 11:11 pm 7:25 am Apr 19 - Apr 29
7103 11:11 pm 7:25 am Apr 30 - May 7
7103 11:11 pm 7:25 am May 4 - May 4
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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We’re not the seller.
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Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Seattle
$272
Destination

Boston
$272
Airlines Airline reviews

63 travelers who booked a flight from Seattle to Boston rated their chosen airlines with an average of 7.9.

Overall
8.1
Boarding
8.0
Crew
8.7
Comfort
7.7
Food
6.8
Entertainment
6.5