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: Fri Nov 11 2016 Return: Tue Nov 15 2016 Trip spans 5 days
Sun Country Air
Sun Country Air
SEA
8:20a
BOS
3:14p
6h 54m
1 stop
BOS
1:55a
SEA
10:34a
8h 39m
1 stop
Depart: Fri Oct 14 2016 Return: Tue Oct 25 2016 Trip spans 12 days
Major Airline
Major Airline
SEA
11:25p
BOS
7:00p
19h 35m
1 stop
BOS
11:25p
SEA
11:45a
12h 20m
1 stop
Depart: Tue Oct 11 2016 Return: Wed Oct 19 2016 Trip spans 9 days
JetBlue
JetBlue
SEA
7:15p
BOS
12:26a
5h 11m
nonstop
BOS
3:00a
SEA
9:14a
6h 14m
nonstop
Depart: Wed Oct 19 2016 Return: Sat Oct 22 2016 Trip spans 4 days
Delta
Delta
SEA
8:00a
BOS
1:29p
5h 29m
nonstop
BOS
3:10a
SEA
9:28a
6h 18m
nonstop
Depart: Sat Oct 29 2016 Return: Tue Nov 1 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
11:40a
BOS
4:59p
5h 19m
nonstop
BOS
3:00a
SEA
9:15a
6h 15m
nonstop
Depart: Sat Nov 12 2016 Return: Tue Nov 15 2016 Trip spans 4 days
United
United
SEA
8:50a
BOS
4:30p
7h 40m
1 stop
BOS
12:50a
SEA
9:39a
8h 49m
1 stop
Depart: Thu Mar 9 2017 Return: Sun Mar 12 2017 Trip spans 3 days
Virgin America
Virgin America
SEA
12:15p
BOS
9:55p
9h 40m
1 stop
BOS
12:20p
SEA
9:50p
9h 30m
1 stop
Depart: Wed Oct 5 2016 Return: Wed Oct 12 2016 Trip spans 8 days
American Airlines
American Airlines
SEA
2:35a
BOS
9:41a
7h 06m
1 stop
BOS
3:00a
SEA
1:32p
10h 32m
1 stop
Depart: Tue Oct 4 2016 Return: Tue Oct 18 2016 Trip spans 15 days
Sun Country Air
Sun Country Air
SEA
9:20a
BOS
4:14p
6h 54m
1 stop
BOS
2:55a
SEA
11:27a
8h 32m
1 stop
Depart: Mon Oct 17 2016 Return: Thu Oct 20 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
9:50a
BOS
11:49p
13h 59m
1 stop
BOS
11:25p
SEA
11:45a
12h 20m
1 stop
Depart: Sat Oct 22 2016 Return: Sat Oct 29 2016 Trip spans 8 days
JetBlue
JetBlue
SEA
7:15p
BOS
12:26a
5h 11m
nonstop
BOS
12:34p
SEA
6:50p
6h 16m
nonstop
Depart: Sat Nov 5 2016 Return: Sat Nov 12 2016 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
5:25a
BOS
10:49a
5h 24m
nonstop
BOS
1:50p
SEA
8:25p
6h 35m
nonstop
Depart: Sat Oct 15 2016 Return: Tue Oct 25 2016 Trip spans 11 days
United
United
SEA
8:55a
BOS
5:12p
8h 17m
1 stop
BOS
1:50a
SEA
10:37a
8h 47m
1 stop
Depart: Sun Oct 9 2016 Return: Tue Nov 8 2016 Trip spans 31 days
Sun Country Air
Sun Country Air
SEA
9:20a
BOS
4:14p
6h 54m
1 stop
BOS
1:55a
SEA
10:34a
8h 39m
1 stop
Depart: Thu Dec 1 2016 Return: Sun Dec 4 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
9:05p
BOS
3:45a
30h 40m
1 stop
BOS
6:35a
SEA
3:17p
8h 42m
1 stop
Depart: Wed Nov 2 2016 Return: Sat Nov 5 2016 Trip spans 4 days
JetBlue
JetBlue
SEA
8:51a
BOS
2:02p
5h 11m
nonstop
BOS
3:15p
SEA
9:37p
6h 22m
nonstop
Depart: Tue Jan 10 2017 Return: Sat Jan 14 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
4:30a
BOS
9:48a
5h 18m
nonstop
BOS
2:00a
SEA
8:39a
6h 39m
nonstop
Depart: Sat Oct 8 2016 Return: Sat Oct 15 2016 Trip spans 8 days
United
United
SEA
9:50a
BOS
5:38p
7h 48m
1 stop
BOS
1:50a
SEA
10:37a
8h 47m
1 stop
Depart: Sun Oct 16 2016 Return: Wed Oct 19 2016 Trip spans 4 days
Sun Country Air
Sun Country Air
SEA
1:50p
BOS
3:49a
13h 59m
1 stop
BOS
2:55a
SEA
3:57p
13h 02m
1 stop
Depart: Wed Dec 7 2016 Return: Sun Dec 11 2016 Trip spans 5 days
Major Airline
Major Airline
SEA
4:05a
BOS
5:00p
12h 55m
2 stops
BOS
6:25a
SEA
3:50p
9h 25m
2 stops
Direct flights SEA to BOS on Delta
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
669 12:00 pm 8:29 pm Oct 1 - Nov 5
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$258
Destination

Boston
$258
Airlines Airline reviews

41 travelers who booked a flight from Seattle to Boston rated their chosen airlines with an average of 8.1.

Overall
8.4
Boarding
8.4
Crew
9.1
Comfort
8.1
Food
6.8
Entertainment
6.3