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Cheap Flights from Seattle to Boston (SEA - BOS)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from SEA to BOS (Found by others)

Sun Mon Tue Wed Thu Fri Sat
        1 $439 2 $335 3 $325
4 $375 5 $325 6 $325 7 $349 8 $330 9 $308 10 $308
11 $330 12 $308 13 $308 14 $319 15 $341 16 $349 17 $308
18 $308 19 $308 20 $308 21 $308 22 $382 23 $373 24 $319
25 $308 26 $349 27 $336 28 $308 29 $308 30 $308 31 $308
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Direct flights SEA to BOS on Delta
Flight # Depart SEA Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
9102 9:35 am 6:10 pm May 4 - Jun 7
9102 9:50 am 6:10 pm May 1 - May 3
7512 10:20 pm 6:45 am May 4 - May 8
7512 10:20 pm 6:32 am May 1 - May 3
7512 10:20 pm 6:45 am May 9 - May 11
7512 11:00 pm 7:25 am May 20 - May 30
7512 11:00 pm 7:25 am May 31 - Jun 7
7512 11:00 pm 7:25 am May 12 - May 19
7512 11:00 pm 7:25 am May 13 - May 13