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Cheap Flights from Seattle to Boston (SEA - BOS)

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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 $394 2 $319 3 $298
4 $320 5 $319 6 $298 7 $319 8 $319 9 $319 10 $298
11 $308 12 $298 13 $298 14 $319 15 $350 16 $348 17 $298
18 $298 19 $298 20 $298 21 $318 22 $419 23 $446 24 $324
25 $308 26 $329 27 $298 28 $298 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 6
9102 9:50 am 6:10 pm May 1 - May 3
9102 9:50 am 6:10 pm Apr 16 - Apr 30
7512 10:20 pm 6:32 am May 1 - May 3
7512 10:20 pm 6:45 am May 9 - May 11
7512 10:20 pm 6:45 am May 4 - May 8
7512 10:20 pm 6:32 am Apr 15 - Apr 30
7512 11:00 pm 7:25 am May 20 - May 30
7512 11:00 pm 7:25 am May 13 - May 13
7512 11:00 pm 7:25 am May 12 - May 19