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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 $350 2 $350 3 $350 4 $352
5 $311 6 $306 7 $300 8 $293 9 $463 10 $362 11 $312
12 $367 13 $312 14 $326 15 $326 16 $356 17 $301 18 $307
19 $307 20 $306 21 $296 22 $306 23 $306 24 $301 25 $307
26 $300 27 $296 28 $296 29 $296 30 $296 31 $301  
KAYAK searches hundreds of sites to find the best rate for your next flight from Seattle to Boston. Get the best flight deal for your Boston trip!
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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
9069 8:35 am 5:10 pm Sep 18 - Sep 27
9069 8:35 am 5:07 pm Sep 28 - Nov 1
7530 3:35 pm 11:59 pm Oct 27 - Nov 1
7530 3:35 pm 11:59 pm Oct 28 - Oct 30
7530 3:35 pm 11:55 pm Sep 27 - Sep 27
7530 3:35 pm 11:59 pm Sep 28 - Oct 6
7530 3:35 pm 11:59 pm Sep 30 - Sep 30
7530 3:35 pm 11:59 pm Oct 7 - Oct 26
7512 11:05 pm 7:19 am Oct 5 - Oct 31
7512 11:05 pm 7:19 am Sep 28 - Oct 3