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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 $481 2 $366 3 $330 4 $316 5 $296 6 $316
7 $384 8 $310 9 $300 10 $327 11 $356 12 $301 13 $316
14 $360 15 $316 16 $316 17 $316 18 $348 19 $296 20 $337
21 $354 22 $316 23 $310 24 $310 25 $326 26 $296 27 $301
28 $316 29 $296 30 $316        
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 Aug 24 - Sep 4
9069 8:35 am 5:10 pm Sep 5 - Sep 27
9069 8:35 am 5:07 pm Sep 28 - Nov 1
7530 3:35 pm 11:59 pm Sep 28 - Oct 6
7530 3:35 pm 11:55 pm Sep 27 - Sep 27
7530 3:35 pm 11:55 pm Sep 26 - Sep 26
7530 3:35 pm 11:55 pm Aug 24 - Sep 25
7512 11:05 pm 7:19 am Sep 28 - Oct 3
7512 11:05 pm 7:24 am Sep 22 - Sep 26
7512 11:05 pm 7:24 am Sep 14 - Sep 21
7512 11:05 pm 7:24 am Sep 5 - Sep 12
7512 11:05 pm 7:24 am Sep 4 - Sep 8
7512 11:05 pm 7:24 am Aug 25 - Sep 3
7512 11:05 pm 7:24 am Aug 24 - Aug 28