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Cheapest flight deals Seattle -> Boston
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Earliest
Cheapest
Only direct flights
All flights
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
20 May 2024
direct
BOS
➔
SEA
28 May 2024
direct
€289
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
14 September 2024
direct
BOS
➔
SEA
21 September 2024
direct
€332
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
09 October 2024
direct
BOS
➔
SEA
16 October 2024
direct
€333
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
27 September 2024
direct
BOS
➔
SEA
01 October 2024
direct
€338
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
30 May 2024
direct
BOS
➔
SEA
02 June 2024
direct
€356
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
18 June 2024
direct
BOS
➔
SEA
16 July 2024
direct
€408
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
26 December 2024
direct
BOS
➔
SEA
31 December 2024
direct
€412
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
15 November 2024
direct
BOS
➔
SEA
24 November 2024
direct
€413
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
05 July 2024
direct
BOS
➔
SEA
09 July 2024
direct
€482
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
13 June 2024
direct
BOS
➔
SEA
16 June 2024
direct
€482
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
30 April 2024
direct
BOS
➔
SEA
14 May 2024
direct
€506
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
15 August 2024
direct
BOS
➔
SEA
18 August 2024
direct
€512
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
09 October 2024
stops
BOS
➔
SEA
16 October 2024
stops
€237
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
28 September 2024
stops
BOS
➔
SEA
09 October 2024
stops
€248
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
14 September 2024
stops
BOS
➔
SEA
21 September 2024
stops
€248
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
20 May 2024
stops
BOS
➔
SEA
28 May 2024
stops
€260
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
30 April 2024
stops
BOS
➔
SEA
14 May 2024
stops
€392
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
14 June 2024
stops
BOS
➔
SEA
24 June 2024
stops
€454
Seattle / Tacoma International
⇄
Boston Logan International
SEA
➔
BOS
15 August 2024
stops
BOS
➔
SEA
18 August 2024
stops
€498
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