Cheap Flights from Seattle-Tacoma International Airport to Boston (BOS) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/8
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3Search	4319	5346	6Search	7511	8Search	9433
10Search	11Search	12Search	13Search	14519	15393	16Search
17Search	18Search	19Search	20Search	21Search	22738	23661
24Search	25469	26Search	27Search	28Search	29319	30Search
31281

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2025/8
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

-Tacoma－Logan Airport
August Lowest Airfares
USD281

The airfare displayed above is for Delta Air Lines

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-Tacoma－Logan Airport
September Lowest Airfares
USD210

The airfare displayed above is for Delta Air Lines

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-Tacoma－Logan Airport
October Lowest Airfares
USD239

The airfare displayed above is for Delta Air Lines

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-Tacoma－Logan Airport
November Lowest Airfares
USD256

The airfare displayed above is for Delta Air Lines

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-Tacoma－Logan Airport
December Lowest Airfares -----

Seattle－Boston
Estimated Flight Time
5 Hours 16 Minutes
Seattle－Boston
Number of Operating Airlines
7

Operating Airlines for -Tacoma－Logan Airport Route
Non-StopAlaska Airlines

Non-StopDelta Air Lines

Non-StopUnited Airlines

Non-StopLCCJet Blue Airways

American Airlines

SUN COUNTRY

LCCSpirit

Other Destinations from:Seattle

-Tacoma－Washington D.C(Baltimore-Washington)
USD205〜
-Tacoma－Washington D.C(Ronald Reagan Washington National)
USD248〜
-Tacoma－Washington D.C(Washington Dulles)
USD271〜
-Tacoma－Chicago(O'Hare)
USD110〜
-Tacoma－Chicago(Midway)
USD160〜
-Tacoma－Dallas(/Fort Worth)
USD174〜
-Tacoma－Dallas(Love Field)
USD281〜
-Tacoma－San Diego(SAN)
USD177〜
-Tacoma－Atlanta(Hartsfield-Jackson)
USD255〜
* Fares vary in accordance to seat availability
Other Departures to: Boston

Dallas/Fort Worth Airport－Boston(Logan)
USD156〜
O'Hare Airport－Boston(Logan)
USD116〜
Washington Dulles Airport－Boston(Logan)
USD216〜
Baltimore-Washington Airport－Boston(Logan)
USD65〜
Ronald Reagan Washington National Airport－Boston(Logan)
USD137〜
Chicago Midway Airport－Boston(Logan)
USD254〜
* Fares vary in accordance to seat availability