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

Departure Date

2025/7
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1258	2494	3370	4409	5566
6626	7543	8393	9Search	10434	11475	12Search
13340	14580	15324	16448	17Search	18Search	19Search
20Search	21448	22416	23354	24410	25Search	26Search
27476	28Search	29302	30Search	311,577

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2025/7
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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
July Lowest Airfares
USD258

The airfare displayed above is for Delta Air Lines

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-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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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)
USD204〜
-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)
USD176〜
-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)
USD253〜
* Fares vary in accordance to seat availability