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
		1------	2------	3------	4------	5------
6------	7------	8------	9------	10------	11------	12------
13------	14------	15------	16------	17------	18------	19------
20------	21Search	22358	23778	24400	25Search	26542
27464	28Search	29424	30Search	311,537

Select Return Date　　 Change Departure Date

Return Date

2025/7
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1------	2------	3------	4------	5------
6------	7------	8------	9------	10------	11------	12------
13------	14------	15------	16------	17------	18------	19------
20------	21------	22------	23------	24------	25------	26------
27------	28------	29------	30------	31------

　　Select Departure Date

Currency:US Dollar Loading Searching Fares Updating Fares

Departure Date

―

Return Date

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

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

-Tacoma－Logan Airport
July Lowest Airfares
USD358

The airfare displayed above is for Delta Air Lines

Set calendar for this month
-Tacoma－Logan Airport
August Lowest Airfares
USD274

The airfare displayed above is for Delta Air Lines

Set calendar for this month

-Tacoma－Logan Airport
September Lowest Airfares
USD223

The airfare displayed above is for Delta Air Lines

Set calendar for this month
-Tacoma－Logan Airport
October Lowest Airfares
USD233

The airfare displayed above is for Delta Air Lines

Set calendar for this month
-Tacoma－Logan Airport
November Lowest Airfares
USD213

The airfare displayed above is for Delta Air Lines

Set calendar for this month

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)
USD199〜
-Tacoma－Washington D.C(Ronald Reagan Washington National)
USD242〜
-Tacoma－Washington D.C(Washington Dulles)
USD268〜
-Tacoma－Chicago(O'Hare)
USD104〜
-Tacoma－Chicago(Midway)
USD282〜
-Tacoma－Dallas(/Fort Worth)
USD122〜
-Tacoma－Dallas(Love Field)
USD274〜
-Tacoma－San Diego(SAN)
USD136〜
-Tacoma－Atlanta(Hartsfield-Jackson)
USD197〜
* Fares vary in accordance to seat availability
Other Departures to: Boston

Dallas/Fort Worth Airport－Boston(Logan)
USD155〜
O'Hare Airport－Boston(Logan)
USD90〜
Washington Dulles Airport－Boston(Logan)
USD189〜
Baltimore-Washington Airport－Boston(Logan)
USD118〜
Dallas Love Field Airport－Boston(Logan)
USD558〜
Ronald Reagan Washington National Airport－Boston(Logan)
USD135〜
Chicago Midway Airport－Boston(Logan)
USD247〜
* Fares vary in accordance to seat availability