Delta Air LinesDLDelta Air Lines
One Way•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesBOS

Logan International Airport

Boston, United States
$201 USD
-23%$154 USD
Verified Dec 1, 2025 at 3:47 AM
Good Availability
54% of dates checked are available within 10% of the lowest price

Sunday, April 5th, 2026

Outbound Flights

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5h 14m·Nonstop
$149 USD
Delta Air Lines
SEAApr 5 15:45
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BOSApr 5 23:59
DL 474Airbus A321neo
5h 25m·Nonstop
$149 USD
Delta Air Lines
SEAApr 5 22:25
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BOSApr 6 06:50
DL 473Airbus A321neo
5h 23m·Nonstop
$259 USD
Delta Air Lines
SEAApr 5 07:20
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BOSApr 5 15:43
DL 459Airbus A321neo
7h 35m·1 stop
$269 USD
Delta Air Lines
SEAApr 5 19:35
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SLCApr 5 22:43
DL 1239Airbus A220-300 Passenger
48m layover
Delta Air Lines
SLCApr 5 23:31
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BOSApr 6 06:10
DL 696Airbus A321neo
9h 7m·1 stop
$459 USD
Delta Air Lines
SEAApr 5 10:51
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AUSApr 5 17:04
DL 831Airbus A220-100 Passenger
1h 1m layover
Delta Air Lines
AUSApr 5 18:05
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BOSApr 5 22:58
DL 1297Airbus A220-300 Passenger
7h 56m·1 stop
$459 USD
Delta Air Lines
SEAApr 5 23:59
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MSPApr 6 05:17
DL 953Airbus A321neo
1h 43m layover
Delta Air Lines
MSPApr 6 07:00
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BOSApr 6 10:55
DL 2649Airbus A320
7h 23m·1 stop
$579 USD
Delta Air Lines
SEAApr 5 13:30
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DTWApr 5 20:45
DL 533Boeing 737
1h 11m layover
Delta Air Lines
DTWApr 5 21:56
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BOSApr 5 23:53
DL 1187Airbus A321
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