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

Wednesday, April 1st, 2026

Outbound Flights

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5h 14m·Nonstop
$109 USD
Delta Air Lines
SEAApr 1 15:45
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BOSApr 1 23:59
DL 474Airbus A321neo
5h 23m·Nonstop
$149 USD
Delta Air Lines
SEAApr 1 07:20
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BOSApr 1 15:43
DL 459Airbus A321neo
5h 25m·Nonstop
$149 USD
Delta Air Lines
SEAApr 1 22:25
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BOSApr 2 06:50
DL 473Airbus A321neo
10h 15m·1 stop
$159 USD
Delta Air Lines
SEAApr 1 16:55
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SLCApr 1 19:55
DL 1165Boeing 737
3h 36m layover
Delta Air Lines
SLCApr 1 23:31
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BOSApr 2 06:10
DL 696Airbus A321neo
8h 9m·1 stop
$269 USD
Delta Air Lines
SEAApr 1 08:25
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MSPApr 1 13:47
DL 536Boeing 737
1h 59m layover
Delta Air Lines
MSPApr 1 15:46
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BOSApr 1 19:34
DL 2591Airbus A321
7h 23m·1 stop
$349 USD
Delta Air Lines
SEAApr 1 13:30
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DTWApr 1 20:45
DL 533Boeing 737
1h 11m layover
Delta Air Lines
DTWApr 1 21:56
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BOSApr 1 23:53
DL 1187Airbus A321
8h 37m·1 stop
$349 USD
Delta Air Lines
SEAApr 1 17:55
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LAXApr 1 20:35
DL 2861Boeing 737
40m layover
Delta Air Lines
LAXApr 1 21:15
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BOSApr 2 05:32
DL 507Boeing 757
7h 35m·1 stop
$349 USD
Delta Air Lines
SEAApr 1 19:35
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SLCApr 1 22:43
DL 1239Airbus A220-300 Passenger
48m layover
Delta Air Lines
SLCApr 1 23:31
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BOSApr 2 06:10
DL 696Airbus A321neo
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