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

Friday, March 20th, 2026

Outbound Flights

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5h 14m·Nonstop
$319 USD
Delta Air Lines
SEAMar 20 15:45
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BOSMar 20 23:59
DL 474Airbus A321neo
5h 25m·Nonstop
$319 USD
Delta Air Lines
SEAMar 20 22:25
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BOSMar 21 06:50
DL 473Airbus A321neo
5h 23m·Nonstop
$399 USD
Delta Air Lines
SEAMar 20 07:20
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BOSMar 20 15:43
DL 459Airbus A321neo
7h 1m·1 stop
$409 USD
Delta Air Lines
SEAMar 20 23:15
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DTWMar 21 06:27
DL 810Boeing 737
48m layover
Delta Air Lines
DTWMar 21 07:15
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BOSMar 21 09:16
DL 1163Airbus A319
8h 59m·1 stop
$499 USD
Delta Air Lines
SEAMar 20 11:50
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MSPMar 20 17:15
DL 941Airbus A321neo
2h 44m layover
Delta Air Lines
MSPMar 20 19:59
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BOSMar 20 23:49
DL 2614Airbus A321
7h 23m·1 stop
$499 USD
Delta Air Lines
SEAMar 20 13:30
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DTWMar 20 20:45
DL 533Boeing 737
1h 11m layover
Delta Air Lines
DTWMar 20 21:56
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BOSMar 20 23:53
DL 1187Airbus A321
7h 35m·1 stop
$499 USD
Delta Air Lines
SEAMar 20 19:35
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SLCMar 20 22:43
DL 1239Airbus A220-300 Passenger
48m layover
Delta Air Lines
SLCMar 20 23:31
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BOSMar 21 06:10
DL 696Airbus A321neo
6h 51m·1 stop
$749 USD
Delta Air Lines
SEAMar 20 09:55
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DTWMar 20 17:10
DL 1706Boeing 737
46m layover
Delta Air Lines
DTWMar 20 17:56
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BOSMar 20 19:46
DL 1707Boeing 737
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