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, March 18th, 2026

Outbound Flights

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5h 23m·Nonstop
$199 USD
Delta Air Lines
SEAMar 18 07:20
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BOSMar 18 15:43
DL 459Airbus A321neo
5h 14m·Nonstop
$199 USD
Delta Air Lines
SEAMar 18 15:45
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BOSMar 18 23:59
DL 474Airbus A321neo
10h 15m·1 stop
$229 USD
Delta Air Lines
SEAMar 18 16:55
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SLCMar 18 19:55
DL 1165Boeing 737
3h 36m layover
Delta Air Lines
SLCMar 18 23:31
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BOSMar 19 06:10
DL 696Airbus A321neo
5h 25m·Nonstop
$259 USD
Delta Air Lines
SEAMar 18 22:25
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BOSMar 19 06:50
DL 473Airbus A321neo
8h 9m·1 stop
$319 USD
Delta Air Lines
SEAMar 18 08:25
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MSPMar 18 13:47
DL 536Boeing 737
1h 59m layover
Delta Air Lines
MSPMar 18 15:46
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BOSMar 18 19:34
DL 2591Airbus A321
7h 1m·1 stop
$319 USD
Delta Air Lines
SEAMar 18 23:15
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DTWMar 19 06:27
DL 810Boeing 737
48m layover
Delta Air Lines
DTWMar 19 07:15
→
BOSMar 19 09:16
DL 1163Airbus A319
7h 23m·1 stop
$399 USD
Delta Air Lines
SEAMar 18 13:30
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DTWMar 18 20:45
DL 533Boeing 737
1h 11m layover
Delta Air Lines
DTWMar 18 21:56
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BOSMar 18 23:53
DL 1187Airbus A321
7h 35m·1 stop
$399 USD
Delta Air Lines
SEAMar 18 19:35
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SLCMar 18 22:43
DL 1239Airbus A220-300 Passenger
48m layover
Delta Air Lines
SLCMar 18 23:31
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BOSMar 19 06:10
DL 696Airbus A321neo
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