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 19th, 2026

Outbound Flights

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5h 27m·Nonstop
$164 USD
Delta Air Lines
SEAApr 19 07:15
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BOSApr 19 15:42
DL 459Airbus A321neo
5h 19m·Nonstop
$164 USD
Delta Air Lines
SEAApr 19 15:40
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BOSApr 19 23:59
DL 474Airbus A321neo
5h 20m·Nonstop
$164 USD
Delta Air Lines
SEAApr 19 22:35
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BOSApr 20 06:55
DL 473Airbus A321neo
7h 25m·1 stop
$274 USD
Delta Air Lines
SEAApr 19 19:35
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SLCApr 19 22:41
DL 1239Boeing 737
48m layover
Delta Air Lines
SLCApr 19 23:29
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BOSApr 20 06:00
DL 696Airbus A321neo
6h 57m·1 stop
$274 USD
Delta Air Lines
SEAApr 19 23:14
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DTWApr 20 06:30
DL 810Boeing 757
40m layover
Delta Air Lines
DTWApr 20 07:10
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BOSApr 20 09:11
DL 1163Airbus A321neo
7h 47m·1 stop
$274 USD
Delta Air Lines
SEAApr 19 23:59
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MSPApr 20 05:15
DL 953Boeing 757
1h 40m layover
Delta Air Lines
MSPApr 20 06:55
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BOSApr 20 10:46
DL 2649Airbus A321
7h 31m·1 stop
$284 USD
Delta Air Lines
SEAApr 19 11:45
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CVGApr 19 19:00
DL 558Boeing 737
59m layover
Delta Air Lines
CVGApr 19 19:59
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BOSApr 19 22:16
DL 5598Embraer 175
7h 28m·1 stop
$339 USD
Delta Air Lines
SEAApr 19 13:24
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DTWApr 19 20:45
DL 533Boeing 737
1h 11m layover
Delta Air Lines
DTWApr 19 21:56
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BOSApr 19 23:52
DL 1187Boeing 737
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