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 8th, 2026

Outbound Flights

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5h 14m·Nonstop
$129 USD
Delta Air Lines
SEAApr 8 15:45
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BOSApr 8 23:59
DL 474Airbus A321neo
5h 25m·Nonstop
$129 USD
Delta Air Lines
SEAApr 8 22:25
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BOSApr 9 06:50
DL 473Airbus A321neo
5h 23m·Nonstop
$189 USD
Delta Air Lines
SEAApr 8 07:20
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BOSApr 8 15:43
DL 459Airbus A321neo
9h 7m·1 stop
$274 USD
Delta Air Lines
SEAApr 8 10:51
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AUSApr 8 17:04
DL 831Airbus A220-100 Passenger
1h 1m layover
Delta Air Lines
AUSApr 8 18:05
→
BOSApr 8 22:58
DL 1297Airbus A220-300 Passenger
10h 15m·1 stop
$274 USD
Delta Air Lines
SEAApr 8 16:55
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SLCApr 8 19:55
DL 1165Boeing 737
3h 36m layover
Delta Air Lines
SLCApr 8 23:31
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BOSApr 9 06:10
DL 696Airbus A321neo
8h 37m·1 stop
$339 USD
Delta Air Lines
SEAApr 8 17:55
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LAXApr 8 20:35
DL 2861Boeing 737
40m layover
Delta Air Lines
LAXApr 8 21:15
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BOSApr 9 05:32
DL 507Boeing 757
7h 35m·1 stop
$339 USD
Delta Air Lines
SEAApr 8 19:35
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SLCApr 8 22:43
DL 1239Airbus A220-300 Passenger
48m layover
Delta Air Lines
SLCApr 8 23:31
→
BOSApr 9 06:10
DL 696Airbus A321neo
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