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Cheap flights from Seattle-Tacoma International to Logan Intl

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How to find the cheapest flight from
Seattle-Tacoma International (SEA) to Logan Intl (BOS)

SEA - BOS
Price
$291 - $630
BOS
Temperature
4 - 29 °C
BOS
Rainfall
70 - 99 mm

Popular in

December

High demand for flights, 35% potential price rise

Cheapest in

January

Best time to find cheap flights, 29% potential price drop

Round-trip from

$291

From Seattle-Tacoma International to Logan Intl

One-way from

$139

One-way flight from Seattle-Tacoma International to Logan Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle-Tacoma International to Logan Intl?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 14 days in advance, which can save you up to 6% on flights from Seattle-Tacoma International to Logan Intl compared to booking the week you need them. Waiting 14 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,740. For sooner than that we have options available in the next 3 days from $1,921.

What is the cheapest month to fly from Seattle-Tacoma International to Logan Intl?

May can be a great time to fly to Logan Intl from Seattle-Tacoma International with a flight ticket averaging about $1,738. Cheapflights users have found deals in the month of May for as cheap as $1,268. The most expensive prices can be found in the month of September.

Cheap flights from Seattle-Tacoma International to Logan Intl in January, February 2021

The best prices found for SEA to BOS flights in January, February
12 Feb - 16 Feb
$277pp
SEA
Seattle/Tacoma Intl
Delta
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
11 Feb - 20 Feb
$290pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
11 Feb - 20 Feb
$302pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle-Tacoma International to Logan Intl 2021 flight deals

Cheap flights to Logan Intl from Seattle-Tacoma International found for this year
12 Feb - 16 Feb
$277pp
SEA
Seattle/Tacoma Intl
Delta
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
11 Feb - 20 Feb
$290pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
11 Feb - 20 Feb
$302pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

Direct flights to Logan Intl from Seattle-Tacoma International

Save time with Seattle-Tacoma International to Logan Intl direct flight deals
12 Feb - 16 Feb
$277pp
SEA
Seattle/Tacoma Intl
Delta
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
3 Mar - 10 Mar
$305pp
SEA
Seattle/Tacoma Intl
Delta
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
3 Mar - 14 Mar
$319pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

Last-minute flights from Seattle-Tacoma International to Logan Intl

Late deals on return flights to Logan Intl from Seattle-Tacoma International, departing today and this week
28 Jan - 1 Feb
$603pp
SEA
Seattle/Tacoma Intl
Delta
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
28 Jan - 1 Feb
$607pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
24 Jan - 28 Jan
$758pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

One-way flights to Logan Intl from Seattle-Tacoma International

The cheapest one-way flights from Seattle-Tacoma International to Logan Intl
02:50 - 11:06
Delta
Direct
5h 16m
SEA - BOS
Delta
$140
Delta
06:15 - 14:35
Delta
Direct
5h 20m
SEA - BOS
Delta
$168
Delta
18:40 - 02:59
Delta
Direct
5h 19m
SEA - BOS
Delta
$182
Delta

Related info for your journey

Useful info, stats and facts about Seattle-Tacoma International to Logan Intl flights.

Flight FAQs

From Seattle-Tacoma International to Logan Intl

Can I find flights from Seattle-Tacoma International to Logan Intl for under $281 on Cheapflights?

Yes, there are multiple flights from Seattle-Tacoma International to Logan Intl for under $281. The cheapest flight booked recently is on Delta for just $277, but on average you can expect to pay $357.

Are there direct flights from Seattle-Tacoma International to Logan Intl for under $281 on Cheapflights?

Cheapflights has 20 direct flights from Seattle-Tacoma International to Logan Intl under $281. A good price for a direct flight from Seattle-Tacoma International to Logan Intl is less than $413.

Are there last-minute flights available from Seattle-Tacoma International to Logan Intl for under $703?

There are currently 3+ open flights from Seattle-Tacoma International to Logan Intl within the next 7 days for less than $703.

Does it rain more in Seattle or Boston?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Seattle is roughly greater than that of Boston. You can assume this to be the case over the next 24 days.

Is Seattle weather warmer or cooler than Boston?

We forecast the temperature to be around the 29 °Cs in July, on average. The temperature in Boston is generally hotter than in Seattle. Book flights in a timely manner in correlation to your departure date.

How long does is the flight from Seattle-Tacoma International to Logan Intl?

For as low as $290, Delta can have you in Logan Intl from Seattle-Tacoma International in 5h 09m. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from Seattle-Tacoma International to Logan Intl return?

Delta, at $277, was found to be the cheapest airline from Seattle-Tacoma International to Logan Intl.Alternate airlines flying return to your destination include United Airlines and Alaska Airlines. Delta is 32% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle-Tacoma International to Logan Intl one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $140. Users have also found tickets on Alaska Airlines for as little as $258.

Related searches

Flights to Logan Intl from Seattle-Tacoma International
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Destination information for Logan Intl

Things to know before you go. Useful info for your trip from Seattle-Tacoma International to Logan Intl
Flight duration
5h 52m
Average temperature for January in Logan Intl
4.0 °C
Avg rainfall for January in Logan Intl
85.0 mm

Airports servicing Seattle

Airports servicing Boston

Hourly flight availability from Seattle-Tacoma International to Logan Intl

Morning 6 AM to midday 90% of flight departures
Evening 6 PM to midnight 9% of flight departures
Early morning Midnight to 6 AM 1% of flight departures
Afternoon Midday to 6 PM 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle-Tacoma International to Logan Intl
Sunday
3 daily flights
Monday
4 daily flights
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
3 daily flights
Friday
5 daily flights
Saturday
3 daily flights
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