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Cheap flights from Seattle-Tacoma International to Logan Intl

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

All the information you need to plan the best SEA to BOS flight in 2021: compare Seattle-Tacoma International to Logan Intl flight prices with the expected peak season, weather and rainfall in Logan Intl.
SEA - BOS
Price
$291 - $629
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

$183

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 $1,738. For sooner than that we have options available in the next 3 days from $1,920.

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 $1,736. Cheapflights users have found deals in the month of May for as cheap as $1,267. The most expensive prices can be found in the month of September.

Cheap flights from Seattle-Tacoma International to Logan Intl in June, July 2021

The best prices found for SEA to BOS flights in June, July
22 Jun - 4 Jul
$483pp
SEA
Seattle/Tacoma Intl
JetBlue
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
JetBlue
Direct
SEA
Seattle/Tacoma Intl
26 Jul - 18 Aug
$511pp
SEA
Seattle/Tacoma Intl
Delta
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
SEA
Seattle/Tacoma Intl
26 Jul - 16 Aug
$531pp
SEA
Seattle/Tacoma Intl
Sun Country Air
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Sun Country Air
 
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
13 Oct - 19 Oct
$359pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
30 Sep - 10 Oct
$395pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Oct - 26 Oct
$410pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Alaska Airlines
Direct
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
25 Oct - 26 Oct
$410pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
11 Sep - 17 Sep
$417pp
SEA
Seattle/Tacoma Intl
JetBlue
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
JetBlue
Direct
SEA
Seattle/Tacoma Intl
21 Oct - 22 Oct
$438pp
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
22 Jun - 4 Jul
$483pp
SEA
Seattle/Tacoma Intl
JetBlue
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
JetBlue
Direct
SEA
Seattle/Tacoma Intl
24 Jun - 25 Jun
$595pp
SEA
Seattle/Tacoma Intl
JetBlue
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
JetBlue
Direct
SEA
Seattle/Tacoma Intl
22 Jun - 27 Jun
$619pp
SEA
Seattle/Tacoma Intl
JetBlue
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
JetBlue
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
14:10 - 02:44
Spirit Airlines
1 stop
9h 34m
SEA - BOS
Spirit Airlines
$183
Spirit
17:12 - 01:30
Alaska Airlines
Direct
5h 18m
SEA - BOS
Alaska Airlines
03:00 - 16:35
United Airlines
1 stop
10h 35m
SEA - BOS
United Airlines
$302
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle-Tacoma International</span> to <span class="emphasized">Logan Intl</span> flights.

Flight FAQs

From Seattle-Tacoma International to Logan Intl

Can I find flights from Seattle-Tacoma International to Logan Intl for under $421 on Cheapflights?

Yes, there are multiple flights from Seattle-Tacoma International to Logan Intl for under $421. The cheapest flight booked recently is on United Airlines for just $359, but on average you can expect to pay $442.

Are there direct flights from Seattle-Tacoma International to Logan Intl for under $421 on Cheapflights?

Cheapflights has 20 direct flights from Seattle-Tacoma International to Logan Intl under $421. A good price for a direct flight from Seattle-Tacoma International to Logan Intl is less than $490.

Are there last-minute flights available from Seattle-Tacoma International to Logan Intl for under $562?

There are currently 20+ open flights from Seattle-Tacoma International to Logan Intl within the next 7 days for less than $562.

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 less than Boston. You can assume this to be the case over the next 15 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 $484, JetBlue can have you in Logan Intl from Seattle-Tacoma International in 5h 12m. Generally, flights for this route are direct.

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

United Airlines, at $360, was found to be the cheapest airline from Seattle-Tacoma International to Logan Intl.Alternate airlines flying return to your destination include Delta and Alaska Airlines. United Airlines is 12% 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 Spirit Airlines. According to our data, you can fly for as low as $156. Users have also found prices from $210 and $222 on Spirit Airlines and JetBlue, respectively.

Related searches

Flights to Logan Intl from Seattle-Tacoma International
Flights to Seattle-Tacoma International Flights to Logan Intl

Rent a Car

Car Rentals at Logan Intl Car Rentals in USA

Destination information for Logan Intl

Things to know before you go - useful duration and weather info for your trip from Seattle-Tacoma International to Logan Intl.
Flight duration
5h 51m
Average temperature for June in Logan Intl
26.0 °C
Avg rainfall for June in Logan Intl
79.0 mm

Airports servicing Seattle

Airports servicing Boston

Hourly flight availability from Seattle-Tacoma International to Logan Intl

See what time of day planes typically take off from Seattle-Tacoma International towards Logan Intl.
Evening 6 PM to midnight 51% of flight departures
Afternoon Midday to 6 PM 39% of flight departures
Morning 6 AM to midday 8% of flight departures
Early morning Midnight to 6 AM 2% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle-Tacoma International to Logan Intl
See how many times per day planes take to the skies headed from Seattle-Tacoma International to Logan Intl.
Sunday
16 daily flights
Monday
13 daily flights
Tuesday
14 daily flights
Wednesday
13 daily flights
Thursday
20 daily flights
Friday
13 daily flights
Saturday
13 daily flights
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