How do most travelers feel about Finnair?

Cheapflights users who travel with Finnair (a popular airline from London to Boston) have rated them a 7.0/10. This rating comes from 1,289 reviews. If you are looking to travel LON-BOS, search your dates above.

Can I get a flight from London to Boston on Finnair for under £800?

There are 8 flights available on Finnair from London to Boston for under £800. These prices can change based on many factors including date and time. To find LON-BOS flight prices for your dates, click here.

How far ahead should I book a flight from London to Boston with Finnair?

Booking with Finnair 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Boston with Finnair?

Currently, the most affordable month to book a Finnair flight from London to Boston in November, with an average price of £500. Conversely, traveling with Finnair from London to Boston in July will be the most expensive, with an average cost of £661. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

£443+ Finnair Flights from London, England to Boston

Cheapflights users flying from London to Boston on Finnair typically fly into Boston Logan Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to Boston in 2024

One-way from	£472
Return from	£398
Popular in	July
Cheapest in	November
Average price (all airlines)	£617

Finnair
19/11
Nonstop
7h 35m total
London to Boston

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Finnair
4/11-13/11
3 total stops
51h 41m total
London to Boston

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Highest demand for flights from London to Boston Logan Intl; 20% potential price increase.

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Best time to find cheap flights from London to Boston Logan Intl; 3% potential price drop.

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Average price for all London to Boston Logan Intl flights (one-way and round-trip).

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Can I get a flight from London to Boston on Finnair for under £800?
There are 8 flights available on Finnair from London to Boston for under £800. These prices can change based on many factors including date and time. To find LON-BOS flight prices for your dates, click here.
How do most travelers feel about Finnair?
Cheapflights users who travel with Finnair (a popular airline from London to Boston) have rated them a 7.0/10. This rating comes from 1,289 reviews. If you are looking to travel LON-BOS, search your dates above.

Cheapest Finnair flights from London to Boston

Wed 28/809:35LHR - BOS

Nonstop7h 35mFinnair

Tue 10/907:35BOS - LHR

Nonstop6h 20mFinnair

Deal found 25/7£489

Pick Dates

Sat 31/809:35LHR - BOS

Nonstop7h 35mFinnair

Wed 11/920:25BOS - LHR

Nonstop6h 30mFinnair

Deal found 25/7£514

Pick Dates

Sat 31/817:00LHR - BOS

1 stop10h 53mFinnair

Tue 10/920:30BOS - LHR

Nonstop6h 35mFinnair

Deal found 25/7£518

Pick Dates

Direct flights from London to Boston on Finnair

Sun 1/909:35LHR - BOS

Nonstop7h 35mFinnair

Mon 16/1220:20BOS - LHR

Nonstop6h 30mFinnair

Deal found 25/7£443

Pick Dates

Mon 9/914:30LHR - BOS

Nonstop7h 20mFinnair

Wed 18/919:10BOS - LHR

Nonstop6h 40mFinnair

Deal found 25/7£457

Pick Dates

Sun 8/1219:05LHR - BOS

Nonstop7h 50mFinnair

Sun 15/1220:20BOS - LHR

Nonstop6h 30mFinnair

Deal found 25/7£464

Pick Dates

Last minute deals on Cheapflights

Thu 1/817:15LHR - BOS

Nonstop7h 35mFinnair

Mon 12/822:00BOS - LHR

Nonstop6h 35mFinnair

Deal found 25/7£1,220

Pick Dates

Fri 2/809:35LHR - BOS

Nonstop7h 30mFinnair

Mon 12/807:30BOS - LHR

Nonstop6h 25mFinnair

Deal found 24/7£1,263

Pick Dates

Thu 1/809:35LHR - BOS

Nonstop7h 30mFinnair

Mon 12/817:45BOS - LHR

1 stop10h 50mFinnair

Deal found 25/7£1,277

Pick Dates

One-way Finnair flights to Boston from London

Tue 19/1117:00LHR - BOS

Nonstop7h 35mFinnair

Deal found 25/7£472

Pick Dates

Mon 2/1210:05LHR - BOS

Nonstop7h 45mFinnair

Deal found 25/7£484

Pick Dates

Thu 2/111:25LHR - BOS

Nonstop7h 35mFinnair

Deal found 25/7£503

Pick Dates

Temperature and rainfall in Boston by month

BOS Temperature	-1 - 23 °C

BOS

Temperature

-1 - 23 °C

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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Other Finnair flights from London
Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

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Other airlines servicing London and Boston
Choose from other airlines serving London and Boston.

Other popular destinations in North America
If Boston is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Flights to New York

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Popular flights with Finnair
Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Finnair flights from London to Dallas/Fort Worth

Finnair flights from London to Atlanta

Finnair flights from London to New York

Finnair flights from London to O'Hare Intl

Finnair flights from London to Charlotte

Finnair flights from London to Las Vegas

Finnair flights from London to Los Angeles

Finnair flights from London to Raleigh

Finnair flights from London to Nashville

Finnair flights from London to George Bush Intcntl

Finnair flights from London to Indianapolis

Finnair flights from London to Las Vegas

Finnair flights from London to St. Louis

Finnair flights from London to Miami

Finnair flights from London to Minneapolis

Finnair flights from London to Helsinki

Finnair flights from London to Sky Harbor Intl

Finnair flights from London to Dallas/Fort Worth

Finnair flights from London to Boston

Finnair flights from London to Kansas City

Finnair flights from London to Helsinki

Finnair flights from London to Philadelphia

Finnair flights from London to Charlotte

Finnair flights from London to Memphis

Finnair flights from London to Detroit

Finnair flights from London to Hobby

Finnair flights from London to Rovaniemi

Finnair flights from London to Luis Munoz Marin Intl

Finnair flights from London to Columbus

See what others are saying about Finnair

Finnair

7.7

Good

1,332 reviews

Check prices

Overview

Recent reviews

5.6

Fair|Mar 2020

Nothing

Snack and some complimentary wifi or entertainment

4.0

Mediocre|Nov 2021

Had to pay £65 (~$90)to check my bag even though it was free on the outgoing flight. Had to pay surcharge for paying at check in even though I tried to correct in advance over phone and online. Kayak was no help.

10.0

Wonderful|Oct 2021

Kayak was terrible, I was told that I got 1 free checked bag, but when I got to the check-in counter I was told otherwise and had to pay for my checked bag!!!!

10.0

Wonderful|Aug 2022

Asked to put hand luggage in hold as flight full. Been waiting over an hour at Manchester airport to retrieve it

6.0

Okay|Jul 2023

One of the Flightattendant was so rude and bad. She should not work with people.

1 out of 444

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Cheapflights users flying from London to Boston on Finnair typically fly into Boston Logan Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to Boston in 2024

Find detailed information about Finnair flights from London to Boston. Explore the options provided by Finnair to plan your journey from London to Boston. Data last updated 26 July 2024.

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Can I get a flight from London to Boston on Finnair for under £800?

How do most travelers feel about Finnair?

Cheapest Finnair flights from London to Boston

Direct flights from London to Boston on Finnair

Last minute deals on Cheapflights

One-way Finnair flights to Boston from London

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other Finnair flights from London
Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Complete your trip
Complete your trip to Boston by adding a car hire and/or hotel booking to your travel itinerary.

Complete your trip to Boston by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing London and Boston
Choose from other airlines serving London and Boston.

Choose from other airlines serving London and Boston.

Other popular destinations in North America
If Boston is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

If Boston is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Popular flights with Finnair
Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 26 July 2024.

See what others are saying about Finnair

Overview

Recent reviews

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Flights

Finnair flights from London to Boston (LON - BOS)

Cheapflights users flying from London to Boston on Finnair typically fly into Boston Logan Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to Boston in 2024

Find detailed information about Finnair flights from London to Boston. Explore the options provided by Finnair to plan your journey from London to Boston. Data last updated 26 July 2024.

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Can I get a flight from London to Boston on Finnair for under £800?

How do most travelers feel about Finnair?

Cheapest Finnair flights from London to Boston

Direct flights from London to Boston on Finnair

Last minute deals on Cheapflights

One-way Finnair flights to Boston from London

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other Finnair flights from LondonBrowse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.

See what others are saying about Finnair

Overview

100% Free

Book with Flexibility

Travel Smart

Other Finnair flights from London
Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 26 July 2024.