Find flights
Deals
FAQs

Cheap Business Class flights to Boston

LHR — BOS
28 Aug — 4 Sep1
1 adult
1 adult, Business, 0 bags

Best travel deals

Find the best flight deals available from hundreds of sites within seconds

Trusted and free

Cheapflights is 100% free to use. No hidden charges!

Book with flexibility

Easily find flight tickets with no change fees

Cheap business class flights to Boston in 2026

Find the latest flights to Boston in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 29 July 2026.

Average Price

£2,815

Cheapest Price

£1,409

Top Rated Airline

KLM

No. of Airlines

11

Arrival Airport

Boston Logan Intl Airport
Average for return business class flights in July 2026
Search Deals
The lowest price for a business class flight ticket to Boston
Search Deals
Most popular airline to fly business class with to Boston in the past 7 days
Search Deals
Airlines that offer business class options for this route
Search Deals
Closest airport for this route
Search Deals

Find business class flight deals to Boston

Enter your travel dates to find the best prices.

Cheapest business class flights to Boston
Explore the most affordable business class flight options available to Boston. Find the lowest fares based on data from user searches, with prices last updated on 29 July 2026.

Thu 26/1106:20
LHR
-
BOS
1 stop13h 09m
Air France
Thu 3/1219:10
BOS
-
LHR
Nonstop6h 40m
Air France
Deal found 28/7£495
Thu 10/908:55
LHR
-
BOS
1 stop11h 05m
Air France
Fri 25/919:05
BOS
-
LHR
Nonstop6h 40m
Air France
Deal found 28/7£499
Tue 27/1009:40
LHR
-
BOS
Nonstop7h 49m
Air France
Tue 3/1117:05
BOS
-
LHR
1 stop10h 00m
Air France
Deal found 28/7£501
Sat 17/1009:40
LHR
-
BOS
Nonstop7h 41m
Air France
Fri 23/1021:30
BOS
-
LHR
Nonstop6h 45m
Air France
Deal found 28/7£504
Sun 27/908:55
LHR
-
BOS
1 stop11h 05m
Air France
Sun 4/1019:05
BOS
-
LHR
Nonstop6h 40m
Air France
Deal found 28/7£508
Sat 3/1009:40
LHR
-
BOS
Nonstop7h 41m
Air France
Thu 8/1017:10
BOS
-
LHR
1 stop9h 45m
Air France
Deal found 28/7£515

Travel insights for business class flights from United Kingdom to Boston

Get recent, data-driven insights about business class flights from United Kingdom to Boston including ideal travel times, pricing trends, and more.

Which month is the cheapest to fly Business Class from the United Kingdom to Boston?

For Business Class flights, the cheapest month to fly this route is August. The most expensive months are March and April.

Rainfall in Boston by month

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

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.

Temperature in Boston by month

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

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).

How far ahead should I book a Business Class flight to Boston?

Booking a Business Class flight 85 days in advance of your planned departure date is, on average, the best time to get cheap flights to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Frequently asked questions about Boston business class tickets

Find answers to common questions related to Business Class tickets for flights to Boston. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 29 July 2026.

  • What is the cheapest price for a Business Class ticket to Boston?

    A usual price for a Business Class ticket to Boston is £2,815. Factors like departure/arrival dates or even airline preference can impact final rates. Find Business Class deals as low as £1,409/person if flying from London Heathrow Airport.

  • How much do Prem Economy Class flight tickets to Boston cost?

    Prem Economy flights to Boston should cost around £1,440 a person. It is worth noting that many users save, on average, 49% choosing Prem Economy over Business Class while still travelling with comfort.

  • How many premium cabins does Finnair have for flights to Boston?

    Finnair currently offers a couple premium cabin classes on flights to Boston: Prem Economy Class, Business Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.

  • What is the cheapest month to book a Business Class flight from United Kingdom to Boston?

    Currently, August is the cheapest month in which you can book a Business Class flight from United Kingdom to Boston (average of £2,189). Flying from United Kingdom to Boston in March is currently the most expensive (average of £3,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

See more FAQs

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.