BA's Club Suite offers private pods with doors, ideal for long-haul comfort.
BA's World Traveller Plus offers extra seat width and legroom, enhancing comfort.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $445 (oojo) |
One-way from | $402 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $590 |
Good round-trip deal | $580 or less |
Good one-way deal | $412 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Tue 1/27
9:55 am-8:55 pm
1 stop16h 00m
Boston Logan Intl
Tue 2/3
10:40 pm-9:10 am
1 stop29h 30m
LondonBoston
LTN - BOS
LTNBOS
London Luton
Fri 12/5
5:50 am-6:55 pm
1 stop18h 05m
Boston Logan Intl
Sun 12/7
5:10 pm-8:55 am
1 stop10h 45m
LondonBoston
STN - BOS
STNBOS
London Stansted
Mon 12/8
1:30 pm-6:55 pm
1 stop10h 25m
Boston Logan Intl
Mon 12/15
9:20 pm-2:20 pm
1 stop12h 00m
LondonBoston
LTN - BOS
LTNBOS
London Luton
Sat 1/10
9:00 am-1:55 pm
1 stop9h 55m
Boston Logan Intl
Mon 1/12
5:10 pm-8:35 am
1 stop10h 25m
LondonBoston
STN - BOS
STNBOS
London Stansted
Sat 1/10
12:00 pm-6:59 pm
1 stop11h 59m
Boston Logan Intl
Mon 1/12
9:15 pm-9:20 pm
1 stop19h 05m
LondonBoston
LGW - BOS
LGWBOS
London Gatwick
Sat 1/17
1:10 pm-8:55 pm
1 stop12h 45m
Boston Logan Intl
Sun 1/18
10:40 pm-11:20 pm
1 stop19h 40m
LondonBoston
STN - BOS
STNBOS
London Stansted
Tue 12/30
6:00 am-1:50 pm
1 stop12h 50m
Boston Logan Intl
Sun 1/4
9:20 pm-11:05 am
1 stop8h 45m
LondonBoston
STN - BOS
STNBOS
London Stansted
Thu 12/4
6:30 am-1:55 pm
1 stop12h 25m
Boston Logan Intl
Thu 12/11
9:20 pm-9:20 pm
1 stop19h 00m
LondonBoston
LGW - BOS
LGWBOS
London Gatwick
Thu 2/26
12:45 pm-8:55 pm
1 stop13h 10m
Boston Logan Intl
Thu 3/5
10:40 pm-3:45 pm
1 stop12h 05m
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Wed 11/26
12:05 pm-8:20 pm
1 stop13h 15m
Boston Logan Intl
Wed 12/3
4:20 pm-10:50 am
2 stops13h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 79 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.
Currently, January is the cheapest month in which you can book a flight from London to Boston (average of $166). Flying from London to Boston in August is currently the most expensive (average of $486). 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.
One of the essential ways to save on airfare from London to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.
Travelers seeking maximum savings on their London to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reykjavik (KEF) – chosen by Cheapflights users on 67% of 1-stop itineraries from London to Boston on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $494.
Flights via Lisbon (LIS) have the shortest average one-way travel time for 1-stop routes: 13h 30m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 5h 19m.
Crew
Entertainment
Comfort
Overall
Boarding
Food
Reviews
Mary,Oct 2025
AMS - PDX
Crew
Entertainment
Comfort
Overall
Boarding
Food
Reviews
Mary,Oct 2025
AMS - PDX
Crew
Entertainment
Comfort
Overall
Boarding
Food
Reviews
Mary,Oct 2025
AMS - PDX
Crew
Entertainment
Comfort
Overall
Boarding
Food
Reviews
Mary,Oct 2025
AMS - PDX
Crew
Entertainment
Comfort
Overall
Boarding
Food
Reviews
Mary,Oct 2025
AMS - PDX
Crew
Entertainment
Comfort
Overall
Boarding
Food
Reviews
Mary,Oct 2025
AMS - PDX
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$404 | Average$726 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$412 | Average$740 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$414 | Average$547 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$456 | Average$784 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$465 | Average$565 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$743 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$649 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$545 | Average$639 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$551 | Average$799 | FlexibilityNo cancel fee | On-time72% |