
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $647 (British Airways) |
One-way from | $467 (British Airways) |
Popular in | June |
Cheapest in | September |
Average price | $805 |
Good round-trip deal | $754 or less |
Good one-way deal | $469 or less |
Fly from
Fly to
Route
Depart
Return
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Mon 6/22
2:45 pm-10:49 pm
1 stop13h 04m
Boston Logan Intl
Mon 7/6
8:05 pm-8:00 am
Nonstop6h 55m
LondonBoston
LCY - BOS
LCYBOS
London City
Fri 10/2
7:00 pm-1:15 pm
1 stop23h 15m
Boston Logan Intl
Mon 10/5
1:25 pm-9:30 am
2 stops15h 05m
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Tue 10/6
4:05 pm-6:50 pm
Nonstop7h 45m
Boston Logan Intl
Sat 10/31
8:10 pm-6:50 am
Nonstop6h 40m
LondonBoston
LCY - BOS
LCYBOS
London City
Wed 9/2
3:30 pm-4:54 pm
2 stops30h 24m
Boston Logan Intl
Sun 9/6
9:15 pm-9:35 pm
1 stop19h 20m
LondonBoston
LTN - BOS
LTNBOS
London Luton
Wed 10/7
1:50 pm-6:50 pm
1 stop10h 00m
Boston Logan Intl
Wed 10/14
9:15 pm-3:25 pm
1 stop13h 10m
LondonBoston
LTN - BOS
LTNBOS
London Luton
Mon 8/31
3:15 pm-3:35 pm
3 stops29h 20m
Boston Logan Intl
Mon 9/7
5:40 pm-7:55 pm
2 stops21h 15m
LondonBoston
LGW - BOS
LGWBOS
London Gatwick
Wed 9/9
6:00 pm-7:50 pm
2 stops30h 50m
Boston Logan Intl
Sun 9/13
5:25 pm-9:25 am
2 stops35h 00m
LondonBoston
LCY - BOS
LCYBOS
London City
Fri 7/24
9:15 am-3:40 pm
1 stop11h 25m
Boston Logan Intl
Tue 8/4
5:45 pm-8:40 am
1 stop9h 55m
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Wed 8/12
6:55 pm-9:20 pm
Nonstop7h 25m
Boston Logan Intl
Mon 8/17
11:10 pm-10:40 am
Nonstop6h 30m
LondonBoston
LHR - BOS
LHRBOS
London Heathrow
Mon 7/20
10:50 am-8:10 pm
2 stops14h 20m
Boston Logan Intl
Mon 7/27
2:31 pm-9:20 am
1 stop13h 49m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Currently, November is the cheapest month in which you can book a flight from London to Boston (average of $552). Flying from London to Boston in January is currently the most expensive (average of $851). 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 in the evening tend to be the most expensive. A flight at noon could potentially save you up to 20% on airfare.
The most flights from LON to BOS are scheduled on a Monday (38 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (25 on average).
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 $401.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 35m.
Flights via Madrid (MAD) offer the fastest connection on this route, with an average layover time of 1h 13m.
About 9% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 150 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 5% of flights being delayed.
Booking 73 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.
Travelers seeking maximum savings on their London to Boston flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Rakshith,May 2026
TPE - SEA
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Rakshith,May 2026
TPE - SEA
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Rakshith,May 2026
TPE - SEA
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Rakshith,May 2026
TPE - SEA
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Rakshith,May 2026
TPE - SEA
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Rakshith,May 2026
TPE - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$703 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$401 | Average$604 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$428 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$438 | Average$775 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$481 | Average$785 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$682 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$486 | Average$780 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$517 | Average$761 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$592 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$601 | Average$736 | FlexibilityNo cancel fee | On-time77% |