United Airlines Boston to London Flights

Return flight: London – Boston

Cheapflightsplus.com will find cheap United Airlines flights from Boston to London. Compare airline ticket prices and book air tickets starting from $312 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Boston (MA) — London by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in december: one-way - $312, two-way – $535.
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Below is a detailed 2020 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:15 am — 10:50 am
+1 day
10:15 am — 11:55 am UA1251 United Airlines
Boston — Chicago
9h 10m stop
9:05 pm — 10:50 am DI7152 Norwegian UK
Chicago — London
19h 35m
including layover
Find flight
from$465
11:40 am — 12:05 pm
+1 day
11:40 am — 1:04 pm UA235 United Airlines
Boston — Newark
11h 6m stop
0:10 am — 12:05 pm AI172 Air India
Newark — London
19h 25m
including layover
Find flight
from$505
1:00 pm — 5:55 am
+1 day
1:00 pm — 2:44 pm UA1564 United Airlines
Boston — Chicago
1h 21m stop
4:05 pm — 5:55 am UA958 United Airlines
Chicago — London
11h 55m
including layover
Find flight
from$739
3:50 pm — 6:30 am
+1 day
3:50 pm — 5:07 pm UA8363 United Airlines
Boston — Montreal
1h 38m stop
6:45 pm — 6:30 am UA8296 United Airlines
Montreal — London
9h 40m
including layover
Find flight
from$730
4:37 pm — 10:50 am
+1 day
4:37 pm — 6:29 pm UA599 United Airlines
Boston — Chicago
2h 36m stop
9:05 pm — 10:50 am DI7152 Norwegian UK
Chicago — London
13h 13m
including layover
Find flight
from$465
6:28 pm — 12:05 pm
+1 day
6:28 pm — 7:54 pm UA1202 United Airlines
Boston — Newark
4h 16m stop
0:10 am — 12:05 pm AI172 Air India
Newark — London
12h 37m
including layover
Find flight
from$650
2:36 pm — 1:15 pm
+1 day
2:36 pm — 4:00 pm UA1551 United Airlines
Boston — Newark
2h 55m stop
6:55 pm — 4:55 am WW104 WOW Air
Newark — Reykjavik
1h 25m stop
6:20 am — 10:05 am WW852 WOW Air
Reykjavik — London
17h 39m
including layover
Find flight
from$575
5:30 am — 6:55 am
+1 day
5:30 am — 6:43 am UA2077 United Airlines
Boston — Newark
47m stop
7:30 am — 10:27 am UA1913 United Airlines
Newark — Los Angeles
2h 8m stop
12:35 pm — 6:55 am DI7094 Norwegian UK
Los Angeles — London
20h 25m
including layover
Find flight
from$424
7:30 pm — 4:15 pm
+1 day
7:30 pm — 8:56 pm UA2047 United Airlines
Boston — Newark
1h 34m stop
10:30 pm — 8:10 am UA138 United Airlines
Newark — Reykjavik
3h 55m stop
12:05 pm — 4:15 pm WW826 WOW Air
Reykjavik — London
15h 45m
including layover
Find flight
from$577
8:00 am — 9:05 am
+1 day
8:00 am — 9:20 am UA251 United Airlines
Boston — Newark
2h 13m stop
11:33 am — 1:20 pm UA4479 United Airlines
Newark — Toronto
7h 40m stop
9:00 pm — 9:05 am TS122 Air Transat
Toronto — London
20h 5m
including layover
Find flight
from$313
9:00 am — 9:10 am
+1 day
9:00 am — 10:23 am UA8335 United Airlines
Boston — Ottawa
8h 22m stop
6:45 pm — 7:53 pm WS371 WestJet
Ottawa — Toronto
57m stop
8:50 pm — 9:10 am WS3 WestJet
Toronto — London
19h 10m
including layover
Find flight
from$312
*Departure and arrival times are local. Last updated on 11/28/2020

Flight Information

There are 93 flights by United Airlines from Boston to London every week with departures from Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail. All flights arrive at Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal.

Departures start from 10:15 am to 9:47 am. Nonstop flight is 8h 55m. The time difference between Boston and London is 5h.

  • The fastest flight 8h 55m
  • Average flight time 14h 40m
  • The earliest flight 10:15 am
  • The latest flight 9:47 am
  • Distance 3270 ml

The cheapest months for traveling to London are march (from 312 $), november (from 313 $), october (from 340 $).

The most expensive and popular months are september (from 803 $), october (from 340 $), november (from 313 $).

The cheapest flight by United Airlines that our users were able to find is $312. This airfare is economy class on one-way UA8335 flight for March 1, 2021 leaving Logan in Boston at 9:00 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 15 airline carriers between Boston and London. Please review schedules and prices from the most popular airlines to find the best airfare deals from Boston to London.

Nonstop flights

There are 25 direct flights every day from Boston. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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