Cheap flights from Boston to London from £231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to London departing on 27/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Boston to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:40 - 19:35
BOS
-
SEN
20h 55m
2 stops
Multiple Airlines Logo
16:55 - 15:35
SEN
-
BOS
27h 40m
2 stops
£652Multiple Airlines
Thu, 8 Oct - Mon, 19 Oct
Multiple Airlines Logo
19:50 - 22:20
BOS
-
SEN
21h 30m
2 stops
Multiple Airlines Logo
17:20 - 14:40
SEN
-
BOS
26h 20m
2 stops
£690Multiple Airlines
Sat, 26 Dec - Thu, 7 Jan
Multiple Airlines Logo
10:40 - 22:20
BOS
-
SEN
30h 40m
3 stops
Multiple Airlines Logo
07:00 - 19:55
SEN
-
BOS
17h 55m
2 stops
£703Multiple Airlines
Tue, 28 Jul - Tue, 4 Aug
Multiple Airlines Logo
15:35 - 10:45
BOS
-
SEN
14h 10m
2 stops
Multiple Airlines Logo
11:10 - 19:55
SEN
-
BOS
13h 45m
2 stops
£710Multiple Airlines
Thu, 6 Aug - Mon, 10 Aug
Multiple Airlines Logo
22:55 - 21:50
BOS
-
SEN
17h 55m
1 stop
Multiple Airlines Logo
06:30 - 19:50
SEN
-
BOS
18h 20m
2 stops
£725Multiple Airlines
Wed, 19 Aug - Tue, 25 Aug
Multiple Airlines Logo
15:35 - 10:45
BOS
-
SEN
14h 10m
2 stops
Multiple Airlines Logo
07:35 - 21:27
SEN
-
BOS
18h 52m
3 stops
£771Multiple Airlines
Thu, 6 Aug - Sun, 16 Aug
Multiple Airlines Logo
15:35 - 11:45
BOS
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
11:20 - 19:55
SEN
-
BOS
13h 35m
2 stops
£789Multiple Airlines
Tue, 14 Jul - Fri, 17 Jul
Multiple Airlines Logo
17:10 - 11:45
BOS
-
SEN
13h 35m
1 stop
Multiple Airlines Logo
07:00 - 20:20
SEN
-
BOS
18h 20m
2 stops
£849Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
17:10 - 11:45
BOS
-
SEN
13h 35m
1 stop
Multiple Airlines Logo
06:30 - 17:41
SEN
-
BOS
16h 11m
1 stop
£1,026Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
18:00 - 14:50
BOS
-
SEN
15h 50m
2 stops
Multiple Airlines Logo
07:15 - 15:47
SEN
-
BOS
13h 32m
1 stop
£1,174Multiple Airlines
Sun, 1 Nov - Sat, 7 Nov

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momondo Fare Finder

 
Customise your flight search to find flights from Boston to London Southend Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 2 July 2026.
Use the filters below to find and compare flights from Boston to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Thu 8/10

17:40-19:35

2 stops20h 55m

London Southend

Mon 19/10

16:55-15:35

2 stops27h 40m

£652

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sat 26/12

19:50-22:20

2 stops21h 30m

London Southend

Thu 7/1

17:20-14:40

2 stops26h 20m

£690

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Tue 28/7

10:40-22:20

3 stops30h 40m

London Southend

Tue 4/8

07:00-19:55

2 stops17h 55m

£703
Fastest return journey

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Thu 6/8

15:35-10:45

2 stops14h 10m

London Southend

Mon 10/8

11:10-19:55

2 stops13h 45m

£710

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Wed 19/8

22:55-21:50

1 stop17h 55m

London Southend

Tue 25/8

06:30-19:50

2 stops18h 20m

£725

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Thu 6/8

15:35-10:45

2 stops14h 10m

London Southend

Sun 16/8

07:35-21:27

3 stops18h 52m

£771

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Tue 14/7

15:35-11:45

2 stops15h 10m

London Southend

Fri 17/7

11:20-19:55

2 stops13h 35m

£789

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Tue 11/8

17:10-11:45

1 stop13h 35m

London Southend

Tue 18/8

07:00-20:20

2 stops18h 20m

£849

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Tue 11/8

17:10-11:45

1 stop13h 35m

London Southend

Tue 18/8

06:30-17:41

1 stop16h 11m

£1,026

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 1/11

18:00-14:50

2 stops15h 50m

London Southend

Sat 7/11

07:15-15:47

1 stop13h 32m

£1,174

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Boston to London Southend Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to London Southend Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to London Southend Airport (BOS to SEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to London Southend Airport

Fastest flight time

10h 40m

Direct flights

None
The fastest flight from Boston to London Southend Airport takes 10h 40m
There are no direct flights from Boston to London Southend Airport. There are no popular flight routes from Boston to London Southend Airport.

Frequently asked questions about flying from Boston to London Southend Airport

  • How far is Boston Logan Intl to London Southend by plane?

    The straight-line distance from Boston Logan Intl to London Southend is 3300.8 mi. 10h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to London Southend Airport?

    Prices for flights from Boston Logan Intl Airport to London Southend Airport are updated daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to London Southend Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to London Southend Airport.

  • What documentation or ID do you need to fly to London Southend Airport?

    The required travel and health documents for your London Southend Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Boston to London Southend Airport

  • How do I get Price Alerts for flights from Boston to London Southend Airport?

    Search flight deals from Boston to London Southend Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Boston to London Southend Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Maidstone
Ipswich
Ilford
Canterbury
Folkestone
Guildford
Hayes
Chichester
Hastings
Bedford
Colchester
Harlow
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Boston to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Boston.

Can I find flights from Boston to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to London?

momondo provides multiple filters to help you find the best flight to London from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Boston and alert you when they change.

An easier way to manage your London Southend Airport trip

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