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Cheap flights from Boston to London from $262

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 3/24. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:45 am - 2:50 pm
BOS
-
SEN
23h 05m
2 stops
Multiple Airlines Logo
7:15 am - 10:37 pm
SEN
-
BOS
20h 22m
2 stops
$601Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
11:35 am - 5:15 pm
BOS
-
SEN
24h 40m
2 stops
Multiple Airlines Logo
7:35 am - 6:50 pm
SEN
-
BOS
15h 15m
2 stops
$637Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
4:25 pm - 12:50 pm
BOS
-
SEN
15h 25m
2 stops
Multiple Airlines Logo
7:10 am - 7:12 pm
SEN
-
BOS
16h 02m
2 stops
$641Multiple Airlines
Thu, Mar 5 - Wed, Mar 11
Multiple Airlines Logo
10:40 pm - 7:45 pm
BOS
-
SEN
16h 05m
1 stop
Multiple Airlines Logo
6:50 am - 8:55 pm
SEN
-
BOS
19h 05m
1 stop
$663Multiple Airlines
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
4:40 pm - 5:15 pm
BOS
-
SEN
19h 35m
2 stops
Multiple Airlines Logo
7:35 am - 10:37 pm
SEN
-
BOS
19h 02m
2 stops
$665Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
5:25 pm - 11:25 am
BOS
-
SEN
14h 00m
2 stops
Multiple Airlines Logo
7:20 am - 3:05 pm
SEN
-
BOS
35h 45m
2 stops
$703Multiple Airlines
Sun, Mar 15 - Mon, Mar 23
Multiple Airlines Logo
11:40 pm - 7:45 pm
BOS
-
SEN
16h 05m
1 stop
Multiple Airlines Logo
6:50 am - 9:55 pm
SEN
-
BOS
19h 05m
1 stop
$757Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Multiple Airlines Logo
7:30 pm - 10:00 am
BOS
-
SEN
10h 30m
1 stop
Multiple Airlines Logo
6:50 am - 9:55 pm
SEN
-
BOS
19h 05m
1 stop
$759Multiple Airlines
Tue, Mar 17 - Thu, Mar 19
Multiple Airlines Logo
6:30 pm - 10:30 am
BOS
-
SEN
11h 00m
1 stop
Multiple Airlines Logo
7:15 am - 5:20 pm
SEN
-
BOS
14h 05m
1 stop
$762Multiple Airlines
Sun, Mar 1 - Mon, Mar 9
Multiple Airlines Logo
10:15 am - 10:30 am
BOS
-
SEN
20h 15m
2 stops
Multiple Airlines Logo
7:10 am - 6:02 pm
SEN
-
BOS
14h 52m
2 stops
$766Multiple Airlines
Sun, Mar 22 - Wed, Mar 25

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 24, 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

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 3/1

10:45 am-2:50 pm

2 stops23h 05m

London Southend

Sat 3/7

7:15 am-10:37 pm

2 stops20h 22m

$601

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Wed 3/4

11:35 am-5:15 pm

2 stops24h 40m

London Southend

Tue 3/10

7:35 am-6:50 pm

2 stops15h 15m

$637

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Thu 3/5

4:25 pm-12:50 pm

2 stops15h 25m

London Southend

Wed 3/11

7:10 am-7:12 pm

2 stops16h 02m

$641

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Mon 3/2

10:40 pm-7:45 pm

1 stop16h 05m

London Southend

Thu 3/5

6:50 am-8:55 pm

1 stop19h 05m

$663

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Wed 3/4

4:40 pm-5:15 pm

2 stops19h 35m

London Southend

Tue 3/10

7:35 am-10:37 pm

2 stops19h 02m

$665

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 3/15

5:25 pm-11:25 am

2 stops14h 00m

London Southend

Mon 3/23

7:20 am-3:05 pm

2 stops35h 45m

$703

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Mon 3/9

11:40 pm-7:45 pm

1 stop16h 05m

London Southend

Thu 3/12

6:50 am-9:55 pm

1 stop19h 05m

$757

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Tue 3/17

7:30 pm-10:00 am

1 stop10h 30m

London Southend

Thu 3/19

6:50 am-9:55 pm

1 stop19h 05m

$759

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 3/1

6:30 pm-10:30 am

1 stop11h 00m

London Southend

Mon 3/9

7:15 am-5:20 pm

1 stop14h 05m

$762

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 3/22

10:15 am-10:30 am

2 stops20h 15m

London Southend

Wed 3/25

7:10 am-6:02 pm

2 stops14h 52m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 round-trip 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

11h 08m

Direct flights

None
The fastest flight from Boston to London Southend Airport takes 11h 08m
There are no direct flights from Boston to London Southend Airport. There are no popular flight routes from Boston to London Southend Airport.
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  • How far is Boston Logan Intl to London Southend by plane?

    London Southend is 3300.8 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 11h 08m.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to London Southend Airport.

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

    The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 day to fly round-trip for 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Brentwood
Croydon
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

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

It is quick and easy to find Boston to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

momondo does allow users to show only those flights to London from Boston which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Boston to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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