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Cheap flights from Boston to London from £311

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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
17:25 - 08:40
BOS
-
SOU
10h 15m
1 stop
Aer Lingus Logo
09:20 - 18:50
SOU
-
BOS
14h 30m
1 stop
£672Aer Lingus
Fri, 14 Aug - Wed, 26 Aug
Multiple Airlines Logo
17:00 - 19:30
BOS
-
SOU
21h 30m
2 stops
Multiple Airlines Logo
20:00 - 16:08
SOU
-
BOS
25h 08m
2 stops
£739Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
10:45 - 19:30
BOS
-
SOU
27h 45m
2 stops
Multiple Airlines Logo
09:20 - 09:45
SOU
-
BOS
29h 25m
3 stops
£757Multiple Airlines
Sun, 7 Jun - Sat, 13 Jun
Multiple Airlines Logo
05:50 - 16:50
BOS
-
SOU
30h 00m
3 stops
Multiple Airlines Logo
09:20 - 09:45
SOU
-
BOS
29h 25m
3 stops
£764Multiple Airlines
Sun, 7 Jun - Sat, 13 Jun
KLM Logo
16:45 - 08:35
BOS
-
SOU
10h 50m
1 stop
KLM Logo
09:15 - 13:15
SOU
-
BOS
33h 00m
1 stop
£765KLM
Tue, 6 Oct - Sun, 18 Oct
KLM Logo
18:55 - 16:50
BOS
-
SOU
16h 55m
1 stop
KLM Logo
09:15 - 16:36
SOU
-
BOS
12h 21m
1 stop
£765KLM
Tue, 6 Oct - Sun, 18 Oct
KLM Logo
13:10 - 08:35
BOS
-
SOU
14h 25m
2 stops
KLM Logo
09:15 - 16:36
SOU
-
BOS
12h 21m
1 stop
£768KLM
Tue, 6 Oct - Sun, 18 Oct
Multiple Airlines Logo
10:45 - 19:30
BOS
-
SOU
27h 45m
2 stops
Multiple Airlines Logo
09:20 - 22:39
SOU
-
BOS
18h 19m
2 stops
£771Multiple Airlines
Sun, 7 Jun - Sat, 13 Jun
Delta Logo
16:45 - 08:45
BOS
-
SOU
11h 00m
1 stop
Delta Logo
17:30 - 23:08
SOU
-
BOS
34h 38m
2 stops
£776Delta
Fri, 14 Aug - Sun, 23 Aug
Delta Logo
09:05 - 08:45
BOS
-
SOU
18h 40m
2 stops
Delta Logo
09:15 - 23:08
SOU
-
BOS
18h 53m
2 stops
£777Delta
Fri, 14 Aug - Wed, 26 Aug

Aer Lingus flights from Boston to Southampton

Our best Aer Lingus deals on Boston to Southampton flight tickets
Aer Lingus
14 Aug
BOS17:25Boston Logan Intl
10h 15m
1 stop
SOU08:40Southampton Eastleigh
26 Aug
SOU09:20Southampton Eastleigh
14h 30m
1 stop
BOS18:50Boston Logan Intl
£672
Aer Lingus
6 Oct
BOS09:30Boston Logan Intl
17h 35m
2 stops
SOU08:05Southampton Eastleigh
18 Oct
SOU20:00Southampton Eastleigh
26h 01m
2 stops
BOS17:01Boston Logan Intl
£850
Aer Lingus
6 Oct
BOS13:00Boston Logan Intl
14h 05m
2 stops
SOU08:05Southampton Eastleigh
18 Oct
SOU09:20Southampton Eastleigh
27h 37m
2 stops
BOS07:57Boston Logan Intl
£851

Delta flights from Boston to Southampton

Our best Delta deals on Boston to Southampton flight tickets
Delta
14 Aug
BOS16:45Boston Logan Intl
11h 00m
1 stop
SOU08:45Southampton Eastleigh
23 Aug
SOU17:30Southampton Eastleigh
34h 38m
2 stops
BOS23:08Boston Logan Intl
£776
Delta
14 Aug
BOS09:05Boston Logan Intl
18h 40m
2 stops
SOU08:45Southampton Eastleigh
26 Aug
SOU09:15Southampton Eastleigh
18h 53m
2 stops
BOS23:08Boston Logan Intl
£777
Delta
15 Aug
BOS09:05Boston Logan Intl
18h 40m
2 stops
SOU08:45Southampton Eastleigh
21 Aug
SOU18:05Southampton Eastleigh
34h 54m
2 stops
BOS23:59Boston Logan Intl
£779

momondo Fare Finder

 
Customise your flight search to find flights from Boston to Southampton 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 13 May 2026.
Use the filters below to find and compare flights from Boston to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 14/8

17:25-08:40

1 stop10h 15m

Southampton Eastleigh

Wed 26/8

09:20-18:50

1 stop14h 30m

£672

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 11/6

17:00-19:30

2 stops21h 30m

Southampton Eastleigh

Thu 18/6

20:00-16:08

2 stops25h 08m

£739

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 7/6

10:45-19:30

2 stops27h 45m

Southampton Eastleigh

Sat 13/6

09:20-09:45

3 stops29h 25m

£757

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 7/6

05:50-16:50

3 stops30h 00m

Southampton Eastleigh

Sat 13/6

09:20-09:45

3 stops29h 25m

£764

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 6/10

16:45-08:35

1 stop10h 50m

Southampton Eastleigh

Sun 18/10

09:15-13:15

1 stop33h 00m

£765

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 6/10

18:55-16:50

1 stop16h 55m

Southampton Eastleigh

Sun 18/10

09:15-16:36

1 stop12h 21m

£765

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 6/10

13:10-08:35

2 stops14h 25m

Southampton Eastleigh

Sun 18/10

09:15-16:36

1 stop12h 21m

£768

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 7/6

10:45-19:30

2 stops27h 45m

Southampton Eastleigh

Sat 13/6

09:20-22:39

2 stops18h 19m

£771

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 14/8

16:45-08:45

1 stop11h 00m

Southampton Eastleigh

Sun 23/8

17:30-23:08

2 stops34h 38m

£776

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 14/8

09:05-08:45

2 stops18h 40m

Southampton Eastleigh

Wed 26/8

09:15-23:08

2 stops18h 53m

£777

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Boston to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Boston Logan Intl to Southampton Eastleigh?

Delta is the most popular carrier operating from Boston Logan Intl to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, Virgin Atlantic and JetBlue are the top three most popular airlines that fly to Southampton from Boston according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 9 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

When to book flights from Boston to Southampton

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

Cheap Boston to Southampton (BOS to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Southampton

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from Boston to Southampton takes 9h 50m
There are no direct flights from Boston to Southampton. There are no popular flight routes from Boston to Southampton.
Search flight deals

Frequently asked questions about flying from Boston to Southampton

  • How far is Boston Logan Intl to Southampton Eastleigh by plane?

    Southampton Eastleigh is 3229.1 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 9h 50m.

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

    Prices for flights from Boston Logan Intl Airport to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Southampton Eastleigh 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 Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Southampton. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Southampton 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 Southampton?

Once you have performed a search for Boston to Southampton flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Boston to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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