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Cheap flights from Boston to London from £274

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 22/10. 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.
Aer Lingus Logo
17:25 - 08:05
BOS
-
SOU
9h 40m
1 stop
Aer Lingus Logo
09:15 - 14:55
SOU
-
BOS
10h 40m
1 stop
£632Aer Lingus
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
17:25 - 10:15
BOS
-
SOU
11h 50m
2 stops
Multiple Airlines Logo
09:15 - 14:55
SOU
-
BOS
10h 40m
1 stop
£655Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
23:00 - 19:30
BOS
-
SOU
15h 30m
2 stops
Multiple Airlines Logo
07:50 - 18:50
SOU
-
BOS
16h 00m
2 stops
£740Multiple Airlines
Mon, 28 Sep - Sat, 3 Oct
Multiple Airlines Logo
10:50 - 16:50
BOS
-
SOU
25h 00m
2 stops
Multiple Airlines Logo
17:20 - 15:40
SOU
-
BOS
27h 20m
3 stops
£747Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Aer Lingus Logo
21:15 - 19:30
BOS
-
SOU
17h 15m
1 stop
Aer Lingus Logo
17:20 - 15:40
SOU
-
BOS
27h 20m
3 stops
£753Aer Lingus
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
23:00 - 19:30
BOS
-
SOU
15h 30m
2 stops
Multiple Airlines Logo
09:20 - 14:55
SOU
-
BOS
10h 35m
1 stop
£766Multiple Airlines
Mon, 28 Sep - Sat, 3 Oct
Multiple Airlines Logo
21:15 - 19:30
BOS
-
SOU
17h 15m
1 stop
Multiple Airlines Logo
09:20 - 14:55
SOU
-
BOS
10h 35m
1 stop
£776Multiple Airlines
Mon, 28 Sep - Sat, 3 Oct
Multiple Airlines Logo
14:45 - 13:40
BOS
-
SOU
17h 55m
3 stops
Multiple Airlines Logo
17:20 - 15:40
SOU
-
BOS
27h 20m
3 stops
£781Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Delta Logo
20:55 - 08:10
BOS
-
SOU
30h 15m
1 stop
Delta Logo
17:30 - 13:25
SOU
-
BOS
24h 55m
1 stop
£806Delta
Sun, 22 Nov - Mon, 30 Nov
Delta Logo
19:15 - 17:00
BOS
-
SOU
16h 45m
1 stop
Delta Logo
17:30 - 13:25
SOU
-
BOS
24h 55m
1 stop
£808Delta
Mon, 23 Nov - Mon, 30 Nov

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Aer Lingus flights from Boston to Southampton

Our best Aer Lingus deals on Boston to Southampton flight tickets
Aer Lingus
4 Aug
BOS17:25Boston Logan Intl
9h 40m
1 stop
SOU08:05Southampton Eastleigh
11 Aug
SOU09:15Southampton Eastleigh
10h 40m
1 stop
BOS14:55Boston Logan Intl
£632
Aer Lingus
4 Aug
BOS17:25Boston Logan Intl
9h 40m
1 stop
SOU08:05Southampton Eastleigh
11 Aug
SOU09:15Southampton Eastleigh
10h 40m
1 stop
BOS14:55Boston Logan Intl
£633
Aer Lingus
4 Aug
BOS21:15Boston Logan Intl
17h 15m
1 stop
SOU19:30Southampton Eastleigh
11 Aug
SOU17:20Southampton Eastleigh
27h 20m
3 stops
BOS15:40Boston Logan Intl
£753

Delta flights from Boston to Southampton

Our best Delta deals on Boston to Southampton flight tickets
Delta
22 Nov
BOS20:55Boston Logan Intl
30h 15m
1 stop
SOU08:10Southampton Eastleigh
30 Nov
SOU17:30Southampton Eastleigh
24h 55m
1 stop
BOS13:25Boston Logan Intl
£806
Delta
23 Nov
BOS19:15Boston Logan Intl
16h 45m
1 stop
SOU17:00Southampton Eastleigh
30 Nov
SOU17:30Southampton Eastleigh
24h 55m
1 stop
BOS13:25Boston Logan Intl
£808
Delta
13 Oct
BOS16:45Boston Logan Intl
11h 00m
1 stop
SOU08:45Southampton Eastleigh
19 Oct
SOU17:20Southampton Eastleigh
28h 16m
1 stop
BOS16:36Boston Logan Intl
£809

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 22 June 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

Tue 4/8

17:25-08:05

1 stop9h 40m

Southampton Eastleigh

Tue 11/8

09:15-14:55

1 stop10h 40m

£632

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 4/8

17:25-10:15

2 stops11h 50m

Southampton Eastleigh

Tue 11/8

09:15-14:55

1 stop10h 40m

£655

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 28/9

23:00-19:30

2 stops15h 30m

Southampton Eastleigh

Sat 3/10

07:50-18:50

2 stops16h 00m

£740

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 4/8

10:50-16:50

2 stops25h 00m

Southampton Eastleigh

Tue 11/8

17:20-15:40

3 stops27h 20m

£747

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 4/8

21:15-19:30

1 stop17h 15m

Southampton Eastleigh

Tue 11/8

17:20-15:40

3 stops27h 20m

£753

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 28/9

23:00-19:30

2 stops15h 30m

Southampton Eastleigh

Sat 3/10

09:20-14:55

1 stop10h 35m

£766

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 28/9

21:15-19:30

1 stop17h 15m

Southampton Eastleigh

Sat 3/10

09:20-14:55

1 stop10h 35m

£776

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 4/8

14:45-13:40

3 stops17h 55m

Southampton Eastleigh

Tue 11/8

17:20-15:40

3 stops27h 20m

£781

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 22/11

20:55-08:10

1 stop30h 15m

Southampton Eastleigh

Mon 30/11

17:30-13:25

1 stop24h 55m

£806

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 23/11

19:15-17:00

1 stop16h 45m

Southampton Eastleigh

Mon 30/11

17:30-13:25

1 stop24h 55m

£808

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 44% 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 40m

Direct flights

None
The fastest flight from Boston to Southampton takes 9h 40m
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 40m.

  • 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.
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