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Cheap flights from Boston to London from $363

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 10/22. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
5:25 pm - 8:05 am
BOS
-
SOU
9h 40m
1 stop
Aer Lingus Logo
9:15 am - 2:55 pm
SOU
-
BOS
10h 40m
1 stop
$837Aer Lingus
Tue, Aug 4 - Tue, Aug 11
Aer Lingus Logo
5:25 pm - 8:05 am
BOS
-
SOU
9h 40m
1 stop
Aer Lingus Logo
9:15 am - 2:55 pm
SOU
-
BOS
10h 40m
1 stop
$838Aer Lingus
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
5:25 pm - 10:15 am
BOS
-
SOU
11h 50m
2 stops
Multiple Airlines Logo
9:15 am - 2:55 pm
SOU
-
BOS
10h 40m
1 stop
$867Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
4:55 pm - 7:30 pm
BOS
-
SOU
21h 35m
2 stops
Multiple Airlines Logo
8:00 pm - 4:03 pm
SOU
-
BOS
25h 03m
2 stops
$870Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
5:25 pm - 10:15 am
BOS
-
SOU
11h 50m
2 stops
Multiple Airlines Logo
9:15 am - 2:55 pm
SOU
-
BOS
10h 40m
1 stop
$871Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
6:00 am - 8:45 pm
BOS
-
SOU
33h 45m
3 stops
Multiple Airlines Logo
8:00 pm - 4:03 pm
SOU
-
BOS
25h 03m
2 stops
$974Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
2:45 pm - 7:30 pm
BOS
-
SOU
23h 45m
3 stops
Multiple Airlines Logo
6:05 pm - 2:41 pm
SOU
-
BOS
25h 36m
3 stops
$978Multiple Airlines
Fri, Aug 7 - Fri, Aug 14
Multiple Airlines Logo
10:40 am - 7:30 pm
BOS
-
SOU
27h 50m
2 stops
Multiple Airlines Logo
6:05 pm - 2:41 pm
SOU
-
BOS
25h 36m
3 stops
$979Multiple Airlines
Fri, Aug 7 - Fri, Aug 14
Multiple Airlines Logo
10:50 am - 4:50 pm
BOS
-
SOU
25h 00m
2 stops
Multiple Airlines Logo
5:20 pm - 3:40 pm
SOU
-
BOS
27h 20m
3 stops
$988Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Aer Lingus Logo
9:15 pm - 7:30 pm
BOS
-
SOU
17h 15m
1 stop
Aer Lingus Logo
5:20 pm - 3:40 pm
SOU
-
BOS
27h 20m
3 stops
$997Aer Lingus
Tue, Aug 4 - Tue, Aug 11

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Aer Lingus flights from Boston to Southampton

Our best Aer Lingus deals on Boston to Southampton flight tickets
Aer Lingus
Aug 4
BOS5:25 pmBoston Logan Intl
9h 40m
1 stop
SOU8:05 amSouthampton Eastleigh
Aug 11
SOU9:15 amSouthampton Eastleigh
10h 40m
1 stop
BOS2:55 pmBoston Logan Intl
$837
Aer Lingus
Aug 4
BOS5:25 pmBoston Logan Intl
9h 40m
1 stop
SOU8:05 amSouthampton Eastleigh
Aug 11
SOU9:15 amSouthampton Eastleigh
10h 40m
1 stop
BOS2:55 pmBoston Logan Intl
$838
Aer Lingus
Aug 4
BOS9:15 pmBoston Logan Intl
17h 15m
1 stop
SOU7:30 pmSouthampton Eastleigh
Aug 11
SOU5:20 pmSouthampton Eastleigh
27h 20m
3 stops
BOS3:40 pmBoston Logan Intl
$997

Delta flights from Boston to Southampton

Our best Delta deals on Boston to Southampton flight tickets
Delta
Nov 22
BOS8:55 pmBoston Logan Intl
30h 15m
1 stop
SOU8:10 amSouthampton Eastleigh
Nov 30
SOU5:30 pmSouthampton Eastleigh
24h 55m
1 stop
BOS1:25 pmBoston Logan Intl
$1,067
Delta
Nov 23
BOS7:15 pmBoston Logan Intl
16h 45m
1 stop
SOU5:00 pmSouthampton Eastleigh
Nov 30
SOU5:30 pmSouthampton Eastleigh
24h 55m
1 stop
BOS1:25 pmBoston Logan Intl
$1,069
Delta
Oct 13
BOS4:45 pmBoston Logan Intl
11h 00m
1 stop
SOU8:45 amSouthampton Eastleigh
Oct 19
SOU5:20 pmSouthampton Eastleigh
28h 16m
1 stop
BOS4:36 pmBoston Logan Intl
$1,071

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 24, 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 round-trip
Quickest round-trip

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

5:25 pm-8:05 am

1 stop9h 40m

Southampton Eastleigh

Tue 8/11

9:15 am-2:55 pm

1 stop10h 40m

$837

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

5:25 pm-8:05 am

1 stop9h 40m

Southampton Eastleigh

Tue 8/11

9:15 am-2:55 pm

1 stop10h 40m

$838

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

5:25 pm-10:15 am

2 stops11h 50m

Southampton Eastleigh

Tue 8/11

9:15 am-2:55 pm

1 stop10h 40m

$867

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

4:55 pm-7:30 pm

2 stops21h 35m

Southampton Eastleigh

Tue 8/11

8:00 pm-4:03 pm

2 stops25h 03m

$870

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

5:25 pm-10:15 am

2 stops11h 50m

Southampton Eastleigh

Tue 8/11

9:15 am-2:55 pm

1 stop10h 40m

$871

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

6:00 am-8:45 pm

3 stops33h 45m

Southampton Eastleigh

Tue 8/11

8:00 pm-4:03 pm

2 stops25h 03m

$974

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 8/7

2:45 pm-7:30 pm

3 stops23h 45m

Southampton Eastleigh

Fri 8/14

6:05 pm-2:41 pm

3 stops25h 36m

$978

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 8/7

10:40 am-7:30 pm

2 stops27h 50m

Southampton Eastleigh

Fri 8/14

6:05 pm-2:41 pm

3 stops25h 36m

$979

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

10:50 am-4:50 pm

2 stops25h 00m

Southampton Eastleigh

Tue 8/11

5:20 pm-3:40 pm

3 stops27h 20m

$988

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 8/4

9:15 pm-7:30 pm

1 stop17h 15m

Southampton Eastleigh

Tue 8/11

5:20 pm-3:40 pm

3 stops27h 20m

$997

Flights are sorted by cheapest round-trip 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

What airlines fly to Southampton?

British Airways, American Airlines and Delta 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 48% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 16 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 round-trip 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?

    A flight from Boston Logan Intl to Southampton Eastleigh will travel around 3229.1 mi. Flights usually cover this in 9h 40m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Southampton Eastleigh Airport?

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

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

    The necessary travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Southampton?

Best airlines flying from Boston to Southampton

Compare and see reviews for airlines that fly from Boston to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $698Free CancellationRating
7.3
1,622 reviews
Search Aer Lingus flights

Traveling 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?

momondo provides multiple filters to help you find the best flight to Southampton 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 Southampton right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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