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Cheap flights from the United States 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 the United States to London departing on 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to London

Recent round-trip flight deals from the United States to London

Enter your travel dates to find the best prices.
Aer Lingus Logo
11:55 pm - 7:30 pm
JFK
-
SOU
14h 35m
1 stop
Aer Lingus Logo
9:10 am - 10:25 pm
SOU
-
JFK
18h 15m
1 stop
$613Aer Lingus
So, Mrz 29 - Di, Apr 14
Multiple Airlines Logo
8:25 pm - 7:30 pm
EWR
-
SOU
18h 05m
2 stops
Multiple Airlines Logo
9:10 am - 7:15 pm
SOU
-
EWR
15h 05m
2 stops
$615Multiple Airlines
So, Mrz 29 - Di, Apr 14
Multiple Airlines Logo
6:45 pm - 11:55 am
EWR
-
SOU
13h 10m
1 stop
Multiple Airlines Logo
5:40 pm - 5:15 pm
SOU
-
EWR
27h 35m
2 stops
$639Multiple Airlines
Mo, Mrz 9 - Mo, Mrz 23
Aer Lingus Logo
11:55 pm - 7:30 pm
JFK
-
SOU
14h 35m
1 stop
Aer Lingus Logo
9:10 am - 10:15 pm
SOU
-
JFK
18h 05m
1 stop
$648Aer Lingus
Fr, Apr 24 - Mo, Apr 27
Virgin Atlantic Logo
6:45 pm - 8:20 am
JFK
-
SOU
9h 35m
1 stop
Virgin Atlantic Logo
5:40 pm - 8:20 pm
SOU
-
JFK
30h 40m
1 stop
$675Virgin Atlantic
Mo, Mrz 9 - Mo, Mrz 23
Delta Logo
10:20 pm - 5:05 pm
JFK
-
SOU
14h 45m
1 stop
Delta Logo
5:20 pm - 12:25 pm
SOU
-
JFK
24h 05m
1 stop
$679Delta
So, Mrz 22 - Mo, Mrz 30
Virgin Atlantic Logo
6:45 pm - 8:20 am
JFK
-
SOU
9h 35m
1 stop
Virgin Atlantic Logo
5:40 pm - 9:29 pm
SOU
-
JFK
31h 49m
2 stops
$687Virgin Atlantic
Mo, Mrz 9 - Mo, Mrz 23
Delta Logo
6:45 pm - 8:20 am
JFK
-
SOU
9h 35m
1 stop
Delta Logo
9:05 am - 9:32 pm
SOU
-
JFK
17h 27m
2 stops
$690Delta
So, Mrz 22 - Di, Mrz 31
KLM Logo
2:45 pm - 8:20 am
LAX
-
SOU
34h 35m
1 stop
KLM Logo
8:50 am - 10:05 pm
SOU
-
LAX
20h 15m
2 stops
$766KLM
Mo, Mrz 9 - Di, Mrz 24
KLM Logo
9:25 am - 8:20 am
LAX
-
SOU
15h 55m
2 stops
KLM Logo
8:50 am - 10:05 pm
SOU
-
LAX
20h 15m
2 stops
$770KLM
Mo, Mrz 9 - Di, Mrz 24

Aer Lingus flights from United States to Southampton

Our best Aer Lingus deals on United States to Southampton flight tickets
Aer Lingus
Mar 29
JFK11:55 pmNew York John F Kennedy Intl
14h 35m
1 stop
SOU7:30 pmSouthampton Eastleigh
Apr 14
SOU9:10 amSouthampton Eastleigh
18h 15m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$613
Aer Lingus
Apr 24
JFK11:55 pmNew York John F Kennedy Intl
14h 35m
1 stop
SOU7:30 pmSouthampton Eastleigh
Apr 27
SOU9:10 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:15 pmNew York John F Kennedy Intl
$648
Aer Lingus
Mar 29
JFK4:55 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:40 amSouthampton Eastleigh
Apr 14
SOU9:10 amSouthampton Eastleigh
15h 10m
1 stop
JFK7:20 pmNew York John F Kennedy Intl
$655

Delta flights from United States to Southampton

Our best Delta deals on United States to Southampton flight tickets
Delta
Mar 22
JFK10:20 pmNew York John F Kennedy Intl
14h 45m
1 stop
SOU5:05 pmSouthampton Eastleigh
Mar 30
SOU5:20 pmSouthampton Eastleigh
24h 05m
1 stop
JFK12:25 pmNew York John F Kennedy Intl
$679
Delta
Mar 22
JFK6:45 pmNew York John F Kennedy Intl
9h 35m
1 stop
SOU8:20 amSouthampton Eastleigh
Mar 31
SOU9:05 amSouthampton Eastleigh
17h 27m
2 stops
JFK9:32 pmNew York John F Kennedy Intl
$690
Delta
Mar 22
JFK6:00 amNew York John F Kennedy Intl
31h 05m
2 stops
SOU5:05 pmSouthampton Eastleigh
Mar 30
SOU5:20 pmSouthampton Eastleigh
24h 05m
1 stop
JFK12:25 pmNew York John F Kennedy Intl
$695

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 Februar 11, 2026.
Use the filters below to find and compare flights from the United States to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

So 3/29

11:55 pm-7:30 pm

1 stop14h 35m

Southampton Eastleigh

Di 4/14

9:10 am-10:25 pm

1 stop18h 15m

$613

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

So 3/29

8:25 pm-7:30 pm

2 stops18h 05m

Southampton Eastleigh

Di 4/14

9:10 am-7:15 pm

2 stops15h 05m

$615

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Mo 3/9

6:45 pm-11:55 am

1 stop13h 10m

Southampton Eastleigh

Mo 3/23

5:40 pm-5:15 pm

2 stops27h 35m

$639

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fr 4/24

11:55 pm-7:30 pm

1 stop14h 35m

Southampton Eastleigh

Mo 4/27

9:10 am-10:15 pm

1 stop18h 05m

$648

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mo 3/9

6:45 pm-8:20 am

1 stop9h 35m

Southampton Eastleigh

Mo 3/23

5:40 pm-8:20 pm

1 stop30h 40m

$675

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

So 3/22

10:20 pm-5:05 pm

1 stop14h 45m

Southampton Eastleigh

Mo 3/30

5:20 pm-12:25 pm

1 stop24h 05m

$679

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mo 3/9

6:45 pm-8:20 am

1 stop9h 35m

Southampton Eastleigh

Mo 3/23

5:40 pm-9:29 pm

2 stops31h 49m

$687

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

So 3/22

6:45 pm-8:20 am

1 stop9h 35m

Southampton Eastleigh

Di 3/31

9:05 am-9:32 pm

2 stops17h 27m

$690

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mo 3/9

2:45 pm-8:20 am

1 stop34h 35m

Southampton Eastleigh

Di 3/24

8:50 am-10:05 pm

2 stops20h 15m

$766

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mo 3/9

9:25 am-8:20 am

2 stops15h 55m

Southampton Eastleigh

Di 3/24

8:50 am-10:05 pm

2 stops20h 15m

$770

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 United States 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 United States to Southampton Eastleigh?

Delta, Aer Lingus, and Air Europa are the most popular carriers operating from United States to Southampton Eastleigh

What airlines fly to Southampton?

British Airways, United Airlines and Delta are the top three most popular airlines that fly to Southampton from United States according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 25 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

Cheap United States to Southampton flight deals and tips

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

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from United States to Southampton takes 9h 30m
There are no direct flights from United States to Southampton. There are no popular flight routes from United States to Southampton.
Search flight deals

  • When did momondo last update prices for flights from United States to Southampton Eastleigh Airport?

    Prices for flights from United States to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Southampton Eastleigh Airport?

  • How old do you have to be to fly from United States 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 United States 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.

Best airlines flying from United States to Southampton

Compare and see reviews for airlines that fly from United States to Southampton with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $515Free CancellationRating
7.9
8,180 reviews
Search Delta flights
KLMPriceFrom $656Free CancellationRating
7.7
1,451 reviews
Search KLM flights
Aer LingusPriceFrom $691Free CancellationRating
7.2
1,447 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 United States to Southampton?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Southampton. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from United States to Southampton with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United States to Southampton?

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

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

Price alerts on flights to Southampton from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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