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Cheap flights from the United States to London from $241

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 2/8. 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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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
5:45 pm - 8:45 am
EWR
-
SOU
10h 00m1 stop
Aer Lingus Logo
9:30 am - 4:15 pm
SOU
-
EWR
11h 45m1 stop
$582Aer Lingus
Thu, Feb 5 - Thu, Feb 12
Aer Lingus Logo
9:15 pm - 7:40 pm
BOS
-
SOU
17h 25m1 stop
Aer Lingus Logo
9:30 am - 6:59 pm
SOU
-
BOS
14h 29m1 stop
$608Aer Lingus
Thu, Feb 5 - Thu, Feb 12
Virgin Atlantic Logo
5:45 pm - 8:25 am
JFK
-
SOU
9h 40m1 stop
Virgin Atlantic Logo
9:25 am - 3:45 pm
SOU
-
JFK
11h 20m1 stop
$642Virgin Atlantic
Wed, Feb 4 - Wed, Feb 11
Delta Logo
5:45 pm - 8:25 am
JFK
-
SOU
9h 40m1 stop
Delta Logo
5:35 pm - 11:29 am
SOU
-
JFK
22h 54m1 stop
$672Delta
Wed, Feb 18 - Mon, Feb 23
KLM Logo
8:50 pm - 8:25 am
BOS
-
SOU
30h 35m1 stop
KLM Logo
5:35 pm - 1:25 pm
SOU
-
BOS
24h 50m1 stop
$672KLM
Wed, Feb 4 - Wed, Feb 11
Delta Logo
7:00 pm - 5:05 pm
JFK
-
SOU
17h 05m2 stops
Delta Logo
9:25 am - 3:45 pm
SOU
-
JFK
11h 20m1 stop
$676Delta
Wed, Feb 4 - Wed, Feb 11
KLM Logo
1:00 pm - 8:25 am
BOS
-
SOU
14h 25m2 stops
KLM Logo
5:35 pm - 1:25 pm
SOU
-
BOS
24h 50m1 stop
$676KLM
Wed, Feb 4 - Wed, Feb 11
Virgin Atlantic Logo
12:58 pm - 8:25 am
JFK
-
SOU
14h 27m2 stops
Virgin Atlantic Logo
9:00 am - 3:45 pm
SOU
-
JFK
11h 45m1 stop
$726Virgin Atlantic
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
7:50 pm - 5:20 pm
BOS
-
SOU
16h 30m2 stops
Multiple Airlines Logo
12:00 pm - 8:10 pm
SOU
-
BOS
37h 10m3 stops
$778Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
5:45 pm - 8:45 am
EWR
-
SOU
10h 00m1 stop
Multiple Airlines Logo
8:10 pm - 1:35 pm
SOU
-
EWR
46h 25m2 stops
$801Multiple Airlines
Thu, Feb 5 - Thu, Feb 12

KLM flights from United States to Southampton

Our best KLM deals on United States to Southampton flight tickets
KLM
Feb 4
BOS8:50 pmBoston Logan Intl
30h 35m
1 stop
SOU8:25 amSouthampton Eastleigh
Feb 11
SOU5:35 pmSouthampton Eastleigh
24h 50m
1 stop
BOS1:25 pmBoston Logan Intl
$672
Find similar
KLM
Feb 4
BOS1:00 pmBoston Logan Intl
14h 25m
2 stops
SOU8:25 amSouthampton Eastleigh
Feb 11
SOU5:35 pmSouthampton Eastleigh
24h 50m
1 stop
BOS1:25 pmBoston Logan Intl
$676
Find similar
KLM
Feb 4
BOS12:55 pmBoston Logan Intl
14h 30m
2 stops
SOU8:25 amSouthampton Eastleigh
Feb 11
SOU5:35 pmSouthampton Eastleigh
26h 40m
2 stops
BOS3:15 pmBoston Logan Intl
$687
Find similar

Delta flights from United States to Southampton

Our best Delta deals on United States to Southampton flight tickets
Delta
Feb 18
JFK5:45 pmNew York John F Kennedy Intl
9h 40m
1 stop
SOU8:25 amSouthampton Eastleigh
Feb 23
SOU5:35 pmSouthampton Eastleigh
22h 54m
1 stop
JFK11:29 amNew York John F Kennedy Intl
$672
Find similar
Delta
Feb 4
JFK7:00 pmNew York John F Kennedy Intl
17h 05m
2 stops
SOU5:05 pmSouthampton Eastleigh
Feb 11
SOU9:25 amSouthampton Eastleigh
11h 20m
1 stop
JFK3:45 pmNew York John F Kennedy Intl
$676
Find similar
Delta
Feb 4
JFK11:20 amNew York John F Kennedy Intl
16h 05m
2 stops
SOU8:25 amSouthampton Eastleigh
Feb 11
SOU9:25 amSouthampton Eastleigh
17h 40m
2 stops
JFK10:05 pmNew York John F Kennedy Intl
$687
Find similar

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 December 23, 2025.
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

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 2/5

5:45 pm-8:45 am

1 stop10h 00m

Southampton Eastleigh

Thu 2/12

9:30 am-4:15 pm

1 stop11h 45m

$582

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 2/5

9:15 pm-7:40 pm

1 stop17h 25m

Southampton Eastleigh

Thu 2/12

9:30 am-6:59 pm

1 stop14h 29m

$608

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 2/4

5:45 pm-8:25 am

1 stop9h 40m

Southampton Eastleigh

Wed 2/11

9:25 am-3:45 pm

1 stop11h 20m

$642

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 2/18

5:45 pm-8:25 am

1 stop9h 40m

Southampton Eastleigh

Mon 2/23

5:35 pm-11:29 am

1 stop22h 54m

$672

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 2/4

8:50 pm-8:25 am

1 stop30h 35m

Southampton Eastleigh

Wed 2/11

5:35 pm-1:25 pm

1 stop24h 50m

$672

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 2/4

7:00 pm-5:05 pm

2 stops17h 05m

Southampton Eastleigh

Wed 2/11

9:25 am-3:45 pm

1 stop11h 20m

$676

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 2/4

1:00 pm-8:25 am

2 stops14h 25m

Southampton Eastleigh

Wed 2/11

5:35 pm-1:25 pm

1 stop24h 50m

$676

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 2/5

12:58 pm-8:25 am

2 stops14h 27m

Southampton Eastleigh

Thu 2/12

9:00 am-3:45 pm

1 stop11h 45m

$726

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 2/4

7:50 pm-5:20 pm

2 stops16h 30m

Southampton Eastleigh

Wed 2/11

12:00 pm-8:10 pm

3 stops37h 10m

$778

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 2/5

5:45 pm-8:45 am

1 stop10h 00m

Southampton Eastleigh

Thu 2/12

8:10 pm-1:35 pm

2 stops46h 25m

$801

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 day to depart on your flight to Southampton?

On average, the least expensive day to fly to Southampton from United States is on a Monday. momondo users have found tickets for Monday departures for as low as $772. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from United States to Southampton for around $1,107.

What is the cheapest time of day to depart on your flight to Southampton?

Flying to Southampton from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $806 when looking at flights departing in the morning. Flights to Southampton are more costly in the afternoon, with an average ticket price of $980. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on United States to Southampton flights?

You could potentially save up to 32% on your flight if you consider stops on a United States to Southampton flight.

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 25m

Direct flights

None
The fastest flight from United States to Southampton takes 9h 25m
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
8,014 reviews
Search Delta flights
KLMPriceFrom $656Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Aer LingusPriceFrom $669Free CancellationRating
7.2
1,410 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom $802Free CancellationRating
7.5
677 reviews
Search Virgin Atlantic 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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