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Cheap flights from the United States to London from $261

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 10/15. 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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Find the cheapest flights from the United States to London

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

Aer Lingus Logo
6:10 pm - 8:45 amBOS-SOU
10h 35m1 stop
Aer Lingus Logo
9:30 am - 6:55 pmSOU-BOS
14h 25m1 stop
$519Aer Lingus
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
10:05 am - 7:40 pmJFK-SOU
29h 35m3 stops
Multiple Airlines Logo
8:10 pm - 4:09 pmSOU-JFK
24h 59m2 stops
$519Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Delta Logo
7:10 pm - 8:10 amBOS-SOU
32h 00m1 stop
Delta Logo
5:30 pm - 1:20 pmSOU-BOS
24h 50m1 stop
$685Delta
Find Deal
Sun, Nov 23 - Tue, Dec 2
KLM Logo
5:30 pm - 8:45 amJFK-SOU
10h 15m1 stop
KLM Logo
8:40 am - 11:25 amSOU-JFK
31h 45m1 stop
$687KLM
Find Deal
Mon, Oct 20 - Mon, Nov 3
Delta Logo
9:59 am - 5:25 pmBOS-SOU
26h 26m2 stops
Delta Logo
5:30 pm - 1:20 pmSOU-BOS
24h 50m1 stop
$689Delta
Find Deal
Sun, Nov 23 - Tue, Dec 2
KLM Logo
11:59 am - 8:20 amEWR-SOU
16h 21m2 stops
KLM Logo
8:40 am - 11:10 pmSOU-EWR
19h 30m2 stops
$699KLM
Find Deal
Wed, Oct 29 - Wed, Nov 5
Virgin Atlantic Logo
1:05 pm - 8:05 amBOS-SOU
15h 00m2 stops
Virgin Atlantic Logo
8:50 am - 9:15 pmSOU-BOS
17h 25m2 stops
$720Virgin Atlantic
Find Deal
Thu, Oct 30 - Thu, Nov 6
Virgin Atlantic Logo
1:45 pm - 8:50 amLAX-SOU
35h 05m1 stop
Virgin Atlantic Logo
5:30 pm - 11:45 amSOU-LAX
26h 15m1 stop
$834Virgin Atlantic
Find Deal
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
5:45 pm - 11:55 amEWR-SOU
13h 10m1 stop
British Airways Logo
8:55 am - 7:35 pmSOU-EWR
15h 40m2 stops
$1,014British Airways
Find Deal
Tue, Jan 6 - Thu, Jan 8
British Airways Logo
5:30 pm - 8:40 amBOS-SOU
10h 10m1 stop
British Airways Logo
7:55 pm - 5:10 pmSOU-BOS
26h 15m2 stops
$1,198British Airways
Find Deal
Wed, Oct 15 - Thu, Oct 16

Virgin Atlantic flights from United States to Southampton

Our best Virgin Atlantic deals on United States to Southampton flight tickets
Virgin Atlantic
Oct 30
BOS1:05 pmBoston Logan Intl
15h 00m
2 stops
SOU8:05 amSouthampton Eastleigh
Nov 6
SOU8:50 amSouthampton Eastleigh
17h 25m
2 stops
BOS9:15 pmBoston Logan Intl
$720
Find similar
Virgin Atlantic
Feb 26
LAX1:45 pmLos Angeles
35h 05m
1 stop
SOU8:50 amSouthampton Eastleigh
Mar 2
SOU5:30 pmSouthampton Eastleigh
26h 15m
1 stop
LAX11:45 amLos Angeles
$834
Find similar
Virgin Atlantic
Feb 26
LAX6:00 amLos Angeles
18h 05m
2 stops
SOU8:05 amSouthampton Eastleigh
Mar 2
SOU5:30 pmSouthampton Eastleigh
26h 15m
1 stop
LAX11:45 amLos Angeles
$838
Find similar

Aer Lingus flights from United States to Southampton

Our best Aer Lingus deals on United States to Southampton flight tickets
Aer Lingus
Oct 30
BOS6:10 pmBoston Logan Intl
10h 35m
1 stop
SOU8:45 amSouthampton Eastleigh
Nov 6
SOU9:30 amSouthampton Eastleigh
14h 25m
1 stop
BOS6:55 pmBoston Logan Intl
$519
Find similar
Aer Lingus
Oct 20
JFK4:55 pmNew York John F Kennedy Intl
10h 20m
1 stop
SOU8:15 amSouthampton Eastleigh
Nov 4
SOU12:25 pmSouthampton Eastleigh
12h 00m
1 stop
JFK7:25 pmNew York John F Kennedy Intl
$552
Find similar
Aer Lingus
Dec 3
JFK5:00 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:45 amSouthampton Eastleigh
Dec 17
SOU12:25 pmSouthampton Eastleigh
12h 00m
1 stop
JFK7:25 pmNew York John F Kennedy Intl
$594
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 September 16, 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

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 10/30

6:10 pm-8:45 am

1 stop10h 35m

Southampton Eastleigh

Thu 11/6

9:30 am-6:55 pm

1 stop14h 25m

$519

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 10/30

10:05 am-7:40 pm

3 stops29h 35m

Southampton Eastleigh

Thu 11/6

8:10 pm-4:09 pm

2 stops24h 59m

$519

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 11/23

7:10 pm-8:10 am

1 stop32h 00m

Southampton Eastleigh

Tue 12/2

5:30 pm-1:20 pm

1 stop24h 50m

$685

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 10/20

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Mon 11/3

8:40 am-11:25 am

1 stop31h 45m

$687

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 11/23

9:59 am-5:25 pm

2 stops26h 26m

Southampton Eastleigh

Tue 12/2

5:30 pm-1:20 pm

1 stop24h 50m

$689

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 10/29

11:59 am-8:20 am

2 stops16h 21m

Southampton Eastleigh

Wed 11/5

8:40 am-11:10 pm

2 stops19h 30m

$699

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 10/30

1:05 pm-8:05 am

2 stops15h 00m

Southampton Eastleigh

Thu 11/6

8:50 am-9:15 pm

2 stops17h 25m

$720

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 2/26

1:45 pm-8:50 am

1 stop35h 05m

Southampton Eastleigh

Mon 3/2

5:30 pm-11:45 am

1 stop26h 15m

$834

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 1/6

5:45 pm-11:55 am

1 stop13h 10m

Southampton Eastleigh

Thu 1/8

8:55 am-7:35 pm

2 stops15h 40m

$1,014

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 10/15

5:30 pm-8:40 am

1 stop10h 10m

Southampton Eastleigh

Thu 10/16

7:55 pm-5:10 pm

2 stops26h 15m

$1,198

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 5% 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

Direct flights

None
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 $546Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Aer LingusPriceFrom $652Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
KLMPriceFrom $656Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Virgin AtlanticPriceFrom $817Free CancellationRating
7.4
664 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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