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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 21/10. 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

Find the cheapest flights from the United States to London

Recent return flight deals from the United States to London

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:20 - 12:50JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
37h 30m2 stops London Gatwick Glasgow Intl
Multiple Airlines Logo
09:15 - 22:25SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
18h 10m1 stop Dublin
£583Multiple Airlines
Sun, 13 Sep - Tue, 29 Sep
Aer Lingus Logo
16:55 - 16:50JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
18h 55m1 stop Dublin
Aer Lingus Logo
09:20 - 22:25SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
18h 05m1 stop Dublin
£594Aer Lingus
Mon, 14 Sep - Mon, 28 Sep
Aer Lingus Logo
16:55 - 16:50JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
18h 55m1 stop Dublin
Aer Lingus Logo
09:20 - 22:25SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
18h 05m1 stop Dublin
£595Aer Lingus
Mon, 14 Sep - Mon, 28 Sep
Multiple Airlines Logo
18:20 - 08:25JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
33h 05m2 stops London Gatwick Belfast Intl
Multiple Airlines Logo
09:20 - 22:25SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
18h 05m1 stop Dublin
£595Multiple Airlines
Sun, 13 Sep - Mon, 28 Sep
Multiple Airlines Logo
18:20 - 08:40JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
33h 20m2 stops London Gatwick Dublin
Multiple Airlines Logo
09:20 - 22:25SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
18h 05m1 stop Dublin
£601Multiple Airlines
Sun, 13 Sep - Mon, 28 Sep
Multiple Airlines Logo
23:10 - 16:50JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
12h 40m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:20 - 22:05SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
17h 45m2 stops Dublin Reykjavik Keflavik Intl
£605Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep
Multiple Airlines Logo
23:10 - 16:50JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
12h 40m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:20 - 19:20SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
15h 00m2 stops Dublin Reykjavik Keflavik Intl
£606Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep
Multiple Airlines Logo
16:55 - 16:50JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
18h 55m1 stop Dublin
Multiple Airlines Logo
19:20 - 20:05SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
29h 45m2 stops Barcelona-El Prat Lisbon Humberto Delgado
£610Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep
Aer Lingus Logo
17:25 - 08:35BOS  Boston Logan Intl-SOU Southampton Eastleigh
10h 10m1 stop Dublin
Aer Lingus Logo
09:20 - 18:50SOU  Southampton Eastleigh-BOS Boston Logan Intl
14h 30m1 stop Dublin
£617Aer Lingus
Sat, 12 Sep - Mon, 28 Sep
Multiple Airlines Logo
23:10 - 19:30JFK  New York John F Kennedy Intl-SOU Southampton Eastleigh
15h 20m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
17:20 - 22:05SOU  Southampton Eastleigh-JFK New York John F Kennedy Intl
33h 45m3 stops Amsterdam Schiphol Dublin Reykjavik Keflavik Intl
£619Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep

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Aer Lingus flights from United States to Southampton

Our best Aer Lingus deals on United States to Southampton flight tickets
Aer Lingus
14 Sept
JFK16:55New York John F Kennedy Intl
18h 55m
1 stop
SOU16:50Southampton Eastleigh
28 Sept
SOU09:20Southampton Eastleigh
18h 05m
1 stop
JFK22:25New York John F Kennedy Intl
£594
Aer Lingus
14 Sept
JFK16:55New York John F Kennedy Intl
18h 55m
1 stop
SOU16:50Southampton Eastleigh
28 Sept
SOU09:20Southampton Eastleigh
18h 05m
1 stop
JFK22:25New York John F Kennedy Intl
£595
Aer Lingus
12 Sept
BOS17:25Boston Logan Intl
10h 10m
1 stop
SOU08:35Southampton Eastleigh
28 Sept
SOU09:20Southampton Eastleigh
14h 30m
1 stop
BOS18:50Boston Logan Intl
£617

KLM flights from United States to Southampton

Our best KLM deals on United States to Southampton flight tickets
KLM
21 Sept
MCO11:23Orlando
16h 12m
2 stops
SOU08:35Southampton Eastleigh
28 Sept
SOU17:20Southampton Eastleigh
30h 00m
2 stops
MCO18:20Orlando
£787
KLM
9 Sept
MCO11:15Orlando
16h 20m
2 stops
SOU08:35Southampton Eastleigh
16 Sept
SOU09:15Southampton Eastleigh
19h 20m
2 stops
MCO23:35Orlando
£793
KLM
5 Sept
MIA16:55Miami
10h 50m
1 stop
SOU08:45Southampton Eastleigh
14 Sept
SOU09:05Southampton Eastleigh
34h 40m
1 stop
MIA14:45Miami
£817

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 10 August 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

Cheapest return flight

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Sun 13/9

18:20-12:50

2 stops37h 30m

Southampton Eastleigh

Tue 29/9

09:15-22:25

1 stop18h 10m

£583

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Mon 14/9

16:55-16:50

1 stop18h 55m

Southampton Eastleigh

Mon 28/9

09:20-22:25

1 stop18h 05m

£594

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Mon 14/9

16:55-16:50

1 stop18h 55m

Southampton Eastleigh

Mon 28/9

09:20-22:25

1 stop18h 05m

£595

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Sun 13/9

18:20-08:25

2 stops33h 05m

Southampton Eastleigh

Mon 28/9

09:20-22:25

1 stop18h 05m

£595

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Sun 13/9

18:20-08:40

2 stops33h 20m

Southampton Eastleigh

Mon 28/9

09:20-22:25

1 stop18h 05m

£601

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Mon 14/9

23:10-16:50

2 stops12h 40m

Southampton Eastleigh

Mon 28/9

09:20-22:05

2 stops17h 45m

£605

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Mon 14/9

23:10-16:50

2 stops12h 40m

Southampton Eastleigh

Mon 28/9

09:20-19:20

2 stops15h 00m

£606

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Mon 14/9

16:55-16:50

1 stop18h 55m

Southampton Eastleigh

Mon 28/9

19:20-20:05

2 stops29h 45m

£610
Fastest return journey

BostonSouthampton

BOS Boston Logan Intl - SOU Southampton Eastleigh

BOSSOU

Boston Logan Intl

Sat 12/9

17:25-08:35

1 stop10h 10m

Southampton Eastleigh

Mon 28/9

09:20-18:50

1 stop14h 30m

£617

New YorkSouthampton

JFK New York John F Kennedy Intl - SOU Southampton Eastleigh

JFKSOU

New York John F Kennedy Intl

Mon 14/9

23:10-19:30

2 stops15h 20m

Southampton Eastleigh

Mon 28/9

17:20-22:05

3 stops33h 45m

£619

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 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 month to fly to Southampton?

The month of December is, on average, the cheapest month to fly to Southampton from United States, with most prices found around £0. If you’re not able to fly to Southampton in December, then November is your next best option. Flight prices from United States to Southampton during November average around £0.

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

You could potentially save up to 13% 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 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

Frequently asked questions about flying from the United States to Southampton

  • 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 old do you have to be to fly from United States to Southampton Eastleigh Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States 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 United States to Southampton?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Southampton. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Southampton from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from United States and alert you when they change.

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