Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United States to London from $329

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 11/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
4:55 pm - 8:40 am
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$806Aer Lingus
Mon, May 25 - Tue, Jun 9
Aer Lingus Logo
4:55 pm - 8:40 am
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$833Aer Lingus
Mon, May 25 - Tue, Jun 9
Multiple Airlines Logo
8:18 am - 7:30 pm
IAD
-
SOU
30h 12m
3 stops
Multiple Airlines Logo
3:35 pm - 11:11 am
SOU
-
IAD
24h 36m
3 stops
$894Multiple Airlines
Mon, Jun 1 - Wed, Jun 17
Multiple Airlines Logo
6:59 am - 5:45 pm
JFK
-
SOU
29h 46m
3 stops
Multiple Airlines Logo
8:00 pm - 8:05 pm
SOU
-
JFK
29h 05m
2 stops
$911Multiple Airlines
Mon, May 25 - Tue, Jun 9
Aer Lingus Logo
5:25 pm - 8:40 am
BOS
-
SOU
10h 15m
1 stop
Aer Lingus Logo
9:20 am - 6:50 pm
SOU
-
BOS
14h 30m
1 stop
$911Aer Lingus
Fri, Aug 14 - Wed, Aug 26
Delta Logo
1:45 pm - 8:35 am
SFO
-
SOU
34h 50m
1 stop
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$999Delta
Sun, Oct 11 - Wed, Oct 21
KLM Logo
7:00 am - 8:45 am
SFO
-
SOU
17h 45m
2 stops
KLM Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$1,003KLM
Tue, Aug 25 - Mon, Sep 7
Delta Logo
6:06 am - 8:45 am
SFO
-
SOU
18h 39m
2 stops
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$1,004Delta
Tue, Aug 25 - Mon, Sep 7
KLM Logo
4:50 pm - 4:50 pm
ORD
-
SOU
18h 00m
1 stop
KLM Logo
5:20 pm - 2:15 pm
SOU
-
ORD
26h 55m
1 stop
$1,011KLM
Mon, Sep 7 - Mon, Sep 21
Virgin Atlantic Logo
6:10 pm - 5:35 pm
IAD
-
SOU
18h 25m
1 stop
Virgin Atlantic Logo
9:15 am - 3:35 pm
SOU
-
IAD
11h 20m
1 stop
$1,104Virgin Atlantic
Mon, Aug 10 - Tue, Aug 25

Aer Lingus flights from United States to Southampton

Our best Aer Lingus deals on United States to Southampton flight tickets
Aer Lingus
May 25
JFK4:55 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:40 amSouthampton Eastleigh
Jun 9
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$806
Aer Lingus
May 25
JFK4:55 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:40 amSouthampton Eastleigh
Jun 9
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$833
Aer Lingus
Aug 14
BOS5:25 pmBoston Logan Intl
10h 15m
1 stop
SOU8:40 amSouthampton Eastleigh
Aug 26
SOU9:20 amSouthampton Eastleigh
14h 30m
1 stop
BOS6:50 pmBoston Logan Intl
$911

Delta flights from United States to Southampton

Our best Delta deals on United States to Southampton flight tickets
Delta
Oct 11
SFO1:45 pmSan Francisco
34h 50m
1 stop
SOU8:35 amSouthampton Eastleigh
Oct 21
SOU5:20 pmSouthampton Eastleigh
26h 25m
1 stop
SFO11:45 amSan Francisco
$999
Delta
Aug 25
SFO6:06 amSan Francisco
18h 39m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 7
SOU5:20 pmSouthampton Eastleigh
26h 25m
1 stop
SFO11:45 amSan Francisco
$1,004
Delta
Sep 6
SFO1:45 pmSan Francisco
19h 05m
1 stop
SOU4:50 pmSouthampton Eastleigh
Sep 25
SOU9:05 amSouthampton Eastleigh
20h 30m
2 stops
SFO9:35 pmSan Francisco
$1,009

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 May 13, 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 round-trip

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/25

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Tue 6/9

9:20 am-10:25 pm

1 stop18h 05m

$806

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/25

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Tue 6/9

9:20 am-10:25 pm

1 stop18h 05m

$833

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 6/1

8:18 am-7:30 pm

3 stops30h 12m

Southampton Eastleigh

Wed 6/17

3:35 pm-11:11 am

3 stops24h 36m

$894

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/25

6:59 am-5:45 pm

3 stops29h 46m

Southampton Eastleigh

Tue 6/9

8:00 pm-8:05 pm

2 stops29h 05m

$911
Quickest round-trip

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 8/14

5:25 pm-8:40 am

1 stop10h 15m

Southampton Eastleigh

Wed 8/26

9:20 am-6:50 pm

1 stop14h 30m

$911

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 10/11

1:45 pm-8:35 am

1 stop34h 50m

Southampton Eastleigh

Wed 10/21

5:20 pm-11:45 am

1 stop26h 25m

$999

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 8/25

7:00 am-8:45 am

2 stops17h 45m

Southampton Eastleigh

Mon 9/7

5:20 pm-11:45 am

1 stop26h 25m

$1,003

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 8/25

6:06 am-8:45 am

2 stops18h 39m

Southampton Eastleigh

Mon 9/7

5:20 pm-11:45 am

1 stop26h 25m

$1,004

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/7

4:50 pm-4:50 pm

1 stop18h 00m

Southampton Eastleigh

Mon 9/21

5:20 pm-2:15 pm

1 stop26h 55m

$1,011

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 8/10

6:10 pm-5:35 pm

1 stop18h 25m

Southampton Eastleigh

Tue 8/25

9:15 am-3:35 pm

1 stop11h 20m

$1,104

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

If you don’t want to visit Southampton in December, then you should wait until November to fly from United States, when ticket prices are also cheap, with an average price of $0.

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

You could potentially save up to 15% 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

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 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
Aer LingusPriceFrom $618Free CancellationRating
7.3
1,558 reviews
Search Aer Lingus flights
DeltaPriceFrom $781Free CancellationRating
7.9
8,453 reviews
Search Delta flights
KLMPriceFrom $814Free CancellationRating
7.8
1,517 reviews
Search KLM 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.

An easier way to manage your Southampton trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/12
Fri 6/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom