Southampton

$519+ Cheap flights from San Francisco (SFO) to Southampton (SOU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOU
Apr 16 — Apr 231
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Cheap flight deals from San Francisco to Southampton

Cheapest flights from San Francisco to Southampton
Explore the most affordable flight options available from San Francisco to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:45 pm
SFO
-
SOU
1 stop34h 50m
Delta
Thu 9/109:05 am
SOU
-
SFO
1 stop34h 40m
Delta
Deal found 3/15$899
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:45 pm
SFO
-
SOU
1 stop19h 05m
Delta
Mon 10/125:20 pm
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 3/13$900
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
SFO
-
SOU
2 stops25h 50m
Delta
Mon 9/145:20 pm
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 3/15$904
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 am
SFO
-
SOU
2 stops24h 40m
Delta
Mon 9/75:20 pm
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 3/12$909
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:45 pm
SFO
-
SOU
1 stop19h 05m
Delta
Wed 10/145:20 pm
SOU
-
SFO
2 stops30h 42m
Delta
Deal found 3/13$910
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:55 am
SFO
-
SOU
2 stops23h 55m
Delta
Fri 9/119:05 am
SOU
-
SFO
2 stops23h 51m
Delta
Deal found 3/15$913
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:35 am
SFO
-
SOU
2 stops21h 15m
Delta
Wed 10/145:20 pm
SOU
-
SFO
2 stops30h 42m
Delta
Deal found 3/13$914
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:45 pm
SFO
-
SOU
2 stops26h 00m
Delta
Tue 8/119:15 am
SOU
-
SFO
1 stop34h 30m
Delta
Deal found 3/13$940
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:40 am
SFO
-
SOU
2 stops27h 10m
Delta
Wed 4/85:20 pm
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 3/13$943
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:45 pm
SFO
-
SOU
1 stop34h 50m
Delta
Tue 9/155:20 pm
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 3/15$949
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:45 pm
SFO
-
SOU
1 stop19h 05m
Delta
Mon 10/125:20 pm
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 3/13$950

Find flight deals from San Francisco to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$910
(Delta)

One-way from

$519
(Delta)

Popular in

June

Cheapest in

February

Average price

$700
Provider with most accurate pricing for San Francisco-Southampton Eastleigh flight deals.
Provider most trusted by Cheapflights users for San Francisco-Southampton Eastleigh flights.
From San Francisco to Southampton Eastleigh
One-way flight from San Francisco to Southampton Eastleigh
Highest demand for flights based on searches. 17% potential increase in price ($163 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from San Francisco to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 4/1

1:00 pm-8:35 am

2 stops35h 35m

Southampton Eastleigh

Thu 4/9

9:05 am-10:36 pm

2 stops21h 31m

$962

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 4/2

1:00 pm-8:45 am

2 stops35h 45m

Southampton Eastleigh

Thu 4/9

9:05 am-12:02 am

2 stops22h 57m

$998

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 4/2

12:10 am-8:45 am

2 stops24h 35m

Southampton Eastleigh

Wed 4/8

5:20 pm-11:45 am

1 stop26h 25m

$1,029

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 7/18

2:25 pm-8:45 am

2 stops34h 20m

Southampton Eastleigh

Mon 8/17

6:05 pm-11:45 am

1 stop25h 40m

$1,042

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 4/5

10:31 am-8:35 am

2 stops38h 04m

Southampton Eastleigh

Sat 4/11

5:20 pm-11:09 pm

2 stops37h 49m

$1,203
Quickest round-trip

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 6/3

5:50 am-8:35 am

2 stops18h 45m

Southampton Eastleigh

Tue 6/16

9:05 am-7:55 pm

2 stops18h 50m

$1,206

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 3/30

5:50 am-8:35 am

2 stops18h 45m

Southampton Eastleigh

Sun 4/5

9:15 am-11:45 am

1 stop34h 30m

$1,207

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 3/28

2:55 pm-3:50 pm

2 stops41h 55m

Southampton Eastleigh

Sat 4/4

5:20 pm-7:28 pm

2 stops34h 08m

$1,211

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 6/2

11:55 am-4:50 pm

2 stops20h 55m

Southampton Eastleigh

Sun 6/14

5:20 pm-11:45 am

1 stop26h 25m

$1,215

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 5/27

1:35 pm-4:50 pm

2 stops19h 15m

Southampton Eastleigh

Sat 6/13

9:15 am-11:46 pm

2 stops22h 31m

$1,216

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from San Francisco to Southampton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Southampton in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Southampton

What is the cheapest month to book a flight from San Francisco to Southampton?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Southampton (average of $497). Flying from San Francisco to Southampton in June is currently the most expensive (average of $696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated March 17, 2026.
Read through reviews of airlines operating flights from San Francisco to Southampton, such as KLM and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from San Francisco to Southampton?

    For as low as $962, Delta can have you in Southampton from San Francisco in 35h 35m. Airlines will cover a distance of 5349 mi.

  • What are the cheapest airlines flying from San Francisco to Southampton round-trip?

    According to our current data, KLM ($814), and Aer Lingus ($923) offers the cheapest pricing from San Francisco to Southampton.

  • Can I find deals for flights from San Francisco to Southampton that include hotel bookings?

    Yes. In addition to deals on San Francisco to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Southampton.

  • Can I find deals for business class flights from San Francisco to Southampton?

    Yes. Cheapflights offers flight deals from San Francisco to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Southampton?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Southampton (average of $497). Flying from San Francisco to Southampton in June is currently the most expensive (average of $696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from San Francisco to Southampton

Discover the top 2 airlines that operate flights from San Francisco to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$814Average$1,090FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$923Average$1,107FlexibilityNo cancel feeOn-timeN/A

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