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$400+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOU
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap 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 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(Delta)

One-way from

$400
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$692
Provider with most accurate pricing for San Francisco-Southampton Eastleigh flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Southampton Eastleigh flights.
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From San Francisco to Southampton Eastleigh
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One-way flight from San Francisco to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 12/11:50 pmSFO - SOU
1 stop19h 00mDelta
Mon 12/89:00 amSOU - SFO
1 stop34h 50mDelta
Deal found 3/24$776
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:45 pmSFO - SOU
1 stop35h 00mKLM
Wed 9/179:20 amSOU - SFO
1 stop34h 25mKLM
Deal found 3/24$894
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:45 pmSFO - SOU
1 stop17h 45mAer Lingus
Sun 9/149:10 amSOU - SFO
1 stop14h 35mAer Lingus
Deal found 3/24$982
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:40 pmSFO - SOU
3 stops28h 25mMultiple Airlines
Mon 4/288:00 pmSOU - SFO
3 stops28h 30mMultiple Airlines
Deal found 3/24$1,116
This British Airways deal was found by Cheapflights users on 3/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:30 pmSFO - SOU
2 stops17h 55mBritish Airways
Tue 12/99:30 amSOU - SFO
1 stop14h 00mBritish Airways
Deal found 3/24$2,273

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 25, 2025.
Use the filters below to find and compare flights from San Francisco to Southampton that are best for you.

Fly from

San Francisco

Fly to

Southampton

Route

Depart

Return

Price

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 4/21

5:40 am-8:50 am

2 stops19h 10m

Southampton Eastleigh

Mon 4/28

5:35 pm-11:45 am

1 stop26h 10m

$780

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 9/1

1:45 pm-8:45 am

1 stop35h 00m

Southampton Eastleigh

Wed 9/17

9:20 am-11:45 am

1 stop34h 25m

$894

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 9/4

5:45 pm-7:30 pm

1 stop17h 45m

Southampton Eastleigh

Sun 9/14

9:10 am-3:45 pm

1 stop14h 35m

$982

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 4/21

7:40 pm-8:05 am

3 stops28h 25m

Southampton Eastleigh

Mon 4/28

8:00 pm-4:30 pm

3 stops28h 30m

$1,116

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 5/4

4:20 pm-7:25 pm

2 stops19h 05m

Southampton Eastleigh

Thu 5/8

9:40 am-3:45 pm

1 stop14h 05m

$2,274

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 5/6

7:00 am-8:40 am

3 stops41h 40m

$400

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 4/5

10:50 pm-8:45 am

2 stops25h 55m

$498

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 9/14

11:59 pm-8:15 am

2 stops24h 16m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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, November is the cheapest month in which you can book a flight from San Francisco to Southampton (average of $787). Flying from San Francisco to Southampton in June is currently the most expensive (average of $1,308). 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.

What is the cheapest time of day to fly from SFO to SOU?

Find hourly flight availability from San Francisco to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s typically best to fly out from San Francisco to Southampton at noon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 25, 2025.
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,061 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,713 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, Delta ($780), KLM ($894), and Aer Lingus ($982) 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, November is the cheapest month in which you can book a flight from San Francisco to Southampton (average of $787). Flying from San Francisco to Southampton in June is currently the most expensive (average of $1,308). 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

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Top 3 airlines flying from San Francisco to Southampton

Discover the top 3 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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$747Average$953FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$754Average$1,173FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$833Average$936FlexibilityNo cancel feeOn-timeN/A
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