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Cheap flights from Southampton to Fremont from £439

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Fremont

Keep the following information in mind while searching for Southampton to Fremont flight deals. Data was last updated 17 September 2025.

Round-trip from

£477

One-way from

£439

Popular in

July

Cheapest in

February

Average price

£422
KLM
  • KLM
  • 30/10-6/11
  • 2 total stops
  • 44h 50m total
  • Southampton to Fremont
Search Deals
British Airways
  • British Airways
  • 10/11
  • 1 total stop
  • 14h 05m total
  • Southampton to Fremont
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southampton to Fremont

Cheapest flights from Southampton to Fremont
Explore the most affordable flight options available from Southampton to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 30/1018:05SOU - SFO
1 stop25h 45mKLM
Thu 6/1113:55SFO - SOU
1 stop19h 05mKLM
Deal found 15/9£477
Thu 30/1018:05SOU - SFO
1 stop25h 45mDelta
Wed 5/1100:35SFO - SOU
2 stops23h 30mDelta
Deal found 15/9£477
Fri 7/1109:30SOU - SFO
1 stop14h 05mBritish Airways
Tue 11/1117:20SFO - SOU
1 stop18h 20mBritish Airways
Deal found 15/9£585
Tue 30/919:55SOU - SFO
2 stops29h 30mBritish Airways
Tue 7/1017:40SFO - SOU
1 stop17h 50mBritish Airways
Deal found 16/9£748
Thu 30/1014:45SOU - SFO
3 stops32h 15mMultiple Airlines
Thu 6/1115:28SFO - SOU
2 stops20h 12mMultiple Airlines
Deal found 15/9£786
Sat 20/909:40SOU - SFO
1 stop14h 15mBritish Airways
Tue 7/1017:40SFO - SOU
1 stop17h 50mBritish Airways
Deal found 16/9£967

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Fremont 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 858,174 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Southampton to Fremont that are best for you.

Fly from

Southampton

Fly to

Fremont

Route

Depart

Return

Price

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 30/10

18:05-12:50

1 stop25h 45m

San Francisco

Thu 6/11

13:55-17:00

1 stop19h 05m

£477

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 30/10

18:05-12:50

1 stop25h 45m

San Francisco

Wed 5/11

00:35-08:05

2 stops23h 30m

£477

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 7/11

09:30-15:35

1 stop14h 05m

San Francisco

Tue 11/11

17:20-19:40

1 stop18h 20m

£585

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 30/9

19:55-17:25

2 stops29h 30m

San Francisco

Tue 7/10

17:40-19:30

1 stop17h 50m

£748

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 30/10

14:45-16:00

3 stops32h 15m

San Francisco

Thu 6/11

15:28-19:40

2 stops20h 12m

£786

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 10/11

09:30-15:35

1 stop14h 05m

£439

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 30/11

18:25-15:00

3 stops28h 35m

£559

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 7/10

09:10-15:55

1 stop14h 45m

£631

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 30/9

19:55-17:25

2 stops29h 30m

£653

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 8/10

19:55-13:50

2 stops25h 55m

£694

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 13 results
1
2

Best time to book a flight from Southampton to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Southampton with our price prediction graph.
Estimated return 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 Southampton to Fremont

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

Currently, February is the cheapest month in which you can book a flight from Southampton to Fremont (average of £538). Flying from Southampton to Fremont in July is currently the most expensive (average of £803). 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.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Fremont?

    If you book a flight to Fremont from Southampton, you will be flying from Eastleigh, which is the city’s only airport. Southampton Eastleigh (SOU) is located 3.5 mi from the center of Southampton. There are 0 flights from Eastleigh to Fremont per day from 0 different airlines.

  • How long is the flight from Southampton to Fremont?

    There are many flights that can get you from Southampton to Fremont in 14h 05m. Fly via KLM, Delta, or British Airways to get the fastest option. Airlines will cover a distance of 5349 mi. This flight may include one or multiple stops.

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

    Yes. In addition to deals on Southampton to Fremont flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Fremont?

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

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

    Yes. Cheapflights offers flight deals from Southampton to Fremont 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 Southampton to Fremont?

    Currently, February is the cheapest month in which you can book a flight from Southampton to Fremont (average of £538). Flying from Southampton to Fremont in July is currently the most expensive (average of £803). 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Fremont?

Cheapflights makes it easy to find Southampton to Fremont flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Fremont?

Cheapflights helps you find that perfect flight to Fremont from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Yes! Cheapflights helps users easily find flights from Southampton to Fremont with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Fremont become cheaper?

Yes! Start tracking prices for Southampton to Fremont flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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