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Cheap flights from Southampton to Fremont from £434

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Fremont

Enter your travel dates to find the best prices.

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 3 February 2026.

Mon 23/308:50
SOU
-
SFO
1 stop35h 00m
Delta
Tue 31/305:50
SFO
-
SOU
2 stops27h 00m
Delta
Deal found 1/2£637
Thu 19/308:50
SOU
-
SFO
2 stops20h 46m
KLM
Thu 26/314:55
SFO
-
SOU
1 stop34h 55m
KLM
Deal found 2/2£649
Tue 24/308:50
SOU
-
SFO
1 stop35h 00m
Delta
Wed 1/411:00
SFO
-
SOU
2 stops21h 50m
Delta
Deal found 1/2£665
Tue 24/317:35
SOU
-
SFO
1 stop26h 15m
Delta
Mon 6/422:55
SFO
-
SOU
2 stops33h 55m
Delta
Deal found 1/2£669
Mon 23/317:40
SOU
-
SFO
1 stop26h 10m
Delta
Sat 4/409:25
SFO
-
SOU
2 stops23h 25m
Delta
Deal found 1/2£695
Mon 23/317:40
SOU
-
SFO
1 stop26h 10m
Delta
Sun 5/423:25
SFO
-
SOU
2 stops33h 25m
Delta
Deal found 1/2£699
Thu 19/318:05
SOU
-
SFO
1 stop25h 45m
Multiple Airlines
Thu 26/314:55
SFO
-
SOU
1 stop19h 05m
Multiple Airlines
Deal found 2/2£700
Sun 20/920:45
SOU
-
SFO
2 stops25h 05m
British Airways
Wed 30/917:35
SFO
-
SOU
1 stop17h 55m
British Airways
Deal found 1/2£722
Fri 27/220:10
SOU
-
SFO
1 stop27h 25m
British Airways
Mon 2/317:20
SFO
-
SOU
1 stop14h 15m
British Airways
Deal found 2/2£741

Find flight deals from Southampton to Fremont

Keep the following information in mind while searching for Southampton to Fremont flight deals. Data was last updated 3 February 2026.

Round-trip from

£637

One-way from

£434

Popular in

July

Cheapest in

February

Average price

£411
Delta
  • Delta
  • 23/3-31/3
  • 2 total stops
  • 45h 15m total
  • Southampton to Fremont
Search Deals
British Airways
  • British Airways
  • 13/4
  • 1 total stop
  • 14h 40m total
  • Southampton to Fremont
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 3 February 2026.
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

Mon 23/3

08:50-12:50

1 stop35h 00m

San Francisco

Tue 31/3

05:50-16:50

2 stops27h 00m

£637

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 19/3

08:50-22:36

2 stops20h 46m

San Francisco

Thu 26/3

14:55-08:50

1 stop34h 55m

£649

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 23/3

17:40-12:50

1 stop26h 10m

San Francisco

Mon 6/4

22:35-16:50

2 stops34h 15m

£669

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 24/3

17:35-17:28

2 stops30h 53m

San Francisco

Mon 6/4

21:35-16:50

2 stops35h 15m

£669

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 24/3

08:50-23:15

2 stops21h 25m

San Francisco

Wed 1/4

11:00-16:50

2 stops21h 50m

£669

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 23/3

17:40-12:50

1 stop26h 10m

San Francisco

Sat 4/4

09:25-16:50

2 stops23h 25m

£695

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 24/3

17:35-12:50

1 stop26h 15m

San Francisco

Sat 4/4

09:25-16:50

2 stops23h 25m

£695

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 24/3

17:35-12:50

1 stop26h 15m

San Francisco

Fri 3/4

13:45-08:45

1 stop35h 00m

£695

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 19/3

18:05-12:50

1 stop25h 45m

San Francisco

Thu 26/3

14:55-17:00

1 stop19h 05m

£700

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 27/2

20:10-15:35

1 stop27h 25m

San Francisco

Mon 2/3

17:20-15:35

1 stop14h 15m

£741

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 18 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 £346). Flying from Southampton to Fremont in July is currently the most expensive (average of £435). 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 20h 46m. Fly via Delta or KLM 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 £346). Flying from Southampton to Fremont in July is currently the most expensive (average of £435). 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!

Can Cheapflights find flights from Southampton to Fremont with no change fees?

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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