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Cheap flights from Southampton to Fremont from £529

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
3 Jun — 10 Jun1
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 4 May 2026.

Mon 15/609:20
SOU
-
SFO
1 stop14h 30m
Aer Lingus
Mon 22/617:35
SFO
-
SOU
1 stop15h 15m
Aer Lingus
Deal found 2/5£644
Thu 4/609:20
SOU
-
SFO
1 stop14h 30m
Aer Lingus
Wed 10/617:40
SFO
-
SOU
1 stop15h 10m
Aer Lingus
Deal found 4/5£666
Mon 15/609:20
SOU
-
SFO
1 stop14h 30m
Multiple Airlines
Mon 22/617:35
SFO
-
SOU
2 stops31h 00m
Multiple Airlines
Deal found 2/5£677
Sat 13/609:20
SOU
-
SFO
1 stop14h 35m
Aer Lingus
Sat 20/617:40
SFO
-
SOU
1 stop15h 10m
Aer Lingus
Deal found 30/4£707
Wed 11/1109:20
SOU
-
SFO
1 stop14h 15m
British Airways
Sun 15/1118:20
SFO
-
SOU
1 stop14h 15m
British Airways
Deal found 29/4£744
Fri 8/520:00
SOU
-
SFO
1 stop27h 55m
Aer Lingus
Sun 10/517:40
SFO
-
SOU
1 stop15h 10m
Aer Lingus
Deal found 1/5£745

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 4 May 2026.

Round-trip from

£644

One-way from

£529

Popular in

December

Cheapest in

February

Average price

£500
Aer Lingus
  • Aer Lingus
  • 15/6-22/6
  • 2 total stops
  • 29h 45m total
  • Southampton to Fremont
Search Deals
British Airways
  • British Airways
  • 19/10
  • 1 total stop
  • 14h 30m total
  • Southampton to Fremont
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 4 May 2026.
Use the filters below to find and compare flights from Southampton to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 18/6

09:20-15:50

1 stop14h 30m

San Francisco

Thu 25/6

17:35-19:30

1 stop17h 55m

£798

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 23/6

09:20-15:55

1 stop14h 35m

San Francisco

Wed 1/7

17:40-19:30

1 stop17h 50m

£798

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 15/6

17:20-11:45

1 stop26h 25m

San Francisco

Sun 28/6

23:45-08:35

2 stops24h 50m

£802

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 17/6

09:05-20:19

2 stops19h 14m

San Francisco

Sun 28/6

16:00-16:50

2 stops40h 50m

£805

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 14/6

17:20-18:13

2 stops32h 53m

San Francisco

Sun 28/6

23:45-08:35

2 stops24h 50m

£805

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sat 13/6

17:20-11:45

1 stop26h 25m

San Francisco

Sun 28/6

23:45-08:35

2 stops24h 50m

£832

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 3/7

09:05-00:59

2 stops23h 54m

San Francisco

Thu 16/7

05:40-08:45

2 stops19h 05m

£842

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 2/7

09:05-22:35

2 stops21h 30m

San Francisco

Tue 14/7

13:45-17:35

1 stop19h 50m

£842

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 3/7

09:05-00:59

2 stops23h 54m

San Francisco

Tue 14/7

13:45-17:35

1 stop19h 50m

£842

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 3/7

09:05-00:59

2 stops23h 54m

San Francisco

Wed 15/7

13:38-17:35

2 stops19h 57m

£842

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 18 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.

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 30m. Fly via Aer Lingus, British Airways, or Delta 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.

See more FAQs

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Fly with Cheapflights

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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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