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Cheap flights from Portsmouth to Fremont from £977

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
4 May — 11 May1
1 adult

Cheap flight deals from Portsmouth to Fremont

Keep the following information in mind while searching for Portsmouth to Fremont flight deals. Data was last updated 29 April 2025.

Round-trip from

£977

Popular in

April

Cheapest in

June

Average price

£993
Delta
  • Delta
  • 10/8-31/8
  • 3 total stops
  • 53h 05m total
  • Portsmouth to Fremont
Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Portsmouth to Fremont

Cheapest flights from Portsmouth to Fremont
Explore the most affordable flight options available from Portsmouth to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Sun 10/809:20SOU - SFO
1 stop34h 25mDelta
Sun 31/814:20SFO - SOU
2 stops18h 40mDelta
Deal found 28/4£977

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth 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 29 April 2025.
Use the filters below to find and compare flights from Portsmouth to Fremont that are best for you.

Fly from

Portsmouth

Fly to

Fremont

Route

Depart

Return

Price

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 10/8

09:20-11:45

1 stop34h 25m

San Francisco

Sun 31/8

14:20-17:00

2 stops18h 40m

£977

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 23/6

09:20-11:45

1 stop34h 25m

£1,178

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 7/7

18:25-11:45

1 stop25h 20m

£8,176

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Best time to book a flight from Portsmouth to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Portsmouth 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 Portsmouth to Fremont

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

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Fremont (average of £538). Flying from Portsmouth 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.

What is the cheapest time of day to fly from P0R to FR8?

Find hourly flight availability from Portsmouth to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

When flying from Portsmouth to Fremont, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Portsmouth to Fremont?

Use this chart to determine the cheapest time to fly return from Portsmouth to Fremont. Price data was last updated on 5 May 2024.

Travellers seeking maximum savings on their Portsmouth to Fremont flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Fremont

Explore weekly flight availability from Portsmouth to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2025.

The most flights from P0R to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in Fremont by month

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

In terms of precipitation, rainfall in Fremont ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Fremont when rainfall is around 0.0 mm.

Temperature in Fremont by month

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

If weather is an important factor for your trip to Fremont, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated 29 April 2025.

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most reliable airlines from Portsmouth to Fremont?

    Before booking your flight to Fremont from Portsmouth, check out the most reliable airlines to get you to your destination on time: Air Canada (92%), Austrian Airlines (92%), United Airlines( 92%).

  • What are the cheapest flights from Portsmouth to Fremont?

    The cheapest flight price from Portsmouth to Fremont is £410. On average you can expect to pay £1,495. The most popular route, (Southampton Eastleigh - San Francisco), can usually be booked for £508.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to Fremont (average of £538). Flying from Portsmouth 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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Alternative routes for Portsmouth to Fremont

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Fremont

Discover the top 10 airlines that operate flights from Portsmouth to Fremont. 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 858,174 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£239Average£465FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£280Average£466FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£317Average£414FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£346Average£468FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£357Average£580FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£360Average£510FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
SWISSCheapest£363Average£446FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£364Average£574FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£369Average£575FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£372Average£487FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Fremont from Portsmouth.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Fremont, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Portsmouth to Fremont flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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