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Cheap flights from Portsmouth to Fremont

LHR — SFO
3 Nov — 10 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Fremont

Popular in

December

Cheapest in

February

Average price

£512
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Fremont

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

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.

Related info for your journey

  • 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 (75%), Austrian Airlines (75%), United Airlines( 75%).

  • What are the cheapest flights from Portsmouth to Fremont?

    The cheapest flight price from Portsmouth to Fremont is £368. On average you can expect to pay £1,418. The most popular route, (Southampton Eastleigh - San Francisco), can usually be booked for £652.

  • 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.

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Alternative routes for Portsmouth to Fremont

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London City to Sacramento flights
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Birmingham to San Francisco flights
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Top 10 airlines flying from Portsmouth to Fremont

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£341Average£668FlexibilityNo cancel feeOn-timeN/A
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SWISSCheapest£354Average£540FlexibilityNo cancel feeOn-time79%
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Alaska AirlinesCheapest£355Average£505FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
TAP AIR PORTUGALCheapest£365Average£486FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£375Average£569FlexibilityNo cancel feeOn-time72%
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Brussels AirlinesCheapest£377Average£516FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£379Average£514FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£380Average£552FlexibilityNo cancel feeOn-time76%
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Air CanadaCheapest£383Average£610FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapest£383Average£494FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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

Cheapflights makes it easy to find Portsmouth 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 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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