Cheap flights from Portsmouth 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.
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 18 September 2025.
Round-trip from | £484 |
---|---|
One-way from | £439 |
Popular in | July |
Cheapest in | February |
Average price | £421 |
Find flight deals from Portsmouth to Fremont
Cheapest flights from Portsmouth to FremontExplore 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 18 September 2025.
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 18 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Portsmouth to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 1/11
09:25-22:30
2 stops20h 05m
San Francisco
Fri 7/11
00:35-08:50
2 stops24h 15m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 1/11
09:25-22:30
2 stops20h 05m
San Francisco
Sat 8/11
07:15-08:50
2 stops17h 35m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 1/11
09:30-16:35
1 stop14h 05m
San Francisco
Sat 8/11
17:20-19:40
1 stop18h 20m
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
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
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 1/11
09:40-12:50
2 stops34h 10m
San Francisco
Sat 8/11
16:35-11:50
3 stops35h 15m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Mon 10/11
09:30-15:35
1 stop14h 05m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Thu 6/11
19:55-15:00
2 stops27h 05m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Wed 31/12
08:40-15:00
2 stops38h 20m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Tue 7/10
09:10-15:55
1 stop14h 45m
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.
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 18 September 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 16 December 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 18 September 2025.
The most flights from P0R to FR8 are scheduled on a Monday (42 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).
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.
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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 18 September 2025.
Fly with Cheapflights
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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.