Cheap flights from Portsmouth to San Francisco from £312
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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to San Francisco
Keep the following information in mind while searching for Portsmouth to San Francisco flight deals. Data was last updated 29 March 2025.
Round-trip from | £510 |
---|---|
One-way from | £312 |
Popular in | April |
Cheapest in | June |
Average price | £580 |
Find flight deals from Portsmouth to San Francisco
Cheapest flights from Portsmouth to San FranciscoExplore the most affordable flight options available from Portsmouth to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.
Explore the most affordable flight options available from Portsmouth to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Portsmouth to San Francisco 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 March 2025.
Use the filters below to find and compare flights from Portsmouth to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sun 11/5
18:25-11:45
1 stop25h 20m
San Francisco
Sun 18/5
13:45-08:50
1 stop35h 05m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sun 11/5
09:20-11:45
1 stop34h 25m
San Francisco
Sun 18/5
06:15-08:45
2 stops18h 30m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 10/5
09:20-11:45
1 stop34h 25m
San Francisco
Mon 26/5
06:10-17:00
2 stops26h 50m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sun 11/5
09:10-12:05
2 stops34h 55m
San Francisco
Sun 18/5
07:30-19:30
3 stops28h 00m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sun 11/5
18:25-11:45
1 stop25h 20m
San Francisco
Sun 18/5
13:45-17:00
1 stop19h 15m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 3/5
18:55-12:05
3 stops49h 10m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sat 3/5
16:25-15:55
1 stop31h 30m
SouthamptonSan Francisco
SOU - SFO
SOUSFO
Southampton Eastleigh
Sun 13/7
09:20-11:45
1 stop34h 25m
Best time to book a flight from Portsmouth to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to San Francisco
What is the cheapest month to book a flight from Portsmouth to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Portsmouth to San Francisco (average of £538). Flying from Portsmouth to San Francisco 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 SFO?
Find hourly flight availability from Portsmouth to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 March 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to San Francisco as you normally would.
What is the cheapest day to fly from Portsmouth to San Francisco?
Use this chart to determine the cheapest time to fly return from Portsmouth to San Francisco. Price data was last updated on 5 May 2024.
Travellers seeking maximum savings on their Portsmouth to San Francisco 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.
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco 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 San Francisco when rainfall is around 0.0 mm.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, 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 San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 29 March 2025.
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Portsmouth to San Francisco. 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 San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Portsmouth to San Francisco
Discover the top 10 airlines that operate flights from Portsmouth to San Francisco. 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 March 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Portsmouth to San Francisco?
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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to San Francisco?
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Can Cheapflights find flights from Portsmouth to San Francisco with no change fees?
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