Cheap flights from Portsmouth to San Francisco International

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How to find the cheapest flight from
Portsmouth (SOU) to San Francisco International (SFO)

All the information you need to plan the best SOU to SFO flight in 2021: compare Portsmouth to San Francisco International flight prices with the expected peak season, weather and rainfall in San Francisco International.
How far in advance should I book a flight from Portsmouth to San Francisco International?

To save on the cost of your flight from Portsmouth to San Francisco International, book at least 61 days before your planned departure. Booking around this time can save you about 41% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £379 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £464.

What is the cheapest month to fly from Portsmouth to San Francisco International?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to San Francisco International. Flights to San Francisco International from Portsmouth in February are about £345 on average during February, but can be found for as low as £252.

When is the cheapest time to fly from Portsmouth to San Francisco International (SOU - SFO)?

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 International as you normally would.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portsmouth</span> to <span class="emphasized">San Francisco International</span> flights.

Flight FAQs

From Portsmouth to San Francisco International

Are flight prices decreasing from Southampton to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in Southampton or San Francisco?

The rainfall in Southampton is generally same as the rainfall in San Francisco. This will continue over the next 10 days.

Is Southampton weather warmer or cooler than San Francisco?

Expect the weather to be around 25 °C on average in September. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Francisco is generally hotter than in Southampton.

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Alternative routes for Portsmouth to San Francisco International

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Destination information for San Francisco International

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