Question 1

What’s the cheapest stopover airport for flights from Southampton to San Francisco?

Accepted Answer

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £469.

Question 2

Which airport typically offers the quickest stopover for flights from Southampton to San Francisco?

Accepted Answer

Flights via Dublin (DUB) offer the fastest connection on this route, with an average stopover time of 1h 55m.

Question 3

What’s the top stopover airport for flights from Southampton to San Francisco?

Accepted Answer

Dublin (DUB) – chosen by Cheapflights users on 50% of one-stop itineraries from Southampton to San Francisco on Cheapflights.

Question 4

What’s the fastest stopover option from Southampton to San Francisco?

Accepted Answer

Flights via Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 14h 00m.

Question 5

How long is the flight from Southampton to San Francisco?

Accepted Answer

KLM and Delta can get you from Southampton to San Francisco in just under 18h 58m. Your travel time can differ by up to 7h 12m. Southampton and San Francisco are separated by a distance of 5349 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 6

What is the cheapest month to book a flight from Southampton to San Francisco?

Accepted Answer

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

Question 7

What is the cheapest day to fly from Southampton to San Francisco?

Accepted Answer

Travellers seeking maximum savings on their Southampton 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.

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

How far in advance should I book a flight from Southampton to San Francisco?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 22% on flights from Southampton to San Francisco compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £449. For sooner than that we have options available in the next 3 days from £570.

Question 11

What is the cheapest month to fly from Southampton to San Francisco?

Accepted Answer

February can be a great time to fly to San Francisco from Southampton with a flight ticket averaging about £494. Cheapflights users have found deals in the month of February for as cheap as £335. The most expensive prices can be found in the month of July.

Question 12

What is the cheapest time of day to fly from SOU to SFO?

Accepted Answer

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

Question 13

Can I find deals for flights from Southampton to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Southampton to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Southampton to San Francisco?

Accepted Answer

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

Question 15

Can I find deals for business class flights from Southampton to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from Southampton to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Southampton to San Francisco?

Accepted Answer

Cheapflights helps you search for flights from Southampton to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Southampton to San Francisco?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to San Francisco.

Question 18

Can Cheapflights find flights from Southampton to San Francisco with no change fees?

Accepted Answer

Need flexible booking options for your flight to San Francisco from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 19

Can Cheapflights notify me if prices for flights from Southampton to San Francisco become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Southampton today and book when prices fit your budget.

Round-trip from	£577
Popular in	July
Cheapest in	February
Average price	£611

Cheap flights from Southampton to San Francisco from £577

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

Cheap flight deals from Southampton to San Francisco

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Find flight deals from Southampton to San Francisco

Cheapest flights from Southampton to San FranciscoExplore the most affordable flight options available from Southampton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Explore the most affordable flight options available from Southampton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to San Francisco that are best for you.

Best time to book a flight from Southampton to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Southampton with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Southampton to San Francisco

What is the cheapest month to book a flight from Southampton to San Francisco?

What’s the top stopover airport for flights from Southampton to San Francisco?

Share of one-stop return flights from Southampton to San Francisco chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Southampton to San Francisco?

Average return fare for one-stop flights from Southampton to San Francisco, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Southampton to San Francisco?

Shortest average travel time for one-stop one-way flights from Southampton to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Southampton to San Francisco?

Average stopover duration for one-stop one-way flights from Southampton to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Related info for your journey

Find useful and relevant information for your journey from Southampton to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Southampton to San Francisco?

Can I find deals for flights from Southampton to San Francisco that include hotel bookings?

How can I find direct flights from Southampton to San Francisco?

Can I find deals for business class flights from Southampton to San Francisco?

What is the cheapest month to book a flight from Southampton to San Francisco?

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How does Cheapflights help users find flights from Southampton to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Southampton to San Francisco?

Can Cheapflights find flights from Southampton to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Southampton to San Francisco become cheaper?

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Cheapest flights from Southampton to San Francisco
Explore the most affordable flight options available from Southampton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.