SFO - SOU

$454 Find Cheap Flights from San Francisco to Southampton

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Southampton departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Southampton

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Southampton, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Southampton, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$999
Delta
Sun 10/4Mon 10/19
SFO - SOU • 1 stop
Cheapest one-way
$454
KLM
Thu 9/24
SFO - SOU • 1 stop
Top airlines
Cheapest • from $999 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between San Francisco and Southampton. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $1,155 (round-trip)
Shortest trip • 17h 11m (one-way)
Insights
Insights
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We hope you love your trip to Southampton!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Francisco to Southampton (SFO-SOU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Southampton that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Southampton

Sun, Oct 4 - Mon, Oct 19
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$999Delta
Sun, Oct 4 - Tue, Oct 20
Delta Logo
8:55 am - 4:50 pm
SFO
-
SOU
23h 55m
2 stops
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$1,003Delta
Tue, Sep 1 - Tue, Sep 8
KLM Logo
2:25 pm - 4:50 pm
SFO
-
SOU
18h 25m
2 stops
KLM Logo
9:05 am - 11:45 am
SOU
-
SFO
34h 40m
1 stop
$1,004KLM
Sun, Oct 4 - Thu, Oct 15
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
Delta Logo
9:05 am - 11:09 pm
SOU
-
SFO
22h 04m
2 stops
$1,008Delta
Wed, Sep 16 - Fri, Oct 2
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
Delta Logo
9:05 am - 11:46 pm
SOU
-
SFO
22h 41m
2 stops
$1,009Delta
Wed, Sep 16 - Fri, Oct 2
KLM Logo
1:45 pm - 8:35 am
SFO
-
SOU
34h 50m
1 stop
KLM Logo
9:05 am - 10:55 pm
SOU
-
SFO
21h 50m
2 stops
$1,010KLM
Tue, Aug 25 - Mon, Sep 7
KLM Logo
1:45 pm - 8:45 am
SFO
-
SOU
35h 00m
1 stop
KLM Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$1,011KLM
Sun, Oct 4 - Mon, Oct 19
Delta Logo
5:00 pm - 4:50 pm
SFO
-
SOU
15h 50m
2 stops
Delta Logo
5:20 pm - 4:02 pm
SOU
-
SFO
30h 42m
2 stops
$1,013Delta
Tue, Sep 1 - Tue, Sep 8
KLM Logo
2:25 pm - 4:50 pm
SFO
-
SOU
18h 25m
2 stops
KLM Logo
9:05 am - 8:19 pm
SOU
-
SFO
19h 14m
2 stops
$1,014KLM
Thu, Oct 8 - Mon, Oct 19
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$1,049Delta
Booking Insights

KAYAK's insights & trends for San Francisco to Southampton flights

Get data-powered insights and trends into flights from San Francisco to Southampton to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from San Francisco to Southampton?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San Francisco to Southampton were found on Delta ($999) and KLM ($1,004).

Good to know

Cheapest flight$454
Flight from San Francisco to Southampton

When to book flights from San Francisco to Southampton

Are your dates flexible? Find out the best times to travel from San Francisco to Southampton based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Southampton

  • What is the cheapest flight from San Francisco to Southampton?

    In the last 3 days, the lowest price for a flight from San Francisco to Southampton was $567 for a one-way ticket and $999 for a round-trip.

  • Do I need a passport to fly between San Francisco and Southampton?

    Yes

  • Which airports will I be using when flying from San Francisco to Southampton?

    San Francisco and Southampton are both served by 1 main airport. You will leave San Francisco from San Francisco and will be arriving at Southampton Eastleigh.

  • Which aircraft models fly most regularly from San Francisco to Southampton?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Francisco to Southampton?

    SkyTeam is the only airline alliance operating flights between San Francisco and Southampton.

  • Which is the best airline for flights from San Francisco to Southampton, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from San Francisco to Southampton are Delta and KLM. With an average price for the route of $1,115 and an overall rating of 7.9, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $1,090 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Francisco to Southampton?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Southampton.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Southampton?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Southampton from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Southampton?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Southampton with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and SOU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Southampton?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Southampton from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from San Francisco to Southampton

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Southampton. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Southampton? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8419 reviews
8.1Boarding
7.2Food
7.8Entertainment
7.9Comfort
8.5Crew
Airline reviews

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

10.0 ExcellentTeresa, Apr 2026
SMF - LAX
Read more Delta reviews

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

Generally on time departures and arrivals, clean planes, sky miles membership provides great benefits (complimentary upgrades, etc).

N Everything was perfect from boarding to assistance to baggage in Tampa

Loved the crew! Sucks that we went from 1 hour and 8 minute layover to a 3 hour layover. But weather sucks like that.

Fast, lovely scenery, great info on the Delta flight screen about landmarks we were flying over. Great landing!

Long flight but comfortable and not freezing as I have experienced on Hawaiian flights to the islands. They gave us blankets just in case. Nice touch.

The return flight was great. The flight out to CDG was overbooked, and we were forced to check in a small carry-on at the get immediately before the flight, before getting out the stuff we needed on the plane.

I took seat 15A in anticipation of window seat, there is no window.

Flight late, the waited for a long time for “personal” to arrive at gate to dock the plane in Rochester. So annoying. This flight was expected, why aren’t personel available for the jet bridge?

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

It was really nice experience by flying this klm flight.I personally recommend everyone to please try this klm flight

The crew were unprofessional with a racist element. I was physically abused as well from one of the crew members

Empty seats next to me - wish it had been for a longer flight!!

I’m grateful for the KLM Air France shuttle bus service to Ottawa. However due to construction and other issues related to the chaotic Uber pickup system at YUL, it’s a challenge to find the Kelios bus service to Ottawa. The signs are not clear or even available. No staff to guide passengers. It’s a stressful experience.

Flight was on time, staff are friendly and helpful onboard.

Terrible last row seats many seats available but no offer to move to better seat

Delay on my previous leg, had to run to catch my flight. But that happens. Overall ok.

Delay and had to run between flight to get my connection due to this delay but besides that the overall experience was ok. I arrived with just an hour of delay.

They forgot to serve food and the crew was very unfriendly. Never experienced such a bad KLM flight. Usually fly from Toronto. New York was different.

Couldn’t get boarding pass in SLC even with help from a redcoat, so had to find a desk in AMS to get boarding pass. Technical problems so not sure why. Very inconvenient. The KLM app is not as user friendly as most apps. Also had to wait almost an hour on the tarmac for a fuel truck, which caused us to miss a connecting bus in LUX.

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

Information on your arrival and departure airports