$454+ Cheap flights from San Francisco (SFO) to Southampton (SOU)
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOU
May 18 — May 251
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Southampton with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Southampton
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Cheapest flights from San Francisco to SouthamptonExplore the most affordable flight options available from San Francisco to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from San Francisco to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Mon 10/195:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/16![Delta logo]()
$999
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:55 am
SFO
- SOU
2 stops23h 55m
Delta
Tue 10/205:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/16![Delta logo]()
$1,003
This KLM deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:25 pm
SFO
- SOU
2 stops18h 25m
KLM
Tue 9/89:05 am
SOU
- SFO
1 stop34h 40m
KLM
Deal found 4/16![KLM logo]()
$1,004
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Fri 10/29:05 am
SOU
- SFO
2 stops22h 41m
Delta
Deal found 4/14![Delta logo]()
$1,007
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Thu 10/159:05 am
SOU
- SFO
2 stops22h 04m
Delta
Deal found 4/16![Delta logo]()
$1,008
This KLM deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:45 pm
SFO
- SOU
1 stop35h 00m
KLM
Mon 9/79:05 am
SOU
- SFO
1 stop34h 40m
KLM
Deal found 4/14![KLM logo]()
$1,009
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Mon 10/195:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/16![Delta logo]()
$1,049
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:40 pm
SFO
- SOU
1 stop15h 10m
Aer Lingus
Tue 9/89:15 am
SOU
- SFO
1 stop14h 40m
Aer Lingus
Deal found 4/16![Aer Lingus logo]()
$1,055
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Sun 9/275:20 pm
SOU
- SFO
2 stops30h 43m
Delta
Deal found 4/13![Delta logo]()
$1,056
Best flights from San Francisco to SouthamptonDiscover carefully curated flight deals from San Francisco to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from San Francisco to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This KLM deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:45 pm
SFO
- SOU
1 stop19h 05m
KLM
Fri 10/29:05 am
SOU
- SFO
2 stops21h 50m
KLM
Deal found 4/15![KLM logo]()
$1,008
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:45 pm
SFO
- SOU
1 stop34h 50m
Delta
Sun 9/275:20 pm
SOU
- SFO
2 stops34h 35m
Delta
Deal found 4/13![Delta logo]()
$1,056
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
SFO
- SOU
2 stops18h 45m
Delta
Mon 9/79:05 am
SOU
- SFO
2 stops19h 14m
Delta
Deal found 4/13![Delta logo]()
$1,131
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:15 am
SFO
- SOU
2 stops18h 20m
Delta
Mon 6/89:05 am
SOU
- SFO
1 stop34h 40m
Delta
Deal found 4/17![Delta logo]()
$1,210
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:15 am
SFO
- SOU
2 stops18h 20m
Delta
Thu 6/115:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/17![Delta logo]()
$1,210
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:15 am
SFO
- SOU
2 stops18h 20m
Delta
Tue 6/95:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/17![Delta logo]()
$1,210
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:45 pm
SFO
- SOU
1 stop34h 50m
Delta
Mon 6/85:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/13![Delta logo]()
$1,248
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:45 pm
SFO
- SOU
2 stops19h 05m
Delta
Sun 9/279:15 am
SOU
- SFO
2 stops21h 40m
Delta
Deal found 4/13![Delta logo]()
$1,249
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:55 am
SFO
- SOU
2 stops26h 55m
Delta
Sun 6/75:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 4/13![Delta logo]()
$1,383
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:15 am
SFO
- SOU
2 stops25h 35m
Delta
Wed 8/56:05 pm
SOU
- SFO
2 stops32h 09m
Delta
Deal found 4/13![Delta logo]()
$1,403
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1411:40 pm
SFO
- SOU
2 stops24h 55m
Delta
Wed 7/86:05 pm
SOU
- SFO
2 stops32h 09m
Delta
Deal found 4/15![Delta logo]()
$1,404
Last-minute flights from San Francisco to SouthamptonDiscover last-minute flight deals from San Francisco to Southampton. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Southampton. Data last updated April 18, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:35 pm
SFO
- SOU
2 stops20h 10m
British Airways
Tue 5/57:55 pm
SOU
- SFO
2 stops25h 55m
British Airways
Deal found 4/16![British Airways logo]()
$5,020
One-way flights from San Francisco to SouthamptonSearch for one-way flight options from San Francisco to Southampton. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from San Francisco to Southampton. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This KLM deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:45 pm
SFO
- SOU
1 stop35h 00m
KLM
Deal found 4/14![KLM logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:20 pm
SFO
- SOU
3 stops43h 30m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Deal found 4/17![Delta logo]()
$567
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Deal found 4/17![Delta logo]()
$617
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:30 am
SFO
- SOU
2 stops23h 20m
Delta
Deal found 4/13![Delta logo]()
$621
This KAYAK deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:35 pm
SFO
- SOU
1 stop17h 55m
Aer Lingus
Deal found 4/18![Aer Lingus logo]()
$629
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:40 pm
SFO
- SOU
1 stop15h 10m
Aer Lingus
Deal found 4/16![Aer Lingus logo]()
$658
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Deal found 4/13![Delta logo]()
$661
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:32 am
SFO
- SOU
2 stops19h 13m
Delta
Deal found 4/14![Delta logo]()
$666
Find flight deals from San Francisco to Southampton
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $999 (Delta) |
One-way from | $454 (KLM) |
Popular in | June |
Cheapest in | February |
Average price | $725 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Southampton 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 2,558,603 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from San Francisco to Southampton that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Wed 9/16
1:45 pm-4:50 pm
1 stop19h 05m
Southampton Eastleigh
Fri 10/2
9:05 am-10:55 pm
2 stops21h 50m
$1,008
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Wed 9/9
1:45 pm-8:35 am
1 stop34h 50m
Southampton Eastleigh
Sun 9/27
5:20 pm-7:55 pm
2 stops34h 35m
$1,056
Quickest round-trip
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Tue 8/25
6:00 am-8:45 am
2 stops18h 45m
Southampton Eastleigh
Mon 9/7
9:05 am-8:19 pm
2 stops19h 14m
$1,131
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Sun 5/17
6:15 am-8:35 am
2 stops18h 20m
Southampton Eastleigh
Mon 6/8
9:05 am-11:45 am
1 stop34h 40m
$1,210
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Sun 5/17
6:15 am-8:35 am
2 stops18h 20m
Southampton Eastleigh
Thu 6/11
5:20 pm-11:45 am
1 stop26h 25m
$1,210
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Sun 5/17
6:15 am-8:35 am
2 stops18h 20m
Southampton Eastleigh
Tue 6/9
5:20 pm-11:45 am
1 stop26h 25m
$1,210
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Wed 6/3
1:45 pm-8:35 am
1 stop34h 50m
Southampton Eastleigh
Mon 6/8
5:20 pm-11:45 am
1 stop26h 25m
$1,248
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Mon 9/7
1:45 pm-4:50 pm
2 stops19h 05m
Southampton Eastleigh
Sun 9/27
9:15 am-10:55 pm
2 stops21h 40m
$1,249
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Thu 6/4
5:55 am-4:50 pm
2 stops26h 55m
Southampton Eastleigh
Sun 6/7
5:20 pm-11:45 am
1 stop26h 25m
$1,383
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Tue 5/26
7:15 am-4:50 pm
2 stops25h 35m
Southampton Eastleigh
Wed 8/5
6:05 pm-6:14 pm
2 stops32h 09m
$1,403
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Southampton
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Southampton in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Southampton flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Southampton
Have a flexible travel schedule? Discover the best time to fly to Southampton from San Francisco with our price prediction graph.
SFO-SOU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Southampton
Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated April 18, 2026.
Read through reviews of airlines operating flights from San Francisco to Southampton, such as Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Popular flights
Southampton flight routes
Alternative routes for San Francisco to Southampton
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Complete your trip
Complete your trip to Southampton by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Southampton by cabin class
Find flights from San Francisco to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Southampton flights
Browse other San Francisco and Southampton flight options. Last updated on April 18, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Southampton
Explore flights to Southampton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Top 2 airlines flying from San Francisco to Southampton
Discover the top 2 airlines that operate flights from San Francisco to Southampton. 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 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$781 | Average$1,115 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$814 | Average$1,090 | FlexibilityNo cancel fee | On-time75% |