$459+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SOU
Mar 24 — Mar 311
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
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 February 22, 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 February 22, 2026.
This Delta deal was found by Cheapflights users on 2/20. 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 2/221:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Wed 3/45:35 pm
SOU
- SFO
1 stop26h 15m
Delta
Deal found 2/20![Delta logo]()
$775
This Delta deal was found by Cheapflights users on 2/20. 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 2/221:55 pm
SFO
- SOU
1 stop19h 10m
Delta
Fri 3/68:50 am
SOU
- SFO
2 stops20h 50m
Delta
Deal found 2/20![Delta logo]()
$785
This Delta deal was found by Cheapflights users on 2/21. 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 9/211:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Tue 10/69:05 am
SOU
- SFO
2 stops22h 04m
Delta
Deal found 2/21![Delta logo]()
$789
This Delta deal was found by Cheapflights users on 2/19. 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 8/171:45 pm
SFO
- SOU
1 stop19h 50m
Delta
Tue 8/256:05 pm
SOU
- SFO
1 stop25h 40m
Delta
Deal found 2/19![Delta logo]()
$790
This Delta deal was found by Cheapflights users on 2/21. 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.
Sat 9/2610:45 pm
SFO
- SOU
2 stops25h 50m
Delta
Tue 10/69:05 am
SOU
- SFO
2 stops22h 36m
Delta
Deal found 2/21![Delta logo]()
$794
This Delta deal was found by Cheapflights users on 2/20. 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 2/261:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Mon 3/25:40 pm
SOU
- SFO
1 stop26h 10m
Delta
Deal found 2/20![Delta logo]()
$805
This KLM deal was found by Cheapflights users on 2/20. 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.
Sun 10/111:45 pm
SFO
- SOU
1 stop19h 05m
KLM
Sun 10/255:30 pm
SOU
- SFO
1 stop26h 20m
KLM
Deal found 2/20![KLM logo]()
$815
This Delta deal was found by Cheapflights users on 2/21. 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 7/261:45 pm
SFO
- SOU
1 stop19h 50m
Delta
Tue 8/116:05 pm
SOU
- SFO
2 stops30h 18m
Delta
Deal found 2/21![Delta logo]()
$818
This Delta deal was found by Cheapflights users on 2/19. 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 8/171:45 pm
SFO
- SOU
1 stop35h 00m
Delta
Sun 8/239:15 am
SOU
- SFO
1 stop34h 30m
Delta
Deal found 2/19![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 2/21. 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 7/267:00 am
SFO
- SOU
2 stops26h 35m
Delta
Wed 8/126:05 pm
SOU
- SFO
2 stops29h 58m
Delta
Deal found 2/21![Delta logo]()
$823
This Delta deal was found by Cheapflights users on 2/21. 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 9/241:05 pm
SFO
- SOU
2 stops19h 45m
Delta
Tue 10/69:05 am
SOU
- SFO
2 stops23h 45m
Delta
Deal found 2/21![Delta logo]()
$828
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 February 22, 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 February 22, 2026.
This Delta deal was found by Cheapflights users on 2/20. 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 2/2512:14 pm
SFO
- SOU
2 stops21h 11m
Delta
Mon 3/28:50 am
SOU
- SFO
1 stop35h 00m
Delta
Deal found 2/20![Delta logo]()
$780
This KLM deal was found by Cheapflights users on 2/20. 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.
Mon 4/61:45 pm
SFO
- SOU
1 stop34h 50m
KLM
Mon 4/139:05 am
SOU
- SFO
2 stops23h 22m
KLM
Deal found 2/20![KLM logo]()
$944
This Delta deal was found by Cheapflights users on 2/20. 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 2/257:00 am
SFO
- SOU
2 stops17h 20m
Delta
Tue 3/38:50 am
SOU
- SFO
2 stops22h 11m
Delta
Deal found 2/20![Delta logo]()
$790
This Delta deal was found by Cheapflights users on 2/20. 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 2/261:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Wed 3/45:35 pm
SOU
- SFO
1 stop26h 15m
Delta
Deal found 2/20![Delta logo]()
$805
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/61:05 pm
SFO
- SOU
2 stops35h 30m
Delta
Mon 4/139:05 am
SOU
- SFO
2 stops23h 22m
Delta
Deal found 2/18![Delta logo]()
$870
This Delta deal was found by Cheapflights users on 2/21. 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 4/79:46 am
SFO
- SOU
2 stops38h 49m
Delta
Wed 4/155:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/21![Delta logo]()
$883
This Delta deal was found by Cheapflights users on 2/21. 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 4/91:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Wed 4/159:05 am
SOU
- SFO
2 stops20h 18m
Delta
Deal found 2/21![Delta logo]()
$939
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/43:59 pm
SFO
- SOU
2 stops32h 36m
Delta
Mon 4/139:05 am
SOU
- SFO
2 stops23h 22m
Delta
Deal found 2/18![Delta logo]()
$993
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:35 pm
SFO
- SOU
2 stops49h 00m
Delta
Mon 4/135:20 pm
SOU
- SFO
2 stops33h 43m
Delta
Deal found 2/18![Delta logo]()
$994
This Delta deal was found by Cheapflights users on 2/21. 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 4/91:45 pm
SFO
- SOU
1 stop19h 05m
Delta
Tue 4/149:05 am
SOU
- SFO
2 stops21h 21m
Delta
Deal found 2/21![Delta logo]()
$1,002
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 2/281:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Sat 3/75:30 pm
SOU
- SFO
1 stop26h 20m
Delta
Deal found 2/20![Delta logo]()
$1,004
Last-minute flights from San Francisco to SouthamptonDiscover last-minute flight deals from San Francisco to Southampton. Data last updated February 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Southampton. Data last updated February 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 2/271:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Mon 5/115:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$11,071
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 2/271:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Fri 5/155:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$11,321
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 2/271:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Sun 5/105:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$13,081
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 2/271:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Sat 5/95:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$17,446
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 2/281:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Sat 3/75:30 pm
SOU
- SFO
1 stop26h 20m
Delta
Deal found 2/20![Delta logo]()
$1,004
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 2/281:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Wed 5/135:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$9,346
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 2/281:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Thu 5/145:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$9,596
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 2/281:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Sun 5/105:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$11,356
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 2/281:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Sat 5/95:20 pm
SOU
- SFO
1 stop26h 25m
Delta
Deal found 2/19![Delta logo]()
$15,596
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 February 22, 2026.
Search for one-way flight options from San Francisco to Southampton. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
This Delta deal was found by Cheapflights users on 2/20. 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 3/11:55 pm
SFO
- SOU
1 stop34h 25m
Delta
Deal found 2/20![Delta logo]()
$459
This KAYAK deal was found by Cheapflights users on 2/21. 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 7/245:35 pm
SFO
- SOU
1 stop17h 55m
Aer Lingus
Deal found 2/21![Aer Lingus logo]()
$467
This Delta deal was found by Cheapflights users on 2/20. 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 3/51:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Deal found 2/20![Delta logo]()
$505
This Delta deal was found by Cheapflights users on 2/20. 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 6/251:45 pm
SFO
- SOU
1 stop35h 00m
Delta
Deal found 2/20![Delta logo]()
$531
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 3/61:55 pm
SFO
- SOU
1 stop19h 05m
Delta
Deal found 2/20![Delta logo]()
$565
This KAYAK deal was found by Cheapflights users on 2/19. 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.
Sun 3/16:20 pm
SFO
- SOU
1 stop17h 20m
Aer Lingus
Deal found 2/19![Aer Lingus logo]()
$573
This KAYAK deal was found by Cheapflights users on 2/20. 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 3/206:20 pm
SFO
- SOU
1 stop31h 25m
Aer Lingus
Deal found 2/20![Aer Lingus logo]()
$674
This Delta deal was found by Cheapflights users on 2/20. 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 6/221:45 pm
SFO
- SOU
1 stop34h 50m
Delta
Deal found 2/20![Delta logo]()
$681
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 February 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $790 (Delta) |
One-way from | $459 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $659 |
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 February 22, 2026.
Use the filters below to find and compare flights from San Francisco to Southampton that are best for you.
Fly from
San Francisco
Fly to
Southampton
Route
Depart
Return
Price
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Wed 2/25
12:14 pm-5:25 pm
2 stops21h 11m
Southampton Eastleigh
Mon 3/2
8:50 am-11:50 am
1 stop35h 00m
$780
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Wed 2/25
7:00 am-8:20 am
2 stops17h 20m
Southampton Eastleigh
Tue 3/3
8:50 am-11:01 pm
2 stops22h 11m
$790
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Thu 2/26
1:55 pm-5:00 pm
1 stop19h 05m
Southampton Eastleigh
Wed 3/4
5:35 pm-11:50 am
1 stop26h 15m
$805
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Mon 4/6
1:05 pm-8:35 am
2 stops35h 30m
Southampton Eastleigh
Mon 4/13
9:05 am-12:27 am
2 stops23h 22m
$870
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Tue 4/7
9:46 am-8:35 am
2 stops38h 49m
Southampton Eastleigh
Wed 4/15
5:20 pm-11:45 am
1 stop26h 25m
$883
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Thu 4/9
1:45 pm-4:50 pm
1 stop19h 05m
Southampton Eastleigh
Wed 4/15
9:05 am-9:23 pm
2 stops20h 18m
$939
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Mon 4/6
1:45 pm-8:35 am
1 stop34h 50m
Southampton Eastleigh
Mon 4/13
9:05 am-12:27 am
2 stops23h 22m
$944
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Sat 4/4
3:59 pm-8:35 am
2 stops32h 36m
Southampton Eastleigh
Mon 4/13
9:05 am-12:27 am
2 stops23h 22m
$993
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Fri 4/3
11:35 pm-8:35 am
2 stops49h 00m
Southampton Eastleigh
Mon 4/13
5:20 pm-7:03 pm
2 stops33h 43m
$994
San FranciscoSouthampton
SFO - SOU
SFOSOU
San Francisco
Thu 4/9
1:45 pm-4:50 pm
1 stop19h 05m
Southampton Eastleigh
Tue 4/14
9:05 am-10:26 pm
2 stops21h 21m
$1,002
Showing 1-10 of 18 results
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 February.
| 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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Southampton
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 February 22, 2026.
Read through reviews of airlines operating flights from San Francisco to Southampton, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Comfort
7.1
Crew
8.1
Overall
7.2
Entertainment
7.0
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Food
6.6
Comfort
7.1
Crew
8.1
Overall
7.2
Entertainment
7.0
Boarding
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
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Top airline flying from San Francisco to Southampton
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$946 | Average$1,107 | FlexibilityNo cancel fee | On-timeN/A |