HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southampton

$367+ Cheap flights from California 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California 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 California to Southampton

Keep the following information in mind while searching for California to Southampton flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$801
(Delta)

One-way from

$458
(Ovago)

Popular in

December

Cheapest in

October

Average price

$711
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
Search Deals
From California to Southampton Eastleigh
Search Deals
One-way flight from California to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from California to Southampton

Cheapest flights from California to Southampton
Explore the most affordable flight options available from California to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Connections by easyJet deal was found by Cheapflights users on 5/1. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:45 pmLAX - SOU
1 stop27h 50mMultiple Airlines
Mon 5/198:05 amSOU - LAX
1 stop17h 25mMultiple Airlines
Deal found 5/1$553
This Delta deal was found by Cheapflights users on 4/29. 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 9/91:45 pmSFO - SOU
1 stop35h 00mDelta
Tue 9/235:35 pmSOU - SFO
1 stop26h 10mDelta
Deal found 4/29$801
This Virgin Atlantic deal was found by Cheapflights users on 4/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:50 pmLAX - SOU
1 stop19h 10mVirgin Atlantic
Wed 10/89:20 amSOU - LAX
1 stop13h 30mVirgin Atlantic
Deal found 4/30$830
This Delta deal was found by Cheapflights users on 4/30. 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 10/151:50 pmLAX - SOU
1 stop34h 55mDelta
Mon 10/275:20 pmSOU - LAX
1 stop26h 25mDelta
Deal found 4/30$831
This Delta deal was found by Cheapflights users on 5/1. 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 5/57:00 amSJC - SOU
2 stops26h 00mDelta
Sat 5/179:20 amSOU - SJC
2 stops19h 11mDelta
Deal found 5/1$846
This KLM deal was found by Cheapflights users on 5/1. 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 9/41:45 pmSFO - SOU
1 stop35h 00mKLM
Sun 9/146:25 pmSOU - SFO
1 stop25h 20mKLM
Deal found 5/1$861
This Delta deal was found by Cheapflights users on 4/30. 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 10/208:25 pmLAS - SOU
1 stop28h 20mDelta
Tue 10/289:00 amSOU - LAS
1 stop13h 10mDelta
Deal found 4/30$901
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:16 amSFO - SOU
2 stops25h 14mAer Lingus
Sun 9/149:10 amSOU - SFO
2 stops32h 08mAer Lingus
Deal found 5/1$947
This KLM deal was found by Cheapflights users on 4/30. 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.
Fri 8/292:50 pmLAS - SOU
2 stops18h 40mKLM
Wed 9/179:20 amSOU - LAS
2 stops17h 53mKLM
Deal found 4/30$1,035
This KLM deal was found by Cheapflights users on 4/29. 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 6/31:27 pmSJC - SOU
2 stops19h 33mKLM
Tue 6/105:35 pmSOU - SJC
2 stops31h 25mKLM
Deal found 4/29$1,083
This Delta deal was found by Cheapflights users on 4/30. 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 7/61:55 pmSAN - SOU
1 stop19h 55mDelta
Mon 7/216:25 pmSOU - SAN
1 stop25h 35mDelta
Deal found 4/30$1,126
This KLM deal was found by Cheapflights users on 5/1. 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 7/61:55 pmSAN - SOU
1 stop19h 55mKLM
Mon 7/216:25 pmSOU - SAN
1 stop25h 35mKLM
Deal found 5/1$1,127

Cheapflights Fare Finder

Customize your flight search to find flights from California 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 May 1, 2025.
Use the filters below to find and compare flights from California to Southampton that are best for you.

Fly from

California

Fly to

Southampton

Route

Depart

Return

Price

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 9/9

1:45 pm-8:45 am

1 stop35h 00m

Southampton Eastleigh

Tue 9/23

5:35 pm-11:45 am

1 stop26h 10m

$801

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 9/24

1:50 pm-5:00 pm

1 stop19h 10m

Southampton Eastleigh

Wed 10/8

9:20 am-2:50 pm

1 stop13h 30m

$830

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 10/15

1:50 pm-8:45 am

1 stop34h 55m

Southampton Eastleigh

Mon 10/27

5:20 pm-12:45 pm

1 stop26h 25m

$831

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 9/4

1:45 pm-8:45 am

1 stop35h 00m

Southampton Eastleigh

Sun 9/14

6:25 pm-11:45 am

1 stop25h 20m

$861

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Mon 10/20

8:25 pm-8:45 am

1 stop28h 20m

Southampton Eastleigh

Thu 10/30

9:00 am-3:10 pm

1 stop13h 10m

$901

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 9/4

10:16 am-7:30 pm

2 stops25h 14m

Southampton Eastleigh

Sun 9/14

9:10 am-9:18 am

2 stops32h 08m

$947

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Fri 8/29

2:50 pm-5:30 pm

2 stops18h 40m

Southampton Eastleigh

Wed 9/17

9:20 am-7:13 pm

2 stops17h 53m

$1,035

San JoseSouthampton

SJC - SOU

SJCSOU

San Jose

Tue 6/3

1:27 pm-5:00 pm

2 stops19h 33m

Southampton Eastleigh

Tue 6/10

5:35 pm-5:00 pm

2 stops31h 25m

$1,083

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 7/6

1:55 pm-5:50 pm

1 stop19h 55m

Southampton Eastleigh

Mon 7/21

6:25 pm-12:00 pm

1 stop25h 35m

$1,126

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 7/6

1:55 pm-5:50 pm

1 stop19h 55m

Southampton Eastleigh

Mon 7/21

6:25 pm-12:00 pm

1 stop25h 35m

$1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from California to Southampton

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

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

Currently, November is the cheapest month in which you can book a flight from California to Southampton (average of $787). Flying from California to Southampton in June is currently the most expensive (average of $1,308). 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.

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

Find hourly flight availability from California to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from California to Southampton, such as Delta, KLM and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
643 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,845 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What airport do you fly into for flights to Southampton from California?

    Southampton Eastleigh (SOU) is the airport you will fly into if you book a flight from California to Southampton. It is only a 3.5 mi journey from Eastleigh (SOU) to Southampton’s city center.

  • What are the cheapest airlines to fly from California to Southampton one-way?

    The cheapest airlines for a one-way flight from California to Southampton are Aer Lingus ($458), Delta ($510), and KLM ($3,485).

  • What are the most popular routes from California to Southampton?

    While some choose either Los Angeles - Southampton Eastleigh or San Diego - Southampton Eastleigh, San Francisco - Southampton Eastleigh is the most popular route from California to Southampton.

  • Can I find deals for flights from California to Southampton that include hotel bookings?

    Yes. In addition to deals on California to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Southampton?

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

  • Can I find deals for business class flights from California to Southampton?

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

  • What is the cheapest month to book a flight from California to Southampton?

    Currently, November is the cheapest month in which you can book a flight from California to Southampton (average of $787). Flying from California to Southampton in June is currently the most expensive (average of $1,308). 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.

See more FAQs

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.

Alternative routes for California to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to London City flights
San Francisco to Heathrow flights
Newark to Gatwick flights
Seattle to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Baltimore to Heathrow flights
LaGuardia to Gatwick flights
Atlanta to Heathrow flights
Boston to Gatwick flights
Newark to London City flights
Miami to Heathrow flights
Hobby to Heathrow flights
Denver to Heathrow flights
Orlando to Heathrow flights
Reagan-National to Heathrow flights
John F Kennedy Intl to Stansted flights
Dulles Intl to Gatwick flights
Boston to London City flights
Dulles Intl to London City flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Los Angeles to Gatwick flights
Stewart to Stansted flights
Los Angeles to London City flights
San Francisco to Gatwick flights
Baltimore to Gatwick flights
San Francisco to London City flights
Newark to Edinburgh flights
Austin to Heathrow flights
John F Kennedy Intl to Edinburgh flights
Seattle to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Sky Harbor Intl to Heathrow flights
Orlando to Gatwick flights
John F Kennedy Intl to Luton flights
O'Hare Intl to Gatwick flights
Tampa to Heathrow flights
O'Hare Intl to London City flights
Minneapolis to Heathrow flights
Portland to Heathrow flights
Detroit to Heathrow flights

Top 4 airlines flying from California to Southampton

Discover the top 4 airlines that operate flights from California 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$652Average$1,124FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$747Average$1,042FlexibilityNo cancel feeOn-time75%
DeltaCheapest$770Average$1,070FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$817Average$1,193FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Privacy Preferences©2025 Cheapflights