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Cheap flights from Southampton to Riverside from £415

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LAX
5 Apr — 12 Apr1
1 adult

Cheap flight deals from Southampton to Riverside

Keep the following information in mind while searching for Southampton to Riverside flight deals. Data was last updated 31 March 2025.

Round-trip from

£531

One-way from

£415

Popular in

August

Cheapest in

January

Average price

£584
Delta
  • Delta
  • 1/9-17/9
  • 2 total stops
  • 29h 40m total
  • Southampton to Riverside
Aer Lingus
  • Aer Lingus
  • 21/9
  • 1 total stop
  • 30h 25m total
  • Southampton to Riverside
Highest demand for flights based on searches. 16% potential increase in price (£105 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from Southampton to Riverside

Cheapest flights from Southampton to Riverside
Explore the most affordable flight options available from Southampton to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Mon 1/909:20SOU - LAX
1 stop13h 30mDelta
Fri 19/916:50LAX - SOU
1 stop16h 10mDelta
Deal found 31/3£531
Fri 22/809:20SOU - LAX
1 stop13h 30mKLM
Fri 5/913:50LAX - SOU
1 stop19h 10mKLM
Deal found 31/3£707
Mon 5/508:05SOU - LAX
1 stop19h 00mMultiple Airlines
Sat 10/516:45LAX - SOU
1 stop17h 05mMultiple Airlines
Deal found 31/3£724
Wed 2/709:10SOU - LAX
1 stop17h 15mAer Lingus
Sat 2/820:05LAX - SOU
2 stops29h 05mAer Lingus
Deal found 31/3£817

Cheapflights Fare Finder

Customise your flight search to find flights from Southampton to Riverside 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 858,174 searches. Data last updated 31 March 2025.
Use the filters below to find and compare flights from Southampton to Riverside that are best for you.

Fly from

Southampton

Fly to

Riverside

Route

Depart

Return

Price

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 1/9

09:20-14:50

1 stop13h 30m

Los Angeles

Fri 19/9

16:50-17:00

1 stop16h 10m

£531

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 22/8

09:20-14:50

1 stop13h 30m

Los Angeles

Fri 5/9

13:50-17:00

1 stop19h 10m

£707

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 5/5

08:05-19:05

1 stop19h 00m

Los Angeles

Sat 10/5

16:45-17:50

1 stop17h 05m

£724

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 2/7

09:10-18:25

1 stop17h 15m

Los Angeles

Sat 2/8

20:05-09:10

2 stops29h 05m

£817

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 21/9

20:00-18:25

1 stop30h 25m

£415

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 28/7

20:00-22:10

2 stops34h 10m

£503

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 1/9

17:35-11:50

1 stop26h 15m

£1,123

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Best time to book a flight from Southampton to Riverside

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

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Riverside (average of £575). Flying from Southampton to Riverside in July is currently the most expensive (average of £811). 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.

Rainfall in Riverside by month

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

In terms of precipitation, rainfall in Riverside ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Riverside when rainfall is around 0.0 mm.

Temperature in Riverside by month

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

If weather is an important factor for your trip to Riverside, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing Riverside

Get insights into the airlines that provide service to Riverside. 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 Riverside. Reviews last updated 31 March 2025.
Read through reviews of airlines operating flights from Southampton to Riverside, such as Delta, KLM and Aer Lingus. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Southampton to Riverside. 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 from for flights from Southampton to Riverside?

    Located just 3.5 mi from the city center, Southampton Eastleigh is the airport most travelers will use when flying to Riverside from Southampton. Booking flights from Eastleigh (SOU) to Riverside should be relatively easy as there are 0 daily outbound flights to Riverside from 2 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to Riverside 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 Southampton to Riverside?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Riverside (average of £575). Flying from Southampton to Riverside in July is currently the most expensive (average of £811). 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

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Alternative routes for Southampton to Riverside

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Southampton to Riverside

Discover the top 2 airlines that operate flights from Southampton to Riverside. 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 858,174 searches. Data last updated 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£529Average£631FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£639Average£854FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Southampton to Riverside?

Cheapflights helps you search for flights from Southampton to Riverside 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.

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

Cheapflights simply makes it quick and affordable to book flights from Southampton to Riverside by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Riverside flexibly with Cheapflights today.

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

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

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