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Cheap flights from Southampton to Riverside from £356

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LAX
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Riverside

Enter your travel dates to find the best prices.

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 26 May 2026.

Sat 14/1109:20
SOU
-
LAX
1 stop17h 10m
Aer Lingus
Sat 21/1120:15
LAX
-
SOU
1 stop15h 15m
Aer Lingus
Deal found 21/5£665
Mon 16/1108:40
SOU
-
LAX
1 stop35h 05m
Delta
Tue 24/1113:45
LAX
-
SOU
1 stop34h 25m
Delta
Deal found 21/5£685
Wed 11/1108:40
SOU
-
LAX
2 stops22h 45m
Delta
Wed 18/1113:30
LAX
-
SOU
2 stops19h 30m
Delta
Deal found 21/5£688
Mon 6/709:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Mon 13/720:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 24/5£694
Wed 22/709:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Fri 31/720:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 21/5£712
Sun 11/1009:15
SOU
-
LAX
1 stop34h 35m
KLM
Tue 20/1008:30
LAX
-
SOU
2 stops16h 15m
KLM
Deal found 22/5£715
Fri 13/1117:30
SOU
-
LAX
2 stops30h 41m
Delta
Wed 18/1114:15
LAX
-
SOU
2 stops18h 45m
Delta
Deal found 21/5£719
Wed 11/1109:20
SOU
-
LAX
1 stop17h 10m
Aer Lingus
Thu 19/1120:15
LAX
-
SOU
1 stop15h 15m
Aer Lingus
Deal found 21/5£731
Sun 15/1120:00
SOU
-
LAX
1 stop30h 30m
Aer Lingus
Thu 19/1120:15
LAX
-
SOU
1 stop15h 15m
Aer Lingus
Deal found 21/5£739
Sat 14/1109:20
SOU
-
LAX
1 stop17h 10m
Multiple Airlines
Sat 21/1113:29
LAX
-
SOU
2 stops22h 01m
Multiple Airlines
Deal found 21/5£742

Find flight deals from Southampton to Riverside

Keep the following information in mind while searching for Southampton to Riverside flight deals. Data was last updated 26 May 2026.

Round-trip from

£665

One-way from

£356

Popular in

July

Cheapest in

January

Average price

£709
Aer Lingus
  • Aer Lingus
  • 14/11-21/11
  • 2 total stops
  • 32h 25m total
  • Southampton to Riverside
Search Deals
25/8
  • 25/8
  • 3 total stops
  • 53h 10m total
  • Southampton to Riverside
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£224 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£57 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 26 May 2026.
Use the filters below to find and compare flights from Southampton to Riverside that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 11/10

17:20-11:50

1 stop26h 30m

Los Angeles Los Angeles

Tue 20/10

16:45-16:50

1 stop16h 05m

£715

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 15/11

20:00-18:30

1 stop30h 30m

Los Angeles Los Angeles

Thu 19/11

20:15-19:30

1 stop15h 15m

£739

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 15/11

09:30-21:22

2 stops19h 52m

Los Angeles Los Angeles

Sun 22/11

13:45-08:10

1 stop34h 25m

£767

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 13/11

20:00-18:30

1 stop30h 30m

Los Angeles Los Angeles

Thu 19/11

20:15-19:30

1 stop15h 15m

£768
Fastest return journey

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 24/8

09:20-18:25

1 stop17h 05m

Los Angeles Los Angeles

Mon 14/9

20:10-19:30

1 stop15h 20m

£799

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 13/11

20:00-18:30

1 stop30h 30m

Los Angeles Los Angeles

Fri 20/11

20:15-08:40

1 stop28h 25m

£805

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 20/11

20:00-18:30

1 stop30h 30m

Los Angeles Los Angeles

Fri 11/12

20:15-08:40

1 stop28h 25m

£811

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 25/8

09:15-18:25

1 stop17h 10m

Los Angeles Los Angeles

Tue 15/9

15:50-17:45

2 stops17h 55m

£826
Cheapest one-way

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 20/9

17:20-18:25

1 stop33h 05m

£470

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 25/8

09:15-18:25

1 stop17h 10m

£503

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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

How much does it cost for a return flight from Southampton to Riverside?

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 0 different airlines.

  • How long is the flight from Southampton to Riverside?

    Departing from Southampton to Riverside will take you 26h 30m. There are 5434 mi between Southampton and Riverside. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

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Alternative routes for Southampton to Riverside

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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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