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$168+ Cheap flights from Riverside, CA to London (LON)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to London are usually found in October or September, booked 31 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Riverside to London

Keep the following information in mind while searching for Riverside to London flight deals. Data was last updated August 1, 2025.

Round-trip from

$506
(Austrian Airlines)

One-way from

$168
(Booking.com)

Popular in

December

Cheapest in

October

Average price

$646
From Riverside to London (LON)
Search Deals
One-way flight from Riverside to London (LON)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Riverside to London

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

This Austrian Airlines deal was found by Cheapflights users on 7/31. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:30 amLAX - LHR
2 stops42h 05mAustrian Airlines
Mon 9/157:30 pmLHR - LAX
1 stop25h 35mAustrian Airlines
Deal found 7/31$506
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:30 amLAX - STN
2 stops20h 20mMultiple Airlines
Wed 10/229:30 pmSTN - LAX
2 stops29h 28mMultiple Airlines
Deal found 7/31$506
This Delta deal was found by Cheapflights users on 7/31. 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 8/1910:50 pmLAX - LHR
Nonstop10h 25mDelta
Thu 8/283:00 pmLHR - LAX
1 stop14h 55mDelta
Deal found 7/31$507
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Fri 8/224:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Thu 8/2810:45 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 7/31$507
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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.
Tue 8/121:30 pmLAX - LHR
Nonstop10h 30mIberia
Tue 8/264:55 pmLHR - LAX
Nonstop11h 20mIberia
Deal found 7/31$509
This British Airways deal was found by Cheapflights users on 7/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:40 pmLAX - LHR
Nonstop10h 25mBritish Airways
Wed 10/2210:10 amLHR - LAX
Nonstop11h 15mBritish Airways
Deal found 7/30$511
This SWISS deal was found by Cheapflights users on 7/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:35 pmLAX - LGW
1 stop14h 20mSWISS
Thu 8/216:40 pmLGW - LAX
1 stop29h 50mSWISS
Deal found 7/31$512
This Norse deal was found by Cheapflights users on 7/30. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:30 pmLAX - LGW
Nonstop10h 25mMultiple Airlines
Wed 10/16:25 amLGW - LAX
1 stop36h 30mMultiple Airlines
Deal found 7/30$513
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:40 pmLAX - LHR
Nonstop10h 30mUnited Airlines
Wed 9/249:30 amLHR - LAX
1 stop33h 35mUnited Airlines
Deal found 7/30$515
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:35 pmLAX - LCY
1 stop13h 40mSWISS
Wed 10/229:25 amLCY - LAX
1 stop15h 05mSWISS
Deal found 7/29$515
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:50 pmLAX - LGW
1 stop30h 25mIberia
Tue 9/169:45 pmLGW - LAX
1 stop28h 20mIberia
Deal found 7/31$516
This Connections by easyJet deal was found by Cheapflights users on 7/29. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:25 pmLAX - SEN
1 stop34h 20mMultiple Airlines
Thu 9/115:40 pmSEN - LAX
1 stop33h 25mMultiple Airlines
Deal found 7/29$518

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to London 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 August 1, 2025.
Use the filters below to find and compare flights from Riverside to London that are best for you.

Fly from

Riverside

Fly to

London

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 9/9

7:30 am-9:35 am

2 stops42h 05m

London Heathrow

Mon 9/15

7:30 pm-1:05 pm

1 stop25h 35m

$506

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Wed 10/15

7:30 am-11:50 am

2 stops20h 20m

London Stansted

Wed 10/22

9:30 pm-6:58 pm

2 stops29h 28m

$506

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 8/19

10:50 pm-5:15 pm

Nonstop10h 25m

London Heathrow

Wed 8/27

6:15 am-1:05 pm

1 stop14h 50m

$507

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Fri 8/22

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Thu 8/28

10:45 am-2:00 pm

Nonstop11h 15m

$507

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 8/12

1:30 pm-8:00 am

Nonstop10h 30m

London Heathrow

Thu 8/28

2:45 pm-6:05 pm

Nonstop11h 20m

$509

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 10/15

3:40 pm-10:05 am

Nonstop10h 25m

London Heathrow

Wed 10/22

10:10 am-1:25 pm

Nonstop11h 15m

$511

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 8/13

7:35 pm-5:55 pm

1 stop14h 20m

London Gatwick

Thu 8/21

6:40 pm-4:30 pm

1 stop29h 50m

$512

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sun 9/21

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Wed 10/1

6:25 am-10:55 am

1 stop36h 30m

$513

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 9/3

4:40 pm-11:10 am

Nonstop10h 30m

London Heathrow

Wed 9/24

9:30 am-11:05 am

1 stop33h 35m

$515

Los AngelesLondon

LAX - LCY

LAXLCY

Los Angeles

Wed 10/8

7:35 pm-5:15 pm

1 stop13h 40m

London City

Wed 10/22

9:25 am-4:30 pm

1 stop15h 05m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 37 results
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Best time to book a flight from Riverside to London

Have a flexible travel schedule? Discover the best time to fly to London from Riverside 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 Riverside to London

How far ahead should I book a flight from Riverside to London?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to London. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Riverside to London, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Riverside to London (average of $661). Flying from Riverside to London in June is currently the most expensive (average of $1,097). 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 R1V to LON?

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

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

What is the cheapest day to fly from Riverside to London?

Use this chart to determine the cheapest time to fly round-trip from Riverside to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to London flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Riverside to London

Explore weekly flight availability from Riverside to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2025.

The most flights from R1V to LON are scheduled on a Monday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

How much does it cost to fly round-trip from Riverside to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated August 1, 2025.
See what other customers who have flown with Delta, Austrian Airlines, and Finnair from Riverside to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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.
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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.
Finnair
7.6
Good
1,317 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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.
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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.
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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 Riverside to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Riverside to London one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $168. Users have also found prices from $179 and $221 on Norse Atlantic UK and A.P.G., respectively.

  • What are the most popular routes from Riverside to London?

    The most popular flight routes from Riverside to London are Los Angeles - London Heathrow, Los Angeles - London City and Los Angeles - London Gatwick.

  • What are the most reliable airlines from Riverside to London?

    No one likes to see their flight delayed. When booking a flight from Riverside to London consider choosing KLM (89%), Air France (89%) or Delta (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Riverside to London?

    While on average a flight from Riverside to London is generally $3,320, our data shows the cheapest flight currently is $377. When looking at the most popular route, (Los Angeles - London Heathrow), you can expect to pay $424 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Riverside to London (average of $661). Flying from Riverside to London in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

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Top 10 airlines flying from Riverside to London

Discover the top 10 airlines that operate flights from Riverside to London. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,046FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$791FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$900FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$362Average$686FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$375Average$673FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$418Average$592FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$427Average$732FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$476Average$703FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$540Average$720FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$553Average$822FlexibilityNo cancel feeOn-time70%

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