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$204+ Cheap flights from Riverside, CA to the United Kingdom

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Riverside to United Kingdom

Cheapest flights from Riverside to United Kingdom
Explore the most affordable flight options available from Riverside to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:55 pm
LAX
-
MAN
1 stop31h 40m
TAP AIR PORTUGAL
Mon 3/235:05 pm
MAN
-
LAX
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 1/26$451
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:40 pm
LAX
-
MAN
1 stop33h 25m
TAP AIR PORTUGAL
Mon 5/255:55 pm
MAN
-
LAX
1 stop28h 50m
TAP AIR PORTUGAL
Deal found 1/26$486
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 1/314:45 pm
LAX
-
MAN
1 stop33h 50m
TAP AIR PORTUGAL
Mon 2/165:05 pm
MAN
-
LAX
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 1/27$488
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Thu 3/127:55 pm
LAX
-
MAN
2 stops20h 25m
Multiple Airlines
Mon 3/234:00 pm
MAN
-
LAX
2 stops31h 00m
Multiple Airlines
Deal found 1/26$519
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/68:10 pm
LAX
-
MAN
1 stop12h 40m
Multiple Airlines
Wed 5/277:20 am
MAN
-
LAX
2 stops42h 50m
Multiple Airlines
Deal found 1/26$573
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 5/48:10 pm
LAX
-
EDI
1 stop15h 40m
Multiple Airlines
Thu 5/145:30 pm
EDI
-
LAX
1 stop32h 40m
Multiple Airlines
Deal found 1/27$585
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 5/58:10 pm
LAX
-
EDI
1 stop15h 40m
Multiple Airlines
Sat 5/165:55 am
EDI
-
LAX
1 stop21h 15m
Multiple Airlines
Deal found 1/27$592
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Mon 3/25:30 pm
LAX
-
LHR
1 stop14h 20m
Multiple Airlines
Fri 3/139:00 am
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Deal found 1/27$594
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 5/78:10 pm
LAX
-
MAN
1 stop12h 40m
Multiple Airlines
Sun 5/107:25 pm
MAN
-
LAX
1 stop30h 45m
Multiple Airlines
Deal found 1/26$594
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:30 pm
LAX
-
LHR
1 stop15h 00m
Scandinavian Airlines
Tue 3/39:05 pm
LHR
-
LAX
2 stops27h 55m
Scandinavian Airlines
Deal found 1/25$595
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
Mon 3/23:30 pm
LAX
-
EDI
1 stop15h 45m
British Airways
Mon 3/911:25 am
EDI
-
LAX
1 stop16h 26m
British Airways
Deal found 1/26$595
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sun 3/17:55 pm
LAX
-
STN
1 stop17h 00m
Multiple Airlines
Sun 3/87:40 am
STN
-
LAX
1 stop18h 30m
Multiple Airlines
Deal found 1/25$595

Find flight deals from Riverside to United Kingdom

Keep the following information in mind while searching for Riverside to United Kingdom flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$451
(oojo)

One-way from

$204
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$738
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 Riverside to United Kingdom
Search Deals
One-way flight from Riverside to United Kingdom
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to United Kingdom 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 January 27, 2026.
Use the filters below to find and compare flights from Riverside to the United Kingdom that are best for you.

Fly from

Riverside

Fly to

United Kingdom

Route

Depart

Return

Price

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Mon 4/13

7:55 pm-11:00 pm

1 stop19h 05m

London Luton

Thu 4/23

5:40 am-6:10 pm

1 stop20h 30m

$602

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Tue 3/3

7:50 pm-10:25 pm

1 stop18h 35m

London Luton

Tue 3/10

6:50 am-7:05 pm

1 stop19h 15m

$603

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

Thu 3/5

9:00 pm-9:25 pm

1 stop16h 25m

Glasgow Intl

Mon 3/9

8:55 am-4:50 pm

1 stop14h 55m

$610

Los AngelesEdinburgh

LAX - EDI

LAXEDI

Los Angeles

Tue 3/10

10:00 pm-7:50 pm

1 stop14h 50m

Edinburgh Turnhouse

Fri 3/20

9:55 am-7:25 pm

1 stop16h 30m

$613

Los AngelesEdinburgh

LAX - EDI

LAXEDI

Los Angeles

Mon 3/9

7:00 pm-5:00 pm

1 stop15h 00m

Edinburgh Turnhouse

Tue 3/17

6:50 am-4:50 pm

1 stop17h 00m

$613

Los AngelesEdinburgh

LAX - EDI

LAXEDI

Los Angeles

Mon 3/9

7:00 pm-3:15 pm

1 stop13h 15m

Edinburgh Turnhouse

Thu 3/19

6:05 am-4:50 pm

1 stop17h 45m

$613

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Sun 4/12

7:55 pm-11:00 am

1 stop31h 05m

London Luton

Sun 4/19

1:25 pm-6:10 pm

1 stop36h 45m

$615

Los AngelesManchester

LAX - MAN

LAXMAN

Los Angeles

Sun 3/1

7:30 pm-9:30 am

1 stop30h 00m

Manchester

Tue 3/10

6:35 pm-6:00 pm

2 stops30h 25m

$618

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Tue 2/24

4:45 pm-8:10 pm

2 stops19h 25m

London Luton

Tue 3/3

6:50 am-6:05 pm

1 stop19h 15m

$620

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 3/30

3:30 pm-10:10 am

Nonstop10h 40m

London Heathrow

Thu 4/16

6:55 am-3:15 pm

1 stop16h 20m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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Best time to book a flight from Riverside to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

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

Currently, October is the cheapest month in which you can book a flight from Riverside to United Kingdom (average of $222). Flying from Riverside to United Kingdom in June is currently the most expensive (average of $569). 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 GB?

Find hourly flight availability from Riverside to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

One of the essential ways to save on airfare from Riverside to United Kingdom is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

What is the cheapest day to fly from Riverside to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from Riverside to United Kingdom. Price data was last updated on January 24, 2026.

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

Weekly flight availability from Riverside to United Kingdom

Explore weekly flight availability from Riverside to United Kingdom. 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 January 27, 2026.

The most flights from R1V to GB0 are scheduled on a Monday (43 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (27 on average).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and American Airlines from Riverside to the United Kingdom to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,124 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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
7.9
Good
8,124 reviews
Delta
7.9
Good
8,124 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,124 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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.
American Airlines
7.2
Good
11,201 reviews
Delta
7.9
Good
8,124 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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.
Norse Atlantic UK
7.2
Good
Delta
7.9
Good
8,124 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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.
British Airways
6.7
Okay
7,704 reviews
Delta
7.9
Good
8,124 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

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

  • How long is the flight from Riverside to United Kingdom?

    There are many flights that can get you from Riverside to United Kingdom in 10h 40m. Fly via British Airways, Scandinavian Airlines, or United Airlines to get the fastest option. Riverside and United Kingdom are separated by a distance of 5439 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as $139. Users have also found prices from $168 and $212 on TAP AIR PORTUGAL and British Airways, respectively.

  • What are the most popular routes from Riverside to United Kingdom?

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

  • What are the most reliable airlines from Riverside to United Kingdom?

    The top 3 most reliable airlines when flying from Riverside to United Kingdom are Air Canada (93%), Austrian Airlines (93%) and United Airlines (93%).

  • What are the cheapest flights from Riverside to United Kingdom?

    Looking at all options, your cheapest flight can be booked for $254. While the most popular route (Los Angeles - London Heathrow) can be booked for $456 on average, our data indicates $3,136 when flying from Riverside to United Kingdom.

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

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

  • How can I find direct flights from Riverside to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Riverside to United Kingdom 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 United Kingdom?

    Currently, October is the cheapest month in which you can book a flight from Riverside to United Kingdom (average of $222). Flying from Riverside to United Kingdom in June is currently the most expensive (average of $569). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Riverside to United Kingdom

Discover the top 10 airlines that operate flights from Riverside to United Kingdom. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$273Average$917FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$775FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$352Average$680FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$375Average$571FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$468Average$653FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$476Average$861FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$485Average$698FlexibilityNo cancel feeOn-time76%
KLMCheapest$527Average$891FlexibilityNo cancel feeOn-time75%
DeltaCheapest$530Average$908FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$531Average$908FlexibilityNo cancel feeOn-time67%

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