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$207+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:30 pmLAX - EDI
1 stop14h 05mAmerican Airlines
Wed 11/57:50 amEDI - LAX
1 stop15h 30mAmerican Airlines
Deal found 10/28$551
This British Airways deal was found by Cheapflights users on 10/28. 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.
Tue 12/29:00 pmLAX - EDI
1 stop14h 50mBritish Airways
Mon 12/85:55 pmEDI - LAX
1 stop27h 35mBritish Airways
Deal found 10/28$553
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:10 pmLAX - LHR
2 stops20h 30mScandinavian Airlines
Thu 12/119:05 pmLHR - LAX
2 stops27h 55mScandinavian Airlines
Deal found 10/28$575
This lol.travel deal was found by Cheapflights users on 10/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:45 pmLAX - LHR
Nonstop10h 35mFinnair
Tue 11/2510:20 amLHR - LAX
1 stop14h 45mFinnair
Deal found 10/28$577
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:45 pmLAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Mon 6/14:25 pmLGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 10/29$577
This Delta deal was found by Cheapflights users on 10/28. 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 10/298:50 amLAX - EDI
2 stops18h 50mDelta
Wed 11/511:45 amEDI - LAX
1 stop16h 25mDelta
Deal found 10/28$578
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:25 amLAX - LHR
1 stop14h 10mFinnair
Tue 11/257:30 amLHR - LAX
1 stop17h 35mFinnair
Deal found 10/28$579
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:45 pmLAX - LHR
1 stop21h 55mTAP AIR PORTUGAL
Tue 11/186:00 amLHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Deal found 10/30$581
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 amLAX - STN
3 stops30h 55mMultiple Airlines
Sun 11/236:25 amSTN - LAX
2 stops23h 50mMultiple Airlines
Deal found 10/29$581
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:55 pmLAX - LHR
1 stop16h 55mAer Lingus
Wed 11/129:50 amLHR - LAX
1 stop16h 40mAer Lingus
Deal found 10/28$582
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:30 pmLAX - STN
2 stops19h 40mMultiple Airlines
Sun 12/146:25 amSTN - LAX
2 stops18h 35mMultiple Airlines
Deal found 10/30$585
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:15 pmLAX - LHR
1 stop16h 50mAer Lingus
Wed 11/57:50 amLHR - LAX
1 stop14h 20mAer Lingus
Deal found 10/30$586

Cheap 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 October 30, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$561
(British Airways)

One-way from

$207
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$618
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. 12% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
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 - LHR

LAXLHR

Los Angeles

Sun 11/30

5:45 pm-12:20 pm

Nonstop10h 35m

London Heathrow

Tue 12/9

7:30 am-5:05 pm

1 stop17h 35m

$583

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 12/9

7:30 pm-11:10 pm

2 stops19h 40m

London Stansted

Sun 12/14

6:25 am-5:00 pm

2 stops18h 35m

$585

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Sat 2/14

7:30 pm-10:55 pm

2 stops19h 25m

London Luton

Tue 2/17

8:50 pm-5:00 pm

2 stops28h 10m

$590

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Wed 2/4

6:10 pm-7:40 pm

1 stop17h 30m

London Stansted

Tue 2/17

8:10 am-12:40 am

2 stops24h 30m

$596

Los AngelesEdinburgh

LAX - EDI

LAXEDI

Los Angeles

Tue 12/2

8:50 am-10:40 am

2 stops17h 50m

Edinburgh Turnhouse

Tue 12/9

6:00 am-4:05 pm

1 stop18h 05m

$599

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 1/15

4:45 pm-5:30 pm

1 stop16h 45m

London Heathrow

Sat 4/25

6:00 am-2:40 pm

1 stop16h 40m

$603

Los AngelesGlasgow

LAX - GLA

LAXGLA

Los Angeles

Mon 11/17

1:45 pm-4:35 pm

1 stop18h 50m

Glasgow Intl

Tue 11/25

6:05 am-11:45 am

1 stop13h 40m

$604

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 3/4

7:30 pm-9:35 pm

2 stops18h 05m

London Heathrow

Sat 3/14

3:35 pm-6:00 pm

2 stops33h 25m

$606

Los AngelesEdinburgh

LAX - EDI

LAXEDI

Los Angeles

Wed 11/26

1:45 pm-11:10 pm

1 stop25h 25m

Edinburgh Turnhouse

Mon 12/1

6:05 pm-11:45 am

1 stop25h 40m

$608

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 2/16

7:30 pm-9:35 pm

2 stops18h 05m

London Heathrow

Mon 2/23

9:05 pm-5:00 pm

2 stops27h 55m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 $251). Flying from Riverside to United Kingdom in June is currently the most expensive (average of $564). 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 October 30, 2025.

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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 25% 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 December 16, 2024.

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

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 October 30, 2025.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and Norse Atlantic UK 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
7,998 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
671 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
7,998 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
Iberia
7.0
Good
3,004 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
7,487 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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 35m. Fly via Finnair, Delta, or TAP AIR PORTUGAL 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 Aer Lingus. According to our data, you can fly for as low as $312. Users have also found prices from $335 and $358 on TAP AIR PORTUGAL and JetBlue, 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 City.

  • 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 KLM (95%), Air France (95%) and Delta (95%).

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

    Looking at all options, your cheapest flight can be booked for $329. While the most popular route (Los Angeles - London Heathrow) can be booked for $409 on average, our data indicates $3,109 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 $251). Flying from Riverside to United Kingdom in June is currently the most expensive (average of $564). 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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Alternative routes for Riverside to United Kingdom

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$983FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$911FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$752FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$359Average$680FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$397Average$978FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$419Average$626FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$427Average$628FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$476Average$860FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$487Average$701FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$498Average$888FlexibilityNo cancel feeOn-time70%

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