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$156+ Cheap flights from Riverside, CA to London, ON (YXU)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$316
(oojo)

One-way from

$156
(WestJet)

Popular in

July

Cheapest in

May

Average price

$338
From Riverside to London
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One-way flight from Riverside to London
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Highest demand for flights based on searches. 20% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This oojo deal was found by Cheapflights users on 9/16. 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 11/277:00 amLAX - YXU
1 stop9h 12mWestJet
Fri 12/58:10 pmYXU - LAX
1 stop28h 53mWestJet
Deal found 9/16$316
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:55 pmLAX - YXU
1 stop6h 51mAir Canada
Fri 11/75:15 amYXU - LAX
1 stop8h 17mAir Canada
Deal found 9/16$357
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:05 pmLAX - YXU
1 stop8h 07mWestJet
Sun 10/128:00 pmYXU - LAX
1 stop17h 52mWestJet
Deal found 9/17$410
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/86:05 pmLAX - YXU
1 stop8h 07mMultiple Airlines
Sun 10/126:00 amYXU - LAX
2 stops31h 45mMultiple Airlines
Deal found 9/17$424
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/3110:55 pmLAX - YXU
1 stop6h 51mUnited Airlines
Fri 11/75:45 amYXU - LAX
1 stop7h 47mUnited Airlines
Deal found 9/16$433

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 September 17, 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 - YXU

LAXYXU

Los Angeles

Thu 11/27

7:00 am-7:12 pm

1 stop9h 12m

London

Fri 12/5

8:10 pm-10:03 pm

1 stop28h 53m

$316

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 10/31

10:55 pm-8:46 am

1 stop6h 51m

London

Fri 11/7

5:15 am-10:32 am

1 stop8h 17m

$357

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 2/19

10:55 pm-8:46 am

1 stop6h 51m

London

Mon 2/23

9:25 am-3:17 pm

1 stop8h 52m

$366

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 10/31

7:00 am-7:12 pm

1 stop9h 12m

$156

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 10/16

11:40 am-5:12 am

1 stop14h 32m

$164

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 10/31

6:30 pm-5:05 pm

2 stops19h 35m

$206

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Wed 10/15

12:09 am-5:12 am

2 stops26h 03m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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
No data available for this route at this time. Please check back soon.

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 September 17, 2025.
Read reviews from past customers who have flown United Airlines and Air Canada from Riverside to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 airport do you fly into for flights to London from Riverside?

    London (YXU) is the airport you will fly into if you book a flight from Riverside to London. You should not have trouble finding flights to London from Riverside; the airport handles an average of 0 inbound flights from Riverside per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the London airport from Riverside. It is only a 5.3 mi journey from London (YXU) to London’s city center.

  • How long is the flight from Riverside to London, Ontario?

    For as low as $357, WestJet can have you in London, Ontario from Riverside in 6h 51m. Riverside and London, Ontario are separated by a distance of 2090 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

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Alternative routes for Riverside to London

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Top 2 airlines flying from Riverside to London

Discover the top 2 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$183Average$338FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$309Average$438FlexibilityNo cancel feeOn-time67%

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