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$125+ Cheap flights from Riverside, CA to Ottawa (YOW)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Ottawa are usually found in May or February, booked 19 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Riverside to Ottawa

Keep the following information in mind while searching for Riverside to Ottawa flight deals. Data was last updated July 31, 2025.

Round-trip from

$243
(Kiwi.com)

One-way from

$125
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$318
From Riverside to Ottawa
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One-way flight from Riverside to Ottawa
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Highest demand for flights based on searches. 26% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Riverside to Ottawa

Cheapest flights from Riverside to Ottawa
Explore the most affordable flight options available from Riverside to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

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.
Sat 8/232:00 pmLAX - YOW
1 stop7h 21mMultiple Airlines
Fri 8/296:10 amYOW - LAX
2 stops11h 02mMultiple Airlines
Deal found 7/31$243
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:00 pmLAX - YOW
1 stop7h 21mPorter Airlines
Fri 8/297:00 amYOW - LAX
1 stop9h 00mPorter Airlines
Deal found 7/31$250
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amLAX - YOW
2 stops14h 22mWestJet
Mon 10/612:20 pmYOW - LAX
2 stops12h 26mWestJet
Deal found 7/29$313
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 pmLAX - YOW
2 stops11h 58mUnited Airlines
Tue 9/22:45 pmYOW - LAX
1 stop12h 49mUnited Airlines
Deal found 7/29$317
This Vliegwinkel 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:00 pmLAX - YOW
1 stop18h 04mSWISS
Fri 8/296:05 amYOW - LAX
1 stop16h 39mSWISS
Deal found 7/31$351

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Ottawa 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 July 31, 2025.
Use the filters below to find and compare flights from Riverside to Ottawa that are best for you.

Fly from

Riverside

Fly to

Ottawa

Route

Depart

Return

Price

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sat 8/23

2:00 pm-12:21 am

1 stop7h 21m

Ottawa

Fri 8/29

6:10 am-2:12 pm

2 stops11h 02m

$243

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sat 8/23

2:00 pm-12:21 am

1 stop7h 21m

Ottawa

Fri 8/29

7:00 am-1:00 pm

1 stop9h 00m

$250

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 10/3

7:00 am-12:22 am

2 stops14h 22m

Ottawa

Mon 10/6

12:20 pm-9:46 pm

2 stops12h 26m

$313

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 8/26

7:00 pm-9:58 am

2 stops11h 58m

Ottawa

Tue 9/2

2:45 pm-12:34 am

1 stop12h 49m

$317

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sat 8/23

5:00 pm-2:04 pm

1 stop18h 04m

Ottawa

Fri 8/29

6:05 am-7:44 pm

1 stop16h 39m

$351

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sun 9/21

11:30 am-2:44 pm

1 stop24h 14m

$125

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 8/26

10:50 pm-2:04 pm

1 stop12h 14m

$127

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 9/5

7:00 am-12:22 am

2 stops14h 22m

$145

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 8/21

2:00 pm-12:21 am

1 stop7h 21m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Riverside to Ottawa

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

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

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

To ensure you get the cheapest price possible for a flight from Riverside to Ottawa, you should look to book at least 19 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 Ottawa?

Currently, January is the cheapest month in which you can book a flight from Riverside to Ottawa (average of $294). Flying from Riverside to Ottawa in September is currently the most expensive (average of $428). 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 YOW?

Find hourly flight availability from Riverside to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Riverside to Ottawa as you normally would.

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

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

Travelers seeking maximum savings on their Riverside to Ottawa flight should consider departing on Monday at noon 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.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, SWISS, and United Airlines from Riverside to Ottawa 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.
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
SWISS
7.5
Good
1,686 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,978 reviews
Porter Airlines
8.0
Very good
318 reviews

Food

7.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Crew

8.7

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from Riverside to Ottawa. 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 Ottawa from Riverside?

    Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly into when you book flights from Riverside to Ottawa. 4 airlines have flights to Ottawa from Riverside on a regular basis. Booking flights from Riverside to Ottawa should not be difficult; the airport handles an average of 0 inbound flights from Riverside per day.

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

    One-way options have recently been found by users for as low as $127 on United Airlines. Other airlines that offer cheap prices include WestJet from $145 and Porter Airlines from $188 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Riverside to Ottawa (average of $294). Flying from Riverside to Ottawa in September is currently the most expensive (average of $428). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Top 4 airlines flying from Riverside to Ottawa

Discover the top 4 airlines that operate flights from Riverside to Ottawa. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$120Average$320FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$167Average$414FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$187Average$379FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$247Average$371FlexibilityNo cancel feeOn-time52%

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