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Cheap flights from Ottawa to Riverside from C$ 155

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Riverside are usually found in May or August, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Ottawa to Riverside

Keep the following information in mind while searching for Ottawa to Riverside flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 349

One-way from

C$ 155

Popular in

December

Cheapest in

May

Average price

C$ 446
WestJet
  • WestJet
  • 17/10-8/11
  • 3 total stops
  • 34h 29m total
  • Ottawa to Riverside
Search Deals
WestJet
  • WestJet
  • 18/10
  • 2 total stops
  • 14h 21m total
  • Ottawa to Riverside
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ottawa to Riverside

Cheapest flights from Ottawa to Riverside
Explore the most affordable flight options available from Ottawa to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Fri 17/105:55 a.m.YOW - LAX
2 stops14h 21mWestJet
Sat 8/115:45 p.m.LAX - YOW
1 stop20h 08mWestJet
Deal found 13/9C$ 349
Sun 19/105:55 a.m.YOW - LAX
2 stops14h 21mWestJet
Sun 26/105:45 p.m.LAX - YOW
2 stops27h 57mWestJet
Deal found 14/9C$ 352
Tue 30/97:15 p.m.YOW - LAX
2 stops28h 06mWestJet
Fri 30/17:00 a.m.LAX - YOW
2 stops14h 42mWestJet
Deal found 13/9C$ 361
Sat 27/92:48 p.m.YOW - LAX
1 stop8h 25mUnited Airlines
Fri 3/1011:59 p.m.LAX - YOW
2 stops11h 27mUnited Airlines
Deal found 13/9C$ 363
Fri 17/102:45 p.m.YOW - LAX
1 stop13h 00mUnited Airlines
Sat 8/1111:20 p.m.LAX - YOW
1 stop14h 52mUnited Airlines
Deal found 13/9C$ 364
Tue 9/125:40 a.m.YOW - LAX
2 stops19h 23mWestJet
Mon 9/37:00 a.m.LAX - YOW
2 stops14h 39mWestJet
Deal found 13/9C$ 392
Mon 8/125:40 a.m.YOW - LAX
2 stops32h 20mWestJet
Sun 8/37:20 p.m.LAX - YOW
2 stops18h 33mWestJet
Deal found 13/9C$ 412
Tue 9/122:50 p.m.YOW - LAX
1 stop9h 00mAir Canada
Mon 9/36:10 p.m.LAX - YOW
1 stop9h 33mAir Canada
Deal found 13/9C$ 415

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Riverside 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 629,999 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Ottawa to Riverside that are best for you.

Fly from

Ottawa

Fly to

Riverside

Route

Depart

Return

Price

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

Los Angeles

Sat 8/11

5:45 p.m.-4:53 p.m.

1 stop20h 08m

C$ 349

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sun 19/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

Los Angeles

Sun 26/10

5:45 p.m.-12:42 a.m.

2 stops27h 57m

C$ 352

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 30/9

7:15 p.m.-8:21 p.m.

2 stops28h 06m

Los Angeles

Fri 30/1

7:00 a.m.-12:42 a.m.

2 stops14h 42m

C$ 361

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 24/10

5:25 p.m.-11:59 p.m.

1 stop9h 34m

Los Angeles

Sat 1/11

6:00 a.m.-5:12 p.m.

1 stop8h 12m

C$ 364

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 30/9

6:33 a.m.-11:19 a.m.

1 stop7h 46m

Los Angeles

Thu 29/1

12:40 a.m.-5:12 p.m.

2 stops13h 32m

C$ 364

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

2:45 p.m.-12:45 a.m.

1 stop13h 00m

Los Angeles

Sat 8/11

11:20 p.m.-5:12 p.m.

1 stop14h 52m

C$ 364

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sat 18/10

9:50 a.m.-9:03 p.m.

1 stop14h 13m

Los Angeles

Fri 7/11

12:25 a.m.-10:26 a.m.

1 stop7h 01m

C$ 364

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 16/10

6:00 a.m.-8:21 p.m.

2 stops17h 21m

C$ 187

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 14/10

7:29 p.m.-9:25 a.m.

1 stop16h 56m

C$ 191

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

7:29 p.m.-9:25 a.m.

1 stop16h 56m

C$ 191

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 15 results
1
2

Best time to book a flight from Ottawa to Riverside

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Riverside. Price data was last updated on 12 September 2025.

The price you pay for your flight from Ottawa to Riverside may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Ottawa to Riverside (average of C$ 231). Flying from Ottawa to Riverside in March is currently the most expensive (average of C$ 295). 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 YOW to R1V?

Find hourly flight availability from Ottawa to Riverside. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from Ottawa to Riverside, 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 Ottawa to Riverside?

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

Travelers seeking maximum savings on their Ottawa to Riverside flight should consider departing on Thursday evenings 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.

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

Reviews of airlines servicing Riverside

Get insights into the airlines that provide service to Riverside. 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 Riverside. Reviews last updated 15 September 2025.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andWestJet from Ottawa to Riverside by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,929 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Riverside. On average, Ottawa has 0 outbound flights to Riverside per day from 4 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to Riverside?

    WestJet and United Airlines can get you from Ottawa to Riverside in just under 9h 34m. Your travel time can differ by up to 4h 47m. The distance from Ottawa to Riverside is about 3819 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Ottawa to Riverside (average of C$ 231). Flying from Ottawa to Riverside in March is currently the most expensive (average of C$ 295). 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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Top 4 airlines flying from Ottawa to Riverside

Discover the top 4 airlines that operate flights from Ottawa to Riverside. 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 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 243AverageC$ 373FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 306AverageC$ 439FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 312AverageC$ 632FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 327AverageC$ 572FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Riverside?

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Why should you use Cheapflights to find cheap flight tickets from Ottawa to Riverside?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Riverside from Ottawa.

Can Cheapflights find flights from Ottawa to Riverside with no change fees?

Yes, we can. To see specific flights from Ottawa to Riverside with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ottawa to Riverside become cheaper?

Not ready to book yet? You can track prices for flights from Ottawa to Riverside on Cheapflights with our Price Alert feature and get notified when better prices are available.

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