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$83+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Ottawa are usually found in May or July, booked 57 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 September 17, 2025.

Round-trip from

$198
(FlightHub)

One-way from

$83
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$396
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 September 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 September 17, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:10 pmLAX - YOW
2 stops16h 09mWestJet
Sat 10/256:00 amYOW - LAX
2 stops15h 09mWestJet
Deal found 9/16$198
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/87:00 amLAX - YOW
1 stop8h 20mWestJet
Fri 10/175:55 amYOW - LAX
2 stops14h 21mWestJet
Deal found 9/15$199
This Trip.com deal was found by Cheapflights users on 9/15. 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 10/156:55 pmLAX - YOW
1 stop18h 24mWestJet
Fri 10/175:55 amYOW - LAX
2 stops14h 21mWestJet
Deal found 9/15$213
This oojo deal was found by Cheapflights users on 9/15. 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 10/177:00 amLAX - YOW
2 stops14h 22mWestJet
Tue 10/215:55 amYOW - LAX
2 stops14h 21mWestJet
Deal found 9/15$215
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:55 pmLAX - YOW
1 stop18h 24mWestJet
Sun 10/195:55 amYOW - LAX
2 stops14h 21mWestJet
Deal found 9/16$216
This oojo deal was found by Cheapflights users on 9/14. 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 10/169:10 pmLAX - YOW
2 stops16h 09mWestJet
Sun 10/195:55 amYOW - LAX
2 stops14h 21mWestJet
Deal found 9/14$222
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:30 amLAX - YOW
1 stop24h 14mMultiple Airlines
Sat 10/256:00 amYOW - LAX
2 stops15h 09mMultiple Airlines
Deal found 9/16$229
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.
Wed 10/1510:30 pmLAX - YOW
1 stop7h 30mAir Canada
Sun 10/192:40 pmYOW - LAX
1 stop9h 55mAir Canada
Deal found 9/16$232
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:40 amLAX - YOW
1 stop10h 00mWestJet
Sun 10/195:55 amYOW - LAX
2 stops18h 51mWestJet
Deal found 9/16$234
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:30 pmLAX - YOW
1 stop14h 28mMultiple Airlines
Sun 10/192:40 pmYOW - LAX
1 stop9h 55mMultiple Airlines
Deal found 9/14$236

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 September 17, 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

Thu 10/16

9:10 pm-4:19 pm

2 stops16h 09m

Ottawa

Sat 10/25

6:00 am-6:09 pm

2 stops15h 09m

$198

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 10/8

7:00 am-6:20 pm

1 stop8h 20m

Ottawa

Fri 10/17

5:55 am-5:16 pm

2 stops14h 21m

$199

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 10/15

6:55 pm-4:19 pm

1 stop18h 24m

Ottawa

Fri 10/17

5:55 am-5:16 pm

2 stops14h 21m

$213

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 10/16

11:30 am-2:44 pm

1 stop24h 14m

Ottawa

Sat 10/25

6:00 am-6:09 pm

2 stops15h 09m

$229

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 10/16

4:30 pm-9:58 am

1 stop14h 28m

Ottawa

Sun 10/19

2:40 pm-9:35 pm

1 stop9h 55m

$236

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 10/17

7:00 am-12:22 am

2 stops14h 22m

Ottawa

Tue 10/21

7:15 pm-9:46 pm

1 stop29h 31m

$237

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 10/23

9:10 pm-4:19 pm

2 stops16h 09m

Ottawa

Tue 11/4

6:45 am-12:39 pm

1 stop8h 54m

$245

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 10/23

7:00 am-6:20 pm

1 stop8h 20m

Ottawa

Wed 11/5

5:45 pm-10:03 pm

1 stop31h 18m

$248

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 10/24

7:00 am-12:22 am

2 stops14h 22m

Ottawa

Tue 11/4

6:45 am-12:39 pm

1 stop8h 54m

$251

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 10/31

12:15 pm-12:40 am

1 stop9h 25m

Ottawa

Sun 11/2

5:40 am-7:50 pm

2 stops17h 10m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 19 results
1
2

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Riverside to Ottawa, you should look to book at least 57 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 September 17, 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 September 17, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, United Airlines, and WestJet 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
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

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
365 reviews
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

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
8,926 reviews
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

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
3,095 reviews
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

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
365 reviews

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

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 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.

  • How long is the flight from Riverside to Ottawa?

    Airlines like WestJet fly from Riverside to Ottawa in about 16h 09m. The time it takes to get you to your destination can typically vary by up to . There are 2373 mi between Riverside and Ottawa.

  • 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 $85 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $92 and United Airlines from $96 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$120Average$310FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$167Average$412FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$228Average$382FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$246Average$362FlexibilityNo cancel feeOn-time52%

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