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$131+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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

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 octubre 30, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/57:00 amLAX - YOW
2 stops14h 42mWestJet
lun. 12/85:45 pmYOW - LAX
1 stop20h 42mWestJet
Deal found 10/28$313
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:15 pmLAX - YOW
1 stop9h 25mWestJet
lun. 12/85:45 pmYOW - LAX
1 stop31h 18mWestJet
Deal found 10/30$316
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2912:15 pmLAX - YOW
1 stop9h 25mWestJet
lun. 12/85:40 amYOW - LAX
2 stops14h 18mWestJet
Deal found 10/28$319
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/287:00 amLAX - YOW
2 stops14h 42mWestJet
dom. 12/76:00 amYOW - LAX
2 stops15h 32mWestJet
Deal found 10/28$323
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/412:15 pmLAX - YOW
1 stop9h 25mWestJet
lun. 12/85:40 amYOW - LAX
2 stops14h 18mWestJet
Deal found 10/29$325
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/412:15 pmLAX - YOW
1 stop9h 25mWestJet
dom. 12/146:00 amYOW - LAX
2 stops15h 32mWestJet
Deal found 10/29$326
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mié. 12/1712:15 pmLAX - YOW
1 stop9h 25mMultiple Airlines
mié. 12/249:30 amYOW - LAX
1 stop11h 33mMultiple Airlines
Deal found 10/27$329

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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(FlightHub)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$452
Provider with most accurate pricing for Los Angeles-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Ottawa flights.
Search Deals
From Riverside to Ottawa
Search Deals
One-way flight from Riverside to Ottawa
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 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 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 octubre 30, 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

mié. 12/3

12:15 pm-12:40 am

1 stop9h 25m

Ottawa

lun. 12/8

5:45 pm-10:03 pm

1 stop31h 18m

$316

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

jue. 1/15

11:50 am-6:21 pm

2 stops27h 31m

Ottawa

dom. 1/18

5:40 am-6:32 pm

2 stops15h 52m

$338

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

jue. 12/4

12:15 pm-12:40 am

1 stop9h 25m

Ottawa

dom. 12/14

6:00 am-10:03 pm

1 stop19h 03m

$341

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

mar. 12/2

7:00 am-4:53 pm

1 stop30h 53m

Ottawa

mar. 12/9

6:00 am-10:03 pm

1 stop19h 03m

$342

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

jue. 11/27

12:15 pm-12:40 am

1 stop9h 25m

Ottawa

jue. 12/4

6:45 am-12:36 pm

1 stop8h 51m

$375

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

mar. 3/10

6:45 pm-10:26 am

1 stop12h 41m

Ottawa

mié. 3/11

2:15 pm-1:07 am

1 stop13h 52m

$377

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

mar. 11/25

7:20 pm-4:53 pm

2 stops18h 33m

Ottawa

mar. 12/2

5:40 am-10:03 pm

2 stops19h 23m

$391

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

mié. 1/14

12:30 am-5:12 pm

1 stop13h 42m

Ottawa

dom. 1/18

2:50 pm-10:00 pm

1 stop10h 10m

$395

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

sáb. 11/29

11:50 am-2:44 pm

1 stop23h 54m

$150

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

vie. 12/12

3:30 pm-2:44 pm

2 stops20h 14m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 17 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 October 24, 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, May is the cheapest month in which you can book a flight from Riverside to Ottawa (average of $106). Flying from Riverside to Ottawa in September is currently the most expensive (average of $224). 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 octubre 30, 2025.

It’s typically best to fly out from Riverside to Ottawa in the evening. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.

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 Friday mornings when fares are most often at their lowest. Sunday 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 octubre 30, 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
8.0
Very good
384 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
3,149 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
10,377 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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 9h 25m. The time it takes to get you to your destination can typically vary by up to . There are 2373 mi between Riverside and Ottawa.

  • 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, May is the cheapest month in which you can book a flight from Riverside to Ottawa (average of $106). Flying from Riverside to Ottawa in September is currently the most expensive (average of $224). 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$119Average$306FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$183Average$449FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$228Average$406FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$247Average$367FlexibilityNo cancel feeOn-time52%

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