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Cheap flights from Ottawa to Los Angeles from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Los Angeles departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ottawa to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:37 am - 8:01 pm
YOW
-
ONT
12h 24m
2 stops
United Airlines Logo
5:00 am - 9:35 pm
ONT
-
YOW
13h 35m
2 stops
$607United Airlines
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
8:35 am - 10:40 pm
YOW
-
ONT
17h 05m
2 stops
Multiple Airlines Logo
11:54 am - 5:35 am
ONT
-
YOW
14h 41m
2 stops
$609Multiple Airlines
Sat, Sep 19 - Wed, Sep 23
WestJet Logo
8:15 pm - 10:45 pm
YOW
-
ONT
29h 30m
2 stops
WestJet Logo
6:20 am - 7:20 pm
ONT
-
YOW
34h 00m
2 stops
$643WestJet
Thu, Aug 20 - Wed, Aug 26
United Airlines Logo
10:37 am - 10:59 pm
YOW
-
ONT
15h 22m
2 stops
United Airlines Logo
1:18 pm - 9:11 am
ONT
-
YOW
16h 53m
2 stops
$658United Airlines
Fri, Aug 14 - Sun, Aug 30
Multiple Airlines Logo
8:15 pm - 5:21 pm
YOW
-
ONT
24h 06m
2 stops
Multiple Airlines Logo
6:20 am - 12:25 am
ONT
-
YOW
15h 05m
3 stops
$663Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
United Airlines Logo
6:15 am - 6:44 pm
YOW
-
ONT
15h 29m
1 stop
United Airlines Logo
6:45 am - 9:31 pm
ONT
-
YOW
11h 46m
1 stop
$672United Airlines
Sat, Dec 19 - Thu, Dec 31
United Airlines Logo
6:00 am - 10:49 pm
YOW
-
ONT
19h 49m
3 stops
United Airlines Logo
8:03 am - 1:59 pm
ONT
-
YOW
26h 56m
3 stops
$673United Airlines
Sun, Sep 27 - Tue, Sep 29
United Airlines Logo
6:15 am - 6:44 pm
YOW
-
ONT
15h 29m
1 stop
United Airlines Logo
6:45 am - 9:31 pm
ONT
-
YOW
11h 46m
1 stop
$674United Airlines
Sun, Dec 20 - Tue, Jan 5
United Airlines Logo
10:37 am - 10:59 pm
YOW
-
ONT
15h 22m
1 stop
United Airlines Logo
6:00 am - 1:59 pm
ONT
-
YOW
28h 59m
2 stops
$685United Airlines
Sun, Sep 13 - Sun, Sep 20
United Airlines Logo
6:15 am - 6:44 pm
YOW
-
ONT
15h 29m
1 stop
United Airlines Logo
1:42 pm - 2:12 pm
ONT
-
YOW
21h 30m
2 stops
$686United Airlines
Sat, Dec 19 - Sat, Dec 26

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WestJet flights from Ottawa to Ontario

Our best WestJet deals on Ottawa to Ontario flight tickets
WestJet
Aug 20
YOW8:15 pmOttawa
29h 30m
2 stops
ONT10:45 pmOntario
Aug 26
ONT6:20 amOntario
34h 00m
2 stops
YOW7:20 pmOttawa
$643
WestJet
Aug 29
YOW6:00 amOttawa
19h 45m
2 stops
ONT10:45 pmOntario
Sep 5
ONT3:35 pmOntario
30h 05m
2 stops
YOW12:40 amOttawa
$721
WestJet
Aug 20
YOW1:20 pmOttawa
12h 25m
2 stops
ONT10:45 pmOntario
Aug 25
ONT6:20 amOntario
34h 00m
2 stops
YOW7:20 pmOttawa
$818

United Airlines flights from Ottawa to Ontario

Our best United Airlines deals on Ottawa to Ontario flight tickets
United Airlines
Sep 19
YOW10:37 amOttawa
12h 24m
2 stops
ONT8:01 pmOntario
Sep 22
ONT5:00 amOntario
13h 35m
2 stops
YOW9:35 pmOttawa
$607
United Airlines
Aug 14
YOW10:37 amOttawa
15h 22m
2 stops
ONT10:59 pmOntario
Aug 30
ONT1:18 pmOntario
16h 53m
2 stops
YOW9:11 amOttawa
$658
United Airlines
Dec 19
YOW6:15 amOttawa
15h 29m
1 stop
ONT6:44 pmOntario
Dec 31
ONT6:45 amOntario
11h 46m
1 stop
YOW9:31 pmOttawa
$672

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Ontario 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, momondo users made 832,500 searches. Data last updated August 3, 2026.
Use the filters below to find and compare flights from Ottawa to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 9/19

10:37 am-8:01 pm

2 stops12h 24m

Ontario

Tue 9/22

5:00 am-9:35 pm

2 stops13h 35m

$607

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 9/19

8:35 am-10:40 pm

2 stops17h 05m

Ontario

Wed 9/23

11:54 am-5:35 am

2 stops14h 41m

$609

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 8/20

8:15 pm-10:45 pm

2 stops29h 30m

Ontario

Wed 8/26

6:20 am-7:20 pm

2 stops34h 00m

$643

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Fri 8/14

10:37 am-10:59 pm

2 stops15h 22m

Ontario

Sun 8/30

1:18 pm-9:11 am

2 stops16h 53m

$658

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 8/20

8:15 pm-5:21 pm

2 stops24h 06m

Ontario

Wed 8/26

6:20 am-12:25 am

3 stops15h 05m

$663

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 12/19

6:15 am-6:44 pm

1 stop15h 29m

Ontario

Thu 12/31

6:45 am-9:31 pm

1 stop11h 46m

$672

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 9/27

6:00 am-10:49 pm

3 stops19h 49m

Ontario

Tue 9/29

8:03 am-1:59 pm

3 stops26h 56m

$673

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 12/20

6:15 am-6:44 pm

1 stop15h 29m

Ontario

Tue 1/5

6:45 am-9:31 pm

1 stop11h 46m

$674

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 9/13

10:37 am-10:59 pm

1 stop15h 22m

Ontario

Sun 9/20

6:00 am-1:59 pm

2 stops28h 59m

$685

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 12/19

6:15 am-6:44 pm

1 stop15h 29m

Ontario

Sat 12/26

1:42 pm-2:12 pm

2 stops21h 30m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ottawa to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ottawa to Ontario?

United Airlines and WestJet are the most popular carriers operating from Ottawa to Ontario

What airlines fly to Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Ontario from Ottawa according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Ottawa to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Ontario (YOW to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Ontario

Fastest flight time

8h 29m

Direct flights

None
The fastest flight from Ottawa to Ontario takes 8h 29m
There are no direct flights from Ottawa to Ontario. There are no popular flight routes from Ottawa to Ontario.
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Frequently asked questions about flying from Ottawa to Ontario

  • How far is Ottawa to Ontario by plane?

    The straight-line distance from Ottawa to Ontario is 2330.9 mi. Typically, this will take 8h 29m by plane in normal conditions.

  • When did momondo last update prices for flights from Ottawa Airport to Ontario Airport?

    Prices for flights from Ottawa Airport to Ontario Airport are updated daily.

  • How old do you have to be to fly from Ottawa Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ottawa to Ontario with flexible booking policies on momondo?

Flights from Ottawa to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ottawa to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to Ontario.

I’m not ready to book a flight from Ottawa to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Ottawa and alert you when they change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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