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Cheap flights from Ottawa to Los Angeles from $249

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 7/28. 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
6:25 am - 9:55 pm
YOW
-
ONT
18h 30m
2 stops
United Airlines Logo
6:10 am - 9:35 pm
ONT
-
YOW
12h 25m
1 stop
$619United Airlines
Sat, Jul 11 - Fri, Jul 17
United Airlines Logo
6:25 am - 9:55 pm
YOW
-
ONT
18h 30m
2 stops
United Airlines Logo
1:50 pm - 5:07 pm
ONT
-
YOW
24h 17m
2 stops
$620United Airlines
Fri, Jul 10 - Mon, Jul 13
United Airlines Logo
5:20 pm - 10:51 pm
YOW
-
ONT
8h 31m
1 stop
United Airlines Logo
6:39 pm - 10:03 am
ONT
-
YOW
12h 24m
2 stops
$622United Airlines
Mon, Jun 29 - Fri, Jul 3
Air Canada Logo
6:25 am - 8:01 pm
YOW
-
ONT
16h 36m
2 stops
Air Canada Logo
5:00 am - 9:35 pm
ONT
-
YOW
13h 35m
2 stops
$651Air Canada
Wed, Sep 23 - Sat, Sep 26
Air Canada Logo
6:25 am - 10:59 pm
YOW
-
ONT
19h 34m
2 stops
Air Canada Logo
5:00 am - 9:35 pm
ONT
-
YOW
13h 35m
2 stops
$652Air Canada
Fri, Sep 18 - Tue, Sep 22
Air Canada Logo
6:25 am - 10:59 pm
YOW
-
ONT
19h 34m
2 stops
Air Canada Logo
1:18 pm - 1:59 pm
ONT
-
YOW
21h 41m
2 stops
$653Air Canada
Fri, Sep 18 - Tue, Sep 22
Air Canada Logo
5:10 am - 8:53 pm
YOW
-
ONT
18h 43m
2 stops
Air Canada Logo
5:00 am - 9:35 pm
ONT
-
YOW
13h 35m
2 stops
$661Air Canada
Fri, Sep 18 - Tue, Sep 22
United Airlines Logo
10:37 am - 7:57 pm
YOW
-
ONT
12h 20m
1 stop
United Airlines Logo
6:00 am - 9:35 pm
ONT
-
YOW
12h 35m
2 stops
$672United Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
6:00 am - 9:59 pm
YOW
-
ONT
18h 59m
2 stops
United Airlines Logo
7:00 am - 9:35 pm
ONT
-
YOW
11h 35m
1 stop
$673United Airlines
Thu, Sep 24 - Thu, Oct 15
United Airlines Logo
6:00 am - 8:53 pm
YOW
-
ONT
17h 53m
2 stops
United Airlines Logo
7:00 am - 9:35 pm
ONT
-
YOW
11h 35m
1 stop
$674United Airlines
Fri, Sep 18 - Tue, Sep 22

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United Airlines flights from Ottawa to Ontario

Our best United Airlines deals on Ottawa to Ontario flight tickets
United Airlines
Jul 11
YOW10:44 amOttawa
15h 07m
1 stop
ONT10:51 pmOntario
Jul 17
ONT6:10 amOntario
12h 25m
1 stop
YOW9:35 pmOttawa
$619
United Airlines
Jul 3
YOW10:00 amOttawa
14h 55m
2 stops
ONT9:55 pmOntario
Jul 10
ONT6:10 amOntario
12h 25m
1 stop
YOW9:35 pmOttawa
$620
United Airlines
Jun 29
YOW5:20 pmOttawa
8h 31m
1 stop
ONT10:51 pmOntario
Jul 3
ONT6:39 pmOntario
12h 24m
2 stops
YOW10:03 amOttawa
$622

Porter Airlines flights from Ottawa to Ontario

Our best Porter Airlines deals on Ottawa to Ontario flight tickets
Porter Airlines
Jun 29
YOW3:30 pmOttawa
23h 19m
3 stops
ONT11:49 amOntario
Jul 3
ONT10:00 pmOntario
18h 44m
3 stops
YOW7:44 pmOttawa
$834
Porter Airlines
Jun 29
YOW9:05 amOttawa
16h 31m
2 stops
ONT10:36 pmOntario
Jul 3
ONT10:00 pmOntario
18h 44m
3 stops
YOW7:44 pmOttawa
$870

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 June 19, 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

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 7/11

6:25 am-9:55 pm

2 stops18h 30m

Ontario

Fri 7/17

6:10 am-9:35 pm

1 stop12h 25m

$619

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Fri 7/10

6:25 am-9:55 pm

2 stops18h 30m

Ontario

Mon 7/13

1:50 pm-5:07 pm

2 stops24h 17m

$620
Quickest round-trip

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Mon 6/29

5:20 pm-10:51 pm

1 stop8h 31m

Ontario

Fri 7/3

6:39 pm-10:03 am

2 stops12h 24m

$622

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 9/23

6:25 am-8:01 pm

2 stops16h 36m

Ontario

Sat 9/26

5:00 am-9:35 pm

2 stops13h 35m

$651

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Fri 9/18

6:25 am-10:59 pm

2 stops19h 34m

Ontario

Tue 9/22

5:00 am-9:35 pm

2 stops13h 35m

$652

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Fri 9/18

6:25 am-10:59 pm

2 stops19h 34m

Ontario

Tue 9/22

1:18 pm-1:59 pm

2 stops21h 41m

$653

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Fri 9/18

5:10 am-8:53 pm

2 stops18h 43m

Ontario

Tue 9/22

5:00 am-9:35 pm

2 stops13h 35m

$661

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 9/23

10:37 am-7:57 pm

1 stop12h 20m

Ontario

Sat 9/26

6:00 am-9:35 pm

2 stops12h 35m

$672

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 9/24

6:00 am-9:59 pm

2 stops18h 59m

Ontario

Thu 10/15

7:00 am-9:35 pm

1 stop11h 35m

$673

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Fri 9/18

6:00 am-8:53 pm

2 stops17h 53m

Ontario

Tue 9/22

7:00 am-9:35 pm

1 stop11h 35m

$674

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 is the most popular carrier 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 68% 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 31m

Direct flights

None
The fastest flight from Ottawa to Ontario takes 8h 31m
There are no direct flights from Ottawa to Ontario. There are no popular flight routes from Ottawa to Ontario.
Search flight deals

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 31m 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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Sun 7/19
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