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Cheap flights from Ottawa to Los Angeles from $218

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 6/15. 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
0 bags

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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
5:20 pm - 10:46 pm
YOW
-
ONT
8h 26m
1 stop
United Airlines Logo
5:45 am - 9:11 am
ONT
-
YOW
24h 26m
2 stops
$486United Airlines
Wed, Jun 3 - Sat, Jun 6
United Airlines Logo
5:20 pm - 10:46 pm
YOW
-
ONT
8h 26m
1 stop
United Airlines Logo
5:45 am - 9:11 am
ONT
-
YOW
24h 26m
2 stops
$488United Airlines
Wed, Jun 3 - Sat, Jun 6
United Airlines Logo
5:25 pm - 10:35 pm
YOW
-
ONT
8h 10m
1 stop
United Airlines Logo
1:40 pm - 1:59 pm
ONT
-
YOW
21h 19m
2 stops
$506United Airlines
Mon, May 11 - Wed, May 13
United Airlines Logo
5:25 pm - 10:51 pm
YOW
-
ONT
8h 26m
1 stop
United Airlines Logo
6:30 pm - 10:03 am
ONT
-
YOW
12h 33m
2 stops
$515United Airlines
Sun, May 24 - Sun, May 31
United Airlines Logo
5:20 pm - 10:51 pm
YOW
-
ONT
8h 31m
1 stop
United Airlines Logo
6:30 am - 5:07 pm
ONT
-
YOW
7h 37m
1 stop
$526United Airlines
Thu, Aug 6 - Sun, Aug 9
United Airlines Logo
6:25 am - 6:19 pm
YOW
-
ONT
14h 54m
1 stop
United Airlines Logo
7:00 am - 9:35 pm
ONT
-
YOW
11h 35m
1 stop
$527United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
5:20 pm - 10:51 pm
YOW
-
ONT
8h 31m
1 stop
United Airlines Logo
1:50 pm - 1:59 pm
ONT
-
YOW
21h 09m
2 stops
$528United Airlines
Thu, Aug 6 - Mon, Aug 10
United Airlines Logo
7:30 pm - 9:41 am
YOW
-
ONT
17h 11m
2 stops
United Airlines Logo
1:30 pm - 1:59 pm
ONT
-
YOW
21h 29m
2 stops
$533United Airlines
Mon, May 11 - Tue, May 19
United Airlines Logo
10:44 am - 8:04 pm
YOW
-
ONT
12h 20m
2 stops
United Airlines Logo
6:30 pm - 10:03 am
ONT
-
YOW
12h 33m
2 stops
$534United Airlines
Sun, May 24 - Sun, May 31
United Airlines Logo
10:37 am - 6:19 pm
YOW
-
ONT
10h 42m
1 stop
United Airlines Logo
5:00 am - 9:35 pm
ONT
-
YOW
13h 35m
2 stops
$535United Airlines
Tue, Aug 25 - Sat, Aug 29

United Airlines flights from Ottawa to Ontario

Our best United Airlines deals on Ottawa to Ontario flight tickets
United Airlines
Jun 3
YOW10:44 amOttawa
9h 44m
2 stops
ONT5:28 pmOntario
Jun 6
ONT5:45 amOntario
24h 26m
2 stops
YOW9:11 amOttawa
$486
United Airlines
Jun 3
YOW10:44 amOttawa
14h 53m
2 stops
ONT10:37 pmOntario
Jun 6
ONT5:45 amOntario
24h 26m
2 stops
YOW9:11 amOttawa
$488
United Airlines
May 11
YOW5:25 pmOttawa
8h 10m
1 stop
ONT10:35 pmOntario
May 13
ONT1:40 pmOntario
21h 19m
2 stops
YOW1:59 pmOttawa
$506

Delta flights from Ottawa to Ontario

Our best Delta deals on Ottawa to Ontario flight tickets
Delta
May 12
YOW6:55 amOttawa
17h 53m
2 stops
ONT9:48 pmOntario
May 22
ONT10:00 pmOntario
16h 35m
2 stops
YOW5:35 pmOttawa
$694
Delta
May 12
YOW6:55 amOttawa
17h 53m
2 stops
ONT9:48 pmOntario
May 20
ONT10:00 pmOntario
16h 35m
2 stops
YOW5:35 pmOttawa
$709
Delta
May 13
YOW6:55 amOttawa
17h 53m
2 stops
ONT9:48 pmOntario
May 22
ONT10:00 pmOntario
16h 35m
2 stops
YOW5:35 pmOttawa
$714

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 May 1, 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

Wed 6/3

5:20 pm-10:46 pm

1 stop8h 26m

Ontario

Sat 6/6

5:45 am-9:11 am

2 stops24h 26m

$486

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 6/3

5:20 pm-10:46 pm

1 stop8h 26m

Ontario

Sat 6/6

5:45 am-9:11 am

2 stops24h 26m

$488

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Mon 5/11

5:25 pm-10:35 pm

1 stop8h 10m

Ontario

Wed 5/13

1:40 pm-1:59 pm

2 stops21h 19m

$506

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 5/24

5:25 pm-10:51 pm

1 stop8h 26m

Ontario

Sun 5/31

6:30 pm-10:03 am

2 stops12h 33m

$515
Quickest round-trip

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 8/6

5:20 pm-10:51 pm

1 stop8h 31m

Ontario

Sun 8/9

6:30 am-5:07 pm

1 stop7h 37m

$526

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Tue 8/25

6:25 am-6:19 pm

1 stop14h 54m

Ontario

Sat 8/29

7:00 am-9:35 pm

1 stop11h 35m

$527

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 8/6

5:20 pm-10:51 pm

1 stop8h 31m

Ontario

Mon 8/10

1:50 pm-1:59 pm

2 stops21h 09m

$528

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Mon 5/11

7:30 pm-9:41 am

2 stops17h 11m

Ontario

Tue 5/19

1:30 pm-1:59 pm

2 stops21h 29m

$533

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 5/24

10:44 am-8:04 pm

2 stops12h 20m

Ontario

Sun 5/31

6:30 pm-10:03 am

2 stops12h 33m

$534

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Tue 8/25

10:37 am-6:19 pm

1 stop10h 42m

Ontario

Sat 8/29

5:00 am-9:35 pm

2 stops13h 35m

$535

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 10m

Direct flights

None
The fastest flight from Ottawa to Ontario takes 8h 10m
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 10m 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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