Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ottawa to Los Angeles from $208

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 4/12. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
5:25 pm - 10:35 pm
YOW
-
ONT
8h 10m
1 stop
United Airlines Logo
7:00 am - 9:35 pm
ONT
-
YOW
11h 35m
1 stop
$497United Airlines
Thu, May 14 - Sun, May 17
United Airlines Logo
10:44 am - 10:46 pm
YOW
-
ONT
15h 02m
1 stop
United Airlines Logo
6:30 am - 9:35 pm
ONT
-
YOW
12h 05m
1 stop
$508United 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
6:30 am - 9:35 pm
ONT
-
YOW
12h 05m
1 stop
$509United Airlines
Wed, Jun 3 - Sat, Jun 6
United Airlines Logo
6:25 am - 5:28 pm
YOW
-
ONT
14h 03m
2 stops
United Airlines Logo
5:45 am - 9:35 pm
ONT
-
YOW
12h 50m
2 stops
$510United Airlines
Wed, Jun 3 - Sat, Jun 6
United Airlines Logo
5:11 pm - 10:18 pm
YOW
-
ONT
8h 07m
1 stop
United Airlines Logo
5:10 am - 10:05 pm
ONT
-
YOW
13h 55m
2 stops
$518United Airlines
Sat, Mar 28 - Fri, Apr 3
United Airlines Logo
5:25 pm - 10:31 pm
YOW
-
ONT
8h 06m
1 stop
United Airlines Logo
7:00 am - 9:35 pm
ONT
-
YOW
11h 35m
1 stop
$524United Airlines
Tue, Apr 28 - Tue, May 5
Lufthansa Logo
10:44 am - 10:35 pm
YOW
-
ONT
14h 51m
1 stop
Lufthansa Logo
7:00 am - 9:35 pm
ONT
-
YOW
11h 35m
1 stop
$526Lufthansa
Thu, Apr 30 - Thu, May 7
United Airlines Logo
5:25 pm - 10:31 pm
YOW
-
ONT
8h 06m
1 stop
United Airlines Logo
5:10 am - 11:54 pm
ONT
-
YOW
15h 44m
2 stops
$535United Airlines
Mon, Apr 6 - Mon, Apr 13
United Airlines Logo
5:25 pm - 10:35 pm
YOW
-
ONT
8h 10m
1 stop
United Airlines Logo
6:30 am - 9:35 pm
ONT
-
YOW
12h 05m
1 stop
$536United Airlines
Sun, May 17 - Sun, May 31
United Airlines Logo
5:20 pm - 10:26 pm
YOW
-
ONT
8h 06m
1 stop
United Airlines Logo
7:00 am - 5:07 pm
ONT
-
YOW
7h 07m
1 stop
$537United Airlines
Sun, Mar 29 - Tue, Apr 7

American Airlines flights from Ottawa to Ontario

Our best American Airlines deals on Ottawa to Ontario flight tickets
American Airlines
Mar 29
YOW6:45 amOttawa
17h 49m
2 stops
ONT9:34 pmOntario
Apr 6
ONT11:59 pmOntario
15h 27m
2 stops
YOW6:26 pmOttawa
$753
American Airlines
Apr 29
YOW6:45 amOttawa
18h 51m
3 stops
ONT10:36 pmOntario
May 6
ONT12:19 pmOntario
23h 36m
3 stops
YOW2:55 pmOttawa
$781
American Airlines
Mar 30
YOW6:45 amOttawa
18h 45m
2 stops
ONT10:30 pmOntario
Apr 6
ONT11:59 pmOntario
15h 27m
2 stops
YOW6:26 pmOttawa
$791

Air Canada flights from Ottawa to Ontario

Our best Air Canada deals on Ottawa to Ontario flight tickets
Air Canada
May 2
YOW10:44 amOttawa
12h 52m
2 stops
ONT8:36 pmOntario
May 9
ONT6:00 amOntario
12h 16m
2 stops
YOW9:16 pmOttawa
$636
Air Canada
Apr 11
YOW12:00 pmOttawa
11h 36m
2 stops
ONT8:36 pmOntario
Apr 17
ONT6:45 pmOntario
11h 36m
2 stops
YOW9:21 amOttawa
$644
Air Canada
Apr 30
YOW10:15 amOttawa
10h 37m
2 stops
ONT5:52 pmOntario
May 7
ONT5:00 amOntario
11h 11m
2 stops
YOW7:11 pmOttawa
$659

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 March 18, 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

Thu 5/14

5:25 pm-10:35 pm

1 stop8h 10m

Ontario

Sun 5/17

7:00 am-9:35 pm

1 stop11h 35m

$497

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 6/3

10:44 am-10:46 pm

1 stop15h 02m

Ontario

Sat 6/6

6:30 am-9:35 pm

1 stop12h 05m

$508

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 6/3

5:20 pm-10:46 pm

1 stop8h 26m

Ontario

Sat 6/6

6:30 am-9:35 pm

1 stop12h 05m

$509

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Wed 6/3

6:25 am-5:28 pm

2 stops14h 03m

Ontario

Sat 6/6

5:45 am-9:35 pm

2 stops12h 50m

$510

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 3/28

5:11 pm-10:18 pm

1 stop8h 07m

Ontario

Fri 4/3

5:10 am-10:05 pm

2 stops13h 55m

$518

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Tue 4/28

5:25 pm-10:31 pm

1 stop8h 06m

Ontario

Tue 5/5

7:00 am-9:35 pm

1 stop11h 35m

$524

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Thu 4/30

10:44 am-10:35 pm

1 stop14h 51m

Ontario

Thu 5/7

7:00 am-9:35 pm

1 stop11h 35m

$526

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Mon 4/6

5:25 pm-10:31 pm

1 stop8h 06m

Ontario

Mon 4/13

5:10 am-11:54 pm

2 stops15h 44m

$535

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 5/17

5:25 pm-10:35 pm

1 stop8h 10m

Ontario

Sun 5/31

6:30 am-9:35 pm

1 stop12h 05m

$536
Quickest round-trip

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sun 3/29

5:20 pm-10:26 pm

1 stop8h 06m

Ontario

Tue 4/7

7:00 am-5:07 pm

1 stop7h 07m

$537

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

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 64% 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 06m

Direct flights

None
The fastest flight from Ottawa to Ontario takes 8h 06m
There are no direct flights from Ottawa to Ontario. There are no popular flight routes from Ottawa to Ontario.
Search flight deals

  • 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 06m 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/17
Fri 4/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States