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Cheap flights from Ontario to Ottawa from $187

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Ottawa departing on 6/11. 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

Find the cheapest flights from Ontario to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:45 am - 9:35 pm
ONT
-
YOW
12h 50m
2 stops
United Airlines Logo
10:44 am - 10:46 pm
YOW
-
ONT
15h 02m
1 stop
$623United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
6:30 pm - 4:38 pm
ONT
-
YOW
19h 08m
2 stops
United Airlines Logo
6:25 am - 9:55 pm
YOW
-
ONT
18h 30m
2 stops
$628United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
6:30 pm - 10:03 am
ONT
-
YOW
12h 33m
2 stops
United Airlines Logo
10:44 am - 10:46 pm
YOW
-
ONT
15h 02m
1 stop
$634United Airlines
Wed, May 27 - Wed, Jun 3
United Airlines Logo
1:50 pm - 10:03 am
ONT
-
YOW
17h 13m
2 stops
United Airlines Logo
10:44 am - 5:28 pm
YOW
-
ONT
9h 44m
2 stops
$639United Airlines
Wed, May 27 - Wed, Jun 3
United Airlines Logo
6:30 pm - 10:03 am
ONT
-
YOW
12h 33m
2 stops
United Airlines Logo
5:20 pm - 10:46 pm
YOW
-
ONT
8h 26m
1 stop
$651United Airlines
Wed, Jun 3 - Sun, Jun 7
United Airlines Logo
1:40 pm - 9:11 am
ONT
-
YOW
16h 31m
2 stops
United Airlines Logo
6:10 am - 9:58 pm
YOW
-
ONT
18h 48m
2 stops
$656United Airlines
Tue, May 12 - Sat, May 16
United Airlines Logo
6:30 pm - 10:03 am
ONT
-
YOW
12h 33m
2 stops
United Airlines Logo
5:20 pm - 10:46 pm
YOW
-
ONT
8h 26m
1 stop
$662United Airlines
Wed, Jun 3 - Sun, Jun 7
United Airlines Logo
5:45 am - 1:59 pm
ONT
-
YOW
29h 14m
2 stops
United Airlines Logo
6:25 am - 9:55 pm
YOW
-
ONT
18h 30m
2 stops
$667United Airlines
Wed, Jun 3 - Sun, Jun 7
United Airlines Logo
6:30 am - 9:35 pm
ONT
-
YOW
12h 05m
1 stop
United Airlines Logo
10:44 am - 10:46 pm
YOW
-
ONT
15h 02m
1 stop
$669United Airlines
Sun, Jun 14 - Fri, Jun 19
Multiple Airlines Logo
6:45 am - 12:25 am
ONT
-
YOW
14h 40m
3 stops
Multiple Airlines Logo
4:00 pm - 5:08 pm
YOW
-
ONT
28h 08m
3 stops
$672Multiple Airlines
Tue, May 26 - Sun, May 31

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United Airlines flights from Ontario to Ottawa

Our best United Airlines deals on Ontario to Ottawa flight tickets
United Airlines
Jun 2
ONT5:45 amOntario
12h 50m
2 stops
YOW9:35 pmOttawa
Jun 6
YOW10:44 amOttawa
15h 02m
1 stop
ONT10:46 pmOntario
$623
United Airlines
Jun 2
ONT6:30 pmOntario
19h 08m
2 stops
YOW4:38 pmOttawa
Jun 6
YOW6:25 amOttawa
18h 30m
2 stops
ONT9:55 pmOntario
$628
United Airlines
May 27
ONT6:30 pmOntario
12h 33m
2 stops
YOW10:03 amOttawa
Jun 3
YOW10:44 amOttawa
15h 02m
1 stop
ONT10:46 pmOntario
$634

American Airlines flights from Ontario to Ottawa

Our best American Airlines deals on Ontario to Ottawa flight tickets
American Airlines
May 27
ONT1:10 pmOntario
22h 45m
3 stops
YOW2:55 pmOttawa
Jun 3
YOW7:00 amOttawa
17h 57m
3 stops
ONT9:57 pmOntario
$917
American Airlines
May 12
ONT4:52 pmOntario
19h 03m
3 stops
YOW2:55 pmOttawa
May 16
YOW7:00 amOttawa
15h 34m
3 stops
ONT7:34 pmOntario
$1,113
American Airlines
May 12
ONT12:19 pmOntario
23h 36m
3 stops
YOW2:55 pmOttawa
May 16
YOW7:00 amOttawa
17h 07m
3 stops
ONT9:07 pmOntario
$1,176

momondo Fare Finder

 
Customize your flight search to find flights from Ontario 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, momondo users made 832,500 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Ontario to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 6/2

5:45 am-9:35 pm

2 stops12h 50m

Ottawa

Sat 6/6

10:44 am-10:46 pm

1 stop15h 02m

$623

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 6/2

6:30 pm-4:38 pm

2 stops19h 08m

Ottawa

Sat 6/6

6:25 am-9:55 pm

2 stops18h 30m

$628

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 5/27

6:30 pm-10:03 am

2 stops12h 33m

Ottawa

Wed 6/3

10:44 am-10:46 pm

1 stop15h 02m

$634

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 5/27

1:50 pm-10:03 am

2 stops17h 13m

Ottawa

Wed 6/3

10:44 am-5:28 pm

2 stops9h 44m

$639
Quickest round-trip

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 6/3

6:30 pm-10:03 am

2 stops12h 33m

Ottawa

Sun 6/7

5:20 pm-10:46 pm

1 stop8h 26m

$651

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 5/12

1:40 pm-9:11 am

2 stops16h 31m

Ottawa

Sat 5/16

6:10 am-9:58 pm

2 stops18h 48m

$656

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 6/3

6:30 pm-10:03 am

2 stops12h 33m

Ottawa

Sun 6/7

5:20 pm-10:46 pm

1 stop8h 26m

$662

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 6/3

5:45 am-1:59 pm

2 stops29h 14m

Ottawa

Sun 6/7

6:25 am-9:55 pm

2 stops18h 30m

$667

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sun 6/14

6:30 am-9:35 pm

1 stop12h 05m

Ottawa

Fri 6/19

10:44 am-10:46 pm

1 stop15h 02m

$669

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Tue 5/26

6:45 am-12:25 am

3 stops14h 40m

Ottawa

Sun 5/31

4:00 pm-5:08 pm

3 stops28h 08m

$672

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Ontario to Ottawa

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 Ontario to Ottawa?

United Airlines is the most popular carrier operating from Ontario to Ottawa

What airlines fly to Ottawa?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Ottawa from Ontario according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 6 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Ottawa

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

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

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

Fastest flight time

7h 07m

Direct flights

None
The fastest flight from Ontario to Ottawa takes 7h 07m
There are no direct flights from Ontario to Ottawa. There are no popular flight routes from Ontario to Ottawa.
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Frequently asked questions about flying from Ontario to Ottawa

  • How far is Ontario to Ottawa by plane?

    There are 2330.9 mi between Ontario and Ottawa. In terms of flight time, this usually takes a little over 7h 07m.

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

    Prices for flights from Ontario Airport to Ottawa Airport refresh daily.

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

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

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Petawawa
Smiths Falls
Brockville
Calabogie
Perth
Prescott
Winchester
Wakefield

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Ottawa. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ottawa from Ontario with this policy.

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

momondo helps you find the best flight between Ontario and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ottawa from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ottawa trip

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