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Cheap flights from Ontario to Ottawa from $226

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 5/1. 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

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Find the cheapest flights from Ontario to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 5:07 pm
ONT
-
YOW
7h 07m
1 stop
United Airlines Logo
5:25 pm - 10:35 pm
YOW
-
ONT
8h 10m
1 stop
$648United Airlines
Wed, Apr 29 - Sun, May 3
United Airlines Logo
6:30 am - 11:54 pm
ONT
-
YOW
14h 24m
2 stops
United Airlines Logo
6:25 am - 6:19 pm
YOW
-
ONT
14h 54m
1 stop
$653United Airlines
Fri, Aug 7 - Sun, Aug 16
United Airlines Logo
5:10 am - 9:35 pm
ONT
-
YOW
13h 25m
2 stops
United Airlines Logo
5:25 pm - 10:35 pm
YOW
-
ONT
8h 10m
1 stop
$658United Airlines
Wed, Apr 29 - Sun, May 3
United Airlines Logo
11:05 am - 10:03 am
ONT
-
YOW
19h 58m
2 stops
United Airlines Logo
6:25 am - 9:58 pm
YOW
-
ONT
18h 33m
2 stops
$663United Airlines
Wed, Apr 29 - Sun, May 3
United Airlines Logo
7:00 am - 5:07 pm
ONT
-
YOW
7h 07m
1 stop
United Airlines Logo
10:44 am - 10:31 pm
YOW
-
ONT
14h 47m
1 stop
$685United Airlines
Sat, Apr 4 - Sun, Apr 5
United Airlines Logo
6:49 pm - 1:59 pm
ONT
-
YOW
16h 10m
2 stops
United Airlines Logo
5:25 pm - 10:31 pm
YOW
-
ONT
8h 06m
1 stop
$695United Airlines
Mon, Mar 30 - Wed, Apr 1
United Airlines Logo
6:49 pm - 1:59 pm
ONT
-
YOW
16h 10m
2 stops
United Airlines Logo
10:44 am - 9:56 am
YOW
-
ONT
26h 12m
2 stops
$700United Airlines
Mon, Mar 30 - Wed, Apr 1
Air Canada Logo
1:30 pm - 6:00 am
ONT
-
YOW
13h 30m
2 stops
Air Canada Logo
6:00 am - 5:52 pm
YOW
-
ONT
14h 52m
2 stops
$710Air Canada
Sat, May 9 - Sat, May 16
Air Canada Logo
6:59 pm - 5:07 pm
ONT
-
YOW
19h 08m
2 stops
Air Canada Logo
6:25 am - 8:36 pm
YOW
-
ONT
17h 11m
2 stops
$716Air Canada
Sat, May 2 - Tue, May 5
United Airlines Logo
7:00 am - 5:07 pm
ONT
-
YOW
7h 07m
1 stop
United Airlines Logo
6:00 am - 5:52 pm
YOW
-
ONT
14h 52m
2 stops
$721United Airlines
Sat, May 9 - Sat, May 16

WestJet flights from Ontario to Ottawa

Our best WestJet deals on Ontario to Ottawa flight tickets
WestJet
Jun 10
ONT2:00 pmOntario
12h 35m
2 stops
YOW5:35 amOttawa
Sep 10
YOW1:20 pmOttawa
12h 20m
2 stops
ONT10:40 pmOntario
$962
WestJet
May 9
ONT1:35 pmOntario
22h 45m
2 stops
YOW3:20 pmOttawa
May 16
YOW12:25 pmOttawa
13h 09m
3 stops
ONT10:34 pmOntario
$1,015

Air Canada flights from Ontario to Ottawa

Our best Air Canada deals on Ontario to Ottawa flight tickets
Air Canada
May 9
ONT1:30 pmOntario
13h 30m
2 stops
YOW6:00 amOttawa
May 16
YOW6:00 amOttawa
14h 52m
2 stops
ONT5:52 pmOntario
$710
Air Canada
May 2
ONT6:59 pmOntario
19h 08m
2 stops
YOW5:07 pmOttawa
May 5
YOW6:25 amOttawa
17h 11m
2 stops
ONT8:36 pmOntario
$716
Air Canada
Apr 26
ONT6:49 pmOntario
13h 17m
2 stops
YOW11:06 amOttawa
May 9
YOW2:00 pmOttawa
22h 41m
2 stops
ONT9:41 amOntario
$728

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 March 20, 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
Quickest round-trip

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 4/29

7:00 am-5:07 pm

1 stop7h 07m

Ottawa

Sun 5/3

5:25 pm-10:35 pm

1 stop8h 10m

$648

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Fri 8/7

6:30 am-11:54 pm

2 stops14h 24m

Ottawa

Sun 8/16

6:25 am-6:19 pm

1 stop14h 54m

$653

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 4/29

5:10 am-9:35 pm

2 stops13h 25m

Ottawa

Sun 5/3

5:25 pm-10:35 pm

1 stop8h 10m

$658

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Wed 4/29

11:05 am-10:03 am

2 stops19h 58m

Ottawa

Sun 5/3

6:25 am-9:58 pm

2 stops18h 33m

$663

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sat 4/4

7:00 am-5:07 pm

1 stop7h 07m

Ottawa

Sun 4/5

10:44 am-10:31 pm

1 stop14h 47m

$685

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Mon 3/30

6:49 pm-1:59 pm

2 stops16h 10m

Ottawa

Wed 4/1

5:25 pm-10:31 pm

1 stop8h 06m

$695

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Mon 3/30

6:49 pm-1:59 pm

2 stops16h 10m

Ottawa

Wed 4/1

10:44 am-9:56 am

2 stops26h 12m

$700

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sat 5/9

1:30 pm-6:00 am

2 stops13h 30m

Ottawa

Sat 5/16

6:00 am-5:52 pm

2 stops14h 52m

$710

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sat 5/2

6:59 pm-5:07 pm

2 stops19h 08m

Ottawa

Tue 5/5

6:25 am-8:36 pm

2 stops17h 11m

$716

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Sat 5/9

7:00 am-5:07 pm

1 stop7h 07m

Ottawa

Sat 5/16

6:00 am-5:52 pm

2 stops14h 52m

$721

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 65% 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.
Search flight deals

  • 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
Calabogie
Petawawa
Smiths Falls
Brockville
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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