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Cheap flights from Ontario to Ottawa from $260

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 10/17. 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 Ontario to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:00 am - 5:35 amONT  Ontario-YOW Ottawa
20h 35m2 stops Seattle/Tacoma Intl Calgary
WestJet Logo
8:15 pm - 10:40 pmYOW  Ottawa-ONT Ontario
29h 25m2 stops Calgary Seattle/Tacoma Intl
$702WestJet
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
6:00 am - 5:35 amONT  Ontario-YOW Ottawa
20h 35m2 stops Seattle/Tacoma Intl Calgary
Multiple Airlines Logo
2:00 pm - 10:40 pmYOW  Ottawa-ONT Ontario
35h 40m3 stops Hamilton Calgary Seattle/Tacoma Intl
$702Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
11:54 am - 2:55 pmONT  Ontario-YOW Ottawa
24h 01m3 stops Seattle/Tacoma Intl Calgary Toronto Pearson Intl
Multiple Airlines Logo
2:00 pm - 10:40 pmYOW  Ottawa-ONT Ontario
35h 40m3 stops Hamilton Calgary Seattle/Tacoma Intl
$712Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Air Canada Logo
5:00 am - 7:45 pmONT  Ontario-YOW Ottawa
11h 45m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
2:35 pm - 8:58 pmYOW  Ottawa-ONT Ontario
9h 23m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
$823Air Canada
Tue, Oct 20 - Sat, Oct 24
Multiple Airlines Logo
11:13 am - 5:35 amONT  Ontario-YOW Ottawa
15h 22m2 stops Seattle/Tacoma Intl Calgary
Multiple Airlines Logo
6:00 am - 6:00 pmYOW  Ottawa-ONT Ontario
15h 00m2 stops Calgary Seattle/Tacoma Intl
$838Multiple Airlines
Wed, Oct 21 - Tue, Oct 27
Air Canada Logo
1:18 pm - 9:05 amONT  Ontario-YOW Ottawa
16h 47m2 stops Denver Intl Toronto Pearson Intl
Air Canada Logo
5:10 am - 12:50 pmYOW  Ottawa-ONT Ontario
10h 40m2 stops Toronto Pearson Intl Denver Intl
$846Air Canada
Fri, Sep 4 - Fri, Sep 11
American Airlines Logo
4:29 pm - 2:55 pmONT  Ontario-YOW Ottawa
19h 26m3 stops Phoenix Sky Harbor Intl Philadelphia Toronto Pearson Intl
American Airlines Logo
7:00 am - 9:04 amYOW  Ottawa-ONT Ontario
29h 04m3 stops Toronto Pearson Intl Chicago O'Hare Intl Phoenix Sky Harbor Intl
$848American Airlines
Wed, Oct 21 - Tue, Oct 27
Air Canada Logo
1:18 pm - 9:05 amONT  Ontario-YOW Ottawa
16h 47m2 stops Denver Intl Toronto Pearson Intl
Air Canada Logo
12:00 pm - 8:53 pmYOW  Ottawa-ONT Ontario
11h 53m2 stops Toronto Pearson Intl Denver Intl
$891Air Canada
Fri, Sep 4 - Fri, Sep 11
United Airlines Logo
7:00 am - 9:35 pmONT  Ontario-YOW Ottawa
11h 35m1 stop Chicago O'Hare Intl
United Airlines Logo
10:37 am - 10:49 pmYOW  Ottawa-ONT Ontario
15h 12m1 stop Chicago O'Hare Intl
$894United Airlines
Thu, Oct 1 - Sat, Oct 3
United Airlines Logo
7:00 am - 5:16 pmONT  Ontario-YOW Ottawa
7h 16m1 stop Chicago O'Hare Intl
United Airlines Logo
6:15 am - 6:47 pmYOW  Ottawa-ONT Ontario
15h 32m1 stop Chicago O'Hare Intl
$894United Airlines
Wed, Oct 21 - Tue, Oct 27

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United Airlines flights from Ontario to Ottawa

Our best United Airlines deals on Ontario to Ottawa flight tickets
United Airlines
Oct 1
ONT7:00 amOntario
11h 35m
1 stop
YOW9:35 pmOttawa
Oct 3
YOW10:37 amOttawa
15h 12m
1 stop
ONT10:49 pmOntario
$894
United Airlines
Oct 20
ONT6:00 amOntario
12h 35m
2 stops
YOW9:35 pmOttawa
Oct 24
YOW5:20 pmOttawa
8h 29m
1 stop
ONT10:49 pmOntario
$899
United Airlines
Oct 1
ONT6:00 amOntario
24h 11m
2 stops
YOW9:11 amOttawa
Oct 3
YOW10:37 amOttawa
15h 12m
1 stop
ONT10:49 pmOntario
$903

Air Canada flights from Ontario to Ottawa

Our best Air Canada deals on Ontario to Ottawa flight tickets
Air Canada
Oct 20
ONT5:00 amOntario
11h 45m
2 stops
YOW7:45 pmOttawa
Oct 24
YOW2:35 pmOttawa
9h 23m
2 stops
ONT8:58 pmOntario
$823
Air Canada
Sep 4
ONT1:18 pmOntario
16h 47m
2 stops
YOW9:05 amOttawa
Sep 11
YOW5:10 amOttawa
10h 40m
2 stops
ONT12:50 pmOntario
$846
Air Canada
Sep 4
ONT1:18 pmOntario
16h 47m
2 stops
YOW9:05 amOttawa
Sep 11
YOW12:00 pmOttawa
11h 53m
2 stops
ONT8:53 pmOntario
$891

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 August 7, 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 Ontario - YOW Ottawa

ONTYOW

Ontario

Wed 9/16

6:00 am-5:35 am

2 stops20h 35m

Ottawa

Wed 9/23

8:15 pm-10:40 pm

2 stops29h 25m

$702

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Wed 9/16

6:00 am-5:35 am

2 stops20h 35m

Ottawa

Wed 9/23

2:00 pm-10:40 pm

3 stops35h 40m

$702

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Wed 9/16

11:54 am-2:55 pm

3 stops24h 01m

Ottawa

Wed 9/23

2:00 pm-10:40 pm

3 stops35h 40m

$712
Quickest round-trip

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Tue 10/20

5:00 am-7:45 pm

2 stops11h 45m

Ottawa

Sat 10/24

2:35 pm-8:58 pm

2 stops9h 23m

$823

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Wed 10/21

11:13 am-5:35 am

2 stops15h 22m

Ottawa

Tue 10/27

6:00 am-6:00 pm

2 stops15h 00m

$838

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Fri 9/4

1:18 pm-9:05 am

2 stops16h 47m

Ottawa

Fri 9/11

5:10 am-12:50 pm

2 stops10h 40m

$846

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Wed 10/21

4:29 pm-2:55 pm

3 stops19h 26m

Ottawa

Tue 10/27

7:00 am-9:04 am

3 stops29h 04m

$848

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Fri 9/4

1:18 pm-9:05 am

2 stops16h 47m

Ottawa

Fri 9/11

12:00 pm-8:53 pm

2 stops11h 53m

$891

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Thu 10/1

7:00 am-9:35 pm

1 stop11h 35m

Ottawa

Sat 10/3

10:37 am-10:49 pm

1 stop15h 12m

$894

OntarioOttawa

ONT Ontario - YOW Ottawa

ONTYOW

Ontario

Wed 10/21

7:00 am-5:16 pm

1 stop7h 16m

Ottawa

Tue 10/27

6:15 am-6:47 pm

1 stop15h 32m

$894

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 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

Can stopping save me money on Ontario to Ottawa flights?

You could potentially save up to 58% on your flight if you consider stops on a Ontario to Ottawa flight.

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 16m

Direct flights

None
The fastest flight from Ontario to Ottawa takes 7h 16m
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 16m.

  • 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
Brockville
Pembroke
Petawawa
Perth
Calabogie
Smiths Falls
Prescott
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.

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