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Cheap flights from Ottawa to Brussels from C$ 423

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 Brussels departing on 1/10. 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 Ottawa to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Transat Logo
2:15 p.m. - 7:50 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
11h 35m1 stop Montreal Pierre Elliott Trudeau Intl
Air Transat Logo
9:30 a.m. - 5:35 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
14h 05m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 681Air Transat
Sun, 6 Sep - Sun, 13 Sep
United Airlines Logo
10:00 a.m. - 7:45 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
15h 45m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
12:00 p.m. - 9:11 a.m.BRU  Brussels Bruxelles-National-YOW Ottawa
27h 11m2 stops Washington, D.C. Dulles Intl Newark
C$ 824United Airlines
Thu, 10 Sep - Thu, 17 Sep
United Airlines Logo
3:10 p.m. - 7:45 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
10h 35m1 stop Newark
United Airlines Logo
11:10 a.m. - 1:59 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
32h 49m2 stops Newark Chicago O'Hare Intl
C$ 824United Airlines
Mon, 21 Sep - Mon, 28 Sep
United Airlines Logo
10:37 a.m. - 7:15 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
14h 38m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
12:00 p.m. - 9:35 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
15h 35m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
C$ 824United Airlines
Fri, 11 Sep - Wed, 30 Sep
Multiple Airlines Logo
2:00 p.m. - 7:50 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
12h 50m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 a.m. - 2:12 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
10h 12m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 831Multiple Airlines
Wed, 28 Oct - Mon, 2 Nov
Multiple Airlines Logo
2:55 p.m. - 7:50 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
11h 55m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 a.m. - 2:12 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
10h 12m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 832Multiple Airlines
Wed, 28 Oct - Mon, 2 Nov
Air Canada Logo
12:15 p.m. - 7:50 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
14h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:00 a.m. - 9:52 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
17h 52m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
C$ 848Air Canada
Wed, 28 Oct - Mon, 2 Nov
Air Canada Logo
11:15 a.m. - 7:50 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
14h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
9:10 a.m. - 4:32 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
13h 22m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
C$ 857Air Canada
Wed, 7 Oct - Sun, 11 Oct
Brussels Airlines Logo
3:10 p.m. - 7:10 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
10h 00m1 stop Montreal Pierre Elliott Trudeau Intl
Brussels Airlines Logo
9:10 a.m. - 1:54 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
10h 44m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 1,010Brussels Airlines
Sun, 27 Sep - Sun, 4 Oct
Brussels Airlines Logo
3:10 p.m. - 2:35 p.m.YOW  Ottawa-BRU Brussels Bruxelles-National
17h 25m2 stops Montreal Pierre Elliott Trudeau Intl Lyon-Saint Exupéry
Brussels Airlines Logo
6:25 a.m. - 1:54 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
13h 29m2 stops Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl
C$ 1,063Brussels Airlines
Mon, 28 Sep - Mon, 5 Oct

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Air Canada flights from Ottawa to Brussels

Our best Air Canada deals on Ottawa to Brussels flight tickets
Air Canada
19 Aug
YOW5:30 p.m.Ottawa
32h 20m
1 stop
BRU7:50 a.m.Brussels Bruxelles-National
2 Sep
BRU9:55 a.m.Brussels Bruxelles-National
10h 53m
1 stop
YOW2:48 p.m.Ottawa
C$ 838
Air Canada
19 Aug
YOW5:30 p.m.Ottawa
32h 20m
1 stop
BRU7:50 a.m.Brussels Bruxelles-National
3 Sep
BRU9:30 a.m.Brussels Bruxelles-National
18h 22m
2 stops
YOW9:52 p.m.Ottawa
C$ 842
Air Canada
28 Oct
YOW12:15 p.m.Ottawa
14h 35m
2 stops
BRU7:50 a.m.Brussels Bruxelles-National
2 Nov
BRU10:00 a.m.Brussels Bruxelles-National
17h 52m
2 stops
YOW9:52 p.m.Ottawa
C$ 848

United Airlines flights from Ottawa to Brussels

Our best United Airlines deals on Ottawa to Brussels flight tickets
United Airlines
21 Sep
YOW6:25 a.m.Ottawa
18h 50m
2 stops
BRU7:15 a.m.Brussels Bruxelles-National
28 Sep
BRU11:10 a.m.Brussels Bruxelles-National
18h 44m
2 stops
YOW11:54 p.m.Ottawa
C$ 824
United Airlines
21 Sep
YOW6:00 a.m.Ottawa
21h 00m
3 stops
BRU9:00 a.m.Brussels Bruxelles-National
10 Oct
BRU11:10 a.m.Brussels Bruxelles-National
11h 28m
1 stop
YOW4:38 p.m.Ottawa
C$ 825
United Airlines
12 Sep
YOW6:25 a.m.Ottawa
18h 50m
2 stops
BRU7:15 a.m.Brussels Bruxelles-National
19 Sep
BRU11:10 a.m.Brussels Bruxelles-National
11h 28m
1 stop
YOW4:38 p.m.Ottawa
C$ 827

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Brussels 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 96,600 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Ottawa to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sun 6/9

2:15 p.m.-7:50 a.m.

1 stop11h 35m

Brussels Bruxelles-National

Sun 13/9

9:30 a.m.-5:35 p.m.

1 stop14h 05m

C$ 681

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 10/9

10:00 a.m.-7:45 a.m.

2 stops15h 45m

Brussels Bruxelles-National

Thu 17/9

12:00 p.m.-9:11 a.m.

2 stops27h 11m

C$ 824

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Mon 21/9

3:10 p.m.-7:45 a.m.

1 stop10h 35m

Brussels Bruxelles-National

Mon 28/9

11:10 a.m.-1:59 p.m.

2 stops32h 49m

C$ 824

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Fri 11/9

10:37 a.m.-7:15 a.m.

2 stops14h 38m

Brussels Bruxelles-National

Wed 30/9

12:00 p.m.-9:35 p.m.

2 stops15h 35m

C$ 824

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 28/10

2:00 p.m.-7:50 a.m.

2 stops12h 50m

Brussels Bruxelles-National

Mon 2/11

10:00 a.m.-2:12 p.m.

1 stop10h 12m

C$ 831

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 28/10

2:55 p.m.-7:50 a.m.

1 stop11h 55m

Brussels Bruxelles-National

Mon 2/11

10:00 a.m.-2:12 p.m.

1 stop10h 12m

C$ 832

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 28/10

12:15 p.m.-7:50 a.m.

2 stops14h 35m

Brussels Bruxelles-National

Mon 2/11

10:00 a.m.-9:52 p.m.

2 stops17h 52m

C$ 848

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 7/10

11:15 a.m.-7:50 a.m.

2 stops14h 35m

Brussels Bruxelles-National

Sun 11/10

9:10 a.m.-4:32 p.m.

2 stops13h 22m

C$ 857
Quickest round-trip

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sun 27/9

3:10 p.m.-7:10 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Sun 4/10

9:10 a.m.-1:54 p.m.

1 stop10h 44m

C$ 1,010

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Mon 28/9

3:10 p.m.-2:35 p.m.

2 stops17h 25m

Brussels Bruxelles-National

Mon 5/10

6:25 a.m.-1:54 p.m.

2 stops13h 29m

C$ 1,063

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 Brussels from

How to get the cheapest flight ticket from Ottawa to Brussels

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 typical price of a round-trip flight between Ottawa and Brussels?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,192 to C$ 1,346.
The lowest price recently found on this route was C$ 681.

What is the cheapest month to fly to Brussels?

If you’re not able to fly to Brussels in September, then October is your next best option. Flight prices from Ottawa to Brussels during October average around C$ 881.

How far in advance should I book a flight from Ottawa to Brussels?

You are more likely to see cheaper flights to Brussels from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around C$ 1,090 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Ottawa for as low as C$ 965 on momondo.

Cheap Ottawa to Brussels flight deals and tips

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

Best price found

C$ 423

Fastest flight time

11h 35m

Direct flights

None
The best one-way flight to Brussels from Ottawa in the past 72 hours is C$ 423. The best round-trip flight deal from Ottawa to Brussels found on momondo in the last 72 hours is C$ 681.
The fastest flight from Ottawa to Brussels takes 11h 35m
There are no direct flights from Ottawa to Brussels. There are no popular flight routes from Ottawa to Brussels.
Search flight deals

Frequently asked questions about flying from Ottawa to Brussels

  • How far is Ottawa to Brussels by plane?

    A flight from Ottawa to Brussels will travel around 5670.1 km. 11h 35m is a normal flight duration for this route.

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

    Prices for flights from Ottawa Airport to Brussels refresh daily.

  • How many operators does momondo search for flights from Ottawa Airport to Brussels?

  • How old do you have to be to fly from Ottawa Airport to Brussels?

    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 Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents required for your trip to Brussels 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 Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to Brussels

Compare and see reviews for airlines that fly from Ottawa to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 721Free CancellationRating
7.1
11,487 reviews
Search Air Canada flights
Brussels AirlinesPriceFrom C$ 739Free CancellationRating
7.3
429 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom C$ 816Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Ottawa to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

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

All flight searches from Ottawa to Brussels on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Ottawa.

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

Price alerts on flights to Brussels from Ottawa 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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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 44.1 km from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport