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Cheap flights from Ottawa to Brussels from C$ 440

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 12/9. 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.
United Airlines Logo
6:00 a.m. - 9:00 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
21h 00m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl
United Airlines Logo
11:10 a.m. - 11:54 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
18h 44m2 stops Newark Washington, D.C. Dulles Intl
C$ 828United Airlines
Tue, 25 Aug - Mon, 14 Sep
United Airlines Logo
6:00 a.m. - 9:00 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
21h 00m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl
United Airlines Logo
11:10 a.m. - 4:38 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
11h 28m1 stop Newark
C$ 828United Airlines
Tue, 25 Aug - Wed, 9 Sep
United Airlines Logo
7:30 p.m. - 7:15 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
29h 45m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:10 a.m. - 10:35 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
17h 25m1 stop Newark
C$ 828United Airlines
Mon, 24 Aug - Mon, 14 Sep
Air Canada Logo
9:00 p.m. - 8:55 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
29h 55m1 stop London Heathrow
Air Canada Logo
6:20 a.m. - 10:10 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
21h 50m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
C$ 881Air Canada
Sat, 10 Oct - Tue, 13 Oct
Air Canada Logo
9:00 p.m. - 8:55 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
29h 55m1 stop London Heathrow
Air Canada Logo
6:20 a.m. - 10:10 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
21h 50m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
C$ 884Air Canada
Sat, 10 Oct - Tue, 13 Oct
Multiple Airlines Logo
2:35 p.m. - 7:10 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
10h 35m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
9:55 a.m. - 3:10 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
11h 15m1 stop Toronto Pearson Intl
C$ 969Multiple Airlines
Thu, 27 Aug - Sat, 12 Sep
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. - 1:58 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
10h 48m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 974Brussels Airlines
Thu, 17 Sep - Thu, 24 Sep
Multiple Airlines Logo
2:35 p.m. - 7:10 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
10h 35m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 a.m. - 10:32 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
17h 32m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 994Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct
Air Canada Logo
12:15 p.m. - 7:50 a.m.YOW  Ottawa-BRU Brussels Bruxelles-National
13h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:00 a.m. - 7:52 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
15h 52m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
C$ 1,012Air Canada
Sun, 22 Nov - Sat, 28 Nov
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
6:25 a.m. - 1:58 p.m.BRU  Brussels Bruxelles-National-YOW Ottawa
13h 33m2 stops Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl
C$ 1,018Brussels Airlines
Thu, 17 Sep - Thu, 24 Sep

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Air Canada flights from Ottawa to Brussels

Our best Air Canada deals on Ottawa to Brussels flight tickets
Air Canada
10 Oct
YOW9:00 p.m.Ottawa
29h 55m
1 stop
BRU8:55 a.m.Brussels Bruxelles-National
13 Oct
BRU6:20 a.m.Brussels Bruxelles-National
21h 50m
2 stops
YOW10:10 p.m.Ottawa
C$ 881
Air Canada
10 Oct
YOW9:00 p.m.Ottawa
29h 55m
1 stop
BRU8:55 a.m.Brussels Bruxelles-National
13 Oct
BRU6:20 a.m.Brussels Bruxelles-National
21h 50m
2 stops
YOW10:10 p.m.Ottawa
C$ 884
Air Canada
24 Oct
YOW2:35 p.m.Ottawa
12h 15m
1 stop
BRU8:50 a.m.Brussels Bruxelles-National
30 Oct
BRU10:00 a.m.Brussels Bruxelles-National
10h 57m
1 stop
YOW3:57 p.m.Ottawa
C$ 1,012

United Airlines flights from Ottawa to Brussels

Our best United Airlines deals on Ottawa to Brussels flight tickets
United Airlines
30 Aug
YOW6:00 a.m.Ottawa
21h 00m
3 stops
BRU9:00 a.m.Brussels Bruxelles-National
14 Sep
BRU12:00 p.m.Brussels Bruxelles-National
17h 54m
1 stop
YOW11:54 p.m.Ottawa
C$ 828
United Airlines
27 Aug
YOW3:10 p.m.Ottawa
16h 05m
2 stops
BRU1:15 p.m.Brussels Bruxelles-National
14 Sep
BRU10:15 a.m.Brussels Bruxelles-National
17h 20m
1 stop
YOW9:35 p.m.Ottawa
C$ 854
United Airlines
16 Oct
YOW3:10 p.m.Ottawa
10h 35m
1 stop
BRU7:45 a.m.Brussels Bruxelles-National
24 Oct
BRU10:15 a.m.Brussels Bruxelles-National
17h 20m
1 stop
YOW9:35 p.m.Ottawa
C$ 949

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 7 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

Tue 25/8

6:00 a.m.-9:00 a.m.

3 stops21h 00m

Brussels Bruxelles-National

Mon 14/9

11:10 a.m.-11:54 p.m.

2 stops18h 44m

C$ 828

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Tue 25/8

6:00 a.m.-9:00 a.m.

3 stops21h 00m

Brussels Bruxelles-National

Wed 9/9

11:10 a.m.-4:38 p.m.

1 stop11h 28m

C$ 828

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Mon 24/8

7:30 p.m.-7:15 a.m.

1 stop29h 45m

Brussels Bruxelles-National

Mon 14/9

11:10 a.m.-10:35 p.m.

1 stop17h 25m

C$ 828

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sat 10/10

9:00 p.m.-8:55 a.m.

1 stop29h 55m

Brussels Bruxelles-National

Tue 13/10

6:20 a.m.-10:10 p.m.

2 stops21h 50m

C$ 881

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sat 10/10

9:00 p.m.-8:55 a.m.

1 stop29h 55m

Brussels Bruxelles-National

Tue 13/10

6:20 a.m.-10:10 p.m.

2 stops21h 50m

C$ 884

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 27/8

2:35 p.m.-7:10 a.m.

1 stop10h 35m

Brussels Bruxelles-National

Sat 12/9

9:55 a.m.-3:10 p.m.

1 stop11h 15m

C$ 969
Quickest round-trip

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 17/9

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

1 stop10h 00m

Brussels Bruxelles-National

Thu 24/9

9:10 a.m.-1:58 p.m.

1 stop10h 48m

C$ 974

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Fri 23/10

2:35 p.m.-7:10 a.m.

1 stop10h 35m

Brussels Bruxelles-National

Fri 30/10

10:00 a.m.-10:32 p.m.

1 stop17h 32m

C$ 994

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sun 22/11

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

2 stops13h 35m

Brussels Bruxelles-National

Sat 28/11

10:00 a.m.-7:52 p.m.

2 stops15h 52m

C$ 1,012

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 17/9

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

1 stop10h 00m

Brussels Bruxelles-National

Thu 24/9

6:25 a.m.-1:58 p.m.

2 stops13h 33m

C$ 1,018

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$ 1,201 to C$ 1,356.
The lowest price recently found on this route was C$ 828.

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$ 888.

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$ 1,105 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$ 914 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

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from Ottawa to Brussels takes 10h 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. 10h 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$ 727Free CancellationRating
7.1
11,438 reviews
Search Air Canada flights
Brussels AirlinesPriceFrom C$ 744Free CancellationRating
7.3
430 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom C$ 830Free CancellationRating
7.4
10,083 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