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Cheap flights from Ottawa to Brussels from C$ 350

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 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Brussels

Cheap round-trip flights

Air Canada Logo
11:05 a.m. - 8:05 a.m.YOW-BRU
15h 00m1 stop
Air Canada Logo
10:00 a.m. - 1:51 p.m.BRU-YOW
9h 51m1 stop
C$ 695Air Canada
Find Deal
Mon, 22 Sep - Sun, 5 Oct
Air Canada Logo
2:00 p.m. - 8:05 a.m.YOW-BRU
12h 05m2 stops
Air Canada Logo
10:00 a.m. - 1:51 p.m.BRU-YOW
9h 51m1 stop
C$ 705Air Canada
Find Deal
Mon, 22 Sep - Sun, 5 Oct
Logo
4:05 p.m. - 8:05 a.m.YOW-BRU
10h 00m1 stop
Logo
10:00 a.m. - 10:04 p.m.BRU-YOW
18h 04m1 stop
C$ 710
Find Deal
Thu, 2 Oct - Thu, 16 Oct
Air Canada Logo
1:55 p.m. - 8:05 a.m.YOW-BRU
12h 10m2 stops
Air Canada Logo
10:00 a.m. - 5:07 p.m.BRU-YOW
13h 07m2 stops
C$ 720Air Canada
Find Deal
Thu, 2 Oct - Thu, 16 Oct
United Airlines Logo
7:29 p.m. - 7:15 a.m.YOW-BRU
29h 46m1 stop
United Airlines Logo
1:45 p.m. - 9:58 a.m.BRU-YOW
26h 13m2 stops
C$ 814United Airlines
Find Deal
Fri, 10 Oct - Sun, 19 Oct
Lufthansa Logo
4:00 p.m. - 7:50 a.m.YOW-BRU
9h 50m1 stop
Lufthansa Logo
10:00 a.m. - 10:18 p.m.BRU-YOW
17h 18m1 stop
C$ 1,002Lufthansa
Find Deal
Sun, 23 Nov - Sun, 22 Mar
Aer Lingus Logo
12:05 p.m. - 9:35 a.m.YOW-BRU
15h 30m2 stops
Aer Lingus Logo
10:15 a.m. - 9:18 p.m.BRU-YOW
17h 03m2 stops
C$ 1,027Aer Lingus
Find Deal
Wed, 19 Nov - Wed, 18 Feb
United Airlines Logo
10:30 a.m. - 8:05 a.m.YOW-BRU
15h 35m2 stops
United Airlines Logo
10:15 a.m. - 9:18 p.m.BRU-YOW
16h 03m2 stops
C$ 1,033United Airlines
Find Deal
Sun, 23 Nov - Tue, 24 Mar
Logo
4:10 p.m. - 1:35 p.m.YOW-BRU
15h 25m2 stops
Logo
10:00 a.m. - 7:41 p.m.BRU-YOW
14h 41m2 stops
C$ 1,038
Find Deal
Mon, 24 Nov - Sun, 22 Mar
Aer Lingus Logo
2:05 p.m. - 9:35 a.m.YOW-BRU
13h 30m2 stops
Aer Lingus Logo
10:15 a.m. - 7:18 p.m.BRU-YOW
15h 03m2 stops
C$ 1,080Aer Lingus
Find Deal
Sat, 15 Nov - Sat, 21 Feb

United Airlines flights from Ottawa to Brussels

Our best United Airlines deals on Ottawa to Brussels flight tickets
United Airlines
10 Oct
YOW7:29 p.m.Ottawa
29h 46m
1 stop
BRU7:15 a.m.Brussels Bruxelles-National
19 Oct
BRU1:45 p.m.Brussels Bruxelles-National
26h 13m
2 stops
YOW9:58 a.m.Ottawa
C$ 814
Find similar
United Airlines
23 Nov
YOW10:30 a.m.Ottawa
15h 35m
2 stops
BRU8:05 a.m.Brussels Bruxelles-National
24 Mar
BRU10:15 a.m.Brussels Bruxelles-National
16h 03m
2 stops
YOW9:18 p.m.Ottawa
C$ 1,033
Find similar
United Airlines
10 Oct
YOW7:29 p.m.Ottawa
29h 46m
1 stop
BRU7:15 a.m.Brussels Bruxelles-National
19 Oct
BRU12:00 p.m.Brussels Bruxelles-National
27h 58m
1 stop
YOW9:58 a.m.Ottawa
C$ 1,107
Find similar

Aer Lingus flights from Ottawa to Brussels

Our best Aer Lingus deals on Ottawa to Brussels flight tickets
Aer Lingus
19 Nov
YOW12:05 p.m.Ottawa
15h 30m
2 stops
BRU9:35 a.m.Brussels Bruxelles-National
18 Feb
BRU10:15 a.m.Brussels Bruxelles-National
17h 03m
2 stops
YOW9:18 p.m.Ottawa
C$ 1,027
Find similar
Aer Lingus
15 Nov
YOW2:05 p.m.Ottawa
13h 30m
2 stops
BRU9:35 a.m.Brussels Bruxelles-National
21 Feb
BRU10:15 a.m.Brussels Bruxelles-National
15h 03m
2 stops
YOW7:18 p.m.Ottawa
C$ 1,080
Find similar
Aer Lingus
26 Nov
YOW12:05 p.m.Ottawa
15h 30m
2 stops
BRU9:35 a.m.Brussels Bruxelles-National
23 Mar
BRU10:15 a.m.Brussels Bruxelles-National
16h 03m
2 stops
YOW9:18 p.m.Ottawa
C$ 1,239
Find similar

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 15 September 2025.
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

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 22/9

11:05 a.m.-8:05 a.m.

1 stop15h 00m

Brussels Bruxelles-National

Sun 5/10

10:00 a.m.-1:51 p.m.

1 stop9h 51m

C$ 695

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 22/9

2:00 p.m.-8:05 a.m.

2 stops12h 05m

Brussels Bruxelles-National

Sun 5/10

10:00 a.m.-1:51 p.m.

1 stop9h 51m

C$ 705

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 2/10

4:05 p.m.-8:05 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Thu 16/10

10:00 a.m.-10:04 p.m.

1 stop18h 04m

C$ 710

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 2/10

1:55 p.m.-8:05 a.m.

2 stops12h 10m

Brussels Bruxelles-National

Thu 16/10

10:00 a.m.-5:07 p.m.

2 stops13h 07m

C$ 720

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Fri 10/10

7:29 p.m.-7:15 a.m.

1 stop29h 46m

Brussels Bruxelles-National

Sun 19/10

1:45 p.m.-9:58 a.m.

2 stops26h 13m

C$ 814

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 23/11

4:00 p.m.-7:50 a.m.

1 stop9h 50m

Brussels Bruxelles-National

Sun 22/3

10:00 a.m.-10:18 p.m.

1 stop17h 18m

C$ 1,002

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Wed 19/11

12:05 p.m.-9:35 a.m.

2 stops15h 30m

Brussels Bruxelles-National

Wed 18/2

10:15 a.m.-9:18 p.m.

2 stops17h 03m

C$ 1,027

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 23/11

10:30 a.m.-8:05 a.m.

2 stops15h 35m

Brussels Bruxelles-National

Tue 24/3

10:15 a.m.-9:18 p.m.

2 stops16h 03m

C$ 1,033

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 24/11

4:10 p.m.-1:35 p.m.

2 stops15h 25m

Brussels Bruxelles-National

Sun 22/3

10:00 a.m.-7:41 p.m.

2 stops14h 41m

C$ 1,038

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 15/11

2:05 p.m.-9:35 a.m.

2 stops13h 30m

Brussels Bruxelles-National

Sat 21/2

10:15 a.m.-7:18 p.m.

2 stops15h 03m

C$ 1,080

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 cheapest month to fly to Brussels?

If you’re not able to fly to Brussels in April, then September is your next best option. Flight prices from Ottawa to Brussels during September average around C$ 965.

What is the cheapest day to depart on your flight to Brussels?

The cheapest day to depart from Ottawa to Brussels is on a Wednesday when prices can be found for as low as C$ 1,045. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Brussels for around C$ 1,678.

What is the cheapest time of day to depart on your flight to Brussels?

Our most recent data shows that the best time of day to fly to Brussels is in the morning. Flights from Ottawa to Brussels during this time can be as low as C$ 1,021. Flights to Brussels are more costly in the afternoon, with an average ticket price of C$ 1,334. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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$ 1,160 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$ 846 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

Direct flights

None
There are no direct flights from Ottawa to Brussels. There are no popular flight routes from Ottawa to Brussels.
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  • How far is Ottawa to Brussels by plane?

    A flight from Ottawa to Brussels will travel around 5670.1 km. 9h 50m 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
Brussels AirlinesPriceFrom C$ 739Free CancellationRating
7.2
359 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom C$ 809Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 841Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air FrancePriceFrom C$ 887Free CancellationRating
7.4
1,469 reviews
Search Air France 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