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Cheap flights from Ottawa to Brussels Bruxelles-National Airport from C$ 420

YOW — BRU
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Bruxelles-National

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Bruxelles-National

Thu 3/95:57 p.m. -
2 stops31h 18m
Thu 10/912:00 p.m. -
2 stops16h 35m
Deal found 19/8C$ 820
Tue 22/96:00 a.m. -
2 stops19h 45m
Tue 29/911:10 a.m. -
1 stop11h 28m
Deal found 18/8C$ 821
Mon 5/1010:35 a.m. -
2 stops15h 10m
Tue 13/1011:10 a.m. -
1 stop17h 25m
Deal found 20/8C$ 823
Sat 19/92:52 p.m. -
1 stop10h 23m
Wed 23/911:10 a.m. -
2 stops18h 44m
Deal found 20/8C$ 826
Fri 18/95:20 p.m. -
2 stops31h 55m
Fri 25/911:10 a.m. -
1 stop11h 28m
Deal found 21/8C$ 827
Wed 16/912:00 p.m. -
2 stops13h 15m
Wed 23/910:45 a.m. -
2 stops16h 50m
Deal found 17/8C$ 832
Fri 11/910:37 a.m. -
2 stops14h 38m
Sun 20/92:25 p.m. -
2 stops15h 29m
Deal found 19/8C$ 866
Wed 21/1011:15 a.m. -
1 stop13h 55m
Fri 30/1010:00 a.m. -
1 stop17h 32m
Deal found 19/8C$ 872

Find flight deals from Ottawa to Bruxelles-National

Round-trip from

C$ 820

One-way from

C$ 420

Popular in

July

Cheapest in

September

Average price

C$ 1,240
United Airlines
  • United Airlines
  • 3/9-10/9
  • 4 total stops
  • 47h 53m total
  • Ottawa to Brussels
Search Deals
1/10
  • 1/10
  • 2 total stops
  • 44h 15m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Brussels Bruxelles-National Airport 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

Sat 19/9

2:52 p.m.-7:15 a.m.

1 stop10h 23m

Brussels Bruxelles-National

Wed 23/9

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

2 stops18h 44m

C$ 820

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 3/9

5:57 p.m.-7:15 a.m.

2 stops31h 18m

Brussels Bruxelles-National

Thu 10/9

12:00 p.m.-10:35 p.m.

2 stops16h 35m

C$ 820

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Fri 11/9

10:40 a.m.-7:45 a.m.

2 stops15h 05m

Brussels Bruxelles-National

Sun 20/9

10:15 a.m.-9:35 p.m.

1 stop17h 20m

C$ 820

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Mon 14/9

6:00 a.m.-7:15 a.m.

1 stop19h 15m

Brussels Bruxelles-National

Mon 21/9

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

1 stop11h 28m

C$ 821
Quickest round-trip

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 16/9

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

1 stop10h 35m

Brussels Bruxelles-National

Wed 23/9

10:15 a.m.-9:35 p.m.

1 stop17h 20m

C$ 821

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 17/9

10:00 a.m.-7:15 a.m.

1 stop15h 15m

Brussels Bruxelles-National

Mon 28/9

10:45 a.m.-11:54 p.m.

1 stop19h 09m

C$ 821

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 7/10

6:25 a.m.-9:00 a.m.

1 stop20h 35m

Brussels Bruxelles-National

Sun 11/10

12:00 p.m.-11:54 p.m.

1 stop17h 54m

C$ 821

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Tue 22/9

10:40 a.m.-7:45 a.m.

2 stops15h 05m

Brussels Bruxelles-National

Wed 30/9

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

2 stops15h 35m

C$ 821
Cheapest one-way

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Thu 1/10

6:55 a.m.-9:10 a.m.

2 stops44h 15m

C$ 420

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sun 27/9

7:40 p.m.-9:10 a.m.

2 stops31h 30m

C$ 444

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
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Best time to book a flight from Ottawa to Bruxelles-National

Have a flexible travel schedule? Discover the best time to fly to Bruxelles-National from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Brussels Bruxelles-National Airport

How far ahead should I book a flight from Ottawa to Brussels Bruxelles-National Airport?

The best time to book flights from Ottawa to Brussels Bruxelles-National Airport is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ottawa to Brussels Bruxelles-National Airport?

Currently, September is the cheapest month in which you can book a flight from Ottawa to Brussels Bruxelles-National Airport (average of C$ 809). Flying from Ottawa to Brussels Bruxelles-National Airport in July is currently the most expensive (average of C$ 1,336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ottawa to Brussels Bruxelles-National Airport?

Airfare is below average for this route at the moment.

Ottawa to Brussels Bruxelles-National Airport flights typically cost between C$ 949 and C$ 1,216 in September.
The cheapest round-trip price found within the last 5 days was C$ 820 on United Airlines (3 Sep-10 Sep).

Reviews of airlines servicing Bruxelles-National

Check out reviews from past customers who have flown with United Airlines,Brussels Airlines, andAir Canada from Ottawa to Brussels Bruxelles-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,109 reviews
Check prices

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,109 reviews
United Airlines
7.4
Good
10,109 reviews
Check prices

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Brussels Airlines
7.3
Good
432 reviews
United Airlines
7.4
Good
10,109 reviews
Check prices

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,514 reviews
United Airlines
7.4
Good
10,109 reviews
Check prices

Boarding

7.7

Food

6.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Brussels Bruxelles-National?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Brussels Bruxelles-National. On average, Ottawa has 0 outbound flights to Brussels Bruxelles-National per day from 3 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to Brussels Bruxelles-National Airport?

    United Airlines can get you from Ottawa to Brussels Bruxelles-National Airport in just under 10h 23m. Your travel time can differ by up to . There are 5681 km between Ottawa and Brussels Bruxelles-National Airport.

  • What are the cheapest airlines flying from Ottawa to Brussels Bruxelles-National Airport round-trip?

    Cheapflights users have booked flights from Ottawa to Brussels Bruxelles-National Airport round-trip from C$ 716. Other airlines that can offer you cheap pricing are Brussels Airlines, from C$ 733, and United Airlines, from C$ 809. Air Canada is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Ottawa to Bruxelles-National that include hotel bookings?

    Yes. In addition to deals on Ottawa to Bruxelles-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Bruxelles-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Bruxelles-National.

  • Can I find deals for business class flights from Ottawa to Bruxelles-National?

    Yes. Cheapflights offers flight deals from Ottawa to Bruxelles-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Brussels Bruxelles-National Airport?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to Brussels Bruxelles-National Airport (average of C$ 809). Flying from Ottawa to Brussels Bruxelles-National Airport in July is currently the most expensive (average of C$ 1,336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ottawa to Bruxelles-National

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 716AverageC$ 1,169FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 733AverageC$ 982FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapestC$ 809AverageC$ 1,061FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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When you search for this flight from Ottawa to Bruxelles-National, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Bruxelles-National for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Bruxelles-National with no change fees?

Certainly. Search results for flights to Bruxelles-National from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to Bruxelles-National become cheaper?

Not ready to book yet? You can track prices for flights from Ottawa to Bruxelles-National on Cheapflights with our Price Alert feature and get notified when better prices are available.

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