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Cheap flights from Ottawa to Brussels from C$ 380

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Brussels

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Brussels
Explore the most affordable flight options available from Ottawa to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2026.

Tue 7/49:25 a.m.
YOW
-
BRU
2 stops15h 45m
Air Canada
Tue 14/49:25 a.m.
BRU
-
YOW
2 stops13h 06m
Air Canada
Deal found 21/2C$ 869
Mon 30/34:00 p.m.
YOW
-
BRU
1 stop9h 10m
Lufthansa
Tue 14/49:25 a.m.
BRU
-
YOW
1 stop18h 51m
Lufthansa
Deal found 21/2C$ 881
Sun 8/34:00 p.m.
YOW
-
BRU
1 stop10h 50m
Multiple Airlines
Mon 16/310:00 a.m.
BRU
-
YOW
2 stops14h 41m
Multiple Airlines
Deal found 19/2C$ 882
Sat 2/57:30 p.m.
YOW
-
BRU
1 stop29h 45m
United Airlines
Wed 13/512:00 p.m.
BRU
-
YOW
1 stop28h 03m
United Airlines
Deal found 20/2C$ 884
Mon 30/310:50 a.m.
YOW
-
BRU
1 stop14h 20m
Air Canada
Tue 14/49:40 a.m.
BRU
-
YOW
2 stops18h 36m
Air Canada
Deal found 21/2C$ 890
Fri 20/34:00 p.m.
YOW
-
BRU
1 stop10h 50m
Lufthansa
Wed 15/49:25 a.m.
BRU
-
YOW
1 stop18h 51m
Lufthansa
Deal found 22/2C$ 892
Sun 8/37:50 p.m.
YOW
-
BRU
1 stop31h 00m
Air Canada
Mon 16/310:00 a.m.
BRU
-
YOW
1 stop28h 41m
Air Canada
Deal found 19/2C$ 893
Sat 16/52:30 p.m.
YOW
-
CRL
3 stops18h 50m
Multiple Airlines
Mon 25/510:00 p.m.
CRL
-
YOW
3 stops32h 20m
Multiple Airlines
Deal found 19/2C$ 1,029
Fri 20/35:40 a.m.
YOW
-
CRL
3 stops34h 35m
Multiple Airlines
Wed 15/46:25 p.m.
CRL
-
YOW
3 stops36h 14m
Multiple Airlines
Deal found 22/2C$ 1,056
Wed 10/66:25 p.m.
YOW
-
CRL
3 stops21h 50m
Multiple Airlines
Wed 24/69:00 p.m.
CRL
-
YOW
3 stops47h 55m
Multiple Airlines
Deal found 23/2C$ 1,066
Thu 13/86:25 p.m.
YOW
-
CRL
3 stops22h 35m
Multiple Airlines
Mon 31/810:00 p.m.
CRL
-
YOW
3 stops32h 20m
Multiple Airlines
Deal found 20/2C$ 1,085
Mon 30/34:40 p.m.
YOW
-
CRL
3 stops21h 55m
Multiple Airlines
Tue 14/48:50 p.m.
CRL
-
YOW
2 stops33h 49m
Multiple Airlines
Deal found 21/2C$ 1,157

Find flight deals from Ottawa to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 February 2026.

Round-trip from

C$ 869

One-way from

C$ 380

Popular in

August

Cheapest in

September

Average price

C$ 1,052
Air Canada
  • Air Canada
  • 7/4-14/4
  • 4 total stops
  • 28h 51m total
  • Ottawa to Brussels
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 24h 40m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 23 February 2026.
Use the filters below to find and compare flights from Ottawa to Brussels that are best for you.

Fly from

Ottawa

Fly to

Brussels

Route

Depart

Return

Price

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 30/3

4:00 p.m.-7:10 a.m.

1 stop9h 10m

Brussels Bruxelles-National

Tue 14/4

9:25 a.m.-10:16 p.m.

1 stop18h 51m

C$ 881

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 8/3

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

1 stop10h 50m

Brussels Bruxelles-National

Mon 16/3

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

2 stops14h 41m

C$ 882

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Fri 20/3

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

1 stop10h 50m

Brussels Bruxelles-National

Wed 15/4

9:25 a.m.-10:16 p.m.

1 stop18h 51m

C$ 892

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 8/3

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

1 stop31h 00m

Brussels Bruxelles-National

Mon 16/3

10:00 a.m.-9:41 a.m.

1 stop28h 41m

C$ 893

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 2/5

5:20 p.m.-9:00 a.m.

1 stop33h 40m

Brussels Bruxelles-National

Wed 13/5

11:10 a.m.-9:15 p.m.

2 stops16h 05m

C$ 895

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 30/3

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

2 stops14h 55m

Brussels Bruxelles-National

Tue 14/4

9:40 a.m.-10:16 p.m.

2 stops18h 36m

C$ 901

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 2/5

9:30 p.m.-7:10 a.m.

1 stop27h 40m

Brussels Bruxelles-National

Wed 13/5

9:25 a.m.-9:51 p.m.

2 stops18h 26m

C$ 905

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Wed 8/4

9:25 a.m.-7:10 a.m.

2 stops15h 45m

Brussels Bruxelles-National

Tue 12/5

9:25 a.m.-7:51 p.m.

2 stops16h 26m

C$ 907

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 4/4

9:25 a.m.-7:10 a.m.

2 stops15h 45m

Brussels Bruxelles-National

Wed 8/4

10:15 a.m.-5:07 p.m.

1 stop12h 52m

C$ 926

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sat 16/5

2:30 p.m.-3:20 p.m.

3 stops18h 50m

Charleroi Brussels

Mon 25/5

10:00 p.m.-5:35 p.m.

2 stops25h 35m

C$ 1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/2

Showing 1-10 of 30 results
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Best time to book a flight from Ottawa to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Brussels

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Brussels. Price data was last updated on 20 February 2026.

The price you pay for your flight from Ottawa to Brussels may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ottawa to Brussels?

Currently, September is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 620). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 963). 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.

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brussels. Reviews last updated 23 February 2026.
Get a feel of what it's like to fly with United Airlines,Brussels Airlines, andAir Canada from Ottawa to Brussels by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,339 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

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
9,339 reviews
United Airlines
7.4
Good
9,339 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

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
7.2
Good
387 reviews
United Airlines
7.4
Good
9,339 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

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
10,740 reviews
United Airlines
7.4
Good
9,339 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

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

Find useful and relevant information for your journey from Ottawa to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Ottawa to Brussels, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 0 outbound flights to Brussels per day. 3 airlines have flights to Brussels from Ottawa on a regular basis.

  • How long is the flight from Ottawa to Brussels?

    There are many flights that can get you from Ottawa to Brussels in 9h 10m. Fly via Lufthansa or Air Canada to get the fastest option. The distance from Ottawa to Brussels is about 5681 km. This flight may include one or multiple stops.

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

    Air Canada, at C$ 728, was found to be the cheapest airline from Ottawa to Brussels.Alternate airlines to your destination round-trip include Brussels Airlines and United Airlines. Users have found that Air Canada is 30% cheaper than the other options available to this destination.

  • Can I find deals for flights from Ottawa to Brussels that include hotel bookings?

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

  • How can I find direct flights from Ottawa to Brussels?

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

  • Can I find deals for business class flights from Ottawa to Brussels?

    Yes. Cheapflights offers flight deals from Ottawa to Brussels 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?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 620). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 963). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Ottawa to Brussels

Discover the top 3 airlines that operate flights from Ottawa to Brussels. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 728AverageC$ 1,063FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 730AverageC$ 967FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapestC$ 799AverageC$ 848FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Brussels?

Cheapflights makes it easy to find Ottawa to Brussels flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Brussels?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Brussels by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to Brussels with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Brussels flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Brussels become cheaper?

Yes! Start tracking prices for Ottawa to Brussels flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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