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Cheap flights from Ottawa to Brussels Bruxelles-National Airport from C$ 421

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
23 Apr — 30 Apr1
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
Explore the most affordable flight options available from Ottawa to Bruxelles-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Tue 5/56:55 a.m.
YOW
-
BRU
3 stops28h 30m
Multiple Airlines
Tue 12/55:35 p.m.
BRU
-
YOW
3 stops30h 00m
Multiple Airlines
Deal found 22/3C$ 945
Mon 4/56:25 a.m.
YOW
-
BRU
2 stops18h 50m
United Airlines
Mon 11/511:10 a.m.
BRU
-
YOW
2 stops18h 44m
United Airlines
Deal found 20/3C$ 958
Sat 2/55:25 p.m.
YOW
-
BRU
1 stop33h 35m
United Airlines
Wed 13/511:10 a.m.
BRU
-
YOW
1 stop11h 28m
United Airlines
Deal found 23/3C$ 959
Sun 3/56:25 a.m.
YOW
-
BRU
2 stops19h 00m
United Airlines
Sat 16/512:00 p.m.
BRU
-
YOW
1 stop12h 55m
United Airlines
Deal found 19/3C$ 961
Mon 7/94:00 p.m.
YOW
-
BRU
2 stops33h 15m
United Airlines
Mon 14/910:45 a.m.
BRU
-
YOW
1 stop29h 11m
United Airlines
Deal found 20/3C$ 970
Thu 23/42:40 p.m.
YOW
-
BRU
1 stop10h 35m
Multiple Airlines
Tue 19/511:10 a.m.
BRU
-
YOW
1 stop28h 01m
Multiple Airlines
Deal found 21/3C$ 973
Thu 21/59:05 a.m.
YOW
-
BRU
1 stop16h 05m
Air Canada
Mon 25/59:55 a.m.
BRU
-
YOW
1 stop31h 36m
Air Canada
Deal found 23/3C$ 987
Tue 21/49:25 a.m.
YOW
-
BRU
2 stops15h 45m
Multiple Airlines
Tue 28/49:40 a.m.
BRU
-
YOW
1 stop13h 26m
Multiple Airlines
Deal found 22/3C$ 1,002
Tue 21/49:25 a.m.
YOW
-
BRU
2 stops15h 45m
Air Canada
Tue 28/49:40 a.m.
BRU
-
YOW
2 stops18h 36m
Air Canada
Deal found 22/3C$ 1,015
Tue 9/62:35 p.m.
YOW
-
BRU
1 stop10h 35m
Air Canada
Tue 30/69:40 a.m.
BRU
-
YOW
2 stops16h 12m
Air Canada
Deal found 23/3C$ 1,017

Find flight deals from Ottawa to Bruxelles-National

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Bruxelles-National (BRU). 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 24 March 2026.

Round-trip from

C$ 945

One-way from

C$ 421

Popular in

July

Cheapest in

September

Average price

C$ 989
5/5-12/5
  • 5/5-12/5
  • 6 total stops
  • 58h 30m total
  • Ottawa to Brussels
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 44h 40m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Bruxelles-National 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 24 March 2026.
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 - BRU

YOWBRU

Ottawa

Sat 2/5

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

1 stop29h 45m

Brussels Bruxelles-National

Wed 13/5

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

2 stops18h 44m

C$ 958
Quickest round-trip

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 3/5

6:25 a.m.-7:25 a.m.

2 stops19h 00m

Brussels Bruxelles-National

Mon 11/5

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

1 stop11h 28m

C$ 959

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 3/5

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

1 stop19h 15m

Brussels Bruxelles-National

Sat 16/5

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

1 stop11h 28m

C$ 961

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 1/6

5:50 p.m.-1:15 p.m.

2 stops13h 25m

Brussels Bruxelles-National

Sun 7/6

12:00 p.m.-4:38 p.m.

2 stops34h 38m

C$ 985

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 16/4

10:55 a.m.-8:50 a.m.

2 stops15h 55m

Brussels Bruxelles-National

Wed 29/4

6:20 a.m.-7:16 p.m.

2 stops18h 56m

C$ 1,080
Cheapest one-way

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 4/5

6:55 a.m.-5:25 p.m.

3 stops52h 30m

C$ 472

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Tue 5/5

6:25 p.m.-9:35 a.m.

2 stops33h 10m

C$ 542

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Fri 8/5

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

3 stops56h 35m

C$ 565

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 7/5

6:25 p.m.-9:15 a.m.

3 stops56h 50m

C$ 650

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Tue 25/8

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

1 stop11h 35m

C$ 856

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

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
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 Bruxelles-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Bruxelles-National. Price data was last updated on 13 March 2026.

The best time to book flights from Ottawa to Brussels Bruxelles-National Airport is 32 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$ 622). Flying from Ottawa to Brussels Bruxelles-National Airport in July is currently the most expensive (average of C$ 958). 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 Bruxelles-National

Get insights into the airlines that provide service to Bruxelles-National. 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 Bruxelles-National. Reviews last updated 24 March 2026.
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
9,477 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

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
9,477 reviews
United Airlines
7.4
Good
9,477 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

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
395 reviews
United Airlines
7.4
Good
9,477 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

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
10,837 reviews
United Airlines
7.4
Good
9,477 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

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 Bruxelles-National. 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 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 29h 45m. 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$ 714. Other airlines that can offer you cheap pricing are Brussels Airlines, from C$ 732, and United Airlines, from C$ 802. Air Canada is 31% 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$ 622). Flying from Ottawa to Brussels Bruxelles-National Airport in July is currently the most expensive (average of C$ 958). 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

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Top 3 airlines flying from Ottawa to Bruxelles-National

Discover the top 3 airlines that operate flights from Ottawa to Bruxelles-National. 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 714AverageC$ 1,159FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 732AverageC$ 971FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapestC$ 802AverageC$ 851FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Bruxelles-National?

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.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Bruxelles-National?

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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