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Cheap flights from Ottawa to Brussels from C$ 422

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
16 Aug — 23 Aug1
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 17 July 2026.

Fri 18/92:35 p.m.
YOW
-
BRU
2 stops36h 20m
Air Canada
Mon 21/96:20 a.m.
BRU
-
YOW
2 stops21h 50m
Air Canada
Deal found 12/7C$ 787
Fri 16/103:10 p.m.
YOW
-
BRU
1 stop10h 35m
United Airlines
Sat 24/1010:15 a.m.
BRU
-
YOW
1 stop17h 20m
United Airlines
Deal found 13/7C$ 822
Tue 6/103:10 p.m.
YOW
-
BRU
1 stop10h 35m
United Airlines
Wed 14/1012:00 p.m.
BRU
-
YOW
1 stop17h 54m
United Airlines
Deal found 15/7C$ 826
Tue 6/106:25 a.m.
YOW
-
BRU
1 stop20h 35m
United Airlines
Sun 18/1010:15 a.m.
BRU
-
YOW
1 stop17h 20m
United Airlines
Deal found 16/7C$ 827
Fri 11/96:00 a.m.
YOW
-
BRU
2 stops19h 45m
United Airlines
Tue 15/911:10 a.m.
BRU
-
YOW
1 stop11h 28m
United Airlines
Deal found 15/7C$ 829
Mon 5/105:10 a.m.
YOW
-
BRU
2 stops20h 05m
United Airlines
Thu 15/1011:10 a.m.
BRU
-
YOW
1 stop11h 28m
United Airlines
Deal found 15/7C$ 837
Thu 3/96:00 a.m.
YOW
-
BRU
3 stops21h 00m
Lufthansa
Wed 16/912:00 p.m.
BRU
-
YOW
1 stop12h 59m
Lufthansa
Deal found 16/7C$ 846
Fri 9/106:25 a.m.
YOW
-
BRU
2 stops18h 50m
United Airlines
Sat 17/106:45 a.m.
BRU
-
YOW
2 stops33h 11m
United Airlines
Deal found 16/7C$ 861
Mon 24/86:55 a.m.
YOW
-
CRL
3 stops34h 00m
Multiple Airlines
Wed 9/99:20 a.m.
CRL
-
YOW
2 stops21h 00m
Multiple Airlines
Deal found 13/7C$ 1,035
Sun 6/96:55 a.m.
YOW
-
CRL
3 stops32h 05m
Multiple Airlines
Sun 20/98:55 p.m.
CRL
-
YOW
3 stops33h 25m
Multiple Airlines
Deal found 13/7C$ 1,146
Thu 24/96:25 p.m.
YOW
-
CRL
3 stops22h 30m
Multiple Airlines
Tue 29/99:00 p.m.
CRL
-
YOW
3 stops41h 05m
Multiple Airlines
Deal found 13/7C$ 1,164
Wed 30/96:55 a.m.
YOW
-
CRL
3 stops33h 20m
Multiple Airlines
Thu 5/117:25 a.m.
CRL
-
YOW
2 stops23h 18m
Multiple Airlines
Deal found 16/7C$ 1,199

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 17 July 2026.

Round-trip from

C$ 787

One-way from

C$ 422

Popular in

July

Cheapest in

September

Average price

C$ 1,351
Air Canada
  • Air Canada
  • 18/9-21/9
  • 4 total stops
  • 58h 10m total
  • Ottawa to Brussels
Search Deals
26/7
  • 26/7
  • 3 total stops
  • 44h 15m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 17 July 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 - BRU

YOWBRU

Ottawa

Thu 8/10

6:01 p.m.-7:15 a.m.

2 stops31h 14m

Brussels Bruxelles-National

Sun 18/10

12:00 p.m.-9:56 a.m.

1 stop27h 56m

C$ 822

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 24/9

6:25 a.m.-7:45 a.m.

2 stops19h 20m

Brussels Bruxelles-National

Tue 29/9

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

2 stops16h 35m

C$ 822

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Tue 6/10

10:25 a.m.-7:45 a.m.

2 stops15h 20m

Brussels Bruxelles-National

Thu 15/10

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

1 stop17h 20m

C$ 826

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Fri 11/9

6:00 a.m.-7:45 a.m.

2 stops19h 45m

Brussels Bruxelles-National

Tue 15/9

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

1 stop11h 28m

C$ 826

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Fri 16/10

12:00 p.m.-7:15 a.m.

2 stops13h 15m

Brussels Bruxelles-National

Sat 24/10

12:00 p.m.-9:15 p.m.

2 stops15h 15m

C$ 844

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 29/8

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

2 stops19h 00m

Brussels Bruxelles-National

Sat 5/9

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

2 stops18h 44m

C$ 916
Quickest round-trip

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 3/9

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

1 stop10h 00m

Brussels Bruxelles-National

Wed 16/9

9:10 a.m.-1:54 p.m.

1 stop10h 44m

C$ 993

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Mon 24/8

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

3 stops34h 00m

Charleroi Brussels

Wed 9/9

9:20 a.m.-12:20 a.m.

2 stops21h 00m

C$ 1,035

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sun 6/9

8:55 p.m.-9:25 p.m.

2 stops18h 30m

Charleroi Brussels

Sun 20/9

8:55 p.m.-12:20 a.m.

3 stops33h 25m

C$ 1,156

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Thu 24/9

6:25 p.m.-10:55 p.m.

3 stops22h 30m

Charleroi Brussels

Tue 29/9

9:00 p.m.-8:05 a.m.

3 stops41h 05m

C$ 1,164

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/7

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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

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

Currently, October is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 715). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 1,125). 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?

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

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 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 17 July 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
10,007 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

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
10,007 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

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
421 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

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
11,352 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

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 31h 14m. Fly via United Airlines to get the fastest option. The distance from Ottawa to Brussels is about 5681 km.

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

    Air Canada, at C$ 733, 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 33% 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, October is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 715). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 1,125). 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 17 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 733AverageC$ 1,185FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 747AverageC$ 992FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapestC$ 832AverageC$ 1,082FlexibilityNo 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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