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Cheap flights from Ottawa to Brussels

YOW — BRU
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ottawa to Brussels

Popular in

July

Cheapest in

November

Average price

C$ 1,027
Highest demand for flights based on searches. 14% potential increase in price (C$ 274 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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

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?

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 61 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, November is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 921). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 1,373). 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 a feel of what it's like to fly with United Airlines and Air 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
10,247 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.7

Comfort

7.3

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
10,247 reviews
United Airlines
7.4
Good
10,247 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.7

Comfort

7.3

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
11,686 reviews
United Airlines
7.4
Good
10,247 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.7

Comfort

7.3

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

  • 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. 2 airlines have flights to Brussels from Ottawa on a regular basis.

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

    United Airlines, at C$ 832, was found to be the cheapest airline from Ottawa to Brussels. An alternate airline flying to your destination would be Air Canada. Users have found that United Airlines is 26% 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, November is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 921). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 1,373). 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 2 airlines flying from Ottawa to Brussels

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 832AverageC$ 1,027FlexibilityNo cancel feeOn-time69%
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Air CanadaCheapestC$ 927AverageC$ 1,243FlexibilityNo cancel feeOn-time67%
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Can Cheapflights notify me if prices for flights from Ottawa to Brussels become cheaper?

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