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Cheap flights from Ottawa to Brussels from C$ 472

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
27 Jan — 3 Feb1
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 28 December 2025.

Thu 25/126:00 a.m.YOW - BRU
1 stop20h 05mAir Canada
Mon 29/1211:15 a.m.BRU - YOW
1 stop16h 41mAir Canada
Deal found 25/12C$ 1,353
Fri 26/129:45 a.m.YOW - BRU
1 stop15h 30mUnited Airlines
Tue 30/1211:55 a.m.BRU - YOW
1 stop12h 57mUnited Airlines
Deal found 25/12C$ 1,443
Sat 27/126:00 a.m.YOW - BRU
1 stop20h 05mAir Canada
Sat 3/110:00 a.m.BRU - YOW
1 stop10h 07mAir Canada
Deal found 25/12C$ 2,393
Sat 27/125:20 p.m.YOW - BRU
2 stops14h 55mKLM
Sat 3/18:05 a.m.BRU - YOW
2 stops13h 05mKLM
Deal found 25/12C$ 2,524
Fri 26/128:00 a.m.YOW - BRU
2 stops47h 15mAir Canada
Sat 3/110:00 a.m.BRU - YOW
1 stop31h 18mAir Canada
Deal found 25/12C$ 2,571
Sat 27/124:00 p.m.YOW - BRU
2 stops37h 10mBrussels Airlines
Sat 3/110:00 a.m.BRU - YOW
1 stop10h 07mBrussels Airlines
Deal found 25/12C$ 2,599

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 28 December 2025.

Round-trip from

C$ 866

One-way from

C$ 472

Popular in

July

Cheapest in

September

Average price

C$ 1,143
KLM
  • KLM
  • 24/1-31/1
  • 4 total stops
  • 38h 27m total
  • Ottawa to Brussels
Search Deals
9/2
  • 9/2
  • 3 total stops
  • 41h 05m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 270 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 28 December 2025.
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

Sat 24/1

5:40 a.m.-10:10 a.m.

2 stops22h 30m

Brussels Bruxelles-National

Sat 31/1

2:45 p.m.-12:42 a.m.

2 stops15h 57m

C$ 866

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 19/1

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

1 stop9h 50m

Brussels Bruxelles-National

Tue 3/2

10:00 a.m.-2:07 p.m.

1 stop10h 07m

C$ 920

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Fri 20/2

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

1 stop11h 00m

Brussels Bruxelles-National

Tue 24/2

10:00 a.m.-4:23 p.m.

1 stop12h 23m

C$ 928

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 19/3

2:05 p.m.-7:50 a.m.

2 stops12h 45m

Brussels Bruxelles-National

Sat 11/4

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

2 stops16h 26m

C$ 936

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 19/3

10:30 a.m.-7:50 a.m.

2 stops16h 20m

Brussels Bruxelles-National

Sat 4/4

9:40 a.m.-11:04 p.m.

1 stop19h 24m

C$ 940

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Wed 13/5

5:55 a.m.-10:15 p.m.

3 stops34h 20m

Charleroi Brussels

Wed 20/5

9:20 a.m.-12:22 a.m.

2 stops21h 02m

C$ 1,096

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Mon 6/4

5:40 a.m.-11:00 p.m.

3 stops35h 20m

Charleroi Brussels

Mon 27/4

7:40 p.m.-12:22 a.m.

3 stops34h 42m

C$ 1,133

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Mon 19/1

4:35 p.m.-9:35 p.m.

3 stops23h 00m

Charleroi Brussels

Tue 3/2

8:10 a.m.-12:39 a.m.

3 stops46h 29m

C$ 1,138

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sat 24/1

4:40 p.m.-10:55 p.m.

3 stops24h 15m

Charleroi Brussels

Sat 31/1

7:00 a.m.-12:42 a.m.

2 stops23h 42m

C$ 1,167

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Tue 12/5

5:55 a.m.-11:00 p.m.

3 stops35h 05m

Charleroi Brussels

Fri 22/5

9:35 p.m.-12:22 a.m.

3 stops32h 47m

C$ 1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/12

Showing 1-10 of 15 results
1
2

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 26 December 2025.

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, May is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 616). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 955). 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.

What is the cheapest time of day to fly from YOW to BRU?

Find hourly flight availability from Ottawa to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 December 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 34% on flights from Ottawa to Brussels by exploring options for tickets in the morning.

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 28 December 2025.
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
9,114 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
United Airlines
7.4
Good
9,114 reviews
United Airlines
7.4
Good
9,114 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Brussels Airlines
7.2
Good
377 reviews
United Airlines
7.4
Good
9,114 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Air Canada
7.1
Good
10,562 reviews
United Airlines
7.4
Good
9,114 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.

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 50m. Fly via KLM, 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$ 714, 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 32% 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, May is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 616). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 955). 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 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 718AverageC$ 1,052FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 730AverageC$ 1,076FlexibilityNo 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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