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Cheap flights from Ottawa to Belgium from C$ 423

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
17 Sep — 24 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Belgium

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Belgium
Explore the most affordable flight options available from Ottawa to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Sun 6/92:15 p.m. -
1 stop11h 35m
Sun 13/99:30 a.m. -
1 stop14h 05m
Deal found 15/8C$ 681
Mon 21/96:25 a.m. -
2 stops18h 50m
Mon 28/911:10 a.m. -
2 stops18h 44m
Deal found 14/8C$ 824
Mon 21/93:10 p.m. -
1 stop10h 35m
Sat 10/1011:10 a.m. -
2 stops13h 45m
Deal found 12/8C$ 825
Sat 12/96:25 a.m. -
2 stops18h 50m
Sat 19/911:10 a.m. -
1 stop11h 28m
Deal found 15/8C$ 826
Sat 3/106:25 a.m. -
1 stop20h 35m
Wed 7/1012:00 p.m. -
1 stop17h 54m
Deal found 16/8C$ 828
Wed 28/102:00 p.m. -
2 stops12h 50m
Mon 2/1110:00 a.m. -
1 stop10h 12m
Deal found 13/8C$ 830
Wed 16/912:00 p.m. -
2 stops13h 15m
Fri 2/1012:00 p.m. -
2 stops15h 35m
Deal found 13/8C$ 835
Sat 3/105:10 a.m. -
2 stops20h 05m
Sat 10/1011:10 a.m. -
2 stops13h 45m
Deal found 16/8C$ 839
Wed 19/85:30 p.m. -
1 stop32h 20m
Thu 3/99:30 a.m. -
2 stops18h 22m
Deal found 14/8C$ 842
Sat 15/86:00 a.m. -
1 stop19h 15m
Thu 20/89:30 a.m. -
2 stops13h 02m
Deal found 13/8C$ 846
Tue 22/910:00 a.m. -
3 stops26h 00m
Sat 10/106:20 a.m. -
2 stops36h 20m
Deal found 12/8C$ 975
Mon 14/94:00 p.m. -
3 stops22h 35m
Mon 21/99:15 p.m. -
3 stops33h 05m
Deal found 17/8C$ 1,001

Find flight deals from Ottawa to Belgium

Keep the following information in mind while searching for Ottawa to Belgium flight deals. Data was last updated 18 August 2026.

Round-trip from

C$ 681

One-way from

C$ 423

Popular in

July

Cheapest in

September

Average price

C$ 1,249
Air Transat
  • Air Transat
  • 6/9-13/9
  • 2 total stops
  • 25h 40m total
  • Ottawa to Belgium
Search Deals
1/10
  • 1/10
  • 2 total stops
  • 44h 15m total
  • Ottawa to Belgium
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 289 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Belgium 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 18 August 2026.
Use the filters below to find and compare flights from Ottawa to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 7/10

6:05 a.m.-7:15 a.m.

2 stops19h 10m

Brussels Bruxelles-National

Sun 11/10

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

1 stop17h 20m

C$ 824
Quickest round-trip

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Mon 21/9

3:10 p.m.-7:45 a.m.

1 stop10h 35m

Brussels Bruxelles-National

Sat 10/10

11:10 a.m.-10:35 p.m.

1 stop17h 25m

C$ 825

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Tue 22/9

10:40 a.m.-7:45 a.m.

2 stops15h 05m

Brussels Bruxelles-National

Wed 30/9

12:00 p.m.-9:35 p.m.

2 stops15h 35m

C$ 828

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sun 4/10

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

1 stop20h 35m

Brussels Bruxelles-National

Sat 10/10

12:00 p.m.-6:55 p.m.

1 stop12h 55m

C$ 828

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Mon 14/9

10:40 a.m.-7:45 a.m.

2 stops15h 05m

Brussels Bruxelles-National

Mon 21/9

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

2 stops18h 44m

C$ 828

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Wed 16/9

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

2 stops13h 15m

Brussels Bruxelles-National

Fri 2/10

12:00 p.m.-9:35 p.m.

2 stops15h 35m

C$ 835

OttawaBrussels

YOW Ottawa - BRU Brussels Bruxelles-National

YOWBRU

Ottawa

Sat 12/9

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

2 stops13h 15m

Brussels Bruxelles-National

Sat 19/9

10:45 a.m.-9:35 p.m.

2 stops16h 50m

C$ 837

OttawaBrussels

YOW Ottawa - CRL Charleroi Brussels

YOWCRL

Ottawa

Tue 22/9

10:00 a.m.-6:00 p.m.

3 stops26h 00m

Charleroi Brussels

Sat 10/10

6:20 a.m.-12:40 p.m.

2 stops36h 20m

C$ 975

OttawaBrussels

YOW Ottawa - CRL Charleroi Brussels

YOWCRL

Ottawa

Mon 14/9

4:00 p.m.-8:35 p.m.

3 stops22h 35m

Charleroi Brussels

Mon 21/9

9:15 p.m.-12:20 a.m.

3 stops33h 05m

C$ 1,001

OttawaBrussels

YOW Ottawa - CRL Charleroi Brussels

YOWCRL

Ottawa

Sun 20/9

2:15 p.m.-8:45 p.m.

3 stops24h 30m

Charleroi Brussels

Sun 11/10

9:15 a.m.-12:25 a.m.

3 stops45h 10m

C$ 1,026

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 30 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium

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

Currently, September is the cheapest month in which you can book a flight from Ottawa to Belgium (average of C$ 815). Flying from Ottawa to Belgium in July is currently the most expensive (average of C$ 1,346). 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 far ahead should I book a flight from Ottawa to Belgium?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Belgium. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated 18 August 2026.
Check out reviews from past customers who have flown with United Airlines,Brussels Airlines, andAir Canada from Ottawa to Belgium 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
10,106 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.7

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
10,106 reviews
United Airlines
7.4
Good
10,106 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.7

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
7.3
Good
429 reviews
United Airlines
7.4
Good
10,106 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.7

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
11,487 reviews
United Airlines
7.4
Good
10,106 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.7

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 Belgium. 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 Belgium?

    For a flight from Ottawa to Belgium, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city.

  • How long is the flight from Ottawa to Belgium?

    For as low as C$ 824, United Airlines can have you in Belgium from Ottawa in 19h 10m. The distance between Ottawa and Belgium is about 5681 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Belgium 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 Belgium?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to Belgium (average of C$ 815). Flying from Ottawa to Belgium in July is currently the most expensive (average of C$ 1,346). 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 Belgium

Discover the top 3 airlines that operate flights from Ottawa to Belgium. 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 18 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 721AverageC$ 1,177FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 738AverageC$ 989FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapestC$ 815AverageC$ 1,069FlexibilityNo 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 Belgium?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Belgium. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Belgium 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 Belgium with no change fees?

Yes! Cheapflights helps users easily find flights from Ottawa to Belgium with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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