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Cheap flights from Ottawa to Brussels from C$ 431

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Brussels are usually found in April or September, booked 86 days in advance, depart on a Wednesday or Sunday and return on a Saturday

Cheap 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 September 2025.

Round-trip from

C$ 684

One-way from

C$ 431

Popular in

October

Cheapest in

April

Average price

C$ 959
Air Canada
  • Air Canada
  • 2/10-16/10
  • 3 total stops
  • 23h 07m total
  • Ottawa to Brussels
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30/9
  • 30/9
  • 3 total stops
  • 33h 05m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 62 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Brussels

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 September 2025.

Thu 2/104:05 p.m.YOW - BRU
1 stop10h 00mMultiple Airlines
Thu 16/1010:00 a.m.BRU - YOW
2 stops13h 07mMultiple Airlines
Deal found 16/9C$ 684
Fri 24/1011:05 a.m.YOW - BRU
1 stop15h 00mAir Canada
Fri 31/1010:00 a.m.BRU - YOW
1 stop17h 18mAir Canada
Deal found 17/9C$ 704
Tue 21/104:05 p.m.YOW - BRU
1 stop10h 00mAir Canada
Mon 27/1010:00 a.m.BRU - YOW
1 stop12h 37mAir Canada
Deal found 15/9C$ 706
Wed 15/102:40 p.m.YOW - BRU
1 stop11h 25mAir Canada
Wed 22/1010:00 a.m.BRU - YOW
1 stop9h 51mAir Canada
Deal found 16/9C$ 710
Thu 2/101:55 p.m.YOW - BRU
2 stops12h 10mAir Canada
Thu 16/1010:00 a.m.BRU - YOW
2 stops13h 07mAir Canada
Deal found 15/9C$ 715
Sun 12/104:05 p.m.YOW - BRU
1 stop10h 00mMultiple Airlines
Fri 17/106:55 a.m.BRU - YOW
2 stops18h 09mMultiple Airlines
Deal found 15/9C$ 722
Tue 21/101:55 p.m.YOW - BRU
2 stops12h 10mAir Canada
Wed 29/1010:00 a.m.BRU - YOW
2 stops13h 38mAir Canada
Deal found 15/9C$ 724
Wed 22/103:55 p.m.YOW - BRU
2 stops16h 20mMultiple Airlines
Wed 29/1010:00 a.m.BRU - YOW
2 stops14h 41mMultiple Airlines
Deal found 15/9C$ 743
Sun 12/105:05 p.m.YOW - CRL
2 stops17h 40mMultiple Airlines
Fri 17/108:45 a.m.CRL - YOW
2 stops21h 37mMultiple Airlines
Deal found 15/9C$ 1,189
Thu 18/95:55 a.m.YOW - CRL
2 stops34h 40mMultiple Airlines
Mon 20/103:05 p.m.CRL - YOW
3 stops39h 17mMultiple Airlines
Deal found 15/9C$ 1,321

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 September 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

Fri 24/10

11:05 a.m.-8:05 a.m.

1 stop15h 00m

Brussels Bruxelles-National

Fri 31/10

10:00 a.m.-10:18 p.m.

1 stop17h 18m

C$ 704

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 23/10

4:05 p.m.-8:05 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Tue 28/10

10:00 a.m.-5:37 p.m.

1 stop12h 37m

C$ 706

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 23/10

4:05 p.m.-8:05 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Mon 27/10

10:00 a.m.-5:37 p.m.

1 stop12h 37m

C$ 706

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 2/10

4:05 p.m.-8:05 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Thu 16/10

10:00 a.m.-10:04 p.m.

1 stop18h 04m

C$ 706

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Wed 22/10

11:05 a.m.-8:05 a.m.

1 stop15h 00m

Brussels Bruxelles-National

Wed 29/10

10:00 a.m.-7:41 p.m.

2 stops14h 41m

C$ 706

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 2/10

4:05 p.m.-8:05 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Thu 16/10

10:00 a.m.-8:17 p.m.

2 stops16h 17m

C$ 706

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 20/10

4:05 p.m.-8:05 a.m.

1 stop10h 00m

Brussels Bruxelles-National

Fri 31/10

10:00 a.m.-5:37 p.m.

1 stop12h 37m

C$ 706

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Wed 15/10

2:40 p.m.-8:05 a.m.

1 stop11h 25m

Brussels Bruxelles-National

Wed 22/10

10:00 a.m.-8:30 a.m.

2 stops28h 30m

C$ 710

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 13/10

1:55 p.m.-8:05 a.m.

2 stops12h 10m

Brussels Bruxelles-National

Mon 20/10

10:00 a.m.-5:07 p.m.

2 stops13h 07m

C$ 715

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sun 12/10

5:05 p.m.-4:45 p.m.

2 stops17h 40m

Charleroi Brussels

Fri 17/10

8:45 a.m.-12:22 a.m.

2 stops21h 37m

C$ 1,189

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 20 results
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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
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 12 September 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 86 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, October is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 650). Flying from Ottawa to Brussels in December is currently the most expensive (average of C$ 950). 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 17 September 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% 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 17 September 2025.
Get a feel of what it's like to fly with Air France,United Airlines, andBrussels Airlines 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.
Air France
7.4
Good
1,468 reviews
Check prices

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.4
Good
1,468 reviews
Air France
7.4
Good
1,468 reviews
Check prices

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
United Airlines
7.4
Good
8,926 reviews
Air France
7.4
Good
1,468 reviews
Check prices

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Brussels Airlines
7.3
Good
359 reviews
Air France
7.4
Good
1,468 reviews
Check prices

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air Canada
7.1
Good
10,000 reviews
Air France
7.4
Good
1,468 reviews
Check prices

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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. 4 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 15h. Fly via Air Canada 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?

    Brussels Airlines, at C$ 734, was found to be the cheapest airline from Ottawa to Brussels.Alternate airlines to your destination round-trip include United Airlines and Air Canada. Users have found that Brussels Airlines is 36% 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$ 650). Flying from Ottawa to Brussels in December is currently the most expensive (average of C$ 950). 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 4 airlines flying from Ottawa to Brussels

Discover the top 4 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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapestC$ 734AverageC$ 1,084FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapestC$ 804AverageC$ 853FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 836AverageC$ 1,083FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 882AverageC$ 1,616FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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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?

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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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