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Cheap flights from Ottawa to Brussels from C$ 378

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
26 Jun — 3 Jul1
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 27 May 2026.

Sat 13/62:52 p.m.
YOW
-
BRU
1 stop10h 23m
Brussels Airlines
Sat 27/610:45 a.m.
BRU
-
YOW
1 stop29h 18m
Brussels Airlines
Deal found 27/5C$ 797
Sat 13/67:30 p.m.
YOW
-
BRU
2 stops30h 15m
United Airlines
Sat 27/610:45 a.m.
BRU
-
YOW
1 stop29h 18m
United Airlines
Deal found 27/5C$ 827
Mon 15/65:50 p.m.
YOW
-
BRU
2 stops13h 25m
United Airlines
Fri 19/611:10 a.m.
BRU
-
YOW
1 stop11h 28m
United Airlines
Deal found 26/5C$ 855
Mon 14/910:25 a.m.
YOW
-
BRU
1 stop15h 00m
United Airlines
Tue 29/911:10 a.m.
BRU
-
YOW
1 stop11h 05m
United Airlines
Deal found 25/5C$ 946
Sun 30/86:55 a.m.
YOW
-
CRL
3 stops32h 20m
Multiple Airlines
Fri 4/99:50 a.m.
CRL
-
YOW
2 stops20h 30m
Multiple Airlines
Deal found 25/5C$ 949
Mon 1/611:15 a.m.
YOW
-
BRU
1 stop13h 55m
Air Canada
Sun 28/69:55 a.m.
BRU
-
YOW
1 stop14h 58m
Air Canada
Deal found 24/5C$ 954
Sat 12/95:10 a.m.
YOW
-
BRU
2 stops20h 15m
United Airlines
Wed 30/912:00 p.m.
BRU
-
YOW
1 stop12h 55m
United Airlines
Deal found 25/5C$ 958
Sat 13/611:15 a.m.
YOW
-
BRU
1 stop13h 55m
Air Canada
Sat 27/69:40 a.m.
BRU
-
YOW
2 stops12h 52m
Air Canada
Deal found 25/5C$ 962
Sat 13/62:52 p.m.
YOW
-
BRU
1 stop10h 23m
Austrian Airlines
Sat 27/69:40 a.m.
BRU
-
YOW
2 stops13h 35m
Austrian Airlines
Deal found 26/5C$ 989
Sun 16/86:55 a.m.
YOW
-
CRL
3 stops32h 20m
Multiple Airlines
Sun 30/812:00 p.m.
CRL
-
YOW
3 stops35h 35m
Multiple Airlines
Deal found 27/5C$ 1,005
Mon 1/66:55 a.m.
YOW
-
CRL
3 stops27h 30m
Multiple Airlines
Sun 7/69:15 a.m.
CRL
-
YOW
2 stops21h 05m
Multiple Airlines
Deal found 24/5C$ 1,143
Mon 1/66:55 a.m.
YOW
-
CRL
3 stops27h 30m
Multiple Airlines
Sun 28/69:15 a.m.
CRL
-
YOW
2 stops21h 05m
Multiple Airlines
Deal found 24/5C$ 1,152

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 27 May 2026.

Round-trip from

C$ 797

One-way from

C$ 378

Popular in

June

Cheapest in

September

Average price

C$ 1,138
Brussels Airlines
  • Brussels Airlines
  • 13/6-27/6
  • 2 total stops
  • 39h 41m total
  • Ottawa to Brussels
Search Deals
17/7
  • 17/7
  • 3 total stops
  • 32h 50m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 27 May 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
Quickest round-trip

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 15/6

5:50 p.m.-1:15 p.m.

2 stops13h 25m

Brussels Bruxelles-National

Fri 19/6

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

1 stop11h 28m

C$ 855

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sun 30/8

6:55 a.m.-9:15 p.m.

3 stops32h 20m

Charleroi Brussels

Fri 4/9

9:50 a.m.-12:20 a.m.

2 stops20h 30m

C$ 949

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 12/9

5:10 a.m.-7:25 a.m.

2 stops20h 15m

Brussels Bruxelles-National

Wed 30/9

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

1 stop12h 55m

C$ 958

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Tue 15/9

12:00 p.m.-7:45 a.m.

2 stops13h 45m

Brussels Bruxelles-National

Tue 29/9

12:00 p.m.-11:54 p.m.

1 stop17h 54m

C$ 958

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sun 16/8

6:55 a.m.-9:15 p.m.

3 stops32h 20m

Charleroi Brussels

Sun 30/8

12:00 p.m.-5:35 p.m.

3 stops35h 35m

C$ 1,005

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Mon 24/8

6:00 a.m.-7:15 a.m.

1 stop19h 15m

Brussels Bruxelles-National

Mon 7/9

12:00 p.m.-11:54 p.m.

1 stop17h 54m

C$ 1,094

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Thu 23/7

6:55 a.m.-10:45 p.m.

3 stops33h 50m

Charleroi Brussels

Sat 1/8

4:10 p.m.-12:20 a.m.

3 stops38h 10m

C$ 1,203

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sat 25/7

6:25 p.m.-4:25 p.m.

2 stops16h 00m

Brussels Bruxelles-National

Sat 1/8

9:50 a.m.-5:35 p.m.

2 stops13h 45m

C$ 1,237

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Sun 21/6

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

3 stops22h 30m

Charleroi Brussels

Sun 28/6

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

2 stops21h 05m

C$ 1,263

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Wed 29/7

6:00 a.m.-7:15 a.m.

1 stop19h 15m

Brussels Bruxelles-National

Sun 16/8

12:00 p.m.-11:54 p.m.

1 stop17h 54m

C$ 1,269

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/5

Showing 1-10 of 32 resultsSorted by cheapest first
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4

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, August is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 630). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 1,107). 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 65 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 27 May 2026.
Get a feel of what it's like to fly with Brussels 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.
Brussels Airlines
7.2
Good
409 reviews
Check prices

Crew

7.9

Boarding

7.3

Entertainment

6.2

Overall

7.2

Comfort

7.0

Food

6.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Brussels Airlines
7.2
Good
409 reviews
Brussels Airlines
7.2
Good
409 reviews
Check prices

Crew

7.9

Boarding

7.3

Entertainment

6.2

Overall

7.2

Comfort

7.0

Food

6.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Air Canada
7.1
Good
11,092 reviews
Brussels Airlines
7.2
Good
409 reviews
Check prices

Crew

7.9

Boarding

7.3

Entertainment

6.2

Overall

7.2

Comfort

7.0

Food

6.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.

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. 2 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 13h 25m. 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$ 718, was found to be the cheapest airline from Ottawa to Brussels. An alternate airline flying to your destination would be Brussels Airlines. Users have found that Air Canada is 34% 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, August is the cheapest month in which you can book a flight from Ottawa to Brussels (average of C$ 630). Flying from Ottawa to Brussels in July is currently the most expensive (average of C$ 1,107). 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 2 airlines flying from Ottawa to Brussels

Discover the top 2 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 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 718AverageC$ 1,166FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapestC$ 735AverageC$ 1,066FlexibilityNo cancel feeOn-timeN/A
Search Brussels 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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