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Cheap flights from Ottawa to Brussels from C$ 497

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BRU
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Ottawa to Brussels are usually found in January or May, booked 29 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 11 April 2025.

Round-trip from

C$ 830

One-way from

C$ 497

Popular in

October

Cheapest in

January

Average price

C$ 1,004
United Airlines
  • United Airlines
  • 28/4-10/5
  • 2 total stops
  • 57h 44m total
  • Ottawa to Brussels
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25/5
  • 25/5
  • 2 total stops
  • 45h 30m total
  • Ottawa to Brussels
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 65 potential savings vs. average RT price).
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Average for round-trip flights in April 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 11 April 2025.

Mon 28/47:29 p.m.YOW - BRU
1 stop29h 46mUnited Airlines
Mon 12/512:00 p.m.BRU - YOW
1 stop27h 58mUnited Airlines
Deal found 10/4C$ 830
Wed 30/410:30 a.m.YOW - BRU
2 stops14h 05mAir Canada
Sun 11/510:00 a.m.BRU - YOW
1 stop29h 01mAir Canada
Deal found 10/4C$ 1,057
Sun 4/58:55 p.m.YOW - BRU
2 stops34h 05mLufthansa
Mon 12/510:00 a.m.BRU - YOW
1 stop18h 07mLufthansa
Deal found 10/4C$ 1,087
Thu 15/54:05 p.m.YOW - BRU
1 stop10h 00mBrussels Airlines
Wed 28/510:00 a.m.BRU - YOW
1 stop9h 50mBrussels Airlines
Deal found 10/4C$ 1,106
Sun 1/611:05 a.m.YOW - BRU
2 stops14h 45mMultiple Airlines
Mon 30/610:00 a.m.BRU - YOW
1 stop9h 44mMultiple Airlines
Deal found 10/4C$ 1,189
Thu 1/57:55 p.m.YOW - BRU
2 stops30h 10mAustrian Airlines
Tue 13/56:50 a.m.BRU - YOW
2 stops16h 14mAustrian Airlines
Deal found 10/4C$ 1,206
Thu 1/59:05 a.m.YOW - BRU
2 stops17h 45mSWISS
Tue 13/59:40 a.m.BRU - YOW
2 stops15h 24mSWISS
Deal found 11/4C$ 1,231

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 11 April 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

Mon 28/4

7:29 p.m.-7:15 a.m.

1 stop29h 46m

Brussels Bruxelles-National

Sat 10/5

12:00 p.m.-9:58 a.m.

1 stop27h 58m

C$ 830

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Wed 30/4

10:30 a.m.-6:35 a.m.

2 stops14h 05m

Brussels Bruxelles-National

Sun 11/5

10:00 a.m.-9:01 a.m.

1 stop29h 01m

C$ 1,057

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 4/5

8:55 p.m.-1:00 p.m.

2 stops34h 05m

Brussels Bruxelles-National

Mon 12/5

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

1 stop18h 07m

C$ 1,087

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 15/5

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

1 stop10h 00m

Brussels Bruxelles-National

Wed 28/5

10:00 a.m.-1:50 p.m.

1 stop9h 50m

C$ 1,106

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 1/6

11:05 a.m.-7:50 a.m.

2 stops14h 45m

Brussels Bruxelles-National

Mon 30/6

10:00 a.m.-1:44 p.m.

1 stop9h 44m

C$ 1,189

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 1/5

7:55 p.m.-8:05 a.m.

2 stops30h 10m

Brussels Bruxelles-National

Tue 13/5

6:50 a.m.-5:04 p.m.

2 stops16h 14m

C$ 1,206

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Thu 1/5

9:05 a.m.-8:50 a.m.

2 stops17h 45m

Brussels Bruxelles-National

Tue 13/5

9:40 a.m.-7:04 p.m.

2 stops15h 24m

C$ 1,231

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 25/5

5:55 a.m.-9:25 a.m.

2 stops45h 30m

C$ 497

OttawaBrussels

YOW - CRL

YOWCRL

Ottawa

Thu 8/5

11:00 a.m.-1:55 p.m.

3 stops44h 55m

C$ 653

OttawaBrussels

YOW - BRU

YOWBRU

Ottawa

Sun 25/5

6:40 p.m.-8:05 a.m.

1 stop31h 25m

C$ 1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

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

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 4 April 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 28 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$ 666). 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 11 April 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.

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 mm per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

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 11 April 2025.
Austrian Airlines
7.6
Good
774 reviews
Check prices

Entertainment

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
774 reviews
Austrian Airlines
7.6
Good
774 reviews
Check prices

Entertainment

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,575 reviews
Austrian Airlines
7.6
Good
774 reviews
Check prices

Entertainment

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,636 reviews
Austrian Airlines
7.6
Good
774 reviews
Check prices

Entertainment

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Brussels Airlines
7.4
Good
345 reviews
Austrian Airlines
7.6
Good
774 reviews
Check prices

Entertainment

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
9,088 reviews
Austrian Airlines
7.6
Good
774 reviews
Check prices

Entertainment

6.8

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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.

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

    United Airlines, at C$ 830, was found to be the cheapest airline from Ottawa to Brussels.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. Users have found that United Airlines 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$ 666). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 812AverageC$ 945FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 890AverageC$ 1,103FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 991AverageC$ 1,274FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapestC$ 1,025AverageC$ 1,393FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Brussels flexibly with Cheapflights today.

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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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