Find cheap flights from Ottawa to Brussels – Compare and Save

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Everything you should know

Direct flights
Not available
There are currently no direct flights between Ottawa and Brussels. You'll need to take a connecting flight to reach the destination.
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Top routes
YOW - BRU
Cheapest • 36% average savings
YOW - CRL
Most popular
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When to book
14 weeks
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 32% compared to booking last minute.
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When to travel
November
Cheapest • 23% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Washington, D.C. Dulles Intl (IAD)
Cheapest • Avg C$ 843 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 10h 43m (one-way)
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We hope you enjoy your trip to Brussels!
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Booking Insights
Flight Deals

Cheap Flights from Ottawa to Brussels (YOW-BRU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to Brussels

Multiple Airlines Logo
YOW  Ottawa Airport-BR1 Roanoke 8040 Plantation Rd
9132 kmmulti-stop
Multiple Airlines Logo
BR1  Roanoke 8040 Plantation Rd-YOW Ottawa Airport
9132 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Ottawa to Brussels flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Ottawa to Brussels?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Ottawa to Brussels. It’s 8% cheaper than the average day, while Tuesday is the most expensive, with prices 17% higher.

What is the cheapest month to fly from Ottawa to Brussels?

•November is the cheapest month to fly from Ottawa to Brussels at C$ 920 round-trip.
•December (C$ 1,401) and July (C$ 1,361) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 52% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ottawa to Brussels the cheapest?

Flights from Ottawa to Brussels are cheapest 14 weeks before departure. Booking in this window typically costs about 32% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Ottawa to Brussels flights

Low season

February
Beat the crowds with an average 36% drop in traveller numbers.
The most popular month to fly with an average 41% increase in traveller numbers.

When to book flights from Ottawa to Brussels

Are your dates flexible? Find out the best times to travel from Ottawa to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ottawa to Brussels flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Ottawa to Brussels?

    Two cabin classes are available on flights from Ottawa to Brussels:

    • Economy Class
    • Business Class

  • How long does a flight from Ottawa to Brussels take?

    A direct flight from Ottawa to Brussels takes 00m, covering 9,132 km.

  • Do I need a passport to fly from Ottawa to Brussels?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Ottawa to Brussels flight?

    Round-trip flights from Ottawa to Brussels range from C$ 1,034 to C$ 1,415, with an average of C$ 1,194 over the past 12 months. Anything below C$ 1,034 counts as a good deal.

  • How expensive are last-minute Ottawa to Brussels flights?

    Last-minute fares on this route (booked within two weeks of departure) run 10% above the C$ 1,194 route average. Book 14 weeks before departure for the lowest fares.

  • What car rental options are available in Brussels?

    Since Brussels is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Brussels Bruxelles-National Airport (BRU) – daily rates from around C$ 26:

    • Alamo
    • Hertz
    • keddy by Europcar
    • Europcar
    • Sixt

    Near Charleroi Brussels Airport (CRL) – daily rates from around C$ 32:

    • keddy by Europcar
    • Europcar
    • Hertz
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Ottawa to Brussels?

    Flights from Ottawa to Brussels usually depart from Ottawa (YOW) and may arrive at several airports in Brussels area, including Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL).

  • Which airports do connecting flights from Ottawa to Brussels pass through?

    One-stop flights from Ottawa to Brussels most commonly connect through:

    • Montreal Pierre Elliott Trudeau Intl (YUL) – 73% of one-stop connections
    • Halifax Intl (YHZ) – 11% of one-stop connections
    • Newark (EWR) – 11% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Ottawa to Brussels?

    Yes. Flexible dates can save you up to 22% on flights from Ottawa to Brussels. Friday is the cheapest departure day at C$ 1,101 round-trip on average, while Tuesday is the most expensive at C$ 1,409, a difference of C$ 308.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport when travelling from Ottawa to Brussels?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 10h 43m, compared with 10h 53m via Toronto Pearson Intl (YYZ) and 11h 12m via Newark (EWR).

  • What is the time difference between Ottawa and Brussels?

    Brussels is 6 hours ahead of Ottawa (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in Brussels?

    Some of the most popular sights in Brussels are Grand Place, Atomium, and Place Rogier. These are among the most viewed places in Brussels on KAYAK.

Your guide to booking Ottawa to Brussels flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Tuesday. On this route, Friday flights average C$ 1,101, about C$ 308 less than Tuesday fares (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 32% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ottawa to Brussels trip for November. Fares historically average C$ 920 round-trip in that month – typically C$ 481 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Brussels Bruxelles-National Airport.

    • NH Brussels Airport
    • Crowne Plaza Brussels Airport By IHG

More options for your flight from Ottawa to Brussels

Complete your trip to Brussels with a hotel stay or car rental

Car rentals in Brussels
Hotels in Brussels
Vacations in Brussels