Cheap Flights from Ottawa International to Brussels

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Flight deals from Ottawa International to Brussels

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to Brussels? If you want to travel next month, return fares start from $1,211. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Brussels

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to Brussels flights are currently cheapest in June.

Ottawa to Brussels: Flight information

The things to know before you go.
Cheapest flight found$1,179
Cheapest month to flyApril

Finding cheap flights from Ottawa International to Brussels: Frequently asked questions

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.
The best price we found for a return flight from Ottawa International to Brussels is $1,179. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa International to Brussels. But we found flights with one or more stops from $1,179.
As of April 2026, there are no flights flying from Ottawa International to Brussels.
The cheapest month to fly from Ottawa International to Brussels is usually April.
If you're flying from Ottawa International Airport, the cheapest airport near Brussels is Brussels International – which is 11.0 km away from the centre of Brussels. We've found flights into this airport from $1,179.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Brussels on Wednesday, 29 April 2026.
No airlines currently offer direct flights between Ottawa International Airport and Brussels. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Brussels but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 9°C. July is typically the warmest month in Brussels, when it usually averages around 22°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -0°C. The rainiest month is December.
Currently, United offers the cheapest flight tickets to Brussels.

Flying from Ottawa/Macdonald-Cartier International Airport (YOW) to Brussels: what you need to know

  • The timezone in Brussels is UTC+1. The city is five hours ahead of Ottawa, where Ottawa/Macdonald-Cartier International Airport is located.

  • Leave enough time to catch your YOW to Brussels flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months such as August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • The journey from central Ottawa to YOW takes about 45 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic.

  • Searching for a hotel close to YOW? If you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to Brussels, these stays will put you moments from your departure lounge:

  • 58.21% of flights that depart Ottawa/Macdonald-Cartier International Airport arrive at their destination on schedule.

  • YOW is located at 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Brussels

  • The lowest price we've seen for a one-way Ottawa/Macdonald-Cartier International Airport to Brussels flight is $849. The cheapest price for a return flight is $1,179. Keep in mind fares can change due to demand at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from YOW to Brussels. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • Scoring cheap tickets from Ottawa/Macdonald-Cartier International Airport to Brussels is more likely if you're flexible with your dates. Try using the 'Whole month' function to get the lowest prices across every month and pick up a sweet deal.

  • Locking in a cheap flight from YOW to Brussels couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch when a cheaper option becomes available.

  • Select your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Ottawa/Macdonald-Cartier International Airport to Brussels by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) to the centre of Brussels takes about 20 minutes by car. The centre is roughly 14 kilometres away.

  • It typically takes 40 minutes to get there by public transport.

  • Book a hotel near BRU if you're coming in on a late flight from Ottawa/Macdonald-Cartier International Airport to Brussels. Settle into one of these options and make arrival day easier:

  • Explore without limits with a Brussels Airport rental car. Pick up your wheels from Keddy By Europcar, Alamo or Europcar and venture far and wide through Brussels and beyond.

  • Reserving your vehicle from Brussels Airport around three weeks before your flight from YOW to Brussels can help you secure the lowest rate.

Brussels S. Charleroi Airport (CRL)

  • After your flight from Ottawa/Macdonald-Cartier International Airport to Brussels has touched down, you can make your way to the city centre in around 55 minutes by car. Central Brussels is roughly 56 kilometres from Brussels S. Charleroi Airport (CRL).

  • You can expect the trip to take roughly 1 hour 35 minutes on public transport.

  • Place the 'Do not disturb' sign on your door and rest at a hotel close to CRL. Here are a few options where you can kick back after your YOW to Brussels flight:

  • Forget about inconvenient public transport timetables or long cab queues. Grab a Brussels S. Charleroi Airport rental car and let your trip unfold on your terms. Compare availability and rates from Keddy By Europcar, Thrifty and Budget.

  • Avoid paying extra. Securing your ride two weeks before your arrival at CRL can get you a lower rate.

Best time to go to Brussels

  • Carefully consider your trip dates before securing your flight from Ottawa/Macdonald-Cartier International Airport to Brussels. The city buzzes during high season, but hotel rates are usually higher and attractions can get crowded. Visit Brussels in low season if you prefer a more relaxed vibe.

  • The warmest month in Brussels is August, with temperatures ranging between 12ºC and 27ºC. Lock in your Ottawa/Macdonald-Cartier International Airport to Brussels flight ticket then if you enjoy this type of weather.

  • January has average temperatures of between -2ºC and 8ºC. Look for a cheap ticket from YOW to Brussels around that time if you'd rather travel in cooler conditions.

More about Brussels

  • After booking your flight from Ottawa/Macdonald-Cartier International Airport to Brussels, choose a hotel that puts you right where the action is. Make one of these accommodation options your base for exploring Brussels:

  • All great holidays should include a little sightseeing. Atomium, Grand Place and Manneken Pis are attractions you won't want to skip in Brussels.

Explore more of Belgium

  • Ostend is just one of the many cities in Belgium waiting to be discovered after you've seen Brussels. Around 113 kilometres away to the west, its top attractions include Fort Napoleon, The Crystal Ship and Leopoldpark.

  • Verviers is another must-experience destination in Belgium and is around 113 kilometres east of Brussels. No trip is complete without seeing Quai Pierre Rapsat, Parc de Séroule and Parc de la Tourelle.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.