Cheap flights from Portland to Brussels

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Flight deals from Portland to Brussels

Looking for a cheap last-minute deal or the best round-trip flight from Portland Airport to Brussels? If you want to travel next month, round-trip fares start from $1,021. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Portland to Brussels

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

Portland to Brussels: Flight information

The things to know before you go.
Cheapest flight found$717
Cheapest month to flySeptember

Finding cheap flights from Portland 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 round-trip flight from Portland to Brussels is $717. 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 Portland to Brussels. But we found flights with one or more stops from $717.
There are no flights flying from Portland to Brussels, as of June 2026.
The cheapest month to fly from Portland to Brussels is usually September.
If you're flying from Portland Airport, the cheapest airport near Brussels is Brussels International – which is 11.0 km away from the center of Brussels. We've found flights to this airport from $717.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Brussels on Wednesday, September 2, 2026.
No airlines currently offer direct flights between Portland 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 June, the average temperature is usually around 15°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, Icelandair offers the cheapest flight tickets to Brussels.

Traveling from Portland International Airport (PDX) to Brussels: what you need to know

  • Brussels is nine hours ahead of Portland, where Portland International Airport is located. Brussels observes the UTC+1 timezone.

  • Leave enough time to get on your PDX to Brussels flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you fly during high season in general.

  • Think about adding a stopover to potentially score a cheaper plane ticket from PDX to Brussels. All you need to do is deselect 'Direct flights only' during your search. Break up your journey by stopping at one of these airports:

    • Chicago O'Hare International Airport (ORD)

    • Washington Dulles International Airport (IAD)

    • Keflavik Airport (KEF)

  • PDX is about 10 kilometers from central Portland. If you're ride-sharing, catching a cab or driving from the center, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 40 minutes.

  • Planning to catch an early flight from Portland International Airport to Brussels? Avoid rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays near PDX:

  • 83% of flights leaving Portland International Airport reach their destination on time. With its dependable on-time performance, you're unlikely to experience delays when jetting out of PDX.

  • You'll find PDX at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Brussels

  • The best price we've seen for a one-way Portland International Airport to Brussels flight is $281. The cheapest price for a return flight is $717. Remember fares can change due to availability at the time of booking.

  • Booking early is often the key to scoring a cheap flight from PDX to Brussels. Flight prices rise as demand increases, so the nearer your departure date, the more expensive your ticket may be.

  • Finding cheap tickets from Portland International Airport to Brussels is easier if you can be flexible with your trip dates. Try using the 'Whole month' tool to get the lowest prices across each month and bag a sweet deal.

  • Stay on top of deals for cheap flights from PDX to Brussels by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.

  • Find an affordable flight from Portland International Airport to Brussels with the help of our filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) is around 13 kilometers from central Brussels. If you're opting for a ride-share or a cab, the drive takes roughly 25 minutes.

  • Traveling by public transport takes about 20 minutes.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Portland International Airport to Brussels. Stay at one of these accommodation options near BRU instead:

  • Booking your ride from Brussels Airport about three weeks before your flight from PDX to Brussels can help you get the lowest rate.

Brussels South Charleroi Airport (CRL)

  • Brussels South Charleroi Airport (CRL) is around 56 kilometers from central Brussels. Once you've hopped off your flight from Portland International Airport to Brussels, it'll take you around 55 minutes to get to the heart of the city in a ride-share or cab.

  • If you travel by public transport, the ride to the center will take you 1 hour 15 minutes or so.

  • 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 check in after your PDX to Brussels flight:

  • Avoid paying extra. Booking your ride two weeks ahead of your arrival at CRL will help you save.

Best time to go to Brussels

  • It's time to figure out your trip dates for your flight from Portland International Airport to Brussels. September is the busiest month to visit Brussels. If you prefer a more relaxed atmosphere, go in December.

  • When booking your Portland International Airport to Brussels plane ticket, think about what kind of weather you prefer. August is the warmest month in Brussels, with temperatures ranging from 12ºC (54ºF) to 27ºC (81ºF).

  • Search for cheap tickets from PDX to Brussels in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -2ºC (28ºF) and 8ºC (46ºF) on average.

More about Brussels

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Brussels right here. Check out these options once you've booked your flight from Portland International Airport to Brussels:

  • Atomium and Grand Place are just two of the top-rated attractions to add to your Brussels travel itinerary. Keep the sightseeing going at Royal Palace of Brussels.

Explore more of Belgium

  • You've seen Brussels, now it's time to explore other parts of Belgium. Travel around 113 kilometers west to Ostend to tick off its leading sights. From Church of Saint Peter and Saint Paul to The Crystal Ship and Mu.ZEE, you've got a jam-packed schedule ahead.

  • Around 113 kilometers east of Brussels, Verviers is another favorite stop in Belgium. No visit is complete without checking out Hôtel communal ou Ancienne Halle - Monument classé, Musée d'Archéologie et du Folklore and Musée des Beaux Arts et de la Ceramique.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.