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Cheap flights from Portland to Brussels from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Brussels departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Lufthansa Logo
6:45 am - 6:30 pm
BRU
-
PDX
20h 45m2 stops
$486Lufthansa
Wed, Jan 14 - Sun, Jan 18
Lufthansa Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Lufthansa Logo
10:10 am - 10:56 pm
BRU
-
PDX
21h 46m1 stop
$487Lufthansa
Sun, Feb 15 - Sat, Feb 28
United Airlines Logo
10:56 am - 8:55 am
PDX
-
BRU
12h 59m1 stop
United Airlines Logo
10:00 am - 11:00 pm
BRU
-
PDX
45h 00m3 stops
$488United Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
9:50 am - 8:00 pm
PDX
-
BRU
25h 10m2 stops
Multiple Airlines Logo
10:00 am - 2:40 pm
BRU
-
PDX
37h 40m2 stops
$493Multiple Airlines
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
9:50 am - 1:15 pm
PDX
-
BRU
42h 25m2 stops
Multiple Airlines Logo
10:10 am - 9:15 pm
BRU
-
PDX
44h 05m2 stops
$495Multiple Airlines
Sun, Feb 15 - Sat, Feb 28
Lufthansa Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Lufthansa Logo
9:35 am - 6:30 pm
BRU
-
PDX
17h 55m2 stops
$497Lufthansa
Wed, Jan 14 - Sun, Jan 18
Air Canada Logo
7:00 pm - 7:50 am
PDX
-
BRU
27h 50m2 stops
Air Canada Logo
10:00 am - 9:15 am
BRU
-
PDX
32h 15m2 stops
$500Air Canada
Wed, Jan 14 - Sun, Jan 18
United Airlines Logo
9:50 am - 8:55 am
PDX
-
BRU
38h 05m2 stops
United Airlines Logo
10:00 am - 9:45 am
BRU
-
PDX
32h 45m2 stops
$503United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
8:30 am - 1:15 pm
PDX
-
BRU
19h 45m2 stops
United Airlines Logo
11:15 am - 8:43 pm
BRU
-
PDX
18h 28m1 stop
$504United Airlines
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
10:47 am - 1:15 pm
PDX
-
BRU
17h 28m2 stops
United Airlines Logo
10:00 am - 12:39 am
BRU
-
PDX
23h 39m2 stops
$508United Airlines
Fri, Jan 16 - Tue, Jan 20

KLM flights from Portland to Brussels Bruxelles-National Airport

Our best KLM deals on Portland to Brussels Bruxelles-National Airport flight tickets
KLM
Mar 29
PDX6:30 amPortland
16h 10m
1 stop
BRU7:40 amBrussels Bruxelles-National
Apr 8
BRU8:05 amBrussels Bruxelles-National
12h 05m
1 stop
PDX11:10 amPortland
$796
Find similar
KLM
Mar 29
PDX6:30 amPortland
16h 10m
1 stop
BRU7:40 amBrussels Bruxelles-National
Apr 8
BRU3:10 pmBrussels Bruxelles-National
29h 00m
1 stop
PDX11:10 amPortland
$846
Find similar
KLM
Mar 20
PDX6:30 amPortland
17h 30m
1 stop
BRU8:00 amBrussels Bruxelles-National
Mar 31
BRU10:25 amBrussels Bruxelles-National
33h 45m
1 stop
PDX11:10 amPortland
$961
Find similar

United Airlines flights from Portland to Brussels Bruxelles-National Airport

Our best United Airlines deals on Portland to Brussels Bruxelles-National Airport flight tickets
United Airlines
Mar 4
PDX10:56 amPortland
12h 59m
1 stop
BRU8:55 amBrussels Bruxelles-National
Mar 10
BRU10:00 amBrussels Bruxelles-National
45h 00m
3 stops
PDX11:00 pmPortland
$488
Find similar
United Airlines
Jan 24
PDX9:50 amPortland
38h 05m
2 stops
BRU8:55 amBrussels Bruxelles-National
Jan 31
BRU10:00 amBrussels Bruxelles-National
32h 45m
2 stops
PDX9:45 amPortland
$503
Find similar
United Airlines
Feb 20
PDX8:30 amPortland
19h 45m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 24
BRU11:15 amBrussels Bruxelles-National
18h 28m
1 stop
PDX8:43 pmPortland
$504
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Brussels Bruxelles-National Airport 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Portland to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Sun 1/18

6:45 am-6:30 pm

2 stops20h 45m

$486

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 2/15

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Sat 2/28

10:10 am-10:56 pm

1 stop21h 46m

$487

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 3/4

10:56 am-8:55 am

1 stop12h 59m

Brussels Bruxelles-National

Tue 3/10

10:00 am-11:00 pm

3 stops45h 00m

$488

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

9:50 am-8:00 pm

2 stops25h 10m

Brussels Bruxelles-National

Sun 1/18

10:00 am-2:40 pm

2 stops37h 40m

$493

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 2/15

9:50 am-1:15 pm

2 stops42h 25m

Brussels Bruxelles-National

Sat 2/28

10:10 am-9:15 pm

2 stops44h 05m

$495

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Sun 1/18

9:35 am-6:30 pm

2 stops17h 55m

$497

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

7:00 pm-7:50 am

2 stops27h 50m

Brussels Bruxelles-National

Sun 1/18

10:00 am-9:15 am

2 stops32h 15m

$500

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sat 1/24

9:50 am-8:55 am

2 stops38h 05m

Brussels Bruxelles-National

Sat 1/31

10:00 am-9:45 am

2 stops32h 45m

$503

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 2/20

8:30 am-1:15 pm

2 stops19h 45m

Brussels Bruxelles-National

Tue 2/24

11:15 am-8:43 pm

1 stop18h 28m

$504

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

10:47 am-1:15 pm

2 stops17h 28m

Brussels Bruxelles-National

Tue 1/20

10:00 am-12:39 am

2 stops23h 39m

$508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Portland to Brussels Bruxelles-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Brussels Bruxelles-National Airport?

What is the cheapest month to fly to Brussels Bruxelles-National Airport?

The cheapest month to fly to Brussels Bruxelles-National Airport from Portland is in October. Flight prices, which tend to average around $619, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Brussels Bruxelles-National Airport from Portland during January instead. Flights to Brussels Bruxelles-National Airport in January, while not as cheap as those in October, still average around $685.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Portland to Brussels Bruxelles-National Airport is on a Monday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Monday will often find tickets for as low as $933. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Brussels Bruxelles-National Airport for around $1,353.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the evening. Flights from Portland to Brussels Bruxelles-National Airport during this time can be as low as $792. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,181 on average. Flights to Brussels Bruxelles-National Airport from Portland in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Brussels Bruxelles-National Airport?

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $890 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Portland for as low as $601 on momondo.

Can stopping save me money on Portland to Brussels Bruxelles-National Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Portland to Brussels Bruxelles-National Airport flight.

When to book flights from Portland to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Brussels Bruxelles-National Airport (PDX to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Brussels Bruxelles-National Airport

Fastest flight time

12h 59m

Direct flights

None
The fastest flight from Portland to Brussels Bruxelles-National Airport takes 12h 59m
There are no direct flights from Portland to Brussels Bruxelles-National Airport. There are no popular flight routes from Portland to Brussels Bruxelles-National Airport.
Search flight deals

  • How far is Portland to Brussels Bruxelles-National by plane?

    The distance between Portland and Brussels Bruxelles-National is about 5063.1 mi. 12h 59m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Brussels Bruxelles-National Airport?

    Prices for flights from Portland Airport to Brussels Bruxelles-National Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Brussels Bruxelles-National Airport?

  • How old do you have to be to fly from Portland Airport to Brussels Bruxelles-National Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Brussels Bruxelles-National Airport?

Best airlines flying from Portland to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Portland to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $393Free CancellationRating
7.0
591 reviews
Search Icelandair flights
United AirlinesPriceFrom $611Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
KLMPriceFrom $611Free CancellationRating
7.7
1,428 reviews
Search KLM flights
Scandinavian AirlinesPriceFrom $629Free CancellationRating
7.4
1,607 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $727Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
DeltaPriceFrom $757Free CancellationRating
7.9
8,005 reviews
Search Delta flights

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Ghent
Bruges
Leuven
Charleroi
Hasselt
Spa
Zaventem
Namur
Dinant
Genk
Mons
Durbuy
Waterloo
Aalst
Mechelen
Francorchamps
Knokke-Heist
Tournai
Oostkamp
Halle

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Brussels?

It is quick and easy to find Portland to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

Can I find flights from Portland to Brussels with flexible booking policies on momondo?

All flight searches from Portland to Brussels on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Brussels?

Once you have performed a search for Portland to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Brussels right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Brussels flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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