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Cheap flights from Portland to Brussels from $399

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 9/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 12:55 pmPDX  Portland-BRU Brussels Bruxelles-National
12h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:50 pm - 5:55 pmBRU  Brussels Bruxelles-National-PDX Portland
13h 05m1 stop Reykjavik Keflavik Intl
$653Icelandair
Thu, Sep 24 - Wed, Oct 7
Icelandair Logo
3:30 pm - 12:55 pmPDX  Portland-BRU Brussels Bruxelles-National
12h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:50 pm - 5:55 pmBRU  Brussels Bruxelles-National-PDX Portland
13h 05m1 stop Reykjavik Keflavik Intl
$689Icelandair
Thu, Oct 8 - Sun, Oct 18
Multiple Airlines Logo
3:15 pm - 8:10 pmPDX  Portland-BRU Brussels Bruxelles-National
19h 55m2 stops Vancouver Intl London Heathrow
Multiple Airlines Logo
10:00 am - 8:46 pmBRU  Brussels Bruxelles-National-PDX Portland
19h 46m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$732Multiple Airlines
Tue, Nov 3 - Fri, Nov 13
Multiple Airlines Logo
3:30 pm - 12:55 pmPDX  Portland-BRU Brussels Bruxelles-National
12h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:25 pm - 11:39 amBRU  Brussels Bruxelles-National-PDX Portland
50h 14m2 stops Barcelona-El Prat Los Angeles
$743Multiple Airlines
Wed, Oct 7 - Thu, Oct 22
United Airlines Logo
8:40 am - 8:55 amPDX  Portland-BRU Brussels Bruxelles-National
15h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
10:10 am - 10:27 pmBRU  Brussels Bruxelles-National-PDX Portland
21h 17m1 stop Chicago O'Hare Intl
$767United Airlines
Tue, Nov 3 - Fri, Nov 13
British Airways Logo
5:45 pm - 4:40 pmPDX  Portland-BRU Brussels Bruxelles-National
13h 55m1 stop London Heathrow
British Airways Logo
11:50 am - 3:50 pmBRU  Brussels Bruxelles-National-PDX Portland
13h 00m1 stop London Heathrow
$796British Airways
Mon, Nov 2 - Mon, Nov 16
United Airlines Logo
7:45 pm - 8:00 pmPDX  Portland-BRU Brussels Bruxelles-National
39h 15m2 stops Vancouver Intl London Heathrow
United Airlines Logo
9:10 am - 3:05 pmBRU  Brussels Bruxelles-National-PDX Portland
38h 55m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl
$799United Airlines
Tue, Oct 6 - Fri, Oct 16
KLM Logo
6:50 am - 7:40 amPDX  Portland-BRU Brussels Bruxelles-National
15h 50m1 stop Atlanta Hartsfield-Jackson
KLM Logo
6:20 am - 11:10 amBRU  Brussels Bruxelles-National-PDX Portland
13h 50m1 stop Amsterdam Schiphol
$826KLM
Tue, Oct 6 - Tue, Oct 20
KLM Logo
6:45 am - 7:40 amPDX  Portland-BRU Brussels Bruxelles-National
15h 55m1 stop Atlanta Hartsfield-Jackson
KLM Logo
8:05 am - 11:10 amBRU  Brussels Bruxelles-National-PDX Portland
12h 05m1 stop Amsterdam Schiphol
$826KLM
Wed, Sep 30 - Wed, Oct 21
British Airways Logo
5:45 pm - 5:20 pmPDX  Portland-BRU Brussels Bruxelles-National
14h 35m1 stop London Heathrow
British Airways Logo
5:30 pm - 3:50 pmBRU  Brussels Bruxelles-National-PDX Portland
31h 20m1 stop London Heathrow
$826British Airways
Fri, Feb 5 - Tue, Feb 9

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Icelandair flights from Portland to Brussels Bruxelles-National Airport

Our best Icelandair deals on Portland to Brussels Bruxelles-National Airport flight tickets
Icelandair
Sep 24
PDX3:30 pmPortland
12h 25m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Oct 7
BRU1:50 pmBrussels Bruxelles-National
13h 05m
1 stop
PDX5:55 pmPortland
$653
Icelandair
Oct 7
PDX3:30 pmPortland
12h 25m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Oct 18
BRU1:50 pmBrussels Bruxelles-National
13h 05m
1 stop
PDX5:55 pmPortland
$689
Icelandair
Oct 1
PDX3:30 pmPortland
12h 25m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Oct 9
BRU1:50 pmBrussels Bruxelles-National
13h 05m
1 stop
PDX5:55 pmPortland
$721

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
Nov 3
PDX8:40 amPortland
15h 15m
1 stop
BRU8:55 amBrussels Bruxelles-National
Nov 13
BRU10:10 amBrussels Bruxelles-National
21h 17m
1 stop
PDX10:27 pmPortland
$767
United Airlines
Oct 6
PDX7:45 pmPortland
39h 15m
2 stops
BRU8:00 pmBrussels Bruxelles-National
Oct 16
BRU9:10 amBrussels Bruxelles-National
38h 55m
2 stops
PDX3:05 pmPortland
$799
United Airlines
Sep 30
PDX4:09 pmPortland
18h 51m
2 stops
BRU8:00 pmBrussels Bruxelles-National
Oct 21
BRU9:10 amBrussels Bruxelles-National
35h 23m
2 stops
PDX11:33 amPortland
$804

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 August 10, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Thu 9/24

3:30 pm-12:55 pm

1 stop12h 25m

Brussels Bruxelles-National

Wed 10/7

1:50 pm-5:55 pm

1 stop13h 05m

$653

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Thu 10/8

3:30 pm-12:55 pm

1 stop12h 25m

Brussels Bruxelles-National

Sun 10/18

1:50 pm-5:55 pm

1 stop13h 05m

$689

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Tue 11/3

3:15 pm-8:10 pm

2 stops19h 55m

Brussels Bruxelles-National

Fri 11/13

10:00 am-8:46 pm

2 stops19h 46m

$732

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Wed 10/7

3:30 pm-12:55 pm

1 stop12h 25m

Brussels Bruxelles-National

Thu 10/22

6:25 pm-11:39 am

2 stops50h 14m

$743

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Tue 11/3

8:40 am-8:55 am

1 stop15h 15m

Brussels Bruxelles-National

Fri 11/13

10:10 am-10:27 pm

1 stop21h 17m

$767

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Mon 11/2

5:45 pm-4:40 pm

1 stop13h 55m

Brussels Bruxelles-National

Mon 11/16

11:50 am-3:50 pm

1 stop13h 00m

$796

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Tue 10/6

7:45 pm-8:00 pm

2 stops39h 15m

Brussels Bruxelles-National

Fri 10/16

9:10 am-3:05 pm

2 stops38h 55m

$799

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Tue 10/6

6:50 am-7:40 am

1 stop15h 50m

Brussels Bruxelles-National

Tue 10/20

6:20 am-11:10 am

1 stop13h 50m

$826

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Wed 9/30

6:45 am-7:40 am

1 stop15h 55m

Brussels Bruxelles-National

Wed 10/21

8:05 am-11:10 am

1 stop12h 05m

$826

PortlandBrussels

PDX Portland - BRU Brussels Bruxelles-National

PDXBRU

Portland

Fri 2/5

5:45 pm-5:20 pm

1 stop14h 35m

Brussels Bruxelles-National

Tue 2/9

5:30 pm-3:50 pm

1 stop31h 20m

$826

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?

Prices are currently low for flights on this route.

Typical prices usually range from $954 to $1,102.
The lowest price recently found on this route was $653.

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 January. Flight prices, which tend to average around $531, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Brussels Bruxelles-National Airport from Portland during October instead. Flights to Brussels Bruxelles-National Airport in October, while not as cheap as those in January, still average around $619.

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 25m

Direct flights

None
The fastest flight from Portland to Brussels Bruxelles-National Airport takes 12h 25m
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

Frequently asked questions about flying from Portland to Brussels Bruxelles-National Airport

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

    The distance between Portland and Brussels Bruxelles-National is about 5063.1 mi. 12h 25m 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
6.9
728 reviews
Search Icelandair flights
United AirlinesPriceFrom $428Free CancellationRating
7.4
10,098 reviews
Search United Airlines flights
British AirwaysPriceFrom $602Free CancellationRating
6.7
8,153 reviews
Search British Airways flights
KLMPriceFrom $611Free CancellationRating
7.8
1,555 reviews
Search KLM flights
DeltaPriceFrom $611Free CancellationRating
7.8
8,497 reviews
Search Delta flights

Traveling to a place near Brussels?

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