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Cheap flights from Portland to Brussels from $346

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 5/23. 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.
Multiple Airlines Logo
3:15 pm - 7:50 amPDX-BRU
31h 35m2 stops
Multiple Airlines Logo
10:00 am - 11:57 amBRU-PDX
34h 57m2 stops
$480Multiple Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
United Airlines Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
United Airlines Logo
10:00 am - 11:57 amBRU-PDX
34h 57m2 stops
$484United Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
United Airlines Logo
10:47 am - 1:15 pmPDX-BRU
17h 28m2 stops
United Airlines Logo
10:10 am - 6:56 pmBRU-PDX
17h 46m1 stop
$503United Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Brussels Airlines Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
Brussels Airlines Logo
10:10 am - 6:56 pmBRU-PDX
17h 46m1 stop
$507Brussels Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
British Airways Logo
5:45 pm - 3:25 pmPDX-BRU
12h 40m1 stop
British Airways Logo
9:45 pm - 3:55 pmBRU-PDX
27h 10m1 stop
$508British Airways
Find Deal
Fri, Jan 16 - Tue, Jan 20
Lufthansa Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
Lufthansa Logo
11:15 am - 12:39 amBRU-PDX
22h 24m2 stops
$511Lufthansa
Find Deal
Fri, Jan 16 - Tue, Jan 20
Scandinavian Airlines Logo
7:00 am - 9:40 amPDX-BRU
17h 40m2 stops
Scandinavian Airlines Logo
8:30 pm - 10:24 pmBRU-PDX
34h 54m2 stops
$552Scandinavian Airlines
Find Deal
Sun, Feb 1 - Wed, Mar 4
Scandinavian Airlines Logo
1:00 pm - 2:35 pmPDX-BRU
40h 35m2 stops
Scandinavian Airlines Logo
10:20 am - 10:22 pmBRU-PDX
21h 02m2 stops
$588Scandinavian Airlines
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Sun, Mar 29 - Wed, Apr 8
United Airlines Logo
5:00 am - 7:50 amPDX-BRU
17h 50m2 stops
United Airlines Logo
10:10 am - 6:56 pmBRU-PDX
17h 46m1 stop
$607United Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
Scandinavian Airlines Logo
1:00 pm - 7:50 pmPDX-BRU
22h 50m2 stops
Scandinavian Airlines Logo
3:15 pm - 10:22 pmBRU-PDX
40h 07m2 stops
$618Scandinavian Airlines
Find Deal
Tue, Mar 17 - Tue, Apr 7

United Airlines flights from Portland to Brussels

Our best United Airlines deals on Portland to Brussels flight tickets
United Airlines
Jan 16
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 20
BRU10:00 amBrussels Bruxelles-National
34h 57m
2 stops
PDX11:57 amPortland
$484
Find similar
United Airlines
Jan 16
PDX10:47 amPortland
17h 28m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 20
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$503
Find similar
United Airlines
Jan 6
PDX5:00 amPortland
17h 50m
2 stops
BRU7:50 amBrussels Bruxelles-National
Jan 13
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$607
Find similar

Brussels Airlines flights from Portland to Brussels

Our best Brussels Airlines deals on Portland to Brussels flight tickets
Brussels Airlines
Jan 16
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 20
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$507
Find similar
Brussels Airlines
Dec 2
PDX7:11 amPortland
21h 04m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 9
BRU10:10 amBrussels Bruxelles-National
17h 35m
1 stop
PDX6:45 pmPortland
$654
Find similar
Brussels Airlines
Feb 1
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Mar 4
BRU10:10 amBrussels Bruxelles-National
17h 39m
1 stop
PDX6:49 pmPortland
$679
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Brussels 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 November 24, 2025.
Use the filters below to find and compare flights from Portland to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/7

3:15 pm-7:50 am

2 stops31h 35m

Brussels Bruxelles-National

Wed 1/14

10:00 am-11:57 am

2 stops34h 57m

$480

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Tue 1/20

10:00 am-11:57 am

2 stops34h 57m

$484

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

10:47 am-1:15 pm

2 stops17h 28m

Brussels Bruxelles-National

Tue 1/20

10:10 am-6:56 pm

1 stop17h 46m

$503

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Tue 1/20

10:10 am-6:56 pm

1 stop17h 46m

$507

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

5:45 pm-3:25 pm

1 stop12h 40m

Brussels Bruxelles-National

Tue 1/20

9:45 pm-3:55 pm

1 stop27h 10m

$508

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Tue 1/20

11:15 am-12:39 am

2 stops22h 24m

$511

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 2/1

7:00 am-9:40 am

2 stops17h 40m

Brussels Bruxelles-National

Wed 3/4

8:30 pm-10:24 pm

2 stops34h 54m

$552

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 3/29

1:00 pm-2:35 pm

2 stops40h 35m

Brussels Bruxelles-National

Wed 4/8

10:20 am-10:22 pm

2 stops21h 02m

$588

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Tue 1/6

5:00 am-7:50 am

2 stops17h 50m

Brussels Bruxelles-National

Tue 1/13

10:10 am-6:56 pm

1 stop17h 46m

$607

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Tue 3/17

1:00 pm-7:50 pm

2 stops22h 50m

Brussels Bruxelles-National

Tue 4/7

3:15 pm-10:22 pm

2 stops40h 07m

$618

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

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?

What is the cheapest month to fly to Brussels?

In general, October is the cheapest month to fly from Portland to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $619. If you are unable to visit Brussels during the month of October, then departing from Portland during the month September is also very affordable. Most momondo users find prices during this month for around $732.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Portland is on a Monday. momondo users have found tickets for Monday departures for as low as $933. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,353.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is in the evening. momondo users have found flights departing from Portland to Brussels in the evening for as low as $792. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,181.

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $894 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Portland for as low as $533 on momondo.

Cheap Portland to Brussels flight deals and tips

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

Direct flights

None
There are no direct flights from Portland to Brussels. There are no popular flight routes from Portland to Brussels.
Search flight deals

  • How far is Portland to Brussels by plane?

    Brussels is 5062.5 mi away from Portland. By plane, this route typically takes 12h 40m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents you'll need for your trip to Brussels 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Brussels

Compare and see reviews for airlines that fly from Portland to Brussels with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $533Free CancellationRating
7.0
581 reviews
Search Icelandair flights
DeltaPriceFrom $611Free CancellationRating
7.9
7,993 reviews
Search Delta flights
KLMPriceFrom $619Free CancellationRating
7.7
1,419 reviews
Search KLM flights
United AirlinesPriceFrom $635Free CancellationRating
7.4
9,039 reviews
Search United Airlines flights
British AirwaysPriceFrom $727Free CancellationRating
6.7
7,535 reviews
Search British Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels from Portland.

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

momondo does allow users to show only those flights to Brussels from Portland which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Portland to Brussels flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Portland to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport