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Cheap flights from Portland to Brussels from $309

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 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Brussels

Cheap round-trip flights

Air Canada Logo
7:00 pm - 7:50 amPDX-BRU
27h 50m2 stops
Air Canada Logo
10:00 am - 6:40 pmBRU-PDX
41h 40m2 stops
$579Air Canada
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Mon, Nov 3 - Wed, Nov 19
Logo
11:59 pm - 8:55 amPDX-BRU
23h 56m1 stop
Logo
10:00 am - 6:30 pmBRU-PDX
41h 30m2 stops
$585
Find Deal
Mon, Nov 3 - Wed, Nov 19
Icelandair Logo
3:20 pm - 12:50 pmPDX-BRU
12h 30m1 stop
Icelandair Logo
1:50 pm - 5:55 pmBRU-PDX
13h 05m1 stop
$586Icelandair
Find Deal
Wed, Oct 8 - Fri, Oct 24
British Airways Logo
5:45 pm - 10:00 amPDX-BRU
31h 15m1 stop
British Airways Logo
11:50 am - 3:55 pmBRU-PDX
13h 05m1 stop
$619British Airways
Find Deal
Mon, Nov 3 - Wed, Nov 19
Icelandair Logo
3:20 pm - 12:50 pmPDX-BRU
12h 30m1 stop
Icelandair Logo
1:50 pm - 5:55 pmBRU-PDX
13h 05m1 stop
$650Icelandair
Find Deal
Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
3:25 pm - 8:50 amPDX-BRU
32h 25m2 stops
United Airlines Logo
10:15 am - 6:31 pmBRU-PDX
17h 16m1 stop
$685United Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 24
United Airlines Logo
10:46 am - 9:00 amPDX-BRU
13h 14m1 stop
United Airlines Logo
12:00 pm - 8:20 pmBRU-PDX
17h 20m1 stop
$686United Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 24
Delta Logo
12:40 am - 9:40 amPDX-BRU
24h 00m2 stops
Delta Logo
10:45 am - 10:08 pmBRU-PDX
20h 23m1 stop
$736Delta
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Sun, Oct 12 - Fri, Oct 24
Delta Logo
12:40 am - 9:40 amPDX-BRU
24h 00m2 stops
Delta Logo
6:15 am - 11:53 pmBRU-PDX
25h 38m2 stops
$786Delta
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Sun, Oct 12 - Tue, Oct 28
British Airways Logo
5:45 pm - 11:10 amPDX-BRU
32h 25m1 stop
British Airways Logo
11:50 am - 3:55 pmBRU-PDX
13h 05m1 stop
$799British Airways
Find Deal
Sun, Dec 14 - Wed, Dec 24

British Airways flights from Portland to Brussels

Our best British Airways deals on Portland to Brussels flight tickets
British Airways
Nov 3
PDX5:45 pmPortland
31h 15m
1 stop
BRU10:00 amBrussels Bruxelles-National
Nov 19
BRU11:50 amBrussels Bruxelles-National
13h 05m
1 stop
PDX3:55 pmPortland
$619
Find similar
British Airways
Dec 14
PDX5:45 pmPortland
32h 25m
1 stop
BRU11:10 amBrussels Bruxelles-National
Dec 24
BRU11:50 amBrussels Bruxelles-National
13h 05m
1 stop
PDX3:55 pmPortland
$799
Find similar
British Airways
Aug 22
PDX7:25 pmPortland
14h 45m
1 stop
BRU7:10 pmBrussels Bruxelles-National
Sep 19
BRU10:45 amBrussels Bruxelles-National
15h 50m
1 stop
PDX5:35 pmPortland
$1,329
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Icelandair flights from Portland to Brussels

Our best Icelandair deals on Portland to Brussels flight tickets
Icelandair
Oct 8
PDX3:20 pmPortland
12h 30m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Oct 24
BRU1:50 pmBrussels Bruxelles-National
13h 05m
1 stop
PDX5:55 pmPortland
$586
Find similar
Icelandair
Oct 1
PDX3:20 pmPortland
12h 30m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Oct 8
BRU1:50 pmBrussels Bruxelles-National
13h 05m
1 stop
PDX5:55 pmPortland
$650
Find similar
Icelandair
Aug 22
PDX3:20 pmPortland
12h 30m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Sep 17
BRU1:50 pmBrussels Bruxelles-National
13h 05m
1 stop
PDX5:55 pmPortland
$1,625
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 August 18, 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

Mon 11/3

7:00 pm-7:50 am

2 stops27h 50m

Brussels Bruxelles-National

Wed 11/19

10:00 am-6:40 pm

2 stops41h 40m

$579

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 11/3

11:59 pm-8:55 am

1 stop23h 56m

Brussels Bruxelles-National

Wed 11/19

10:00 am-6:30 pm

2 stops41h 30m

$585

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 10/8

3:20 pm-12:50 pm

1 stop12h 30m

Brussels Bruxelles-National

Fri 10/24

1:50 pm-5:55 pm

1 stop13h 05m

$586

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 11/3

5:45 pm-10:00 am

1 stop31h 15m

Brussels Bruxelles-National

Wed 11/19

11:50 am-3:55 pm

1 stop13h 05m

$619

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 10/1

3:20 pm-12:50 pm

1 stop12h 30m

Brussels Bruxelles-National

Wed 10/8

1:50 pm-5:55 pm

1 stop13h 05m

$650

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 10/13

3:25 pm-8:50 am

2 stops32h 25m

Brussels Bruxelles-National

Fri 10/24

10:15 am-6:31 pm

1 stop17h 16m

$685

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 10/13

10:46 am-9:00 am

1 stop13h 14m

Brussels Bruxelles-National

Fri 10/24

12:00 pm-8:20 pm

1 stop17h 20m

$686

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 10/12

12:40 am-9:40 am

2 stops24h 00m

Brussels Bruxelles-National

Fri 10/24

10:45 am-10:08 pm

1 stop20h 23m

$736

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 10/12

12:40 am-9:40 am

2 stops24h 00m

Brussels Bruxelles-National

Tue 10/28

6:15 am-11:53 pm

2 stops25h 38m

$786

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 12/14

5:45 pm-11:10 am

1 stop32h 25m

Brussels Bruxelles-National

Wed 12/24

11:50 am-3:55 pm

1 stop13h 05m

$799

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 $705. If you are unable to visit Brussels during the month of October, then departing from Portland during the month March is also very affordable. Most momondo users find prices during this month for around $790.

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 $937 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 $578 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

Best Price Found

$309

Fastest flight time

12h 30m

Direct flights

None

Airports in Brussels

2 airports
The best one-way flight to Brussels from Portland in the past 72 hours is $309. The best round-trip flight deal from Portland to Brussels found on momondo in the last 72 hours is $579.
The fastest flight from Portland to Brussels takes 12h 30m
There are no direct flights from Portland to Brussels. Popular non-direct routes for this connection are Portland Airport - Brussels Bruxelles-National Airport and Portland Airport - Charleroi Brussels Airport.
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
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  • How far is Portland to Brussels by plane?

    Brussels is 5062.5 mi away from Portland. By plane, this route typically takes 12h 30m.

  • 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
527 reviews
Search Icelandair flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
KLMPriceFrom $705Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom $712Free CancellationRating
6.6
7,277 reviews
Search British Airways flights
DeltaPriceFrom $821Free CancellationRating
8.0
7,981 reviews
Search Delta 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