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Cheap flights from Portland to Brussels from $388

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Brussels departing on 12/6. 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.
Icelandair Logo
2:45 pm - 11:55 amPDX-BRU
12h 10m1 stop
Icelandair Logo
12:50 pm - 5:00 pmBRU-PDX
13h 10m1 stop
$388Icelandair
Find Deal
sáb., dic. 6 - vie., dic. 12
United Airlines Logo
6:00 am - 1:15 pmPDX-BRU
22h 15m2 stops
United Airlines Logo
4:55 pm - 10:15 pmBRU-PDX
38h 20m2 stops
$621United Airlines
Find Deal
sáb., dic. 6 - vie., dic. 12
Icelandair Logo
10:40 am - 11:55 amPDX-BRU
16h 15m2 stops
Icelandair Logo
12:50 pm - 5:00 pmBRU-PDX
13h 10m1 stop
$721Icelandair
Find Deal
sáb., dic. 6 - vie., dic. 12
United Airlines Logo
7:00 am - 1:15 pmPDX-BRU
21h 15m2 stops
United Airlines Logo
2:25 pm - 10:46 pmBRU-PDX
41h 21m2 stops
$727United Airlines
Find Deal
mié., dic. 10 - dom., dic. 21
British Airways Logo
7:30 pm - 6:00 pmPDX-BRU
13h 30m1 stop
British Airways Logo
10:55 am - 5:40 pmBRU-PDX
15h 45m1 stop
$823British Airways
Find Deal
dom., mar. 29 - mié., abr. 8
Delta Logo
12:35 am - 2:15 pmPDX-BRU
28h 40m2 stops
Delta Logo
6:15 am - 11:25 amBRU-PDX
14h 10m1 stop
$847Delta
Find Deal
mié., nov. 26 - vie., dic. 12
British Airways Logo
7:30 pm - 8:25 pmPDX-BRU
15h 55m1 stop
British Airways Logo
10:55 am - 8:54 pmBRU-PDX
18h 59m2 stops
$848British Airways
Find Deal
dom., mar. 29 - mié., abr. 8
KLM Logo
6:04 am - 8:00 amPDX-BRU
17h 56m1 stop
KLM Logo
2:45 pm - 12:25 pmBRU-PDX
29h 40m1 stop
$935KLM
Find Deal
vie., mar. 13 - sáb., mar. 21
Delta Logo
7:10 am - 2:15 pmPDX-BRU
23h 05m2 stops
Delta Logo
2:45 pm - 12:25 pmBRU-PDX
29h 40m1 stop
$944Delta
Find Deal
vie., mar. 13 - sáb., mar. 21
KLM Logo
7:05 am - 9:00 amPDX-BRU
16h 55m1 stop
KLM Logo
2:45 pm - 11:25 amBRU-PDX
29h 40m1 stop
$1,081KLM
Find Deal
mié., dic. 10 - dom., dic. 21

Icelandair flights from Portland to Brussels

Our best Icelandair deals on Portland to Brussels flight tickets
Icelandair
Dec 6
PDX2:45 pmPortland
12h 10m
1 stop
BRU11:55 amBrussels Bruxelles-National
Dec 12
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
PDX5:00 pmPortland
$388
Find similar
Icelandair
Dec 6
PDX10:40 amPortland
16h 15m
2 stops
BRU11:55 amBrussels Bruxelles-National
Dec 12
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
PDX5:00 pmPortland
$721
Find similar

United Airlines flights from Portland to Brussels

Our best United Airlines deals on Portland to Brussels flight tickets
United Airlines
Dec 6
PDX6:00 amPortland
22h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 12
BRU4:55 pmBrussels Bruxelles-National
38h 20m
2 stops
PDX10:15 pmPortland
$621
Find similar
United Airlines
Dec 10
PDX7:00 amPortland
21h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 21
BRU2:25 pmBrussels Bruxelles-National
41h 21m
2 stops
PDX10:46 pmPortland
$727
Find similar
United Airlines
Dec 10
PDX7:00 amPortland
21h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 21
BRU4:55 pmBrussels Bruxelles-National
38h 51m
2 stops
PDX10:46 pmPortland
$846
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 noviembre 10, 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

sáb. 12/6

2:45 pm-11:55 am

1 stop12h 10m

Brussels Bruxelles-National

vie. 12/12

12:50 pm-5:00 pm

1 stop13h 10m

$388

PortlandBrussels

PDX - BRU

PDXBRU

Portland

sáb. 12/6

6:00 am-1:15 pm

2 stops22h 15m

Brussels Bruxelles-National

vie. 12/12

4:55 pm-10:15 pm

2 stops38h 20m

$621

PortlandBrussels

PDX - BRU

PDXBRU

Portland

sáb. 12/6

10:40 am-11:55 am

2 stops16h 15m

Brussels Bruxelles-National

vie. 12/12

12:50 pm-5:00 pm

1 stop13h 10m

$721

PortlandBrussels

PDX - BRU

PDXBRU

Portland

mié. 12/10

7:00 am-1:15 pm

2 stops21h 15m

Brussels Bruxelles-National

dom. 12/21

2:25 pm-10:46 pm

2 stops41h 21m

$727

PortlandBrussels

PDX - BRU

PDXBRU

Portland

dom. 3/29

7:30 pm-6:00 pm

1 stop13h 30m

Brussels Bruxelles-National

mié. 4/8

10:55 am-5:40 pm

1 stop15h 45m

$823

PortlandBrussels

PDX - BRU

PDXBRU

Portland

mié. 11/26

12:35 am-2:15 pm

2 stops28h 40m

Brussels Bruxelles-National

vie. 12/12

6:15 am-11:25 am

1 stop14h 10m

$847

PortlandBrussels

PDX - BRU

PDXBRU

Portland

dom. 3/29

7:30 pm-8:25 pm

1 stop15h 55m

Brussels Bruxelles-National

mié. 4/8

10:55 am-8:54 pm

2 stops18h 59m

$848

PortlandBrussels

PDX - BRU

PDXBRU

Portland

vie. 3/13

6:04 am-8:00 am

1 stop17h 56m

Brussels Bruxelles-National

sáb. 3/21

2:45 pm-12:25 pm

1 stop29h 40m

$935

PortlandBrussels

PDX - BRU

PDXBRU

Portland

vie. 3/13

7:10 am-2:15 pm

2 stops23h 05m

Brussels Bruxelles-National

sáb. 3/21

2:45 pm-12:25 pm

1 stop29h 40m

$944

PortlandBrussels

PDX - BRU

PDXBRU

Portland

mié. 12/10

7:05 am-9:00 am

1 stop16h 55m

Brussels Bruxelles-National

dom. 12/21

2:45 pm-11:25 am

1 stop29h 40m

$1,081

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 10m.

  • 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
574 reviews
Search Icelandair flights
DeltaPriceFrom $611Free CancellationRating
7.9
8,004 reviews
Search Delta flights
KLMPriceFrom $619Free CancellationRating
7.7
1,410 reviews
Search KLM flights
United AirlinesPriceFrom $635Free CancellationRating
7.4
9,011 reviews
Search United Airlines flights
British AirwaysPriceFrom $727Free CancellationRating
6.7
7,508 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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mié. 12/10
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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