Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Brussels from $389

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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
$389Icelandair
Find Deal
Sat, Dec 6 - Fri, Dec 12
Lufthansa Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
Lufthansa Logo
9:35 am - 6:30 pmBRU-PDX
17h 55m2 stops
$444Lufthansa
Find Deal
Fri, Jan 16 - Tue, Jan 20
Multiple Airlines Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
Multiple Airlines Logo
10:10 am - 6:56 pmBRU-PDX
17h 46m1 stop
$463Multiple 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
10:00 am - 9:49 pmBRU-PDX
20h 49m2 stops
$503United Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Lufthansa Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
Lufthansa Logo
6:45 am - 6:30 pmBRU-PDX
20h 45m2 stops
$506Lufthansa
Find Deal
Fri, Jan 16 - Tue, Jan 20
United Airlines Logo
7:00 am - 1:15 pmPDX-BRU
21h 15m2 stops
United Airlines Logo
11:15 am - 12:39 amBRU-PDX
22h 24m2 stops
$508United 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
10:30 am - 12:39 amBRU-PDX
23h 09m2 stops
$509United Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Scandinavian Airlines Logo
1:00 pm - 9:40 amPDX-BRU
35h 40m2 stops
Scandinavian Airlines Logo
9:10 pm - 9:35 pmBRU-PDX
33h 25m2 stops
$543Scandinavian Airlines
Find Deal
Wed, Apr 15 - Wed, Apr 29
Scandinavian Airlines Logo
10:00 am - 7:50 pmPDX-BRU
24h 50m2 stops
Scandinavian Airlines Logo
10:20 am - 10:22 pmBRU-PDX
21h 02m2 stops
$547Scandinavian Airlines
Find Deal
Sun, Apr 12 - Fri, Apr 24
Multiple Airlines Logo
2:45 pm - 10:55 pmPDX-CRL
23h 10m2 stops
Multiple Airlines Logo
6:25 am - 5:00 pmCRL-PDX
19h 35m2 stops
$1,275Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12

Lufthansa flights from Portland to Brussels

Our best Lufthansa deals on Portland to Brussels flight tickets
Lufthansa
Jan 16
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 20
BRU9:35 amBrussels Bruxelles-National
17h 55m
2 stops
PDX6:30 pmPortland
$444
Find similar
Lufthansa
Jan 16
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 20
BRU6:45 amBrussels Bruxelles-National
20h 45m
2 stops
PDX6:30 pmPortland
$506
Find similar
Lufthansa
Dec 6
PDX3:55 pmPortland
21h 45m
2 stops
BRU10:40 pmBrussels Bruxelles-National
Dec 12
BRU7:30 pmBrussels Bruxelles-National
32h 15m
2 stops
PDX6:45 pmPortland
$718
Find similar

United Airlines flights from Portland to Brussels

Our best United Airlines deals on Portland to Brussels flight tickets
United Airlines
Jan 16
PDX10:47 amPortland
17h 28m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 20
BRU10:00 amBrussels Bruxelles-National
20h 49m
2 stops
PDX9:49 pmPortland
$503
Find similar
United Airlines
Jan 16
PDX7:00 amPortland
21h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 20
BRU11:15 amBrussels Bruxelles-National
22h 24m
2 stops
PDX12:39 amPortland
$508
Find similar
United Airlines
Jan 16
PDX10:47 amPortland
17h 28m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 20
BRU10:30 amBrussels Bruxelles-National
23h 09m
2 stops
PDX12:39 amPortland
$509
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 20, 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

Sat 12/6

2:45 pm-11:55 am

1 stop12h 10m

Brussels Bruxelles-National

Fri 12/12

12:50 pm-5:00 pm

1 stop13h 10m

$389

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Tue 1/20

9:35 am-6:30 pm

2 stops17h 55m

$444

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

$463

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-9:49 pm

2 stops20h 49m

$503

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Tue 1/20

6:45 am-6:30 pm

2 stops20h 45m

$506

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:00 am-1:15 pm

2 stops21h 15m

Brussels Bruxelles-National

Tue 1/20

11:15 am-12:39 am

2 stops22h 24m

$508

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

10:47 am-1:15 pm

2 stops17h 28m

Brussels Bruxelles-National

Tue 1/20

10:30 am-12:39 am

2 stops23h 09m

$509

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 4/15

1:00 pm-9:40 am

2 stops35h 40m

Brussels Bruxelles-National

Wed 4/29

9:10 pm-9:35 pm

2 stops33h 25m

$543

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 4/12

10:00 am-7:50 pm

2 stops24h 50m

Brussels Bruxelles-National

Fri 4/24

10:20 am-10:22 pm

2 stops21h 02m

$547

PortlandBrussels

PDX - CRL

PDXCRL

Portland

Sat 12/6

2:45 pm-10:55 pm

2 stops23h 10m

Charleroi Brussels

Fri 12/12

6:25 am-5:00 pm

2 stops19h 35m

$1,275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $895 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 05m.

  • 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
8,004 reviews
Search Delta flights
KLMPriceFrom $619Free CancellationRating
7.7
1,412 reviews
Search KLM flights
United AirlinesPriceFrom $635Free CancellationRating
7.4
9,027 reviews
Search United Airlines flights
British AirwaysPriceFrom $727Free CancellationRating
6.7
7,534 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.

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/20
Sat 12/27
By creating a price alert you accept our terms of use and privacy policy.

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