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Cheap flights from Portland to Brussels from $340

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 2/28. 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.
Lufthansa Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Lufthansa Logo
7:00 am - 6:55 pm
BRU
-
PDX
20h 55m2 stops
$451Lufthansa
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
5:05 am - 1:15 pm
PDX
-
BRU
23h 10m2 stops
United Airlines Logo
10:00 am - 10:59 pm
BRU
-
PDX
45h 59m3 stops
$459United Airlines
Thu, Feb 12 - Tue, Feb 17
British Airways Logo
5:45 pm - 5:20 pm
PDX
-
BRU
14h 35m1 stop
British Airways Logo
11:45 am - 3:55 pm
BRU
-
PDX
13h 10m1 stop
$461British Airways
Fri, Jan 16 - Fri, Jan 23
Air Canada Logo
3:15 pm - 1:15 pm
PDX
-
BRU
37h 00m2 stops
Air Canada Logo
10:00 am - 9:15 am
BRU
-
PDX
56h 15m2 stops
$467Air Canada
Fri, Jan 16 - Fri, Jan 23
Air Canada Logo
3:15 pm - 7:50 am
PDX
-
BRU
56h 35m2 stops
Air Canada Logo
9:40 am - 11:42 am
BRU
-
PDX
35h 02m2 stops
$469Air Canada
Fri, Mar 20 - Tue, Mar 31
United Airlines Logo
7:45 am - 1:15 pm
PDX
-
BRU
20h 30m2 stops
United Airlines Logo
10:10 am - 6:56 pm
BRU
-
PDX
17h 46m1 stop
$478United Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
3:15 pm - 7:50 am
PDX
-
BRU
56h 35m2 stops
Multiple Airlines Logo
12:00 pm - 8:31 pm
BRU
-
PDX
17h 31m1 stop
$481Multiple Airlines
Fri, Mar 20 - Tue, Mar 31
United Airlines Logo
10:47 am - 8:55 am
PDX
-
BRU
13h 08m1 stop
United Airlines Logo
10:10 am - 6:56 pm
BRU
-
PDX
17h 46m1 stop
$482United Airlines
Fri, Jan 16 - Fri, Jan 23
British Airways Logo
5:45 pm - 8:50 am
PDX
-
BRU
30h 05m1 stop
British Airways Logo
9:35 pm - 3:55 pm
BRU
-
PDX
27h 20m1 stop
$484British Airways
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
3:30 pm - 9:40 pm
PDX
-
CRL
21h 10m3 stops
Multiple Airlines Logo
8:50 am - 6:00 pm
CRL
-
PDX
18h 10m2 stops
$1,221Multiple Airlines
Sat, May 2 - Wed, May 13

United Airlines flights from Portland to Brussels

Our best United Airlines deals on Portland to Brussels flight tickets
United Airlines
Feb 12
PDX5:05 amPortland
23h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 17
BRU10:00 amBrussels Bruxelles-National
45h 59m
3 stops
PDX10:59 pmPortland
$459
Find similar
United Airlines
Jan 16
PDX7:45 amPortland
20h 30m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 23
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$478
Find similar
United Airlines
Jan 16
PDX10:47 amPortland
13h 08m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 23
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$482
Find similar

British Airways flights from Portland to Brussels

Our best British Airways deals on Portland to Brussels flight tickets
British Airways
Jan 16
PDX5:45 pmPortland
14h 35m
1 stop
BRU5:20 pmBrussels Bruxelles-National
Jan 23
BRU11:45 amBrussels Bruxelles-National
13h 10m
1 stop
PDX3:55 pmPortland
$461
Find similar
British Airways
Jan 14
PDX5:45 pmPortland
13h 35m
1 stop
BRU4:20 pmBrussels Bruxelles-National
Jan 18
BRU5:30 pmBrussels Bruxelles-National
31h 25m
1 stop
PDX3:55 pmPortland
$484
Find similar
British Airways
Jan 18
PDX5:45 pmPortland
13h 55m
1 stop
BRU4:40 pmBrussels Bruxelles-National
Jan 25
BRU11:20 amBrussels Bruxelles-National
13h 35m
1 stop
PDX3:55 pmPortland
$507
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 December 4, 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 1/17

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Sat 1/24

7:00 am-6:55 pm

2 stops20h 55m

$451

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 2/12

5:05 am-1:15 pm

2 stops23h 10m

Brussels Bruxelles-National

Tue 2/17

10:00 am-10:59 pm

3 stops45h 59m

$459

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

5:45 pm-5:20 pm

1 stop14h 35m

Brussels Bruxelles-National

Fri 1/23

11:45 am-3:55 pm

1 stop13h 10m

$461

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

3:15 pm-1:15 pm

2 stops37h 00m

Brussels Bruxelles-National

Fri 1/23

10:00 am-9:15 am

2 stops56h 15m

$467

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 3/20

3:15 pm-7:50 am

2 stops56h 35m

Brussels Bruxelles-National

Tue 3/31

9:40 am-11:42 am

2 stops35h 02m

$469

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

7:45 am-1:15 pm

2 stops20h 30m

Brussels Bruxelles-National

Fri 1/23

10:10 am-6:56 pm

1 stop17h 46m

$478

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 3/20

3:15 pm-7:50 am

2 stops56h 35m

Brussels Bruxelles-National

Tue 3/31

12:00 pm-8:31 pm

1 stop17h 31m

$481

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 1/16

10:47 am-8:55 am

1 stop13h 08m

Brussels Bruxelles-National

Fri 1/23

10:10 am-6:56 pm

1 stop17h 46m

$482

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

5:45 pm-8:50 am

1 stop30h 05m

Brussels Bruxelles-National

Sun 1/18

9:35 pm-3:55 pm

1 stop27h 20m

$484

PortlandBrussels

PDX - CRL

PDXCRL

Portland

Sat 5/2

3:30 pm-9:40 pm

3 stops21h 10m

Charleroi Brussels

Wed 5/13

8:50 am-6:00 pm

2 stops18h 10m

$1,221

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 $889 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

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Portland to Brussels takes 15h 45m
There are no direct flights from Portland to Brussels. There are no popular flight routes from Portland to Brussels.
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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 25m.

  • 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 $393Free CancellationRating
7.0
584 reviews
Search Icelandair flights
United AirlinesPriceFrom $611Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
KLMPriceFrom $611Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Scandinavian AirlinesPriceFrom $629Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $727Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
DeltaPriceFrom $757Free CancellationRating
7.9
8,011 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