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Cheap flights from Portland to Brussels from $375

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 2/19. 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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0 bags

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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
$409Icelandair
Find Deal
Thu, Nov 27 - Fri, Dec 12
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
$469Brussels Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
11:59 pm - 8:55 amPDX-BRU
23h 56m1 stop
United Airlines Logo
10:00 am - 11:57 amBRU-PDX
34h 57m2 stops
$484United Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
3:15 pm - 8:55 amPDX-BRU
32h 40m2 stops
Air Canada Logo
10:00 am - 2:40 pmBRU-PDX
37h 40m2 stops
$489Air Canada
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Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
3:15 pm - 8:00 pmPDX-BRU
19h 45m2 stops
Multiple Airlines Logo
10:10 am - 10:32 pmBRU-PDX
21h 22m1 stop
$494Multiple Airlines
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Sun, Feb 1 - Sun, Feb 8
Lufthansa Logo
7:00 am - 8:55 amPDX-BRU
16h 55m1 stop
Lufthansa Logo
10:10 am - 6:56 pmBRU-PDX
17h 46m1 stop
$500Lufthansa
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
12:40 am - 10:10 amPDX-BRU
24h 30m2 stops
Delta Logo
8:05 am - 6:50 pmBRU-PDX
19h 45m2 stops
$527Delta
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Wed, Jan 21 - Mon, Jan 26
Scandinavian Airlines Logo
10:30 am - 2:30 pmPDX-BRU
19h 00m3 stops
Scandinavian Airlines Logo
10:20 am - 10:20 pmBRU-PDX
21h 00m2 stops
$581Scandinavian Airlines
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Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:45 pm - 8:25 pmPDX-BRU
20h 40m2 stops
Multiple Airlines Logo
8:25 pm - 5:00 pmBRU-PDX
29h 35m3 stops
$628Multiple Airlines
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Tue, Dec 2 - Tue, Dec 9
Scandinavian Airlines Logo
10:24 am - 2:30 pmPDX-BRU
43h 06m2 stops
Scandinavian Airlines Logo
10:20 am - 10:22 pmBRU-PDX
20h 02m2 stops
$678Scandinavian Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10

Brussels Airlines flights from Portland to Brussels

Our best Brussels Airlines deals on Portland to Brussels flight tickets
Brussels Airlines
Jan 22
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 26
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$469
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
$693
Find similar
Brussels Airlines
Dec 31
PDX7:10 amPortland
21h 05m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 7
BRU8:10 pmBrussels Bruxelles-National
31h 46m
2 stops
PDX6:56 pmPortland
$754
Find similar

United Airlines flights from Portland to Brussels

Our best United Airlines deals on Portland to Brussels flight tickets
United Airlines
Jan 22
PDX11:59 pmPortland
23h 56m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 26
BRU10:00 amBrussels Bruxelles-National
34h 57m
2 stops
PDX11:57 amPortland
$484
Find similar
United Airlines
Dec 15
PDX1:14 pmPortland
15h 01m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 22
BRU4:55 pmBrussels Bruxelles-National
34h 53m
2 stops
PDX6:48 pmPortland
$802
Find similar
United Airlines
Dec 10
PDX5:00 amPortland
18h 55m
2 stops
BRU8:55 amBrussels Bruxelles-National
Dec 21
BRU4:55 pmBrussels Bruxelles-National
38h 51m
2 stops
PDX10:46 pmPortland
$830
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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 17, 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

Thu 11/27

2:45 pm-11:55 am

1 stop12h 10m

Brussels Bruxelles-National

Fri 12/12

12:50 pm-5:00 pm

1 stop13h 10m

$409

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 1/22

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Mon 1/26

10:10 am-6:56 pm

1 stop17h 46m

$469

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 1/22

11:59 pm-8:55 am

1 stop23h 56m

Brussels Bruxelles-National

Mon 1/26

10:00 am-11:57 am

2 stops34h 57m

$484

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 1/22

3:15 pm-8:55 am

2 stops32h 40m

Brussels Bruxelles-National

Mon 1/26

10:00 am-2:40 pm

2 stops37h 40m

$489

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 2/1

3:15 pm-8:00 pm

2 stops19h 45m

Brussels Bruxelles-National

Sun 2/8

10:10 am-10:32 pm

1 stop21h 22m

$494

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 1/22

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Mon 1/26

10:10 am-6:56 pm

1 stop17h 46m

$500

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/21

12:40 am-10:10 am

2 stops24h 30m

Brussels Bruxelles-National

Mon 1/26

8:05 am-6:50 pm

2 stops19h 45m

$527

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 1/22

10:30 am-2:30 pm

3 stops19h 00m

Brussels Bruxelles-National

Mon 1/26

10:20 am-10:20 pm

2 stops21h 00m

$581

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Tue 12/2

2:45 pm-8:25 pm

2 stops20h 40m

Brussels Bruxelles-National

Tue 12/9

8:25 pm-5:00 pm

3 stops29h 35m

$628

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 3/6

10:24 am-2:30 pm

2 stops43h 06m

Brussels Bruxelles-National

Tue 3/10

10:20 am-10:22 pm

2 stops20h 02m

$678

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 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 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
580 reviews
Search Icelandair flights
DeltaPriceFrom $611Free CancellationRating
7.9
8,006 reviews
Search Delta flights
KLMPriceFrom $619Free CancellationRating
7.7
1,411 reviews
Search KLM flights
United AirlinesPriceFrom $635Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
British AirwaysPriceFrom $727Free CancellationRating
6.7
7,529 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