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Cheap flights from Portland to Belgium 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 Belgium 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.
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0 bags

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Find the cheapest flights from Portland to Belgium

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
Sat, Dec 6 - Fri, Dec 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
Sat, Dec 6 - Fri, Dec 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
Sat, Dec 6 - Fri, Dec 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
Wed, Dec 10 - Sun, Dec 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
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Sun, Mar 29 - Wed, Apr 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
Wed, Nov 26 - Fri, Dec 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
Sun, Mar 29 - Wed, Apr 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
Fri, Mar 13 - Sat, 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
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Fri, Mar 13 - Sat, 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
Wed, Dec 10 - Sun, Dec 21

Icelandair flights from Portland to Belgium

Our best Icelandair deals on Portland to Belgium 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 Belgium

Our best United Airlines deals on Portland to Belgium 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 Belgium 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 10, 2025.
Use the filters below to find and compare flights from Portland to Belgium 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

$388

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sat 12/6

6:00 am-1:15 pm

2 stops22h 15m

Brussels Bruxelles-National

Fri 12/12

4:55 pm-10:15 pm

2 stops38h 20m

$621

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sat 12/6

10:40 am-11:55 am

2 stops16h 15m

Brussels Bruxelles-National

Fri 12/12

12:50 pm-5:00 pm

1 stop13h 10m

$721

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 12/10

7:00 am-1:15 pm

2 stops21h 15m

Brussels Bruxelles-National

Sun 12/21

2:25 pm-10:46 pm

2 stops41h 21m

$727

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 3/29

7:30 pm-6:00 pm

1 stop13h 30m

Brussels Bruxelles-National

Wed 4/8

10:55 am-5:40 pm

1 stop15h 45m

$823

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 11/26

12:35 am-2:15 pm

2 stops28h 40m

Brussels Bruxelles-National

Fri 12/12

6:15 am-11:25 am

1 stop14h 10m

$847

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 3/29

7:30 pm-8:25 pm

1 stop15h 55m

Brussels Bruxelles-National

Wed 4/8

10:55 am-8:54 pm

2 stops18h 59m

$848

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 3/13

6:04 am-8:00 am

1 stop17h 56m

Brussels Bruxelles-National

Sat 3/21

2:45 pm-12:25 pm

1 stop29h 40m

$935

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Fri 3/13

7:10 am-2:15 pm

2 stops23h 05m

Brussels Bruxelles-National

Sat 3/21

2:45 pm-12:25 pm

1 stop29h 40m

$944

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 12/10

7:05 am-9:00 am

1 stop16h 55m

Brussels Bruxelles-National

Sun 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 Belgium from

How to get the cheapest flight ticket from Portland to Belgium

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 Belgium?

In general, October is the cheapest month to fly from Portland to Belgium. 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 Belgium 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 Belgium?

Our data shows that Monday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $933. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,353. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from Portland to Belgium during this time can be as low as $792. Flights to Belgium are more costly in the afternoon, with an average ticket price of $1,181. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $894 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Portland for as low as $533 on momondo.

Can stopping save me money on Portland to Belgium flights?

You could potentially save up to 2% on your flight if you consider stops on a Portland to Belgium flight.

Cheap Portland to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Belgium

Direct flights

None
There are no direct flights from Portland to Belgium. There are no popular flight routes from Portland to Belgium.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Belgium?

    Prices for flights from Portland Airport to Belgium are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Belgium?

  • How old do you have to be to fly from Portland Airport to Belgium?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Belgium.

  • What documentation or ID do you need to fly to Belgium?

    The travel and health documents you'll need for your trip to Belgium 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 Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Belgium

Compare and see reviews for airlines that fly from Portland to Belgium 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 Belgium?

It is quick and easy to find Portland to Belgium flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belgium that suits you.

Can I find flights from Portland to Belgium with flexible booking policies on momondo?

All flight searches from Portland to Belgium on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Belgium?

momondo provides multiple filters to help you find the best flight to Belgium from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Belgium right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Belgium 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 Belgium trip

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