How long is the flight from Portsmouth to Brussels?

There are many flights that can get you from Portsmouth to Brussels in 15h 20m. Fly via KLM to get the fastest option. The distance from Portsmouth to Brussels is about 254 mi.

In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

What are the cheapest flights from Portsmouth to Brussels?

The cheapest flight price from Portsmouth to Brussels is £62. On average you can expect to pay £1,140. The most popular route, (Southampton Eastleigh - Brussels Bruxelles-National), can usually be booked for £191.

What are the most reliable airlines from Portsmouth to Brussels?

Before booking your flight to Brussels from Portsmouth, check out the most reliable airlines to get you to your destination on time: Qatar Airways (79%), British Airways (77%), American Airlines( 76%).

Can I find deals for flights from Portsmouth to Brussels that include hotel bookings?

Yes. In addition to deals on Portsmouth to Brussels flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portsmouth to Brussels?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Brussels.

Can I find deals for business class flights from Portsmouth to Brussels?

Yes. Cheapflights offers flight deals from Portsmouth to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£70+ Cheap Flights from Portsmouth to Brussels

Cheap flight deals from Portsmouth to Brussels

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Portsmouth to Brussels
Explore the most affordable flight options available from Portsmouth to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Mon 28/912:25 -

2 stops23h 25m

Sun 4/1012:00 -

2 stops24h 50m

Deal found 18/8£154

Sat 3/1020:00 -

1 stop12h 15m

Sat 10/1009:50 -

1 stop10h 40m

Deal found 19/8£171

Mon 28/920:40 -

1 stop11h 45m

Sun 4/1009:50 -

1 stop8h 00m

Deal found 18/8£178

Sun 4/1020:00 -

1 stop12h 00m

Sun 11/1009:50 -

1 stop23h 50m

Deal found 20/8£191

Fri 18/920:00 -

2 stops18h 30m

Fri 25/919:35 -

2 stops17h 10m

Deal found 21/8£199

Sun 20/912:35 -

2 stops19h 40m

Sun 27/906:50 -

2 stops11h 00m

Deal found 21/8£207

Fri 18/917:20 -

1 stop13h 15m

Fri 25/915:10 -

1 stop18h 35m

Deal found 21/8£221

Wed 26/820:00 -

1 stop12h 40m

Thu 27/818:30 -

1 stop15h 10m

Deal found 17/8£256

Sun 20/912:35 -

2 stops19h 40m

Sun 27/909:50 -

1 stop8h 00m

Deal found 21/8£258

Fri 18/920:00 -

1 stop12h 10m

Fri 25/921:00 -

2 stops15h 45m

Deal found 21/8£282

Sun 23/819:55 -

2 stops35h 45m

Thu 27/808:55 -

1 stop7h 00m

Deal found 19/8£467

Best flights from Portsmouth to Brussels
Discover carefully curated flight deals from Portsmouth to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Mon 28/912:25 -

2 stops23h 25m

Sun 4/1012:00 -

2 stops24h 50m

Deal found 18/8£154

Sun 20/917:20 -

1 stop15h 20m

Sun 27/910:35 -

1 stop23h 00m

Deal found 21/8£221

Tue 13/1020:00 -

1 stop12h 40m

Tue 20/1021:25 -

1 stop11h 40m

Deal found 20/8£302

Mon 28/920:40 -

1 stop11h 45m

Sun 4/1019:25 -

2 stops17h 25m

Deal found 18/8£180

Sun 20/912:35 -

2 stops19h 40m

Sun 27/906:50 -

2 stops11h 00m

Deal found 21/8£207

Fri 18/920:00 -

2 stops18h 30m

Fri 25/909:50 -

1 stop23h 50m

Deal found 21/8£221

Sun 20/912:35 -

2 stops19h 40m

Sun 27/909:50 -

1 stop8h 00m

Deal found 21/8£258

Wed 28/1009:20 -

1 stop7h 55m

Fri 30/1020:50 -

1 stop12h 50m

Deal found 19/8£346

Thu 28/109:20 -

1 stop7h 55m

Sun 31/118:55 -

1 stop14h 45m

Deal found 17/8£349

Sat 3/1007:50 -

3 stops13h 25m

Sat 10/1017:20 -

2 stops15h 35m

Deal found 19/8£282

Tue 13/1008:55 -

2 stops9h 15m

Tue 20/1021:25 -

1 stop11h 40m

Deal found 20/8£405

Fri 4/1212:35 -

2 stops6h 35m

Mon 7/1210:15 -

1 stop7h 20m

Deal found 20/8£411

Tue 5/120:00 -

1 stop12h 35m

Tue 12/114:50 -

2 stops18h 50m

Deal found 17/8£416

Fri 18/1212:35 -

2 stops19h 10m

Fri 8/118:55 -

1 stop14h 45m

Deal found 20/8£436

Find flight deals from Portsmouth to Brussels

Round-trip from	£154
One-way from	£70
Popular in	May
Cheapest in	March
Average price	£147

28/9-4/10
4 total stops
48h 15m total
Portsmouth to Brussels

Search Deals

14/9
1 total stop
11h 45m total
Portsmouth to Brussels

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£7 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBrussels

SOU Southampton Eastleigh - CRL Charleroi Brussels

SOUCRL

Southampton Eastleigh

Mon 28/9

12:25-12:50

2 stops23h 25m

Charleroi Brussels

Sun 4/10

12:00-11:50

2 stops24h 50m

£154

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Mon 28/9

20:40-09:25

1 stop11h 45m

Brussels Bruxelles-National

Sun 4/10

19:25-11:50

2 stops17h 25m

£180

SouthamptonBrussels

SOU Southampton Eastleigh - CRL Charleroi Brussels

SOUCRL

Southampton Eastleigh

Sun 20/9

12:35-09:15

2 stops19h 40m

Charleroi Brussels

Sun 27/9

06:50-16:50

2 stops11h 00m

£207

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Sun 20/9

17:20-09:40

1 stop15h 20m

Brussels Bruxelles-National

Sun 27/9

10:35-08:35

1 stop23h 00m

£221

SouthamptonBrussels

SOU Southampton Eastleigh - CRL Charleroi Brussels

SOUCRL

Southampton Eastleigh

Fri 18/9

20:00-15:30

2 stops18h 30m

Charleroi Brussels

Fri 25/9

09:50-08:40

1 stop23h 50m

£221

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Sun 20/9

12:35-09:15

2 stops19h 40m

Brussels Bruxelles-National

Sun 27/9

09:50-16:50

1 stop8h 00m

£258

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Sat 3/10

07:50-22:15

3 stops13h 25m

Brussels Bruxelles-National

Sat 10/10

17:20-07:55

2 stops15h 35m

£282

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Tue 13/10

20:00-09:40

1 stop12h 40m

Brussels Bruxelles-National

Tue 20/10

21:25-08:05

1 stop11h 40m

£302

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Wed 28/10

09:20-18:15

1 stop7h 55m

Brussels Bruxelles-National

Fri 30/10

20:50-08:40

1 stop12h 50m

£346

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Thu 28/1

09:20-18:15

1 stop7h 55m

Brussels Bruxelles-National

Sun 31/1

18:55-08:40

1 stop14h 45m

£349

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Portsmouth to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Portsmouth with our price prediction graph.

SOU-CRL

SOU-BRU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Brussels

P0R-BR1

SOU-CRL

SOU-BRU

What is the cheapest time of day to fly from P0R to BRU?

When flying from Portsmouth to Brussels, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 75% versus a flight in the morning.

Weekly flight availability from Portsmouth to Brussels

The most flights from P0R to BR1 are scheduled on a Thursday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

How long is the flight from Portsmouth to Brussels?
There are many flights that can get you from Portsmouth to Brussels in 15h 20m. Fly via KLM to get the fastest option. The distance from Portsmouth to Brussels is about 254 mi.
What are the most reliable airlines from Portsmouth to Brussels?
Before booking your flight to Brussels from Portsmouth, check out the most reliable airlines to get you to your destination on time: Qatar Airways (79%), British Airways (77%), American Airlines( 76%).
What are the cheapest flights from Portsmouth to Brussels?
The cheapest flight price from Portsmouth to Brussels is £62. On average you can expect to pay £1,140. The most popular route, (Southampton Eastleigh - Brussels Bruxelles-National), can usually be booked for £191.
Can I find deals for flights from Portsmouth to Brussels that include hotel bookings?
Yes. In addition to deals on Portsmouth to Brussels flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Brussels?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Brussels.
Can I find deals for business class flights from Portsmouth to Brussels?
Yes. Cheapflights offers flight deals from Portsmouth to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Flights by cabin class

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Popular flights

Alternative routes for Portsmouth to Brussels

Gatwick to Bruxelles-National flights

Luton to Bruxelles-National flights

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London City to Bruxelles-National flights

Heathrow to Bruxelles-National flights

Manchester to Charleroi Brussels flights

Stansted to Charleroi Brussels flights

Luton to Charleroi Brussels flights

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Heathrow to Charleroi Brussels flights

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Edinburgh to Charleroi Brussels flights

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Bristol to Charleroi Brussels flights

Birmingham to Charleroi Brussels flights

Stansted to Antwerp flights

Leeds to Bruxelles-National flights

Luton to Antwerp flights

Gatwick to Ostend flights

Newcastle upon Tyne to Bruxelles-National flights

Southampton to Bruxelles-National flights

East Midlands to Bruxelles-National flights

Heathrow to Ostend flights

Liverpool to Bruxelles-National flights

Newcastle upon Tyne to Charleroi Brussels flights

Liverpool to Charleroi Brussels flights

Heathrow to Antwerp flights

Edinburgh to Antwerp flights

East Midlands to Charleroi Brussels flights

Leeds to Charleroi Brussels flights

Manchester to Ostend flights

London City to Charleroi Brussels flights

Norwich to Bruxelles-National flights

Birmingham to Antwerp flights

Southend to Antwerp flights

Leeds to Antwerp flights

Doncaster to Bruxelles-National flights

Exeter to Bruxelles-National flights

Grimsby to Bruxelles-National flights

Darlington to Bruxelles-National flights

Southampton to Charleroi Brussels flights

London City to Antwerp flights

Top 2 airlines flying from Portsmouth to Brussels

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£93	Average£110	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Brussels Airlines	Cheapest£93	Average£140	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Brussels?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Brussels for you. Better yet — we are completely free to use.

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Yes! Cheapflights helps users easily find flights from Portsmouth to Brussels with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Brussels become cheaper?

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Cheap flights from Portsmouth to Brussels from £70

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Brussels

Cheapest flights from Portsmouth to BrusselsExplore the most affordable flight options available from Portsmouth to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Explore the most affordable flight options available from Portsmouth to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Portsmouth to BrusselsDiscover carefully curated flight deals from Portsmouth to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Portsmouth to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Portsmouth to BrusselsDiscover last-minute flight deals from Portsmouth to Brussels. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Brussels. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Portsmouth to BrusselsSearch for one-way flight options from Portsmouth to Brussels. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Portsmouth to Brussels. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

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Best time to book a flight from Portsmouth to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Portsmouth with our price prediction graph.

Cheapflights Insights

What is the cheapest time of day to fly from P0R to BRU?

Find hourly flight availability from Portsmouth to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2026.

When flying from Portsmouth to Brussels, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 75% versus a flight in the morning.

Weekly flight availability from Portsmouth to Brussels

Explore weekly flight availability from Portsmouth to Brussels. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 August 2026.

The most flights from P0R to BR1 are scheduled on a Thursday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

How long is the flight from Portsmouth to Brussels?

What are the most reliable airlines from Portsmouth to Brussels?

What are the cheapest flights from Portsmouth to Brussels?

Can I find deals for flights from Portsmouth to Brussels that include hotel bookings?

How can I find direct flights from Portsmouth to Brussels?

Can I find deals for business class flights from Portsmouth to Brussels?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Brussels

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Complete your trip

Complete your trip to Brussels by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Belgium

Book a non-stop flight to one of these other cities located in Belgium.

Search flights from Portsmouth to Brussels by cabin class

Find flights from Portsmouth to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portsmouth and Brussels flights

Browse other Portsmouth and Brussels flight options. Last updated on 22 August 2026.

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Top 2 airlines flying from Portsmouth to Brussels

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How does Cheapflights help users find flights from Portsmouth to Brussels?

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Can Cheapflights notify me if prices for flights from Portsmouth to Brussels become cheaper?

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Cheapest flights from Portsmouth to Brussels
Explore the most affordable flight options available from Portsmouth to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Portsmouth to Brussels
Discover carefully curated flight deals from Portsmouth to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Portsmouth to Brussels
Discover last-minute flight deals from Portsmouth to Brussels. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Portsmouth to Brussels
Search for one-way flight options from Portsmouth to Brussels. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.