In terms of precipitation, rainfall in Belgium 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 Belgium when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Belgium, 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 Belgium?

Looking at all options, your cheapest flight can be booked for £52. While the most popular route (Southampton Eastleigh - Brussels Bruxelles-National) can be booked for £149 on average, our data indicates £554 when flying from Portsmouth to Belgium.

What are the most reliable airlines from Portsmouth to Belgium?

Consider JetBlue (80%), Japan Airlines (57%) or Malaysia Airlines (56%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Belgium.

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

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

How can I find direct flights from Portsmouth to Belgium?

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

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

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

£149+ Flights from Portsmouth to Belgium

Cheap flight deals from Portsmouth to Belgium

Round-trip from	£149
Popular in	July
Cheapest in	January
Average price	£122

21/10-23/10
2 total stops
24h 00m total
Portsmouth to Belgium

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£9 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 September 2025

Search Deals

Find flight deals from Portsmouth to Belgium

Cheapest flights from Portsmouth to Belgium
Explore the most affordable flight options available from Portsmouth to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Tue 21/1020:00SOU - BRU

1 stop12h 00mMultiple Airlines

Thu 23/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 16/9£149

Fri 31/1020:10SOU - BRU

1 stop11h 20mMultiple Airlines

Fri 7/1109:40BRU - SOU

1 stop11h 00mMultiple Airlines

Deal found 16/9£189

Wed 17/1220:10SOU - BRU

1 stop11h 40mMultiple Airlines

Sun 21/1220:50BRU - SOU

1 stop12h 55mMultiple Airlines

Deal found 18/9£237

Wed 17/1220:10SOU - BRU

1 stop11h 40mMultiple Airlines

Sat 20/1216:45BRU - SOU

1 stop17h 00mMultiple Airlines

Deal found 17/9£238

Wed 17/1208:40SOU - BRU

1 stop4h 35mKLM

Mon 22/1206:15BRU - SOU

1 stop2h 55mKLM

Deal found 18/9£243

Wed 17/1209:25SOU - BRU

2 stops7h 50mMultiple Airlines

Mon 22/1209:40BRU - SOU

1 stop10h 40mMultiple Airlines

Deal found 17/9£254

Wed 17/1208:55SOU - CRL

2 stops9h 10mMultiple Airlines

Sat 20/1207:25CRL - SOU

1 stop5h 30mMultiple Airlines

Deal found 17/9£281

Wed 17/1217:30SOU - BRU

1 stop3h 50mKLM

Sun 21/1206:15BRU - SOU

1 stop3h 35mKLM

Deal found 17/9£283

Wed 17/1208:40SOU - CRL

1 stop9h 25mMultiple Airlines

Mon 22/1208:35CRL - SOU

1 stop10h 00mMultiple Airlines

Deal found 17/9£284

Wed 17/1208:55SOU - CRL

2 stops9h 10mMultiple Airlines

Sun 21/1212:35CRL - SOU

1 stop6h 15mMultiple Airlines

Deal found 17/9£351

Best flights from Portsmouth to Belgium
Discover carefully curated flight deals from Portsmouth to Belgium that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Tue 21/1020:00SOU - BRU

1 stop12h 00mMultiple Airlines

Thu 23/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 16/9£149

Wed 17/1217:30SOU - BRU

1 stop3h 50mKLM

Mon 22/1206:15BRU - SOU

1 stop2h 55mKLM

Deal found 17/9£243

Fri 31/1020:10SOU - BRU

1 stop11h 20mMultiple Airlines

Fri 7/1109:40BRU - SOU

1 stop11h 00mMultiple Airlines

Deal found 16/9£189

Wed 17/1220:10SOU - BRU

1 stop11h 40mMultiple Airlines

Sun 21/1220:50BRU - SOU

1 stop12h 55mMultiple Airlines

Deal found 18/9£237

Wed 17/1217:30SOU - BRU

1 stop3h 50mKLM

Sun 21/1206:15BRU - SOU

1 stop3h 35mKLM

Deal found 17/9£283

Wed 17/1220:10SOU - BRU

1 stop11h 40mMultiple Airlines

Sat 20/1216:45BRU - SOU

1 stop17h 00mMultiple Airlines

Deal found 17/9£238

Wed 17/1209:25SOU - BRU

2 stops7h 50mMultiple Airlines

Mon 22/1209:40BRU - SOU

1 stop10h 40mMultiple Airlines

Deal found 18/9£256

Wed 17/1208:55SOU - CRL

2 stops9h 10mMultiple Airlines

Sat 20/1207:25CRL - SOU

1 stop5h 30mMultiple Airlines

Deal found 17/9£281

Wed 17/1208:55SOU - CRL

2 stops9h 10mMultiple Airlines

Mon 22/1213:10CRL - SOU

1 stop7h 30mMultiple Airlines

Deal found 17/9£289

Wed 17/1208:40SOU - CRL

1 stop9h 25mMultiple Airlines

Sun 21/1212:35CRL - SOU

1 stop6h 15mMultiple Airlines

Deal found 17/9£362

Last-minute flights from Portsmouth to Belgium
Discover last-minute flight deals from Portsmouth to Belgium. Data last updated 18 September 2025 and is based on user searches.

Tue 7/1017:35SOU - BRU

1 stop3h 40mKLM

Fri 10/1006:10BRU - SOU

1 stop3h 35mKLM

Deal found 17/9£331

Tue 7/1015:45SOU - BRU

2 stops21h 40mBritish Airways

Thu 9/1022:30BRU - SOU

2 stops14h 30mBritish Airways

Deal found 17/9£503

Tue 7/1008:55SOU - BRU

2 stops9h 40mBritish Airways

Fri 10/1010:45BRU - SOU

2 stops6h 35mBritish Airways

Deal found 17/9£945

Tue 21/1020:00SOU - BRU

1 stop12h 00mMultiple Airlines

Thu 23/1021:40BRU - SOU

1 stop12h 00mMultiple Airlines

Deal found 16/9£149

Fri 31/1020:10SOU - BRU

1 stop11h 20mMultiple Airlines

Fri 7/1109:40BRU - SOU

1 stop11h 00mMultiple Airlines

Deal found 16/9£189

Fri 31/1012:20SOU - BRU

2 stops19h 25mBritish Airways

Fri 7/1121:20BRU - SOU

2 stops15h 35mBritish Airways

Deal found 16/9£414

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Tue 21/10

20:00-09:00

1 stop12h 00m

Brussels Bruxelles-National

Thu 23/10

21:40-08:40

1 stop12h 00m

£149

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 31/10

20:10-08:30

1 stop11h 20m

Brussels Bruxelles-National

Fri 7/11

09:40-19:40

1 stop11h 00m

£189

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 17/12

20:10-08:50

1 stop11h 40m

Brussels Bruxelles-National

Sun 21/12

20:50-08:45

1 stop12h 55m

£237

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 17/12

20:10-08:50

1 stop11h 40m

Brussels Bruxelles-National

Sat 20/12

16:45-08:45

1 stop17h 00m

£238

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 17/12

17:30-22:20

1 stop3h 50m

Brussels Bruxelles-National

Mon 22/12

06:15-08:10

1 stop2h 55m

£243

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 17/12

09:25-18:15

2 stops7h 50m

Brussels Bruxelles-National

Mon 22/12

09:40-19:20

1 stop10h 40m

£256

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 17/12

08:55-19:05

2 stops9h 10m

Charleroi Brussels

Sat 20/12

07:25-11:55

1 stop5h 30m

£281

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 17/12

17:30-22:20

1 stop3h 50m

Brussels Bruxelles-National

Sun 21/12

06:15-08:50

1 stop3h 35m

£283

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 17/12

08:55-19:05

2 stops9h 10m

Charleroi Brussels

Mon 22/12

13:10-19:40

1 stop7h 30m

£289

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Wed 17/12

08:40-19:05

1 stop9h 25m

Charleroi Brussels

Sun 21/12

12:35-17:50

1 stop6h 15m

£362

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 12 results

Best time to book a flight from Portsmouth to Belgium

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

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 Belgium

What is the cheapest month to book a flight from Portsmouth to Belgium?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Belgium (average of £117). Flying from Portsmouth to Belgium in July is currently the most expensive (average of £166). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

When flying from Portsmouth to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portsmouth to Belgium

The most flights from P0R to BE0 are scheduled on a Monday (35 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (18 on average).

Reviews of airlines servicing Belgium

Read through reviews of airlines operating flights from Portsmouth to Belgium, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

What are the most reliable airlines from Portsmouth to Belgium?
Consider JetBlue (80%), Japan Airlines (57%) or Malaysia Airlines (56%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Belgium.
What are the cheapest flights from Portsmouth to Belgium?
Looking at all options, your cheapest flight can be booked for £52. While the most popular route (Southampton Eastleigh - Brussels Bruxelles-National) can be booked for £149 on average, our data indicates £554 when flying from Portsmouth to Belgium.
Can I find deals for flights from Portsmouth to Belgium that include hotel bookings?
Yes. In addition to deals on Portsmouth to Belgium flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Belgium?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Belgium.
Can I find deals for business class flights from Portsmouth to Belgium?
Yes. Cheapflights offers flight deals from Portsmouth to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portsmouth to Belgium?
Currently, January is the cheapest month in which you can book a flight from Portsmouth to Belgium (average of £117). Flying from Portsmouth to Belgium in July is currently the most expensive (average of £166). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Portsmouth to Belgium

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£84	Average£113	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Brussels Airlines	Cheapest£95	Average£112	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Ryanair	Cheapest£103	Average£152	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
KLM	Cheapest£140	Average£221	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Portsmouth to Belgium via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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

Can Cheapflights find flights from Portsmouth to Belgium with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Belgium, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Portsmouth to Belgium on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Portsmouth to Belgium from £149

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Belgium

Keep the following information in mind while searching for Portsmouth to Belgium flight deals. Data was last updated 18 September 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to Belgium

Cheapest flights from Portsmouth to BelgiumExplore the most affordable flight options available from Portsmouth to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Explore the most affordable flight options available from Portsmouth to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Belgium that are best for you.

Best time to book a flight from Portsmouth to Belgium

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Portsmouth to Belgium?

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

Find hourly flight availability from Portsmouth to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

Weekly flight availability from Portsmouth to Belgium

Reviews of airlines servicing Belgium

Read through reviews of airlines operating flights from Portsmouth to Belgium, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most reliable airlines from Portsmouth to Belgium?

What are the cheapest flights from Portsmouth to Belgium?

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

How can I find direct flights from Portsmouth to Belgium?

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

What is the cheapest month to book a flight from Portsmouth to Belgium?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to Belgium

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Portsmouth to Belgium

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

Can Cheapflights find flights from Portsmouth to Belgium with no change fees?

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

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Book with Flexibility

Travel Smart

Cheapest flights from Portsmouth to Belgium
Explore the most affordable flight options available from Portsmouth to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.