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Cheap flights from Portsmouth to Belgium from £83

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Belgium

Enter your travel dates to find the best prices.

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 13 March 2026.

Thu 9/409:05
SOU
-
CRL
1 stop12h 30m
Multiple Airlines
Thu 16/414:30
CRL
-
SOU
2 stops19h 15m
Multiple Airlines
Deal found 12/3£170
Wed 22/420:00
SOU
-
BRU
1 stop12h 35m
Multiple Airlines
Wed 29/410:30
BRU
-
SOU
1 stop23h 10m
Multiple Airlines
Deal found 8/3£170
Wed 22/420:00
SOU
-
BRU
1 stop12h 35m
Multiple Airlines
Sat 25/417:20
BRU
-
SOU
2 stops17h 05m
Multiple Airlines
Deal found 9/3£180
Thu 9/409:05
SOU
-
BRU
1 stop6h 00m
Multiple Airlines
Thu 16/421:35
BRU
-
SOU
1 stop12h 10m
Multiple Airlines
Deal found 12/3£184
Sat 25/420:00
SOU
-
BRU
1 stop12h 15m
Multiple Airlines
Sat 2/509:50
BRU
-
SOU
1 stop10h 40m
Multiple Airlines
Deal found 11/3£192
Fri 3/417:20
SOU
-
BRU
1 stop3h 55m
KLM
Thu 9/406:20
BRU
-
SOU
1 stop3h 15m
KLM
Deal found 12/3£205
Fri 13/312:00
SOU
-
CRL
1 stop9h 25m
Multiple Airlines
Sun 15/312:35
CRL
-
SOU
1 stop6h 10m
Multiple Airlines
Deal found 12/3£404

Find flight deals from Portsmouth to Belgium

Keep the following information in mind while searching for Portsmouth to Belgium flight deals. Data was last updated 13 March 2026.

Round-trip from

£170

One-way from

£83

Popular in

July

Cheapest in

November

Average price

£114
9/4-16/4
  • 9/4-16/4
  • 3 total stops
  • 31h 45m total
  • Portsmouth to Belgium
Search Deals
easyJet
  • easyJet
  • 19/3
  • 1 total stop
  • 16h 45m total
  • Portsmouth to Belgium
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. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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, Cheapflights users made 858,174 searches. Data last updated 13 March 2026.
Use the filters below to find and compare flights from Portsmouth to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Thu 9/4

09:05-22:35

1 stop12h 30m

Charleroi Brussels

Thu 16/4

14:30-08:45

2 stops19h 15m

£170

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 22/4

20:00-09:35

1 stop12h 35m

Brussels Bruxelles-National

Sat 25/4

17:20-09:25

2 stops17h 05m

£180

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Sat 25/4

20:00-09:15

1 stop12h 15m

Brussels Bruxelles-National

Sat 2/5

09:50-19:30

1 stop10h 40m

£192
Fastest return journey

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 3/4

17:20-22:15

1 stop3h 55m

Brussels Bruxelles-National

Thu 9/4

06:20-08:35

1 stop3h 15m

£205

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Wed 22/4

18:20-09:35

2 stops14h 15m

Brussels Bruxelles-National

Wed 29/4

10:30-20:45

2 stops11h 15m

£251

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Sat 18/4

06:50-09:50

2 stops26h 00m

Brussels Bruxelles-National

Wed 22/4

11:00-17:40

2 stops31h 40m

£432

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Tue 9/6

08:55-19:10

2 stops9h 15m

Brussels Bruxelles-National

Tue 23/6

10:55-19:25

2 stops9h 30m

£521

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 27/3

08:40-19:30

2 stops9h 50m

Brussels Bruxelles-National

Sun 29/3

20:40-08:25

2 stops12h 45m

£561
Cheapest one-way

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 19/3

14:15-08:00

1 stop16h 45m

£83

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 17/4

08:00-09:10

2 stops24h 10m

£100

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 £89). Flying from Portsmouth to Belgium in February is currently the most expensive (average of £99). 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?

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 13 March 2026.

A simple way to save on the total cost of your ticket is to fly from Portsmouth to Belgium at midday. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated 13 March 2026.
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
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • How long is the flight from Portsmouth to Belgium?

    A quick flight from Portsmouth to Belgium can take about 3h 55m. KLM provides one of the quickest options available for as low as £205. The distance from Portsmouth to Belgium is about 254 mi.

  • What are the most reliable airlines from Portsmouth to Belgium?

    Consider LATAM Airlines (85%), JetBlue (83%) or Cathay Pacific (83%) 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 £53. While the most popular route (Southampton Eastleigh - Brussels Bruxelles-National) can be booked for £192 on average, our data indicates £616 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 £89). Flying from Portsmouth to Belgium in February is currently the most expensive (average of £99). 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

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Top 3 airlines flying from Portsmouth to Belgium

Discover the top 3 airlines that operate flights from Portsmouth to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£88Average£110FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£95Average£129FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£133Average£215FlexibilityNo cancel feeOn-time75%
Search KLM flights

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?

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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