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Cheap flights from Portsmouth to Brussels from £94

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
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Brussels

Enter your travel dates to find the best prices.

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 13 February 2026.

Mon 16/319:55
SOU
-
BRU
1 stop12h 00m
Multiple Airlines
Fri 20/321:15
BRU
-
SOU
1 stop10h 30m
Multiple Airlines
Deal found 11/2£164
Fri 6/320:10
SOU
-
BRU
1 stop11h 20m
Multiple Airlines
Mon 9/309:40
BRU
-
SOU
1 stop11h 00m
Multiple Airlines
Deal found 13/2£178
Fri 6/319:50
SOU
-
CRL
1 stop14h 40m
Multiple Airlines
Mon 9/313:10
CRL
-
SOU
1 stop7h 30m
Multiple Airlines
Deal found 11/2£181
Fri 13/312:00
SOU
-
CRL
1 stop9h 25m
Multiple Airlines
Fri 20/306:25
CRL
-
SOU
1 stop13h 55m
Multiple Airlines
Deal found 11/2£186
Fri 13/320:10
SOU
-
BRU
1 stop11h 20m
Multiple Airlines
Fri 20/318:30
BRU
-
SOU
2 stops19h 40m
Multiple Airlines
Deal found 11/2£209
Thu 2/412:35
SOU
-
CRL
1 stop8h 40m
Multiple Airlines
Wed 8/409:20
CRL
-
SOU
1 stop11h 10m
Multiple Airlines
Deal found 10/2£211
Thu 2/417:20
SOU
-
BRU
1 stop13h 15m
KLM
Wed 8/408:05
BRU
-
SOU
1 stop9h 45m
KLM
Deal found 10/2£214
Sun 29/320:00
SOU
-
BRU
1 stop12h 00m
Multiple Airlines
Sun 5/417:00
BRU
-
SOU
1 stop16h 40m
Multiple Airlines
Deal found 12/2£234

Find flight deals from Portsmouth to Brussels

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

Round-trip from

£164

One-way from

£94

Popular in

June

Cheapest in

July

Average price

£201
16/3-20/3
  • 16/3-20/3
  • 2 total stops
  • 22h 30m total
  • Portsmouth to Brussels
Search Deals
easyJet
  • easyJet
  • 19/3
  • 1 total stop
  • 5h 10m total
  • Portsmouth to Brussels
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Portsmouth

Fly to

Brussels

Route

Depart

Return

Price

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Mon 16/3

19:55-08:55

1 stop12h 00m

Brussels Bruxelles-National

Fri 20/3

21:15-06:45

1 stop10h 30m

£164

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 6/3

20:10-08:30

1 stop11h 20m

Brussels Bruxelles-National

Mon 9/3

09:40-19:40

1 stop11h 00m

£178

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Fri 6/3

19:50-11:30

1 stop14h 40m

Charleroi Brussels

Mon 9/3

13:10-19:40

1 stop7h 30m

£181

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Fri 13/3

12:00-22:25

1 stop9h 25m

Charleroi Brussels

Fri 20/3

06:25-19:20

1 stop13h 55m

£186

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Fri 13/3

20:10-08:30

1 stop11h 20m

Brussels Bruxelles-National

Fri 20/3

08:45-19:20

1 stop11h 35m

£197

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Thu 2/4

12:35-22:15

1 stop8h 40m

Charleroi Brussels

Wed 8/4

09:20-19:30

1 stop11h 10m

£211

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 2/4

17:20-07:35

1 stop13h 15m

Brussels Bruxelles-National

Wed 8/4

08:05-16:50

1 stop9h 45m

£214

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Sun 29/3

20:00-09:00

1 stop12h 00m

Brussels Bruxelles-National

Sun 5/4

17:00-08:40

1 stop16h 40m

£234

SouthamptonBrussels

SOU - BRU

SOUBRU

Southampton Eastleigh

Thu 19/3

14:15-20:25

1 stop5h 10m

£94

SouthamptonBrussels

SOU - CRL

SOUCRL

Southampton Eastleigh

Thu 19/3

16:05-12:35

1 stop19h 30m

£156

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 16 results
1
2

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.
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

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

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Brussels (average of £87). Flying from Portsmouth to Brussels in February is currently the most expensive (average of £95). 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 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 13 February 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 at midday, which can drop the price by up to 67% 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 13 February 2026.

The most flights from P0R to BR1 are scheduled on a Thursday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated 13 February 2026.
Check out reviews from past customers who have flown with KLM from Portsmouth to Brussels to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,454 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,454 reviews
KLM
7.7
Good
1,454 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Brussels. 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 Brussels?

    Before booking your flight to Brussels from Portsmouth, check out the most reliable airlines to get you to your destination on time: JetBlue (81%), Qatar Airways (79%), LATAM Airlines( 78%).

  • What are the cheapest flights from Portsmouth to Brussels?

    The cheapest flight price from Portsmouth to Brussels is £49. On average you can expect to pay £691. The most popular route, (Southampton Eastleigh - Brussels Bruxelles-National), can usually be booked for £181.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Brussels (average of £87). Flying from Portsmouth to Brussels in February is currently the most expensive (average of £95). 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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Alternative routes for Portsmouth to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
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Southend to Antwerp flights
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Manchester to Ostend flights
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Doncaster to Bruxelles-National flights
Southampton to Charleroi Brussels flights
London City to Charleroi Brussels flights
Darlington to Bruxelles-National flights
Leeds to Antwerp flights
London City to Antwerp flights

Top 3 airlines flying from Portsmouth to Brussels

Discover the top 3 airlines that operate flights from Portsmouth to Brussels. 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 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£86Average£108FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£94Average£120FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£131Average£211FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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

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