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Cheap flights from Portsmouth to Brussels from £88

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
4 Sep — 11 Sep1
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 5 August 2026.

Mon 7/920:40 -
1 stop11h 45m
Wed 16/919:00 -
1 stop14h 35m
Deal found 3/8£128
Mon 14/920:40 -
1 stop11h 45m
Wed 16/920:25 -
2 stops13h 10m
Deal found 1/8£143
Sun 13/1216:05 -
1 stop6h 05m
Mon 21/1210:00 -
1 stop9h 50m
Deal found 4/8£199
Sun 30/809:20 -
2 stops22h 55m
Sun 6/908:35 -
2 stops24h 50m
Deal found 2/8£206
Sun 30/817:30 -
1 stop13h 05m
Sun 6/915:10 -
1 stop18h 25m
Deal found 2/8£211
Sun 13/1216:05 -
1 stop6h 05m
Fri 18/1214:00 -
1 stop6h 55m
Deal found 4/8£216
Fri 11/1220:30 -
1 stop11h 45m
Mon 21/1214:00 -
1 stop5h 50m
Deal found 4/8£223
Sun 13/1216:05 -
1 stop6h 05m
Thu 24/1206:35 -
1 stop7h 45m
Deal found 4/8£232
Thu 17/1214:25 -
1 stop5h 00m
Fri 18/1214:00 -
1 stop6h 55m
Deal found 4/8£234
Mon 14/1208:40 -
1 stop12h 40m
Tue 22/1206:10 -
1 stop3h 00m
Deal found 4/8£244
Tue 15/1212:35 -
1 stop6h 00m
Thu 24/1206:50 -
1 stop6h 00m
Deal found 4/8£253
Thu 17/1209:20 -
1 stop8h 05m
Thu 24/1206:50 -
1 stop6h 00m
Deal found 4/8£263

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 5 August 2026.

Round-trip from

£128

One-way from

£88

Popular in

May

Cheapest in

November

Average price

£130
7/9-16/9
  • 7/9-16/9
  • 2 total stops
  • 26h 20m total
  • Portsmouth to Brussels
Search Deals
9/9
  • 9/9
  • 1 total stop
  • 15h 15m total
  • Portsmouth to Brussels
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 (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 5 August 2026.
Use the filters below to find and compare flights from Portsmouth to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Mon 7/9

20:40-09:25

1 stop11h 45m

Brussels Bruxelles-National

Wed 16/9

19:00-08:35

1 stop14h 35m

£128

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Mon 14/9

20:40-09:25

1 stop11h 45m

Brussels Bruxelles-National

Wed 16/9

19:00-08:35

1 stop14h 35m

£131

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Sun 13/12

16:05-23:10

1 stop6h 05m

Brussels Bruxelles-National

Mon 21/12

10:00-18:50

1 stop9h 50m

£199

SouthamptonBrussels

SOU Southampton Eastleigh - CRL Charleroi Brussels

SOUCRL

Southampton Eastleigh

Sun 30/8

09:20-09:15

2 stops22h 55m

Charleroi Brussels

Sun 6/9

08:35-08:25

2 stops24h 50m

£206
Fastest return journey

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Sun 13/12

09:30-14:15

1 stop3h 45m

Brussels Bruxelles-National

Tue 22/12

06:10-08:10

1 stop3h 00m

£244

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Sun 13/12

17:30-22:20

1 stop3h 50m

Brussels Bruxelles-National

Sun 20/12

06:10-08:55

1 stop3h 45m

£244

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Tue 15/12

08:40-14:15

1 stop4h 35m

Brussels Bruxelles-National

Sun 20/12

06:10-08:55

1 stop3h 45m

£244

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Mon 14/12

08:40-22:20

1 stop12h 40m

Brussels Bruxelles-National

Tue 22/12

06:10-08:10

1 stop3h 00m

£244

SouthamptonBrussels

SOU Southampton Eastleigh - BRU Brussels Bruxelles-National

SOUBRU

Southampton Eastleigh

Tue 15/12

17:30-22:20

1 stop3h 50m

Brussels Bruxelles-National

Tue 22/12

06:10-08:10

1 stop3h 00m

£244

SouthamptonBrussels

SOU Southampton Eastleigh - CRL Charleroi Brussels

SOUCRL

Southampton Eastleigh

Sat 12/12

06:50-15:30

1 stop7h 40m

Charleroi Brussels

Thu 24/12

06:50-11:50

1 stop6h 00m

£262

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 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 5 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 at midday, which can drop the price by up to 74% 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 5 August 2026.

The most flights from P0R to BR1 are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 5 August 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
7.8
Good
1,553 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent
KLM
7.8
Good
1,553 reviews
KLM
7.8
Good
1,553 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Bobby,Sept 2025

EDI - ATL

Food was above average but could be better, The flight was operated by Delta and was excellent

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: Qatar Airways (77%), British Airways (72%), American Airlines( 71%).

  • What are the cheapest flights from Portsmouth to Brussels?

    The cheapest flight price from Portsmouth to Brussels is £63. On average you can expect to pay £1,164. The most popular route, (Southampton Eastleigh - Brussels Bruxelles-National), can usually be booked for £244.

  • 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

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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.
Gatwick to Bruxelles-National flights
Stansted to Bruxelles-National flights
Luton to Bruxelles-National flights
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Stansted to Charleroi Brussels flights
Luton to Charleroi Brussels flights
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Newcastle upon Tyne to Bruxelles-National flights
Gatwick to Antwerp flights
Manchester to Antwerp flights
Birmingham to Charleroi Brussels flights
Stansted to Antwerp flights
Newcastle upon Tyne to Charleroi Brussels flights
Luton to Antwerp flights
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Gatwick to Ostend flights
Bristol to Bruxelles-National flights
Liverpool to Bruxelles-National flights
Heathrow to Ostend flights
Southend to Antwerp flights
Leeds to Charleroi Brussels flights
Bristol to Charleroi Brussels flights
Birmingham to Antwerp flights
Edinburgh to Antwerp flights
Southampton to Bruxelles-National flights
Leeds to Antwerp flights
Liverpool to Charleroi Brussels flights
East Midlands to Bruxelles-National flights
London City to Antwerp flights
East Midlands to Charleroi Brussels flights
Heathrow to Antwerp flights
Doncaster to Bruxelles-National flights
Manchester to Ostend flights
London City to Charleroi Brussels flights
Norwich to Bruxelles-National flights
Exeter to Bruxelles-National flights
Darlington to Bruxelles-National flights
Newquay to Antwerp flights
Southampton to Charleroi Brussels flights
Grimsby to Bruxelles-National 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 5 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£93Average£111FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£96Average£129FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£177Average£249FlexibilityNo 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?

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.

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

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

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Of course! You can now track prices for flights from Portsmouth to Brussels and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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