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Cheap flights from Portsmouth to Brussels

LHR — BRU
31 Oct — 7 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Brussels

Popular in

May

Cheapest in

March

Average price

£135
Highest demand for flights based on searches. 5% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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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?

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 75% versus a flight in the morning.

Related info for your journey

  • 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: American Airlines (83%), British Airways (83%), Cathay Pacific( 81%).

  • 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 £1,181. The most popular route, (Southampton Eastleigh - Brussels Bruxelles-National), can usually be booked for £193.

  • 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.

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Alternative routes for Portsmouth to Brussels

Gatwick to Bruxelles-National flights
Stansted to Bruxelles-National flights
Luton to Bruxelles-National flights
London City to Bruxelles-National flights
Stansted to Charleroi Brussels flights
Luton to Charleroi Brussels flights
Manchester to Bruxelles-National flights
Gatwick to Charleroi Brussels flights
Heathrow to Charleroi Brussels flights
Manchester to Charleroi Brussels flights
Heathrow to Bruxelles-National flights
London City to Charleroi Brussels flights
Edinburgh to Bruxelles-National flights
Birmingham to Bruxelles-National flights
Edinburgh to Charleroi Brussels flights
Southend to Bruxelles-National flights
Birmingham to Charleroi Brussels flights
Newcastle upon Tyne to Bruxelles-National flights
Leeds to Bruxelles-National flights
Manchester to Antwerp flights
Liverpool to Bruxelles-National flights
Bristol to Bruxelles-National flights
Southampton to Bruxelles-National flights
Leeds to Charleroi Brussels flights
Gatwick to Antwerp flights
Liverpool to Charleroi Brussels flights
Luton to Antwerp flights
Stansted to Antwerp flights
Gatwick to Ostend flights
Bristol to Charleroi Brussels flights
Newcastle upon Tyne to Charleroi Brussels flights
Exeter to Bruxelles-National flights
Heathrow to Antwerp flights
East Midlands to Bruxelles-National flights
Manchester to Ostend flights
Norwich to Bruxelles-National flights
East Midlands to Charleroi Brussels flights
Heathrow to Ostend flights
Southend to Antwerp flights
Birmingham to Antwerp flights
London City to Antwerp flights
Doncaster to Bruxelles-National flights
Edinburgh to Antwerp flights
Grimsby to Bruxelles-National flights
Southampton to Charleroi Brussels flights
Darlington to Bruxelles-National flights

Top 2 airlines flying from Portsmouth to Brussels

AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest£96Average£136FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
British AirwaysCheapest£97Average£128FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

Cheapflights helps you search for flights from Portsmouth to Brussels 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 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.

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

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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