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Brussels to Porto flights in December 2026 from $170 BRU, CRL, ZYR → OPO

Brussels Airport (BRU), Charleroi Brussels South Airport (CRL), Midi Railway Station (ZYR) → Porto Airport (OPO)

For departures in December 2026, the cheapest return found recently is $170 with Malta Air, 14 Dec – 28 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $206 to $355. Across all 9 departure dates we hold on this route, it is usually $170 to $352.

Cheapest return found recently

$170

14 Dec – 28 Dec · Malta Air

Charleroi Brussels South Airport (CRL) → Porto Airport (OPO)

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
14 Dec – 28 Dec$170Malta Airout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
30 Dec – 5 Jan 2027$182Transaviaout nonstop, back 2 stopsfound 6 days agoSee prices for these dates
29 Dec – 6 Jan 2027$230Ryanairout nonstop, back 2 stopsfound 6 days agoSee prices for these dates
18 Dec – 7 Jan 2027$243Ryanairout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
28 Dec – 3 Jan 2027$352KLMout 1 stop, back 2 stopsfound 7 days agoSee prices for these dates

Every date we hold

7 departure dates

14 Dec – 28 Dec: $170, found 2 days ago18 Dec – 7 Jan 2027: $243, found 6 days ago19 Dec – 2 Jan 2027: $372, found 7 days ago27 Dec – 3 Jan 2027: $357, found 5 days ago28 Dec – 3 Jan 2027: $352, found 7 days ago29 Dec – 6 Jan 2027: $230, found 6 days ago30 Dec – 5 Jan 2027: $182, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
14 Dec – 28 Dec$170Malta AirCharleroi Brussels South Airport (CRL) → Porto Airport (OPO)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
18 Dec – 7 Jan 2027$243RyanairCharleroi Brussels South Airport (CRL) → Porto Airport (OPO)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
19 Dec – 2 Jan 2027$372RyanairCharleroi Brussels South Airport (CRL) → Porto Airport (OPO)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
27 Dec – 3 Jan 2027$357RyanairCharleroi Brussels South Airport (CRL) → Porto Airport (OPO)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
28 Dec – 3 Jan 2027$352KLMBrussels Airport (BRU) → Porto Airport (OPO)out 1 stop, back 2 stopsfound 7 days agoSee prices for these dates
29 Dec – 6 Jan 2027$230RyanairCharleroi Brussels South Airport (CRL) → Porto Airport (OPO)out nonstop, back 2 stopsfound 6 days agoSee prices for these dates
30 Dec – 5 Jan 2027$182TransaviaBrussels Airport (BRU) → Porto Airport (OPO)out nonstop, back 2 stopsfound 6 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $121.

November 2026From $121Cheapest seen2 departure dates21 Nov – 30 Nov · found 3 days agoSee prices for these dates
December 2026From $1707 departure dates14 Dec – 28 Dec · found 2 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work