Price calendar

Flexible dates? See the cheapest one-way fares Aviasales travellers found recently, day by day and month by month. Prices can change; the booking site shows the final price.

Cheapest month to fly OPO → MAD

One-way Cheapest recently found one-way fare per month. Pick a month to see its days.

€20 Nov €17 Dec €34 Jan – Feb €22 Mar €30 Apr €27 May – Jun – Jul – Aug – Sept €41 Oct

OPO → MAD · December 2026

Cheapest day: 22 Dec from €17 one way · price may have changed.

Recently found fares One-way

Fares found 2–3 Nov by Aviasales travellers (UTC dates). Checked by LarkTours 3 Nov, 03:27 UTC. Prices and availability may have changed; the booking site shows the final price. LarkTours does not sell tickets.

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December 2026

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Recently found fares · price may have changed

MonTueWedThuFriSatSun

1 –2 –3 –4 –5 –6 –

7 –8 €37 9 €37 10 €37 11 €27 12 –13 €19

14 €19 15 €19 16 €19 17 €19 18 €21 19 €22 20 €22

21 –22 €17 Cheapest23 –24 –25 –26 –27 –

28 –29 –30 –31 –

Cheaper Mid Pricier – no fare found recently

Tap a day to check that date on Aviasales. One-way, economy, 1 adult.

Not set on MAD? See cheap destinations from OPO

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