Cheap flights from Athens to Serra da Estrela from CA $103

View CA $103 flight on Thu, May 7, 2026Opens in a new window

Popular airlines from Athens to Serra da Estrela

  • Swiss International Air Lines

    Swiss International Air Lines

  • Lufthansa

    Lufthansa

  • TAP Portugal

    TAP Portugal

  • Iberia

    Iberia

  • Aegean

    Aegean

  • ITA Airways

    ITA Airways

  • British Airways

    British Airways

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Cheap flights from Athens (ATH) to Serra da Estrela (OPO)

Prices were available within the past 7 days and start at CA $103 for one-way flights and CA $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Tue, Dec. 2 - Mon, Dec. 8
ATH
Athens
OPO
Porto
CA $256 Roundtrip, found 19 hours ago
CA $256
Roundtrip
found 19 hours ago
Select Air France flight, departing Tue, Dec. 2 from Athens to Porto, returning Mon, Dec. 8, priced at CA $256 found 19 hours ago
Air Serbia
Thu, Dec. 4 - Mon, Dec. 8
ATH
Athens
OPO
Porto
CA $282 Roundtrip, found 2 days ago
CA $282
Roundtrip
found 2 days ago
Select Air Serbia flight, departing Thu, Dec. 4 from Athens to Porto, returning Mon, Dec. 8, priced at CA $282 found 2 days ago
Air Serbia
Thu, Feb. 5 - Wed, Feb. 11
ATH
Athens
LIS
Lisbon
CA $290 Roundtrip, found 2 hours ago
CA $290
Roundtrip
found 2 hours ago
Select Air Serbia flight, departing Thu, Feb. 5 from Athens to Lisbon, returning Wed, Feb. 11, priced at CA $290 found 2 hours ago
Swiss International Air Lines
Fri, Dec. 5 - Sat, Dec. 13
ATH
Athens
OPO
Porto
CA $292 Roundtrip, found 3 days ago
CA $292
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Dec. 5 from Athens to Porto, returning Sat, Dec. 13, priced at CA $292 found 3 days ago
Aegean
Thu, Feb. 5 - Wed, Feb. 11
ATH
Athens
LIS
Lisbon
CA $294 Roundtrip, found 2 hours ago
CA $294
Roundtrip
found 2 hours ago
Select Aegean flight, departing Thu, Feb. 5 from Athens to Lisbon, returning Wed, Feb. 11, priced at CA $294 found 2 hours ago
easyJet
Thu, Oct. 16 - Thu, Oct. 23
ATH
Athens
LIS
Lisbon
CA $301 Roundtrip, found 4 days ago
CA $301
Roundtrip
found 4 days ago
Select easyJet flight, departing Thu, Oct. 16 from Athens to Lisbon, returning Thu, Oct. 23, priced at CA $301 found 4 days ago

Find the cheapest month to fly from Athens (ATH) to Lisbon (LIS)

January is typically the cheapest month to fly

From CA $180 - CA $414 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.