Cheap flights from Houston to Serra da Estrela from CA $630

View CA $630 flight on Wed, Oct. 29, 2025Opens in a new window

Popular airlines from Houston to Serra da Estrela

  • British Airways

    British Airways

  • Lufthansa

    Lufthansa

  • Air Canada

    Air Canada

  • Turkish Airlines

    Turkish Airlines

  • TAP Portugal

    TAP Portugal

  • Iberia

    Iberia

  • Brussels Airlines

    Brussels Airlines

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Cheap flights from Houston (HOU) to Serra da Estrela (OPO)

Prices were available within the past 7 days and start at CA $630 for one-way flights and CA $809 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Feb. 17 - Wed, Feb. 25
IAH
Houston
LIS
Lisbon
CA $809 Roundtrip, found 2 days ago
CA $809
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Feb. 17 from Houston to Lisbon, returning Wed, Feb. 25, priced at CA $809 found 2 days ago
British Airways
Tue, Feb. 17 - Wed, Feb. 25
IAH
Houston
LIS
Lisbon
CA $809 Roundtrip, found 2 days ago
CA $809
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Feb. 17 from Houston to Lisbon, returning Wed, Feb. 25, priced at CA $809 found 2 days ago
Virgin Atlantic
Tue, Feb. 17 - Wed, Feb. 25
IAH
Houston
LIS
Lisbon
CA $812 Roundtrip, found 2 days ago
CA $812
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Tue, Feb. 17 from Houston to Lisbon, returning Wed, Feb. 25, priced at CA $812 found 2 days ago
Delta
Tue, Feb. 17 - Wed, Feb. 25
IAH
Houston
LIS
Lisbon
CA $812 Roundtrip, found 2 days ago
CA $812
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb. 17 from Houston to Lisbon, returning Wed, Feb. 25, priced at CA $812 found 2 days ago
American Airlines
Tue, Feb. 17 - Wed, Feb. 25
IAH
Houston
LIS
Lisbon
CA $812 Roundtrip, found 2 days ago
CA $812
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Feb. 17 from Houston to Lisbon, returning Wed, Feb. 25, priced at CA $812 found 2 days ago
Air Canada
Tue, Feb. 17 - Wed, Feb. 25
IAH
Houston
LIS
Lisbon
CA $813 Roundtrip, found 2 days ago
CA $813
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Feb. 17 from Houston to Lisbon, returning Wed, Feb. 25, priced at CA $813 found 2 days ago

Find the cheapest month to fly from Houston (HOU) to Lisbon (LIS)

February is typically the cheapest month to fly

From CA $699 - CA $1,387 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.