Cheap flights from Denver to Serra da Estrela

View AU$721 flight on Sat, 28 Feb. 2026Opens in a new window

Popular airlines from Denver to Serra da Estrela

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Denver (DEN) to Serra da Estrela (OPO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Denver (DEN) to Lisbon (LIS)

November is typically the cheapest month to fly

From AU$738 - AU$1,956 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.