Cheap flights from Oslo to Serra da Estrela from CA $102

View CA $102 flight on Tue, Aug. 12, 2025Opens in a new window

Popular airlines from Oslo to Serra da Estrela

  • Iberia

    Iberia

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • Austrian Airlines

    Austrian Airlines

  • Brussels Airlines

    Brussels Airlines

  • Finnair

    Finnair

  • TAP Portugal

    TAP Portugal

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Cheap flights from Oslo (OSL) to Serra da Estrela (OPO)

Prices were available within the past 7 days and start at CA $102 for one-way flights and CA $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, Aug. 17 - Sat, Aug. 23
OSL
Oslo
LIS
Lisbon
CA $298 Roundtrip, found 5 days ago
CA $298
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Sun, Aug. 17 from Oslo to Lisbon, returning Sat, Aug. 23, priced at CA $298 found 5 days ago
Swiss International Air Lines
Wed, Oct. 15 - Tue, May 5
OSL
Oslo
LIS
Lisbon
CA $338 Roundtrip, found 6 days ago
CA $338
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Wed, Oct. 15 from Oslo to Lisbon, returning Tue, May 5, priced at CA $338 found 6 days ago
Lufthansa
Wed, Oct. 15 - Tue, May 5
OSL
Oslo
LIS
Lisbon
CA $342 Roundtrip, found 6 days ago
CA $342
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Oct. 15 from Oslo to Lisbon, returning Tue, May 5, priced at CA $342 found 6 days ago
Brussels Airlines
Wed, Oct. 15 - Tue, May 5
OSL
Oslo
LIS
Lisbon
CA $433 Roundtrip, found 6 days ago
CA $433
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Wed, Oct. 15 from Oslo to Lisbon, returning Tue, May 5, priced at CA $433 found 6 days ago
Austrian Airlines
Wed, Oct. 15 - Tue, May 5
OSL
Oslo
LIS
Lisbon
CA $464 Roundtrip, found 6 days ago
CA $464
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Wed, Oct. 15 from Oslo to Lisbon, returning Tue, May 5, priced at CA $464 found 6 days ago
LOT-Polish Airlines
Wed, Sep. 3 - Mon, Sep. 8
OSL
Oslo
LIS
Lisbon
CA $524 Roundtrip, found 14 hours ago
CA $524
Roundtrip
found 14 hours ago
Select LOT-Polish Airlines flight, departing Wed, Sep. 3 from Oslo to Lisbon, returning Mon, Sep. 8, priced at CA $524 found 14 hours ago

Find the cheapest month to fly from Oslo (OSL) to Lisbon (LIS)

March is typically the cheapest month to fly

From CA $244 - CA $378 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.