Cheap flights from Oslo to Serra da Estrela

View AU$129 flight on Thu, 7 Aug. 2025Opens in a new window

Popular airlines from Oslo to Serra da Estrela

  • Air France

    Air France

  • British Airways

    British Airways

  • Iberia

    Iberia

  • KLM

    KLM

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • SAS

    SAS

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Cheap Flights from Oslo (OSL) 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.

TAP Portugal
Tue, 26 Aug. - Tue, 2 Sep.
OSL
Oslo
LIS
Lisbon
AU$361 Return, found 3 days ago
AU$361
Return
found 3 days ago
Select TAP Portugal flight, departing Tue, 26 Aug. from Oslo to Lisbon, returning Tue, 2 Sep., priced at AU$361 found 3 days ago
KLM
Wed, 27 Aug. - Wed, 3 Sep.
OSL
Oslo
OPO
Porto
AU$375 Return, found 2 days ago
AU$375
Return
found 2 days ago
Select KLM flight, departing Wed, 27 Aug. from Oslo to Porto, returning Wed, 3 Sep., priced at AU$375 found 2 days ago
Swiss International Air Lines
Wed, 27 Aug. - Wed, 3 Sep.
OSL
Oslo
OPO
Porto
AU$408 Return, found 2 days ago
AU$408
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, 27 Aug. from Oslo to Porto, returning Wed, 3 Sep., priced at AU$408 found 2 days ago
Brussels Airlines
Wed, 27 Aug. - Wed, 3 Sep.
OSL
Oslo
OPO
Porto
AU$426 Return, found 2 days ago
AU$426
Return
found 2 days ago
Select Brussels Airlines flight, departing Wed, 27 Aug. from Oslo to Porto, returning Wed, 3 Sep., priced at AU$426 found 2 days ago
Lufthansa
Sun, 12 Oct. - Mon, 20 Oct.
OSL
Oslo
LIS
Lisbon
AU$464 Return, found 2 days ago
AU$464
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 12 Oct. from Oslo to Lisbon, returning Mon, 20 Oct., priced at AU$464 found 2 days ago
Air France
Sun, 12 Oct. - Mon, 20 Oct.
OSL
Oslo
LIS
Lisbon
AU$468 Return, found 2 days ago
AU$468
Return
found 2 days ago
Select Air France flight, departing Sun, 12 Oct. from Oslo to Lisbon, returning Mon, 20 Oct., priced at AU$468 found 2 days ago

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

March is typically the cheapest month to fly

From AU$273 - AU$423 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.