Cheap flights from Oslo to Serra da Estrela from CA $133

View CA $133 flight on Fri, Jul. 25, 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 $133 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
Norwegian Air Shuttle
Sat, Oct. 18 - Wed, Oct. 22
OSL
Oslo
LIS
Lisbon
CA $343 Roundtrip, found 5 hours ago
CA $343
Roundtrip
found 5 hours ago
Select Norwegian Air Shuttle flight, departing Sat, Oct. 18 from Oslo to Lisbon, returning Wed, Oct. 22, priced at CA $343 found 5 hours ago
KLM
Tue, Oct. 14 - Sun, Oct. 19
OSL
Oslo
LIS
Lisbon
CA $346 Roundtrip, found 5 hours ago
CA $346
Roundtrip
found 5 hours ago
Select KLM flight, departing Tue, Oct. 14 from Oslo to Lisbon, returning Sun, Oct. 19, priced at CA $346 found 5 hours ago
LOT-Polish Airlines
Wed, Sep. 3 - Mon, Sep. 8
OSL
Oslo
LIS
Lisbon
CA $524 Roundtrip, found 1 day ago
CA $524
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Wed, Sep. 3 from Oslo to Lisbon, returning Mon, Sep. 8, priced at CA $524 found 1 day ago
Turkish Airlines
Fri, Oct. 17 - Wed, Oct. 22
OSL
Oslo
LIS
Lisbon
CA $543 Roundtrip, found 5 hours ago
CA $543
Roundtrip
found 5 hours ago
Select Turkish Airlines flight, departing Fri, Oct. 17 from Oslo to Lisbon, returning Wed, Oct. 22, priced at CA $543 found 5 hours ago
Air Serbia
Fri, Sep. 19 - Tue, Sep. 23
OSL
Oslo
LIS
Lisbon
CA $569 Roundtrip, found 6 days ago
CA $569
Roundtrip
found 6 days ago
Select Air Serbia flight, departing Fri, Sep. 19 from Oslo to Lisbon, returning Tue, Sep. 23, priced at CA $569 found 6 days 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.