Cheap flights from Oslo to Serra da Estrela from CA $147

View CA $147 flight on Tue, Aug. 5, 2025Opens in a new window

Popular airlines from Oslo to Serra da Estrela

  • TAP Portugal

    TAP Portugal

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Norwegian Air Shuttle

    Norwegian Air Shuttle

  • Iberia

    Iberia

  • KLM

    KLM

  • Lufthansa

    Lufthansa

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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 $147 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 6 days ago
CA $298
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sun, Aug. 17 from Oslo to Lisbon, returning Sat, Aug. 23, priced at CA $298 found 6 days ago
Norwegian Air Shuttle
Sat, Oct. 18 - Wed, Oct. 22
OSL
Oslo
LIS
Lisbon
CA $343 Roundtrip, found 18 hours ago
CA $343
Roundtrip
found 18 hours ago
Select Norwegian Air Shuttle flight, departing Sat, Oct. 18 from Oslo to Lisbon, returning Wed, Oct. 22, priced at CA $343 found 18 hours ago
KLM
Tue, Oct. 14 - Sun, Oct. 19
OSL
Oslo
LIS
Lisbon
CA $346 Roundtrip, found 18 hours ago
CA $346
Roundtrip
found 18 hours ago
Select KLM flight, departing Tue, Oct. 14 from Oslo to Lisbon, returning Sun, Oct. 19, priced at CA $346 found 18 hours ago
Swiss International Air Lines
Mon, Aug. 25 - Tue, Sep. 2
OSL
Oslo
LIS
Lisbon
CA $418 Roundtrip, found 9 hours ago
CA $418
Roundtrip
found 9 hours ago
Select Swiss International Air Lines flight, departing Mon, Aug. 25 from Oslo to Lisbon, returning Tue, Sep. 2, priced at CA $418 found 9 hours ago
Lufthansa
Mon, Aug. 25 - Tue, Sep. 2
OSL
Oslo
LIS
Lisbon
CA $479 Roundtrip, found 9 hours ago
CA $479
Roundtrip
found 9 hours ago
Select Lufthansa flight, departing Mon, Aug. 25 from Oslo to Lisbon, returning Tue, Sep. 2, priced at CA $479 found 9 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

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

March is typically the cheapest month to fly

From CA $245 - CA $379 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.