Cheap flights from Oslo to Cascais Coast from CA $99

View CA $99 flight on Thu, Aug. 14, 2025Opens in a new window

Popular airlines from Oslo to Cascais Coast

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Lufthansa

    Lufthansa

  • LOT-Polish Airlines

    LOT-Polish Airlines

  • Swiss International Air Lines

    Swiss International Air Lines

  • SAS

    SAS

  • Brussels Airlines

    Brussels Airlines

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Cheap flights from Oslo (OSL) to Cascais Coast (LIS)

Prices were available within the past 7 days and start at CA $99 for one-way flights and CA $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, Aug. 15 - Sat, Aug. 23
OSL
Oslo
LIS
Lisbon
CA $295 Roundtrip, found 4 days ago
CA $295
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Fri, Aug. 15 from Oslo to Lisbon, returning Sat, Aug. 23, priced at CA $295 found 4 days ago
Norwegian Air Shuttle
Sat, Aug. 23 - Wed, Aug. 27
OSL
Oslo
LIS
Lisbon
CA $311 Roundtrip, found 2 days ago
CA $311
Roundtrip
found 2 days ago
Select Norwegian Air Shuttle flight, departing Sat, Aug. 23 from Oslo to Lisbon, returning Wed, Aug. 27, priced at CA $311 found 2 days ago
Swiss International Air Lines
Sun, Sep. 14 - Thu, Sep. 18
OSL
Oslo
LIS
Lisbon
CA $355 Roundtrip, found 5 hours ago
CA $355
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Sun, Sep. 14 from Oslo to Lisbon, returning Thu, Sep. 18, priced at CA $355 found 5 hours ago
Brussels Airlines
Sat, Sep. 20 - Wed, Sep. 24
OSL
Oslo
LIS
Lisbon
CA $415 Roundtrip, found 1 day ago
CA $415
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Sat, Sep. 20 from Oslo to Lisbon, returning Wed, Sep. 24, priced at CA $415 found 1 day ago
Lufthansa
Tue, Aug. 26 - Fri, Aug. 29
OSL
Oslo
LIS
Lisbon
CA $453 Roundtrip, found 2 days ago
CA $453
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Aug. 26 from Oslo to Lisbon, returning Fri, Aug. 29, priced at CA $453 found 2 days ago
LOT-Polish Airlines
Tue, Sep. 23 - Sat, Sep. 27
OSL
Oslo
LIS
Lisbon
CA $551 Roundtrip, found 1 day ago
CA $551
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Tue, Sep. 23 from Oslo to Lisbon, returning Sat, Sep. 27, priced at CA $551 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.