Cheap flights from Dublin to Sintra-Cascais Natural Park

View AU$105 flight on Tue, 4 Nov. 2025Opens in a new window

Popular airlines from Dublin to Sintra-Cascais Natural Park

  • Air France

    Air France

  • British Airways

    British Airways

  • KLM

    KLM

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • TAP Portugal

    TAP Portugal

  • Aer Lingus

    Aer Lingus

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Dublin (DUB) to Sintra-Cascais Natural Park (LIS)

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.

Aer Lingus
Sat, 30 Aug. - Tue, 2 Sep.
DUB
Dublin
LIS
Lisbon
AU$255 Return, found 3 days ago
AU$255
Return
found 3 days ago
Select Aer Lingus flight, departing Sat, 30 Aug. from Dublin to Lisbon, returning Tue, 2 Sep., priced at AU$255 found 3 days ago
TAP Portugal
Mon, 3 Nov. - Wed, 5 Nov.
DUB
Dublin
LIS
Lisbon
AU$267 Return, found 2 days ago
AU$267
Return
found 2 days ago
Select TAP Portugal flight, departing Mon, 3 Nov. from Dublin to Lisbon, returning Wed, 5 Nov., priced at AU$267 found 2 days ago
Aer Lingus
Mon, 25 Aug. - Thu, 28 Aug.
DUB
Dublin
LIS
Lisbon
AU$273 Return, found 4 days ago
AU$273
Return
found 4 days ago
Select Aer Lingus flight, departing Mon, 25 Aug. from Dublin to Lisbon, returning Thu, 28 Aug., priced at AU$273 found 4 days ago
Lufthansa
Thu, 12 Mar. - Mon, 23 Mar.
DUB
Dublin
LIS
Lisbon
AU$339 Return, found 3 days ago
AU$339
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 12 Mar. from Dublin to Lisbon, returning Mon, 23 Mar., priced at AU$339 found 3 days ago
Swiss International Air Lines
Thu, 8 Jan. - Thu, 15 Jan.
DUB
Dublin
LIS
Lisbon
AU$362 Return, found 4 days ago
AU$362
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, 8 Jan. from Dublin to Lisbon, returning Thu, 15 Jan., priced at AU$362 found 4 days ago
KLM
Thu, 8 Jan. - Thu, 15 Jan.
DUB
Dublin
LIS
Lisbon
AU$366 Return, found 4 days ago
AU$366
Return
found 4 days ago
Select KLM flight, departing Thu, 8 Jan. from Dublin to Lisbon, returning Thu, 15 Jan., priced at AU$366 found 4 days ago

Find the cheapest month to fly from Dublin (DUB) to Lisbon (LIS)

March is typically the cheapest month to fly

From AU$133 - AU$362 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.