Cheap flights from Baltimore to Sintra-Cascais Natural Park

View AU$606 flight on Sat, 8 Nov. 2025Opens in a new window

Popular airlines from Baltimore to Sintra-Cascais Natural Park

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Baltimore (WAS) 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.

American Airlines
Sun, 24 Aug. - Mon, 1 Sep.
DCA
Washington
LIS
Lisbon
AU$2,269 Return, just found
AU$2,269
Return
just found
Select American Airlines flight, departing Sun, 24 Aug. from Washington to Lisbon, returning Mon, 1 Sep., priced at AU$2,269 just found
Air Canada
Sun, 24 Aug. - Mon, 1 Sep.
DCA
Washington
LIS
Lisbon
AU$2,398 Return, just found
AU$2,398
Return
just found
Select Air Canada flight, departing Sun, 24 Aug. from Washington to Lisbon, returning Mon, 1 Sep., priced at AU$2,398 just found
Virgin Atlantic
Sun, 24 Aug. - Mon, 1 Sep.
DCA
Washington
LIS
Lisbon
AU$2,878 Return, just found
AU$2,878
Return
just found
Select Virgin Atlantic flight, departing Sun, 24 Aug. from Washington to Lisbon, returning Mon, 1 Sep., priced at AU$2,878 just found
TAP Portugal
Mon, 1 Sep. - Tue, 2 Sep.
DCA
Washington
LIS
Lisbon
AU$3,571 Return, just found
AU$3,571
Return
just found
Select TAP Portugal flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Tue, 2 Sep., priced at AU$3,571 just found
TAP Portugal
Mon, 1 Sep. - Tue, 2 Sep.
DCA
Washington
LIS
Lisbon
AU$3,989 Return, just found
AU$3,989
Return
just found
Select TAP Portugal flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Tue, 2 Sep., priced at AU$3,989 just found
British Airways
Mon, 1 Sep. - Tue, 2 Sep.
DCA
Washington
LIS
Lisbon
AU$4,603 Return, just found
AU$4,603
Return
just found
Select British Airways flight, departing Mon, 1 Sep. from Washington to Lisbon, returning Tue, 2 Sep., priced at AU$4,603 just found

Find the cheapest month to fly from Baltimore (BWI) to Lisbon (LIS)

March is typically the cheapest month to fly

From AU$594 - AU$1,853 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.