Flights to Sintra-Cascais Natural Park from Seattle -

Popular airlines from Seattle to Sintra-Cascais Natural Park

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Cheap Flights from Seattle to Sintra-Cascais Natural Park (SEA-LIS)

Prices were available within the past 7 days and start at for one-way flights and ￥105,620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥105,620 Roundtrip, found 1 day ago
￥105,620
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥105,620 found 1 day ago
United
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥127,940 Roundtrip, found 1 day ago
￥127,940
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥127,940 found 1 day ago
Air Canada
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥128,910 Roundtrip, found 1 day ago
￥128,910
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥128,910 found 1 day ago
Air Canada
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥128,920 Roundtrip, found 1 day ago
￥128,920
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥128,920 found 1 day ago
United
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥129,730 Roundtrip, found 1 day ago
￥129,730
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥129,730 found 1 day ago
American Airlines
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥129,820 Roundtrip, found 1 day ago
￥129,820
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥129,820 found 1 day ago
Swiss International Air Lines
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥131,970 Roundtrip, found 1 day ago
￥131,970
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥131,970 found 1 day ago
Delta
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥133,720 Roundtrip, found 1 day ago
￥133,720
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥133,720 found 1 day ago
Lufthansa
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥150,350 Roundtrip, found 1 day ago
￥150,350
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥150,350 found 1 day ago
KLM
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥151,570 Roundtrip, found 1 day ago
￥151,570
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥151,570 found 1 day ago
Air France
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥184,440 Roundtrip, found 1 day ago
￥184,440
Roundtrip
found 1 day ago
Select Air France flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥184,440 found 1 day ago
Aer Lingus
Tue, Aug 26 - Thu, Sep 11
SEA
Seattle
LIS
Lisbon
￥484,670 Roundtrip, found 1 day ago
￥484,670
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Aug 26 from Seattle to Lisbon, returning Thu, Sep 11, priced at ￥484,670 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Lisbon (LIS)

February is typically the cheapest month to fly

From ￥69,088 - ￥157,109 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.