Cheap flights from Dallas to Sintra from CA $317

View CA $317 flight on Tue, Mar. 17, 2026Opens in a new window

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Cheap flights from Dallas (DFW) to Sintra (LIS)

Prices were available within the past 7 days and start at CA $317 for one-way flights and CA $694 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov. 12 - Thu, Nov. 20
DFW
Dallas
LIS
Lisbon
CA $694 Roundtrip, found 17 hours ago
CA $694
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Nov. 12 from Dallas to Lisbon, returning Thu, Nov. 20, priced at CA $694 found 17 hours ago
American Airlines
Wed, Nov. 12 - Wed, Nov. 19
DFW
Dallas
LIS
Lisbon
CA $701 Roundtrip, found 17 hours ago
CA $701
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Nov. 12 from Dallas to Lisbon, returning Wed, Nov. 19, priced at CA $701 found 17 hours ago
Air Canada
Tue, Mar. 17 - Tue, Mar. 24
DFW
Dallas
LIS
Lisbon
CA $702 Roundtrip, found 3 days ago
CA $702
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Mar. 17 from Dallas to Lisbon, returning Tue, Mar. 24, priced at CA $702 found 3 days ago
Delta
Sun, Nov. 9 - Tue, Nov. 18
DFW
Dallas
LIS
Lisbon
CA $711 Roundtrip, found 17 hours ago
CA $711
Roundtrip
found 17 hours ago
Select Delta flight, departing Sun, Nov. 9 from Dallas to Lisbon, returning Tue, Nov. 18, priced at CA $711 found 17 hours ago
Virgin Atlantic
Wed, Nov. 12 - Wed, Nov. 19
DFW
Dallas
LIS
Lisbon
CA $711 Roundtrip, found 17 hours ago
CA $711
Roundtrip
found 17 hours ago
Select Virgin Atlantic flight, departing Wed, Nov. 12 from Dallas to Lisbon, returning Wed, Nov. 19, priced at CA $711 found 17 hours ago
Air France
Wed, Nov. 12 - Wed, Nov. 19
DFW
Dallas
LIS
Lisbon
CA $737 Roundtrip, found 17 hours ago
CA $737
Roundtrip
found 17 hours ago
Select Air France flight, departing Wed, Nov. 12 from Dallas to Lisbon, returning Wed, Nov. 19, priced at CA $737 found 17 hours ago

Find the cheapest month to fly from Dallas (DFW) to Lisbon (LIS)

November is typically the cheapest month to fly

From CA $647 - CA $1,056 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.