Find the Cheapest Flights from Dallas to Portugal

Unlock the cheapest flights and the best airfares from Dallas to Portugal. Make your dream trip both memorable and affordable!

Thu, Sep 3DFW-LIS
American Airlines

oneway$308

Tue, Jul 7DFW-FNC
Frontier Airlines

oneway$614

Thu, Jun 18DFW-LIS
Air Canada

$1,093

Dallas to Portugal: Flight information

Cheapest flight found$308

Cheapest month to flySeptember

Most popular airlineAmerican Airlines

Average flight duration1d 5h 46m

Cheapest flight found

Sep 2026

$308

Jun 2026

$444

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