To save on the cost of your flight from Dallas to Portugal, book at least 61 days before your planned departure. Booking around this time can save you about 78% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1313 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1956.
The best pricing can be found in the month of February. Prices to Portugal from Dallas average $915. You can even find prices in February for less than $915, as users have found deals to Portugal from as low as $497. The month of August appears to be one of the more expensive times to travel to Portugal from Dallas. Flying in the targeted month can save you up to 41%.