To save up to 78% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Nashville to Portugal from $1313 1-2 weeks out and tickets from $1956 for flights departing within the next 72 hours.
Flights from Nashville to Portugal lean towards being more expensive in August. Prices are generally better when you fly from Nashville to Portugal in February, with the cheapest ticket starting at $497.