Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Porto. Flights to Porto from Maryland in March are about $927 on average during March, but can be found for as low as $692.
Travelers have found it’s best to book a flight 33 days in advance to save up to 6% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Maryland to Porto 1-2 weeks in advance for as low as $1,049, or $1,084 for flights within the next 24 hours.
When flying from Maryland to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.