Cheap flights from Miami to Portugal from $339

The cheapest month to fly to Portugal from Miami is in August. Flight prices, which tend to average around $289, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Portugal from Miami during January instead. Flights to Portugal in January, while not as cheap as those in August, still average around $371.

According to our data, Monday is the cheapest day to fly to Portugal from Miami. The lowest ticket price found for a Monday departure recently was $698. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $850.

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Miami to Portugal during this time can be as low as $735. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $750 per ticket.

Fly from Miami to Lisbon Humberto Delgado for the best Miami - Portugal flight prices

You are more likely to see cheaper flights to Portugal from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $798 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Miami for as low as $694 on momondo.

There are 3 cabin classes available to choose from on Miami to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

SWISS, Virgin Atlantic, and Delta are the most popular carriers operating from Miami to Portugal

TAP AIR PORTUGAL, Air Europa and United Airlines are the top three most popular airlines that fly to Portugal from Miami according to our data. TAP AIR PORTUGAL is the first choice among our users, with 80% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 15 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between Miami and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 134 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 30% of their flights experiencing any sort of delay.

3 flights are operational daily from Miami to Portugal as of May 2026. The most popular departure time for this route is 4:00PM, with 77% of flights per day taking off in the afternoon.

The number of flights available between Miami and Portugal is 24 per week as of May 2026. The most frequent departure day is Mon, with 29% of weekly flights leaving on this day.