Cheap Flights from Jacksonville International to Porto

Compare Jacksonville International to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Jacksonville International to Porto

Looking for a cheap last-minute deal or the best return flight from Jacksonville International Airport to Porto Airport? If you want to travel next month, return fares start from R 15,150. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jacksonville International to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Jacksonville International to Porto flights are currently cheapest in August.

Jacksonville International to Porto: Alternative routes

Compare routes from Jacksonville International to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Jacksonville to Porto: Flight information

The things to know before you go.
Cheapest flight foundR 5,284
Cheapest month to flyAugust

Finding cheap flights from Jacksonville International to Porto: Frequently asked questions

The best price we found for a return flight from Jacksonville International to Porto is R 11,817. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Jacksonville International to Porto. But we found flights with one or more stops from R 11,817.
As of July 2026, there are no flights flying from Jacksonville International to Porto.
The cheapest month to fly from Jacksonville International to Porto is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jacksonville International Airport to Porto Airport on Monday, 14 September 2026.
No airlines currently offer direct flights between Jacksonville International Airport and Porto Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Porto.

Flying from Jacksonville International Airport (JAX) to Porto Airport (OPO): what you need to know

  • Porto is five hours ahead of Jacksonville and follows the UTC+0 timezone.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your JAX to OPO flight.

  • During popular months such as July, it's a good idea to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you travel during a peak period in general.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Jacksonville International Airport to Porto Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to visit the city of your choice. Popular stopovers between JAX and OPO include:

    • New York John F. Kennedy Airport

    • New York Newark Airport

    • Boston Logan International Airport

How to find the cheapest flights from Jacksonville International Airport (JAX) to Porto Airport (OPO)

  • R 5,284 is the lowest price for a one-way Jacksonville International Airport to Porto Airport flight. A return flight starts from R 11,817. These fares can change depending on availability.

  • It's often best to book early if you want to get cheap tickets from JAX to OPO. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the cheapest price across every month when looking for your flight from Jacksonville International Airport to Porto Airport.

  • Getting your hands on cheap flights from JAX to OPO is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a new deal comes up.

  • Tailor your flights using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Jacksonville International Airport to Porto Airport.

Handy information about Jacksonville International Airport (JAX)

  • The address for JAX is 2400 Yankee Clipper Drive.

  • Jacksonville International Airport gets high marks for on-time performance. 81% of flights that take off from JAX reach their destination without delay.

  • Central Jacksonville to Jacksonville International Airport is around 29 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • You can expect a trip time of roughly 1 hour 15 minutes when using public transport.

  • Booked an early flight from Jacksonville International Airport to Porto Airport? Avoid rushing to the airport (and catch some extra z's) by picking one of these stays close to JAX:

Arriving at Porto Airport (OPO)

  • The last thing you need is a long journey to your hotel if you're arriving on a late Jacksonville International Airport to Porto Airport flight. Check in to one of these accommodation options near OPO instead:

  • Pick up a Porto Airport rental car and discover Porto and beyond with your own wheels. Klass Wagen, Goldcar and Drive & Go are popular outlets to choose from here.

  • To lock in the lowest price, book your vehicle from Porto Airport about three weeks before you travel.

Getting from Porto Airport (OPO) to central Porto

  • From Porto Airport, Porto is approximately 11 kilometres away. It takes around 20 minutes to drive to the centre.

  • Getting there on public transport will take you roughly 30 minutes.

When to fly to Porto Airport (OPO)

  • August is the most popular month for flights from Jacksonville International Airport to Porto Airport. For smaller crowds, travel to Porto in March.

  • Lock in your flight from Jacksonville International Airport to Porto Airport for August if you want to visit Porto during its warmest month. Expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).

  • Search for cheap tickets from JAX to OPO in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 14ºC (57ºF) on average.

Explore more of Portugal

  • You've done Porto, now it's time to discover other parts of Portugal. Journey about 274 kilometres south to Lisbon to check off its leading sights. From Pasteis de Belém to belém and Real Mosteiro de Santa Maria de Belém, you'll have a full itinerary ahead.

  • Around 274 kilometres south of Porto, Amadora is another essential stop in Portugal. Experience major highlights starting with Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.