Cheap Flights from Philadelphia to Porto from $1,286

Compare Philadelphia to Porto flight deals

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Flight deals from Philadelphia to Porto

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Porto Airport? If you want to travel next month, return fares start from $1,420. Find the lowest prices on one-way and return tickets right here.

Porto.$1,286 per passenger.Departing Mon, 19 Apr, returning Mon, 26 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Philadelphia International on Mon, 19 Apr, arriving in Porto.Inbound indirect flight with British Airways, departs from Porto on Mon, 26 Apr, arriving in Philadelphia International.Price includes taxes and charges.From $1,286, select.

Porto.$1,297 per passenger.Departing Sun, 1 Nov, returning Sat, 14 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sun, 1 Nov, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Sat, 14 Nov, arriving in Philadelphia International.Price includes taxes and charges.From $1,297, select.

Porto.$1,299 per passenger.Departing Sun, 29 Nov, returning Sat, 5 Dec.Return flight with Finnair and Iberia.Outbound indirect flight with Finnair, departs from Philadelphia International on Sun, 29 Nov, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Sat, 5 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,299, select.

Porto.$1,304 per passenger.Departing Thu, 18 Mar, returning Mon, 22 Mar.Return flight with Finnair and Iberia.Outbound indirect flight with Finnair, departs from Philadelphia International on Thu, 18 Mar, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Mon, 22 Mar, arriving in Philadelphia International.Price includes taxes and charges.From $1,304, select.

Porto.$1,306 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Philadelphia International on Wed, 19 Aug, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Wed, 26 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $1,306, select.

Porto.$1,399 per passenger.Departing Fri, 25 Sep, returning Wed, 14 Oct.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Philadelphia International on Fri, 25 Sep, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Wed, 14 Oct, arriving in Philadelphia International.Price includes taxes and charges.From $1,399, select.

Porto.$1,412 per passenger.Departing Mon, 21 Sep, returning Mon, 28 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 21 Sep, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Mon, 28 Sep, arriving in Philadelphia International.Price includes taxes and charges.From $1,412, select.

Porto.$1,418 per passenger.Departing Mon, 20 Jul, returning Wed, 5 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Mon, 20 Jul, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Wed, 5 Aug, arriving in Philadelphia International.Price includes taxes and charges.From $1,418, select.

Porto.$1,420 per passenger.Departing Sun, 12 Jul, returning Tue, 28 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sun, 12 Jul, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Tue, 28 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $1,420, select.

Porto.$1,511 per passenger.Departing Sat, 8 May, returning Sat, 15 May.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Philadelphia International on Sat, 8 May, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Sat, 15 May, arriving in Philadelphia International.Price includes taxes and charges.From $1,511, select.

Porto.$1,541 per passenger.Departing Tue, 23 Jun, returning Tue, 14 Jul.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Philadelphia International on Tue, 23 Jun, arriving in Porto.Inbound indirect flight with Lufthansa, departs from Porto on Tue, 14 Jul, arriving in Philadelphia International.Price includes taxes and charges.From $1,541, select.

Porto.$1,563 per passenger.Departing Tue, 15 Dec, returning Sun, 27 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 15 Dec, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Sun, 27 Dec, arriving in Philadelphia International.Price includes taxes and charges.From $1,563, select.

Porto.$1,623 per passenger.Departing Mon, 8 Jun, returning Sun, 14 Jun.Return flight with United.Outbound indirect flight with United, departs from Philadelphia International on Mon, 8 Jun, arriving in Porto.Inbound indirect flight with United, departs from Porto on Sun, 14 Jun, arriving in Philadelphia International.Price includes taxes and charges.From $1,623, select.

Find the cheapest month to fly from Philadelphia to Porto

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

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Philadelphia to Porto: Alternative routes

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

Philadelphia to Porto: Flight information

The things to know before you go.

Cheapest flight found	$1,286
Cheapest month to fly	April

Finding cheap flights from Philadelphia to Porto: Frequently asked questions

How much are return flights from Philadelphia to Porto?

The best price we found for a return flight from Philadelphia to Porto is $1,286. 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.

Which airlines fly direct from Philadelphia to Porto?

Currently, there are no airlines that fly direct from Philadelphia to Porto. But we found flights with one stop from $1,286.

How many flights are there a week from Philadelphia to Porto?

As of June 2026, there are no flights flying from Philadelphia to Porto.

When is the cheapest time to fly from Philadelphia to Porto?

The cheapest month to fly from Philadelphia to Porto is usually April.

Which upcoming date is cheapest to fly from Philadelphia to Porto Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Porto Airport on Monday, 19 April 2027.

Can I get a direct flight from Philadelphia to Porto Airport?

No airlines currently offer direct flights between Philadelphia and Porto Airport. Most routes have one or more stops.

How can I find the best flight deal to Porto?

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.

When is the best time to book flights to Porto?

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.

Which is the cheapest airline to fly from Philadelphia to Porto with?

The cheapest airline that flies to Porto is British Airways .

Travelling from Philadelphia to Porto Airport (OPO): What you need to know

The timezone in Porto is UTC+0, which is five hours ahead of Philadelphia. Porto Airport is located in Porto.
To ensure you catch your flight from Philadelphia to OPO, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the standard rule.
If you're flying during a peak month like July, arrive at the terminal even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of a domestic departure. Check-in and security lines will be longer during peak periods like Thanksgiving, Christmas and New Year.

Airports in Philadelphia

Philadelphia International Airport (PHL)

Consider adding a stopover to find cheap flights from Philadelphia to OPO. Simply uncheck 'Direct flights only' when browsing departures from Philadelphia International Airport (PHL). Break up the journey at one of these popular options:
- Boston Logan International Airport (BOS)
- Toronto Pearson International Airport (YYZ)
- Montreal-Trudeau International Airport (YUL)
Located around 18 kilometres from the centre of Philadelphia, PHL can be reached in about 20 minutes by car (depending on traffic). The journey by public transport will take roughly 30 minutes.
Want a hassle-free start to your break? Stay near Philadelphia International Airport. Whether you've booked an early flight from Philadelphia to Porto Airport or just don't like being rushed, these hotels are the answer:
77% of flights that take off from Philadelphia International Airport arrive at their destination on schedule.
PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

You can get to TTN from central Philadelphia in approximately 40 minutes by car (depending on traffic). The ride by public transport will take roughly 1 hour 35 minutes to travel the 48 kilometres or so.
Get your holiday started early with an additional night away from home. Before your Philadelphia to OPO flight, kick back in one of these hotels near Trenton-Mercer Airport:
Trenton-Mercer Airport has an on-time performance rate of 76%. This figure provides insight into how often flights that depart from this airport land on schedule.
You'll find TTN at Scotch Road, Terminal Building.

About Porto Airport (OPO)

Reserve a hotel close to OPO if you have a late flight from Philadelphia to Porto Airport. Check in to one of these accommodation options and say goodnight sooner:
Booking your vehicle around three weeks ahead of your Philadelphia to Porto Airport flight can help you secure the lowest rate.

Getting from Porto Airport (OPO) to central Porto

Central Porto is around 11 kilometres from Porto Airport and takes about 20 minutes to reach by car. See what your options are for heading into the city, whether that's with a taxi, car hire or ride-share.
It typically takes 30 minutes when travelling by public transport.

How to find the cheapest flights from Philadelphia to Porto Airport (OPO)

$590 is the best price for a one-way ticket from Philadelphia to Porto Airport. A return flight starts at $1,286. These prices may change depending on availability.
To pick up cheap flights from Philadelphia to OPO, book early. Airlines tend to offer lower fares when tickets first go on sale.
If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the lowest price in each month when searching for your Philadelphia to Porto Airport ticket.
There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know when a better deal comes up on plane tickets from Philadelphia to OPO.
Save on your flight from Philadelphia to Porto Airport by using filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Philadelphia to Porto Airport (OPO)

December is the quietest month for flights from Philadelphia to Porto Airport (OPO), while August is the busiest. Pick the ideal time to go to Porto based on whether you want a laid-back vibe or a more bustling atmosphere.
Before locking in your Philadelphia to OPO plane ticket, consider the weather you're most comfortable in. August is the warmest month in Porto, with temperatures ranging from 14ºC to 32ºC.
Look for cheap tickets from Philadelphia to Porto Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 14ºC.

More about Porto

When it comes to looking for somewhere to rest your head, you'll find the best stays in Porto right here. Explore these hotels after you've booked your flight from Philadelphia to Porto Airport:
Your trip to Porto wouldn't be complete without a bit of sightseeing. Leading attractions worth exploring include Ribeira District, Rio Douro and Livraria Lello.

Explore more of Portugal

Lisbon is just one of the many places in Portugal waiting to be explored after you've experienced Porto. Around 290 kilometres away to the south, top sights here include Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.
Amadora is another standout destination in Portugal and is around 274 kilometres south of Porto. No trip is complete without experiencing Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.