Which layover airport has the shortest connection time from Philadelphia to Porto?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 2h 41m.

Which layover airport has the shortest travel time from Philadelphia to Porto?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 10h 13m.

Which airport is the most popular layover for flights between Philadelphia and Porto?

Madrid (MAD) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Porto?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $862.

What airlines fly to Porto?

TAP AIR PORTUGAL, United Airlines and Azores Airlines are the top three most popular airlines that fly to Porto from Philadelphia according to our data. TAP AIR PORTUGAL is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 15 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Philadelphia to Porto?

TAP AIR PORTUGAL, Air France, and United Airlines are the most popular carriers operating from Philadelphia to Porto

When did momondo last update prices for flights from Philadelphia Airport to Porto Airport?

Prices for flights from Philadelphia Airport to Porto Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Porto Airport?

As of November 2025, there are 5 operators available to choose from for flights from Philadelphia Airport to Porto Airport.

How old do you have to be to fly from Philadelphia Airport to Porto Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$352 Cheap Flights from Philadelphia to Porto in 2025/26

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6:35 pm - 4:05 pmPHL-OPO

16h 30m1 stop

8:40 pm - 3:35 pmOPO-PHL

23h 55m1 stop

$446British Airways

Find Deal

Wed, Feb 11 - Tue, Feb 17

3:30 pm - 1:15 pmPHL-OPO

16h 45m2 stops

6:00 am - 10:46 pmOPO-PHL

21h 46m2 stops

$454Multiple Airlines

Find Deal

Wed, Feb 11 - Tue, Feb 17

6:35 pm - 4:05 pmPHL-OPO

16h 30m1 stop

8:20 am - 11:54 pmOPO-PHL

20h 34m2 stops

$464British Airways

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Wed, Feb 11 - Tue, Feb 17

3:30 pm - 12:50 pmPHL-OPO

17h 20m2 stops

6:00 am - 5:05 pmOPO-PHL

15h 05m1 stop

$477Multiple Airlines

Find Deal

Mon, Mar 16 - Tue, Mar 24

3:30 pm - 12:05 pmPHL-OPO

16h 35m2 stops

12:05 pm - 12:06 amOPO-PHL

40h 01m2 stops

$487Multiple Airlines

Find Deal

Mon, Mar 16 - Tue, Mar 24

5:00 pm - 11:15 amPHL-OPO

38h 15m3 stops

7:25 pm - 12:06 amOPO-PHL

32h 41m2 stops

$503SWISS

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Mon, Mar 16 - Tue, Mar 24

9:00 pm - 7:40 amPHL-OPO

30h 40m1 stop

8:40 pm - 4:35 pmOPO-PHL

23h 55m1 stop

$513Iberia

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Mon, Mar 16 - Tue, Mar 24

5:40 pm - 11:40 amPHL-OPO

13h 00m1 stop

12:30 pm - 4:05 pmOPO-PHL

32h 35m1 stop

$517Lufthansa

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Sun, Jan 18 - Sat, Jan 24

5:40 pm - 11:40 amPHL-OPO

13h 00m1 stop

11:55 am - 4:05 pmOPO-PHL

33h 10m2 stops

$519Multiple Airlines

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Sun, Jan 18 - Sat, Jan 24

2:52 pm - 12:05 pmPHL-OPO

17h 13m2 stops

7:20 pm - 4:00 pmOPO-PHL

25h 40m2 stops

$521Multiple Airlines

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Mon, Mar 9 - Mon, Mar 30

Lufthansa flights from Philadelphia to Porto

Our best Lufthansa deals on Philadelphia to Porto flight tickets

Lufthansa

Jan 18

PHL5:40 pmPhiladelphia

13h 00m

1 stop

OPO11:40 amPorto

Jan 24

OPO12:30 pmPorto

32h 35m

1 stop

PHL4:05 pmPhiladelphia

$517

Find similar

Lufthansa

Apr 19

PHL5:35 pmPhiladelphia

24h 50m

2 stops

OPO11:25 pmPorto

Apr 30

OPO6:00 amPorto

15h 00m

1 stop

PHL4:00 pmPhiladelphia

$561

Find similar

Lufthansa

Apr 23

PHL5:35 pmPhiladelphia

17h 05m

1 stop

OPO3:40 pmPorto

Apr 30

OPO6:00 amPorto

15h 00m

1 stop

PHL4:00 pmPhiladelphia

$623

Find similar

United Airlines flights from Philadelphia to Porto

Our best United Airlines deals on Philadelphia to Porto flight tickets

United Airlines

Jan 30

PHL6:30 amPhiladelphia

24h 10m

2 stops

OPO11:40 amPorto

Feb 3

OPO6:00 amPorto

37h 10m

2 stops

PHL2:10 pmPhiladelphia

$528

Find similar

United Airlines

Apr 14

PHL1:27 pmPhiladelphia

15h 18m

2 stops

OPO9:45 amPorto

Apr 24

OPO6:00 amPorto

15h 00m

1 stop

PHL4:00 pmPhiladelphia

$539

Find similar

United Airlines

Apr 19

PHL6:15 amPhiladelphia

22h 30m

2 stops

OPO9:45 amPorto

Apr 30

OPO6:00 amPorto

15h 00m

1 stop

PHL4:00 pmPhiladelphia

$545

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Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/11

6:35 pm-4:05 pm

1 stop16h 30m

Porto

Tue 2/17

8:40 pm-3:35 pm

1 stop23h 55m

$446

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/11

3:30 pm-1:15 pm

2 stops16h 45m

Porto

Tue 2/17

6:00 am-10:46 pm

2 stops21h 46m

$454

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/11

6:35 pm-4:05 pm

1 stop16h 30m

Porto

Tue 2/17

8:20 am-11:54 pm

2 stops20h 34m

$464

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/16

3:30 pm-12:50 pm

2 stops17h 20m

Porto

Tue 3/24

6:00 am-5:05 pm

1 stop15h 05m

$477

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/16

3:30 pm-12:05 pm

2 stops16h 35m

Porto

Tue 3/24

12:05 pm-12:06 am

2 stops40h 01m

$487

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/16

5:00 pm-11:15 am

3 stops38h 15m

Porto

Tue 3/24

7:25 pm-12:06 am

2 stops32h 41m

$503

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/16

9:00 pm-7:40 am

1 stop30h 40m

Porto

Tue 3/24

8:40 pm-4:35 pm

1 stop23h 55m

$513

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 1/18

5:40 pm-11:40 am

1 stop13h 00m

Porto

Sat 1/24

12:30 pm-4:05 pm

1 stop32h 35m

$517

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 1/18

5:40 pm-11:40 am

1 stop13h 00m

Porto

Sat 1/24

11:55 am-4:05 pm

2 stops33h 10m

$519

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Mon 3/9

2:52 pm-12:05 pm

2 stops17h 13m

Porto

Mon 3/30

7:20 pm-4:00 pm

2 stops25h 40m

$521

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How to get the cheapest flight ticket from Philadelphia to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Porto?

The month of November is, on average, the cheapest month to fly to Porto from Philadelphia, with most prices found around $666. If you aren’t able to travel during the month of November, then book flights to Porto from Philadelphia during January instead. Flights to Porto in January, while not as cheap as those in November, still average around $678.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Sunday when prices can be found for as low as $814. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,097. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the evening is the cheapest time of day to fly from Philadelphia to Porto when you can find flight prices for as low as $829. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $951 on average. Flights to Porto from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $822 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Philadelphia for as low as $653 on momondo.

Can stopping save me money on Philadelphia to Porto flights?

You could potentially save up to 14% on your flight if you consider stops on a Philadelphia to Porto flight.

When to book flights from Philadelphia to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Porto (PHL to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Porto

Fastest flight time	15h 00m
Direct flights	None

The fastest flight from Philadelphia to Porto takes 15h 00m

There are no direct flights from Philadelphia to Porto. There are no popular flight routes from Philadelphia to Porto.

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How far is Philadelphia to Porto by plane?
A flight from Philadelphia to Porto will travel around 3401.6 mi. 10h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Porto Airport?
Prices for flights from Philadelphia Airport to Porto Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Porto Airport?
As of November 2025, there are 5 operators available to choose from for flights from Philadelphia Airport to Porto Airport.
How old do you have to be to fly from Philadelphia Airport to Porto Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Philadelphia to Porto?
Based on momondo bookings for flights between Philadelphia and Porto, the leading airline is Lufthansa, making up 32% of the total bookings. Other popular airlines include Iberia with 20%, United Airlines with 20%, and American Airlines with 19%.

Best airlines flying from Philadelphia to Porto

Compare and see reviews for airlines that fly from Philadelphia to Porto with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $563	Free Cancellation	Rating 7.4 9,050 reviews	Search United Airlines flights
American Airlines	PriceFrom $567	Free Cancellation	Rating 7.2 11,037 reviews	Search American Airlines flights
Lufthansa	PriceFrom $576	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
Iberia	PriceFrom $593	Free Cancellation	Rating 7.0 3,036 reviews	Search Iberia flights
Air Canada	PriceFrom $673	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights

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Espinho

Ponte de Lima

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Pinhao

Curia

Penafiel

Mesao Frio

Mira

Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Porto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Porto. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Porto with flexible booking policies on momondo?

All flight searches from Philadelphia to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Porto?

Once you have performed a search for Philadelphia to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

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Cheap flights from Philadelphia to Porto from $352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Porto departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Lufthansa flights from Philadelphia to Porto

Our best Lufthansa deals on Philadelphia to Porto flight tickets

United Airlines flights from Philadelphia to Porto

Our best United Airlines deals on Philadelphia to Porto flight tickets

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How to get the cheapest flight ticket from Philadelphia to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto?

What is the cheapest day to depart on your flight to Porto?

What is the cheapest time of day to depart on your flight to Porto?

How far in advance should I book a flight to Porto?

Can stopping save me money on Philadelphia to Porto flights?

You could potentially save up to 14% on your flight if you consider stops on a Philadelphia to Porto flight.

What is the cheapest airline that flies from Philadelphia to Porto?

TAP AIR PORTUGAL, Air France, and United Airlines are the most popular carriers operating from Philadelphia to Porto

What airlines fly to Porto?

Which airport is the most popular layover for flights between Philadelphia and Porto?

Madrid (MAD) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Porto?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $862.

Which layover airport has the shortest travel time from Philadelphia to Porto?

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 10h 13m.

Which layover airport has the shortest connection time from Philadelphia to Porto?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 2h 41m.

When to book flights from Philadelphia to Porto

Cheap Philadelphia to Porto (PHL to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Porto

Fastest flight time

Direct flights

How far is Philadelphia to Porto by plane?

When did momondo last update prices for flights from Philadelphia Airport to Porto Airport?

How many operators does momondo search for flights from Philadelphia Airport to Porto Airport?

How old do you have to be to fly from Philadelphia Airport to Porto Airport?

What documentation or ID do you need to fly to Porto Airport?

What is the most popular airline from Philadelphia to Porto?

Best airlines flying from Philadelphia to Porto

Compare and see reviews for airlines that fly from Philadelphia to Porto with momondo

Traveling to a place near Porto?

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Porto?

Can I find flights from Philadelphia to Porto with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Porto?

I’m not ready to book a flight from Philadelphia to Porto right now. Can momondo alert me if prices change?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal