What airlines fly to Porto?

TAP AIR PORTUGAL, United Airlines and Delta 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 62% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 12 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?

United Airlines and Delta 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 October 2026, there are 3 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.

$315 Cheap Flights from Philadelphia to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Porto

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:47 pm - 7:00 pmPHL Philadelphia-OPO Porto

21h 13m2 stops Miami Lisbon Humberto Delgado

11:00 am - 8:52 amOPO Porto-PHL Philadelphia

26h 52m2 stops Lisbon Humberto Delgado Miami

$682Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

8:30 am - 7:00 pmPHL Philadelphia-OPO Porto

29h 30m3 stops Atlanta Hartsfield-Jackson Miami Lisbon Humberto Delgado

11:00 am - 8:52 amOPO Porto-PHL Philadelphia

26h 52m2 stops Lisbon Humberto Delgado Miami

$694Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

5:40 pm - 1:50 pmPHL Philadelphia-OPO Porto

15h 10m1 stop Dublin

7:50 am - 4:10 pmOPO Porto-PHL Philadelphia

13h 20m1 stop Dublin

$754Multiple Airlines

Sun, Nov 8 - Sat, Nov 14

8:00 pm - 8:15 amPHL Philadelphia-OPO Porto

7h 15mnonstop

8:20 am - 5:35 pmOPO Porto-PHL Philadelphia

14h 15m1 stop Madrid Barajas

$765Iberia

Mon, Apr 12 - Wed, Apr 21

8:00 pm - 8:15 amPHL Philadelphia-OPO Porto

7h 15mnonstop

10:10 am - 1:40 pmOPO Porto-PHL Philadelphia

8h 30mnonstop

$768American Airlines

Mon, Apr 12 - Wed, Apr 21

2:37 pm - 9:30 amPHL Philadelphia-OPO Porto

14h 53m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 5:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$768United Airlines

Sun, Mar 14 - Tue, Mar 23

6:10 am - 9:30 amPHL Philadelphia-OPO Porto

23h 20m2 stops Chicago O'Hare Intl Newark

6:00 am - 5:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$768United Airlines

Mon, Mar 15 - Tue, Mar 23

8:15 pm - 8:00 pmPHL Philadelphia-OPO Porto

18h 45m1 stop Madrid Barajas

8:20 am - 5:35 pmOPO Porto-PHL Philadelphia

14h 15m1 stop Madrid Barajas

$773Iberia

Mon, Apr 12 - Wed, Apr 21

4:49 pm - 11:45 amPHL Philadelphia-OPO Porto

14h 56m2 stops Boston Logan Intl Madrid Barajas

8:40 pm - 4:50 pmOPO Porto-PHL Philadelphia

24h 10m1 stop Madrid Barajas

$813Iberia

Sat, Mar 20 - Wed, Mar 24

4:40 pm - 4:00 pmPHL Philadelphia-OPO Porto

18h 20m2 stops Boston Logan Intl Madrid Barajas

8:20 am - 3:50 pmOPO Porto-PHL Philadelphia

12h 30m1 stop Madrid Barajas

$828American Airlines

Sun, Jan 24 - Sat, Jan 30

Cheap last minute flights

Enter your travel dates to find the best prices.

10:22 am - 9:10 amPHL Philadelphia-OPO Porto

17h 48m2 stops Boston Logan Intl Lisbon Humberto Delgado

11:00 am - 9:37 amOPO Porto-PHL Philadelphia

26h 37m2 stops Lisbon Humberto Delgado Boston Logan Intl

$1,010Multiple Airlines

Thu, Oct 22 - Thu, Oct 29

6:40 pm - 11:40 amPHL Philadelphia-OPO Porto

13h 00m1 stop Frankfurt am Main

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,035Lufthansa

Sun, Oct 25 - Sun, Nov 1

6:40 pm - 11:40 amPHL Philadelphia-OPO Porto

13h 00m1 stop Frankfurt am Main

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,039Lufthansa

Sun, Oct 25 - Sun, Nov 1

6:40 pm - 11:40 amPHL Philadelphia-OPO Porto

13h 00m1 stop Frankfurt am Main

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,052Lufthansa

Sun, Oct 25 - Sun, Nov 1

6:40 pm - 12:50 pmPHL Philadelphia-OPO Porto

14h 10m2 stops Frankfurt am Main Munich Franz Josef Strauss

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,058Lufthansa

Sun, Oct 25 - Sun, Nov 1

6:40 pm - 11:40 amPHL Philadelphia-OPO Porto

13h 00m1 stop Frankfurt am Main

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,062Lufthansa

Sun, Oct 25 - Sun, Nov 1

6:40 pm - 12:50 pmPHL Philadelphia-OPO Porto

14h 10m2 stops Frankfurt am Main Munich Franz Josef Strauss

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,062Lufthansa

Sun, Oct 25 - Sun, Nov 1

6:40 pm - 12:50 pmPHL Philadelphia-OPO Porto

14h 10m2 stops Frankfurt am Main Munich Franz Josef Strauss

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$1,075Lufthansa

Sun, Oct 25 - Sun, Nov 1

7:23 pm - 3:25 pmPHL Philadelphia-OPO Porto

16h 02m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:55 am - 12:50 amOPO Porto-PHL Philadelphia

22h 55m2 stops Paris Charles de Gaulle Minneapolis St Paul

$1,082Delta

Sun, Oct 25 - Sun, Nov 1

7:23 pm - 3:25 pmPHL Philadelphia-OPO Porto

16h 02m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:55 am - 12:50 amOPO Porto-PHL Philadelphia

22h 55m2 stops Paris Charles de Gaulle Minneapolis St Paul

$1,083Delta

Sun, Oct 25 - Sun, Nov 1

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Iberia flights from Philadelphia to Porto

Our best Iberia deals on Philadelphia to Porto flight tickets

Iberia

Apr 12

PHL8:00 pmPhiladelphia

7h 15m

OPO8:15 amPorto

Apr 21

OPO8:20 amPorto

14h 15m

1 stop

PHL5:35 pmPhiladelphia

$765

Iberia

Mar 20

PHL4:49 pmPhiladelphia

14h 56m

2 stops

OPO11:45 amPorto

Mar 24

OPO8:40 pmPorto

24h 10m

1 stop

PHL4:50 pmPhiladelphia

$813

United Airlines flights from Philadelphia to Porto

Our best United Airlines deals on Philadelphia to Porto flight tickets

United Airlines

Mar 14

PHL2:37 pmPhiladelphia

14h 53m

2 stops

OPO9:30 amPorto

Mar 23

OPO6:00 amPorto

15h 05m

1 stop

PHL5:05 pmPhiladelphia

$768

United Airlines

Mar 14

PHL10:15 amPhiladelphia

19h 15m

2 stops

OPO9:30 amPorto

Mar 24

OPO6:00 amPorto

22h 59m

2 stops

PHL12:59 amPhiladelphia

$777

United Airlines

Mar 17

PHL10:15 amPhiladelphia

21h 30m

2 stops

OPO11:45 amPorto

Mar 23

OPO6:00 amPorto

15h 05m

1 stop

PHL5:05 pmPhiladelphia

$782

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Sun 11/15

4:47 pm-7:00 pm

2 stops21h 13m

Porto

Sun 11/22

11:00 am-8:52 am

2 stops26h 52m

$682

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Sun 11/15

8:30 am-7:00 pm

3 stops29h 30m

Porto

Sun 11/22

11:00 am-8:52 am

2 stops26h 52m

$694

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Sun 11/8

5:40 pm-1:50 pm

1 stop15h 10m

Porto

Sat 11/14

7:50 am-4:10 pm

1 stop13h 20m

$754

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Mon 4/12

8:00 pm-8:15 am

Nonstop7h 15m

Porto

Wed 4/21

8:20 am-5:35 pm

1 stop14h 15m

$765

Quickest round-trip

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Mon 4/12

8:00 pm-8:15 am

Nonstop7h 15m

Porto

Wed 4/21

10:10 am-1:40 pm

Nonstop8h 30m

$768

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Sun 3/14

2:37 pm-9:30 am

2 stops14h 53m

Porto

Tue 3/23

6:00 am-5:05 pm

1 stop15h 05m

$768

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Mon 3/15

6:10 am-9:30 am

2 stops23h 20m

Porto

Tue 3/23

6:00 am-5:05 pm

1 stop15h 05m

$768

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Mon 4/12

8:15 pm-8:00 pm

1 stop18h 45m

Porto

Wed 4/21

8:20 am-5:35 pm

1 stop14h 15m

$773

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Sat 3/20

4:49 pm-11:45 am

2 stops14h 56m

Porto

Wed 3/24

8:40 pm-4:50 pm

1 stop24h 10m

$813

PhiladelphiaPorto

PHL Philadelphia - OPO Porto

PHLOPO

Philadelphia

Sun 1/24

4:40 pm-4:00 pm

2 stops18h 20m

Porto

Sat 1/30

8:20 am-3:50 pm

1 stop12h 30m

$828

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

What is the typical price of a round-trip flight between Philadelphia and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $900 to $987.
The lowest price recently found on this route was $682.

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Philadelphia, with most prices found around $496. If you aren’t able to travel during the month of January, then book flights to Porto from Philadelphia during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $563.

What is the cheapest Philadelphia to Porto flight route?

Fly from Philadelphia to Porto for the best Philadelphia - Porto flight prices

What cabin class options are available on Philadelphia to Porto flights?

There is only 1 cabin class available to choose from on Philadelphia to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Porto flights?

You could potentially save up to 30% 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

Best Price Found	$315
Fastest flight time	7h 15m
Direct flights	Tue and Fri
Airports in Porto	1 airport

The best one-way flight to Porto from Philadelphia in the past 72 hours is $315. The best round-trip flight deal from Philadelphia to Porto found on momondo in the last 72 hours is $682.

The fastest flight from Philadelphia to Porto takes 7h 15m

Direct flights go from Philadelphia to Porto on Tuesday and Friday. There are no airlines offering direct flights.

There is 1 airport in Porto. From Philadelphia there are direct flights to Porto (OPO).

Search flight deals

Frequently asked questions about flying from Philadelphia to Porto

How far is Philadelphia to Porto by plane?
A flight from Philadelphia to Porto will travel around 3401.6 mi. 7h 15m 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 October 2026, there are 3 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 plane model from Philadelphia to Porto?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Porto is Airbus A321neo, representing 100.00% of all bookings.
What is the most popular airline from Philadelphia to Porto?
Based on momondo bookings for flights between Philadelphia and Porto, the leading airline is American Airlines, making up 46% of the total bookings. Other popular airlines include United Airlines with 29% and Iberia with 25%.

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 $489	Free Cancellation	Rating 7.3 10,389 reviews	Search United Airlines flights
Iberia	PriceFrom $496	Free Cancellation	Rating 7.0 3,242 reviews	Search Iberia flights
American Airlines	PriceFrom $758	Free Cancellation	Rating 7.0 12,178 reviews	Search American Airlines flights

Coimbra

Braga

Vila Nova de Gaia

Aveiro

Pinhao

Matosinhos

Esposende

Chaves

Viseu

Espinho

Arcos de Valdevez

Guimarães

Lamego

Ponte de Lima

Caminha

Penafiel

Mira

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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.

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Cheap flights from Philadelphia to Porto from $315

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 11/15. 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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Iberia flights from Philadelphia to Porto

Our best Iberia 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

What is the typical price of a round-trip flight between Philadelphia and Porto?

What is the cheapest month to fly to Porto?

What is the cheapest Philadelphia to Porto flight route?

What cabin class options are available on Philadelphia to Porto flights?

Can stopping save me money on Philadelphia to Porto flights?

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

What airlines fly to Porto?

When to book flights from Philadelphia to Porto

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

Best Price Found

Fastest flight time

Direct flights

Airports in Porto

Frequently asked questions about flying 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?

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

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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