What airlines fly to Philadelphia?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Philadelphia from Porto according to our data. TAP AIR PORTUGAL is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 3 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Porto Airport to Philadelphia Airport are refreshed on a daily basis.

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

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

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$378 Cheap Flights from Porto to Philadelphia in 2026/27

Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

Cheap round-trip flights

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8:00 pm - 4:10 pmOPO Porto-PHL Philadelphia

25h 10m2 stops Lisbon Humberto Delgado Dublin

5:40 pm - 10:00 amPHL Philadelphia-OPO Porto

35h 20m2 stops Dublin Lisbon Humberto Delgado

$715Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

4:00 pm - 4:10 pmOPO Porto-PHL Philadelphia

29h 10m2 stops Lisbon Humberto Delgado Dublin

5:40 pm - 10:30 amPHL Philadelphia-OPO Porto

35h 50m2 stops Dublin Amsterdam Schiphol

$755Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

5:55 am - 8:03 pmOPO Porto-PHL Philadelphia

19h 08m2 stops Paris Charles de Gaulle Boston Logan Intl

12:25 pm - 10:35 amPHL Philadelphia-OPO Porto

17h 10m2 stops Boston Logan Intl Paris Charles de Gaulle

$779Air France

Thu, Nov 5 - Mon, Nov 9

5:55 am - 10:07 pmOPO Porto-PHL Philadelphia

20h 12m2 stops Paris Charles de Gaulle Boston Logan Intl

7:05 am - 10:35 amPHL Philadelphia-OPO Porto

22h 30m2 stops Boston Logan Intl Paris Charles de Gaulle

$781Delta

Thu, Oct 29 - Thu, Nov 5

8:40 pm - 3:35 pmOPO Porto-PHL Philadelphia

23h 55m1 stop Madrid Barajas

7:45 pm - 8:00 pmPHL Philadelphia-OPO Porto

19h 15m1 stop Madrid Barajas

$785Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

8:40 pm - 3:35 pmOPO Porto-PHL Philadelphia

23h 55m1 stop Madrid Barajas

7:45 pm - 8:00 pmPHL Philadelphia-OPO Porto

19h 15m1 stop Madrid Barajas

$787Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

8:20 am - 3:35 pmOPO Porto-PHL Philadelphia

12h 15m1 stop Madrid Barajas

7:45 pm - 8:00 pmPHL Philadelphia-OPO Porto

19h 15m1 stop Madrid Barajas

$788Iberia

Thu, Nov 5 - Mon, Nov 9

8:20 am - 7:37 amOPO Porto-PHL Philadelphia

28h 17m2 stops Madrid Barajas Boston Logan Intl

7:35 am - 4:00 pmPHL Philadelphia-OPO Porto

27h 25m2 stops Boston Logan Intl Madrid Barajas

$789American Airlines

Thu, Nov 12 - Sun, Nov 15

8:20 am - 7:12 pmOPO Porto-PHL Philadelphia

39h 52m2 stops Madrid Barajas Boston Logan Intl

10:49 am - 11:45 amPHL Philadelphia-OPO Porto

19h 56m2 stops Boston Logan Intl Madrid Barajas

$790American Airlines

Thu, Nov 12 - Sun, Nov 15

8:20 am - 7:12 pmOPO Porto-PHL Philadelphia

39h 52m2 stops Madrid Barajas Boston Logan Intl

10:49 am - 11:45 amPHL Philadelphia-OPO Porto

19h 56m2 stops Boston Logan Intl Madrid Barajas

$791American Airlines

Thu, Nov 12 - Sun, Nov 15

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SWISS flights from Porto to Philadelphia

Our best SWISS deals on Porto to Philadelphia flight tickets

SWISS

Nov 5

OPO12:05 pmPorto

38h 33m

2 stops

PHL9:38 pmPhiladelphia

Nov 9

PHL1:16 pmPhiladelphia

40h 59m

3 stops

OPO11:15 amPorto

$928

SWISS

Nov 5

OPO12:05 pmPorto

38h 33m

2 stops

PHL9:38 pmPhiladelphia

Nov 9

PHL1:16 pmPhiladelphia

40h 59m

3 stops

OPO11:15 amPorto

$937

SWISS

Nov 5

OPO12:05 pmPorto

38h 33m

3 stops

PHL9:38 pmPhiladelphia

Nov 9

PHL1:16 pmPhiladelphia

40h 59m

3 stops

OPO11:15 amPorto

$1,123

Iberia flights from Porto to Philadelphia

Our best Iberia deals on Porto to Philadelphia flight tickets

Iberia

Nov 5

OPO8:20 amPorto

12h 15m

1 stop

PHL3:35 pmPhiladelphia

Nov 9

PHL7:45 pmPhiladelphia

19h 15m

1 stop

OPO8:00 pmPorto

$788

Iberia

Oct 29

OPO8:40 pmPorto

23h 55m

1 stop

PHL4:35 pmPhiladelphia

Nov 5

PHL4:25 pmPhiladelphia

14h 20m

2 stops

OPO11:45 amPorto

$805

Iberia

Nov 12

OPO8:20 amPorto

19h 10m

2 stops

PHL10:30 pmPhiladelphia

Nov 15

PHL7:45 pmPhiladelphia

15h 15m

1 stop

OPO4:00 pmPorto

$828

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/5

8:00 pm-4:10 pm

2 stops25h 10m

Philadelphia

Mon 11/9

5:40 pm-10:00 am

2 stops35h 20m

$715

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/5

4:00 pm-4:10 pm

2 stops29h 10m

Philadelphia

Mon 11/9

5:40 pm-10:30 am

2 stops35h 50m

$755

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/5

5:55 am-8:03 pm

2 stops19h 08m

Philadelphia

Mon 11/9

12:25 pm-10:35 am

2 stops17h 10m

$779

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 10/29

5:55 am-10:07 pm

2 stops20h 12m

Philadelphia

Thu 11/5

7:05 am-10:35 am

2 stops22h 30m

$781

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/5

8:40 pm-3:35 pm

1 stop23h 55m

Philadelphia

Mon 11/9

7:45 pm-8:00 pm

1 stop19h 15m

$785

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/5

8:40 pm-3:35 pm

1 stop23h 55m

Philadelphia

Mon 11/9

7:45 pm-8:00 pm

1 stop19h 15m

$787

Quickest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/5

8:20 am-3:35 pm

1 stop12h 15m

Philadelphia

Mon 11/9

7:45 pm-8:00 pm

1 stop19h 15m

$788

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/12

8:20 am-7:37 am

2 stops28h 17m

Philadelphia

Sun 11/15

7:35 am-4:00 pm

2 stops27h 25m

$789

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/12

8:20 am-7:12 pm

2 stops39h 52m

Philadelphia

Sun 11/15

10:49 am-11:45 am

2 stops19h 56m

$790

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/12

8:20 am-7:12 pm

2 stops39h 52m

Philadelphia

Sun 11/15

10:49 am-11:45 am

2 stops19h 56m

$791

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 Porto to Philadelphia

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

Can stopping save me money on Porto to Philadelphia flights?

You could potentially save up to 7% on your flight if you consider stops on a Porto to Philadelphia flight.

When to book flights from Porto to Philadelphia

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

Estimated round-trip price

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

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

Best Price Found	$378
Fastest flight time	17h 42m
Direct flights	None

The best one-way flight to Philadelphia from Porto in the past 72 hours is $378. The best round-trip flight deal from Porto to Philadelphia found on momondo in the last 72 hours is $715.

The fastest flight from Porto to Philadelphia takes 17h 42m

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

Search flight deals

Frequently asked questions about flying from Porto to Philadelphia

How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 17h 42m by plane in normal conditions.
When did momondo last update prices for flights from Porto Airport to Philadelphia Airport?
Prices for flights from Porto Airport to Philadelphia Airport are refreshed on a daily basis.
How old do you have to be to fly from Porto Airport to Philadelphia 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 Porto Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Wildwood

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Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

Dover

Dewey Beach

New Castle

North Wildwood

Chester

Vineland

Avalon

Norristown

Pottstown

Stone Harbor

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Porto.

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

Flights from Porto to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Porto.

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

If you are not ready to book a flight from Porto to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.