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 53% 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.

$424 Cheap Flights from Porto to Philadelphia in 2026

Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 9:52 amOPO Porto-PHL Philadelphia

30h 32m2 stops Madrid Barajas Miami

5:40 pm - 11:45 amPHL Philadelphia-OPO Porto

13h 05m1 stop Frankfurt am Main

$807Multiple Airlines

Mon, Nov 23 - Tue, Dec 1

10:15 am - 4:00 pmOPO Porto-PHL Philadelphia

34h 45m2 stops Berlin Brandenburg Dublin

5:40 pm - 11:45 amPHL Philadelphia-OPO Porto

13h 05m1 stop Frankfurt am Main

$815Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

8:40 pm - 3:50 pmOPO Porto-PHL Philadelphia

24h 10m1 stop Madrid Barajas

7:50 pm - 8:00 pmPHL Philadelphia-OPO Porto

19h 10m1 stop Madrid Barajas

$833Iberia

Thu, Nov 26 - Sun, Nov 29

8:40 pm - 3:50 pmOPO Porto-PHL Philadelphia

24h 10m1 stop Madrid Barajas

5:32 pm - 4:45 pmPHL Philadelphia-OPO Porto

18h 13m2 stops Charlotte Douglas London Heathrow

$841Multiple Airlines

Thu, Nov 26 - Sun, Nov 29

12:25 pm - 6:16 pmOPO Porto-PHL Philadelphia

34h 51m2 stops Madrid Barajas Miami

5:40 pm - 11:45 amPHL Philadelphia-OPO Porto

13h 05m1 stop Frankfurt am Main

$844Multiple Airlines

Wed, Nov 25 - Tue, Dec 1

2:40 pm - 4:00 pmOPO Porto-PHL Philadelphia

30h 20m2 stops Duesseldorf Intl Dublin

5:40 pm - 11:45 amPHL Philadelphia-OPO Porto

13h 05m1 stop Frankfurt am Main

$845Multiple Airlines

Thu, Nov 26 - Tue, Dec 1

5:50 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 41m1 stop Boston Logan Intl

6:00 am - 10:55 amPHL Philadelphia-OPO Porto

23h 55m1 stop Boston Logan Intl

$862TAP AIR PORTUGAL

Mon, Sep 21 - Mon, Sep 28

12:25 pm - 9:52 amOPO Porto-PHL Philadelphia

26h 27m2 stops Madrid Barajas Miami

5:40 pm - 11:45 amPHL Philadelphia-OPO Porto

13h 05m1 stop Frankfurt am Main

$862Multiple Airlines

Mon, Nov 23 - Thu, Nov 26

12:25 pm - 9:52 amOPO Porto-PHL Philadelphia

26h 27m2 stops Madrid Barajas Miami

9:25 pm - 5:00 pmPHL Philadelphia-OPO Porto

14h 35m1 stop Lisbon Humberto Delgado

$862Multiple Airlines

Mon, Nov 23 - Sun, Nov 29

5:50 pm - 9:31 amOPO Porto-PHL Philadelphia

20h 41m1 stop Boston Logan Intl

3:57 pm - 10:55 amPHL Philadelphia-OPO Porto

13h 58m1 stop Boston Logan Intl

$863TAP AIR PORTUGAL

Mon, Sep 21 - Mon, Sep 28

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Air Canada flights from Porto to Philadelphia

Our best Air Canada deals on Porto to Philadelphia flight tickets

Air Canada

Sep 21

OPO6:00 amPorto

20h 32m

2 stops

PHL9:32 pmPhiladelphia

Sep 28

PHL3:25 pmPhiladelphia

14h 50m

2 stops

OPO11:15 amPorto

$910

Air Canada

Sep 21

OPO6:00 amPorto

20h 32m

2 stops

PHL9:32 pmPhiladelphia

Sep 28

PHL7:00 amPhiladelphia

19h 00m

2 stops

OPO7:00 amPorto

$934

TAP AIR PORTUGAL flights from Porto to Philadelphia

Our best TAP AIR PORTUGAL deals on Porto to Philadelphia flight tickets

TAP AIR PORTUGAL

Sep 21

OPO5:50 pmPorto

20h 41m

1 stop

PHL9:31 amPhiladelphia

Sep 28

PHL3:57 pmPhiladelphia

13h 58m

1 stop

OPO10:55 amPorto

$863

TAP AIR PORTUGAL

Sep 21

OPO5:50 pmPorto

20h 41m

1 stop

PHL9:31 amPhiladelphia

Sep 28

PHL3:57 pmPhiladelphia

13h 58m

1 stop

OPO10:55 amPorto

$865

TAP AIR PORTUGAL

Sep 21

OPO5:50 pmPorto

20h 41m

1 stop

PHL9:31 amPhiladelphia

Sep 28

PHL3:57 pmPhiladelphia

22h 03m

2 stops

OPO7:00 pmPorto

$884

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 11/23

8:20 am-9:52 am

2 stops30h 32m

Philadelphia

Tue 12/1

5:40 pm-11:45 am

1 stop13h 05m

$807

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Tue 11/24

10:15 am-4:00 pm

2 stops34h 45m

Philadelphia

Tue 12/1

5:40 pm-11:45 am

1 stop13h 05m

$815

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/26

8:40 pm-3:50 pm

1 stop24h 10m

Philadelphia

Sun 11/29

7:50 pm-8:00 pm

1 stop19h 10m

$833

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/26

8:40 pm-3:50 pm

1 stop24h 10m

Philadelphia

Sun 11/29

5:32 pm-4:45 pm

2 stops18h 13m

$841

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Wed 11/25

12:25 pm-6:16 pm

2 stops34h 51m

Philadelphia

Tue 12/1

5:40 pm-11:45 am

1 stop13h 05m

$844

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/26

2:40 pm-4:00 pm

2 stops30h 20m

Philadelphia

Tue 12/1

5:40 pm-11:45 am

1 stop13h 05m

$845

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/21

5:50 pm-9:31 am

1 stop20h 41m

Philadelphia

Mon 9/28

6:00 am-10:55 am

1 stop23h 55m

$862

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 11/23

12:25 pm-9:52 am

2 stops26h 27m

Philadelphia

Thu 11/26

5:40 pm-11:45 am

1 stop13h 05m

$862

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 11/23

12:25 pm-9:52 am

2 stops26h 27m

Philadelphia

Sun 11/29

9:25 pm-5:00 pm

1 stop14h 35m

$862

Quickest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 9/21

5:50 pm-9:31 am

1 stop20h 41m

Philadelphia

Mon 9/28

3:57 pm-10:55 am

1 stop13h 58m

$863

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 31% 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	$424
Fastest flight time	15h 05m
Direct flights	None

The best one-way flight to Philadelphia from Porto in the past 72 hours is $424. The best round-trip flight deal from Porto to Philadelphia found on momondo in the last 72 hours is $807.

The fastest flight from Porto to Philadelphia takes 15h 05m

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 15h 05m 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

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

Dover

Dewey Beach

North Wildwood

New Castle

Chester

Vineland

Avalon

Lewes

Stone Harbor

Pottstown

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.