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

Lufthansa, American Airlines, and Iberia are the most popular carriers operating from Porto to Philadelphia

What airlines fly to Philadelphia?

TAP AIR PORTUGAL, United Airlines and Brussels Airlines 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 63% 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.

$356 Cheap Flights from Porto to Philadelphia in 2025

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Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

Cheap round-trip flights

6:00 am - 5:10 pmOPO-PHL

16h 10m1 stop

9:20 am - 9:20 amPHL-OPO

19h 00m1 stop

$725United Airlines

Find Deal

Fri, Aug 29 - Wed, Sep 3

6:00 am - 10:08 pmOPO-PHL

21h 08m2 stops

3:25 pm - 9:35 amPHL-OPO

13h 10m1 stop

$755Air Canada

Find Deal

Mon, Sep 8 - Mon, Sep 15

6:00 am - 4:00 pmOPO-PHL

15h 00m1 stop

5:35 pm - 10:50 pmPHL-OPO

24h 15m1 stop

$780Lufthansa

Find Deal

Mon, Sep 8 - Mon, Sep 15

6:00 am - 5:10 pmOPO-PHL

16h 10m1 stop

5:35 pm - 10:45 pmPHL-OPO

24h 10m1 stop

$788Lufthansa

Find Deal

Fri, Aug 29 - Fri, Sep 5

11:35 am - 8:52 amOPO-PHL

26h 17m2 stops

5:05 am - 9:20 amPHL-OPO

23h 15m2 stops

$800

Find Deal

Fri, Aug 29 - Wed, Sep 3

5:40 pm - 9:40 amOPO-PHL

21h 00m1 stop

10:20 am - 10:55 amPHL-OPO

19h 35m1 stop

$804TAP AIR PORTUGAL

Find Deal

Sat, Aug 30 - Sat, Sep 6

11:35 am - 8:52 amOPO-PHL

26h 17m2 stops

9:00 am - 11:45 pmPHL-OPO

33h 45m3 stops

$814

Find Deal

Fri, Aug 29 - Wed, Sep 3

8:15 am - 8:03 amOPO-PHL

28h 48m2 stops

9:36 am - 7:35 amPHL-OPO

16h 59m2 stops

$822American Airlines

Find Deal

Fri, Aug 29 - Wed, Sep 3

5:40 pm - 9:40 amOPO-PHL

21h 00m1 stop

3:10 pm - 10:10 amPHL-OPO

14h 00m2 stops

$827TAP AIR PORTUGAL

Find Deal

Sat, Aug 30 - Sat, Sep 6

8:15 am - 12:24 amOPO-PHL

21h 09m2 stops

8:25 pm - 7:35 amPHL-OPO

30h 10m1 stop

$864American Airlines

Find Deal

Fri, Aug 29 - Wed, Sep 3

United Airlines flights from Porto to Philadelphia

Our best United Airlines deals on Porto to Philadelphia flight tickets

United Airlines

Aug 29

OPO6:00 amPorto

16h 10m

1 stop

PHL5:10 pmPhiladelphia

Sep 3

PHL9:20 amPhiladelphia

19h 00m

1 stop

OPO9:20 amPorto

$725

Find similar

United Airlines

Aug 29

OPO6:00 amPorto

16h 10m

1 stop

PHL5:10 pmPhiladelphia

Sep 3

PHL10:30 amPhiladelphia

17h 50m

2 stops

OPO9:20 amPorto

$759

Find similar

United Airlines

Aug 29

OPO6:00 amPorto

15h 00m

1 stop

PHL4:00 pmPhiladelphia

Sep 3

PHL9:20 amPhiladelphia

19h 00m

1 stop

OPO9:20 amPorto

$761

Find similar

American Airlines flights from Porto to Philadelphia

Our best American Airlines deals on Porto to Philadelphia flight tickets

American Airlines

Aug 29

OPO8:15 amPorto

28h 48m

2 stops

PHL8:03 amPhiladelphia

Sep 3

PHL9:36 amPhiladelphia

16h 59m

2 stops

OPO7:35 amPorto

$822

Find similar

American Airlines

Aug 29

OPO8:15 amPorto

21h 09m

2 stops

PHL12:24 amPhiladelphia

Sep 3

PHL8:25 pmPhiladelphia

30h 10m

1 stop

OPO7:35 amPorto

$864

Find similar

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

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

The cheapest day to depart from Porto to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $762. On the other hand, Tuesday is the most expensive day to depart from Porto because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $778.

Can stopping save me money on Porto to Philadelphia flights?

You could potentially save up to 48% 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	$356
Fastest flight time	12h 35m
Direct flights	None
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Porto in the past 72 hours is $356. The best round-trip flight deal from Porto to Philadelphia found on momondo in the last 72 hours is $725.

The fastest flight from Porto to Philadelphia takes 12h 35m

There are no direct flights from Porto to Philadelphia. Popular non-direct route for this connection is Porto Airport - Philadelphia Airport.

There is 1 airport near Philadelphia: Philadelphia (PHL)

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How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 13h 10m 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

Ocean City

Wildwood Crest

King of Prussia

Reading

Dewey Beach

Newark

Cherry Hill

Dover

North Wildwood

Lewes

Avalon

Stone Harbor

Vineland

Exton

Essington

New Castle

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.