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.

$441 Cheap Flights from Porto to Philadelphia in 2026

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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.

6:00 pm - 7:34 am

OPO

PHL

18h 34m

1 stop

9:21 am - 10:30 am

PHL

OPO

20h 09m

1 stop

$845TAP AIR PORTUGAL

Sun, May 17 - Sun, May 24

5:40 pm - 7:35 am

OPO

PHL

18h 55m

1 stop

6:00 am - 10:55 am

PHL

OPO

23h 55m

1 stop

$856TAP AIR PORTUGAL

Sat, May 2 - Sat, May 9

5:40 pm - 7:35 am

OPO

PHL

18h 55m

1 stop

4:20 pm - 10:55 am

PHL

OPO

13h 35m

1 stop

$857Multiple Airlines

Sat, May 2 - Sat, May 9

5:40 pm - 7:35 am

OPO

PHL

18h 55m

1 stop

4:20 pm - 10:55 am

PHL

OPO

13h 35m

1 stop

$861Multiple Airlines

Sat, May 2 - Sat, May 9

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

11:38 am - 9:45 am

PHL

OPO

17h 07m

2 stops

$882United Airlines

Thu, May 21 - Thu, May 28

4:50 pm - 9:33 pm

OPO

PHL

33h 43m

3 stops

10:25 am - 9:20 pm

PHL

OPO

29h 55m

3 stops

$884Multiple Airlines

Sat, May 2 - Sat, May 9

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

5:40 pm - 3:45 pm

PHL

OPO

17h 05m

1 stop

$886United Airlines

Thu, May 21 - Thu, May 28

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

5:40 pm - 10:55 pm

PHL

OPO

24h 15m

1 stop

$887Lufthansa

Tue, May 5 - Wed, May 13

8:10 pm - 11:45 pm

OPO

PHL

32h 35m

2 stops

12:00 pm - 7:20 pm

PHL

OPO

26h 20m

2 stops

$897Multiple Airlines

Tue, May 5 - Wed, May 13

5:55 am - 7:04 pm

OPO

PHL

18h 09m

2 stops

10:35 am - 8:30 am

PHL

OPO

16h 55m

2 stops

$900Delta

Sat, May 2 - Sat, May 9

TAP AIR PORTUGAL flights from Porto to Philadelphia

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

TAP AIR PORTUGAL

May 17

OPO6:00 pmPorto

18h 34m

1 stop

PHL7:34 amPhiladelphia

May 24

PHL9:21 amPhiladelphia

20h 09m

1 stop

OPO10:30 amPorto

$845

TAP AIR PORTUGAL

May 2

OPO5:40 pmPorto

18h 55m

1 stop

PHL7:35 amPhiladelphia

May 9

PHL6:00 amPhiladelphia

23h 55m

1 stop

OPO10:55 amPorto

$856

TAP AIR PORTUGAL

May 2

OPO5:40 pmPorto

18h 55m

1 stop

PHL7:35 amPhiladelphia

May 9

PHL4:20 pmPhiladelphia

17h 40m

2 stops

OPO3:00 pmPorto

$907

Delta flights from Porto to Philadelphia

Our best Delta deals on Porto to Philadelphia flight tickets

Delta

May 2

OPO5:55 amPorto

18h 09m

2 stops

PHL7:04 pmPhiladelphia

May 9

PHL10:35 amPhiladelphia

16h 55m

2 stops

OPO8:30 amPorto

$900

Delta

May 2

OPO5:55 amPorto

18h 09m

2 stops

PHL7:04 pmPhiladelphia

May 9

PHL10:35 amPhiladelphia

16h 55m

2 stops

OPO8:30 amPorto

$923

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sun 5/17

6:00 pm-7:34 am

1 stop18h 34m

Philadelphia

Sun 5/24

9:21 am-10:30 am

1 stop20h 09m

$845

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

5:40 pm-7:35 am

1 stop18h 55m

Philadelphia

Sat 5/9

6:00 am-10:55 am

1 stop23h 55m

$856

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

5:40 pm-7:35 am

1 stop18h 55m

Philadelphia

Sat 5/9

4:20 pm-10:55 am

1 stop13h 35m

$857

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

5:40 pm-7:35 am

1 stop18h 55m

Philadelphia

Sat 5/9

4:20 pm-10:55 am

1 stop13h 35m

$861

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 5/21

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Thu 5/28

11:38 am-9:45 am

2 stops17h 07m

$882

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

4:50 pm-9:33 pm

3 stops33h 43m

Philadelphia

Sat 5/9

10:25 am-9:20 pm

3 stops29h 55m

$884

Quickest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 5/21

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Thu 5/28

5:40 pm-3:45 pm

1 stop17h 05m

$886

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Tue 5/5

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Wed 5/13

5:40 pm-10:55 pm

1 stop24h 15m

$887

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Tue 5/5

8:10 pm-11:45 pm

2 stops32h 35m

Philadelphia

Wed 5/13

12:00 pm-7:20 pm

2 stops26h 20m

$897

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

5:55 am-7:04 pm

2 stops18h 09m

Philadelphia

Sat 5/9

10:35 am-8:30 am

2 stops16h 55m

$900

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

Can stopping save me money on Porto to Philadelphia flights?

You could potentially save up to 10% 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

Fastest flight time	15h 05m
Direct flights	None

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.

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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

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

North Wildwood

Dover

Lewes

Stone Harbor

New Castle

Essington

Vineland

Pottstown

Somers Point

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.