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.

$370 Cheap Flights from Porto to Philadelphia in 2026

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Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 pm - 6:55 pm

OPO

PHL

25h 55m

2 stops

8:25 pm - 12:40 am

PHL

OPO

23h 15m

2 stops

$813Multiple Airlines

Sat, May 2 - Sat, May 9

4:50 pm - 6:55 pm

OPO

PHL

31h 05m

2 stops

8:25 pm - 9:20 pm

PHL

OPO

19h 55m

1 stop

$854Multiple 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

$868TAP AIR PORTUGAL

Sat, May 2 - Sat, May 9

5:40 pm - 9:50 pm

OPO

PHL

33h 10m

1 stop

6:00 am - 10:55 am

PHL

OPO

23h 55m

1 stop

$891Multiple Airlines

Sat, May 2 - Sat, May 9

5:40 pm - 9:50 pm

OPO

PHL

33h 10m

1 stop

6:00 am - 10:55 am

PHL

OPO

23h 55m

1 stop

$894TAP AIR PORTUGAL

Sat, May 2 - Sat, May 9

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

3:10 pm - 9:45 am

PHL

OPO

13h 35m

2 stops

$898United Airlines

Tue, May 26 - Tue, Jun 2

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

5:40 pm - 10:45 pm

PHL

OPO

24h 05m

1 stop

$916Lufthansa

Fri, May 29 - Fri, Jun 5

8:20 am - 7:35 pm

OPO

PHL

16h 15m

2 stops

2:45 pm - 4:00 pm

PHL

OPO

20h 15m

2 stops

$918Iberia

Sat, May 2 - Sat, May 9

12:05 pm - 4:05 pm

OPO

PHL

33h 00m

1 stop

7:45 pm - 3:45 pm

PHL

OPO

15h 00m

2 stops

$920United Airlines

Sat, May 2 - Sat, May 9

5:55 am - 10:09 pm

OPO

PHL

21h 14m

2 stops

8:05 am - 10:30 am

PHL

OPO

21h 25m

2 stops

$926Delta

Fri, May 29 - Fri, Jun 5

TAP AIR PORTUGAL flights from Porto to Philadelphia

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

TAP AIR PORTUGAL

May 2

OPO5:40 pmPorto

18h 55m

1 stop

PHL7:35 amPhiladelphia

May 9

PHL4:20 pmPhiladelphia

13h 35m

1 stop

OPO10:55 amPorto

$868

TAP AIR PORTUGAL

May 2

OPO5:40 pmPorto

33h 10m

1 stop

PHL9:50 pmPhiladelphia

May 9

PHL6:00 amPhiladelphia

23h 55m

1 stop

OPO10:55 amPorto

$894

TAP AIR PORTUGAL

May 17

OPO6:00 pmPorto

18h 34m

1 stop

PHL7:34 amPhiladelphia

May 20

PHL6:33 pmPhiladelphia

11h 12m

1 stop

OPO10:45 amPorto

$5,453

Lufthansa flights from Porto to Philadelphia

Our best Lufthansa deals on Porto to Philadelphia flight tickets

Lufthansa

May 29

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Jun 5

PHL5:40 pmPhiladelphia

24h 05m

1 stop

OPO10:45 pmPorto

$916

Lufthansa

May 9

OPO12:05 pmPorto

33h 00m

1 stop

PHL4:05 pmPhiladelphia

May 16

PHL6:54 pmPhiladelphia

33h 51m

2 stops

OPO9:45 amPorto

$991

Lufthansa

Jun 8

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Jun 11

PHL5:40 pmPhiladelphia

24h 15m

1 stop

OPO10:55 pmPorto

$1,079

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

10:00 pm-6:55 pm

2 stops25h 55m

Philadelphia

Sat 5/9

8:25 pm-12:40 am

2 stops23h 15m

$813

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

4:50 pm-6:55 pm

2 stops31h 05m

Philadelphia

Sat 5/9

8:25 pm-9:20 pm

1 stop19h 55m

$854

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

$868

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

5:40 pm-9:50 pm

1 stop33h 10m

Philadelphia

Sat 5/9

6:00 am-10:55 am

1 stop23h 55m

$891

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

5:40 pm-9:50 pm

1 stop33h 10m

Philadelphia

Sat 5/9

6:00 am-10:55 am

1 stop23h 55m

$894

Quickest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Tue 5/26

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Tue 6/2

3:10 pm-9:45 am

2 stops13h 35m

$898

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Fri 5/29

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Fri 6/5

5:40 pm-10:45 pm

1 stop24h 05m

$916

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

8:20 am-7:35 pm

2 stops16h 15m

Philadelphia

Sat 5/9

2:45 pm-4:00 pm

2 stops20h 15m

$918

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 5/2

12:05 pm-4:05 pm

1 stop33h 00m

Philadelphia

Sat 5/9

7:45 pm-3:45 pm

2 stops15h 00m

$920

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Fri 5/29

5:55 am-10:09 pm

2 stops21h 14m

Philadelphia

Fri 6/5

8:05 am-10:30 am

2 stops21h 25m

$926

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	27h 27m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 27h 27m

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 27h 27m 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.