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.

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

Iberia is the most popular carrier operating from Porto to Philadelphia

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.

$408 Cheap Flights from Porto to Philadelphia in 2026

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.

8:40 pm - 5:45 pm

OPO

PHL

26h 05m

1 stop

4:20 pm - 7:40 am

PHL

OPO

10h 20m

1 stop

$825Iberia

Mon, Sep 14 - Mon, Sep 21

8:40 pm - 5:45 pm

OPO

PHL

26h 05m

1 stop

4:20 pm - 7:40 am

PHL

OPO

10h 20m

1 stop

$826Iberia

Mon, Sep 14 - Mon, Sep 21

8:40 pm - 5:45 pm

OPO

PHL

26h 05m

1 stop

4:20 pm - 7:40 am

PHL

OPO

10h 20m

1 stop

$839Iberia

Mon, Sep 14 - Mon, Sep 21

8:40 pm - 5:45 pm

OPO

PHL

26h 05m

1 stop

10:03 pm - 11:45 am

PHL

OPO

32h 42m

2 stops

$843Iberia

Sun, Sep 20 - Sun, Sep 27

4:00 pm - 4:05 pm

OPO

PHL

29h 05m

3 stops

3:25 pm - 12:40 am

PHL

OPO

28h 15m

3 stops

$865Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

5:40 pm - 9:31 am

OPO

PHL

20h 51m

1 stop

3:57 pm - 11:15 pm

PHL

OPO

26h 18m

2 stops

$871TAP AIR PORTUGAL

Sat, Sep 19 - Sat, Sep 26

5:55 pm - 9:31 am

OPO

PHL

20h 36m

1 stop

6:00 am - 7:00 pm

PHL

OPO

32h 00m

2 stops

$873TAP AIR PORTUGAL

Mon, Sep 14 - Mon, Sep 21

5:55 am - 9:32 pm

OPO

PHL

20h 37m

2 stops

4:20 pm - 7:50 am

PHL

OPO

34h 30m

3 stops

$875Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

5:40 pm - 3:40 pm

PHL

OPO

17h 00m

1 stop

$879Lufthansa

Wed, Sep 9 - Wed, Sep 16

6:00 am - 6:54 pm

OPO

PHL

17h 54m

2 stops

7:40 pm - 6:50 am

PHL

OPO

30h 10m

2 stops

$882United Airlines

Thu, Sep 10 - Thu, Sep 17

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

TAP AIR PORTUGAL flights from Porto to Philadelphia

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

TAP AIR PORTUGAL

Sep 19

OPO5:40 pmPorto

20h 51m

1 stop

PHL9:31 amPhiladelphia

Sep 26

PHL3:57 pmPhiladelphia

26h 18m

2 stops

OPO11:15 pmPorto

$871

TAP AIR PORTUGAL

Sep 14

OPO5:55 pmPorto

20h 36m

1 stop

PHL9:31 amPhiladelphia

Sep 21

PHL6:00 amPhiladelphia

32h 00m

2 stops

OPO7:00 pmPorto

$873

TAP AIR PORTUGAL

Sep 20

OPO10:30 pmPorto

28h 33m

2 stops

PHL10:03 pmPhiladelphia

Sep 27

PHL6:48 pmPhiladelphia

33h 12m

2 stops

OPO9:00 amPorto

$903

United Airlines flights from Porto to Philadelphia

Our best United Airlines deals on Porto to Philadelphia flight tickets

United Airlines

Sep 10

OPO6:00 amPorto

17h 54m

2 stops

PHL6:54 pmPhiladelphia

Sep 17

PHL7:40 pmPhiladelphia

30h 10m

2 stops

OPO6:50 amPorto

$882

United Airlines

Sep 20

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Sep 27

PHL7:30 pmPhiladelphia

33h 15m

2 stops

OPO9:45 amPorto

$883

United Airlines

Sep 9

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Sep 16

PHL11:04 amPhiladelphia

17h 41m

2 stops

OPO9:45 amPorto

$890

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Mon 9/14

8:40 pm-5:45 pm

1 stop26h 05m

Philadelphia

Mon 9/21

4:20 pm-7:40 am

1 stop10h 20m

$825

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Mon 9/14

8:40 pm-5:45 pm

1 stop26h 05m

Philadelphia

Mon 9/21

4:20 pm-7:40 am

1 stop10h 20m

$826

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Mon 9/14

8:40 pm-5:45 pm

1 stop26h 05m

Philadelphia

Mon 9/21

4:20 pm-7:40 am

1 stop10h 20m

$839

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sun 9/20

8:40 pm-5:45 pm

1 stop26h 05m

Philadelphia

Sun 9/27

10:03 pm-11:45 am

2 stops32h 42m

$843

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sun 9/20

4:00 pm-4:05 pm

3 stops29h 05m

Philadelphia

Sun 9/27

3:25 pm-12:40 am

3 stops28h 15m

$865

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sat 9/19

5:40 pm-9:31 am

1 stop20h 51m

Philadelphia

Sat 9/26

3:57 pm-11:15 pm

2 stops26h 18m

$871

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Mon 9/14

5:55 pm-9:31 am

1 stop20h 36m

Philadelphia

Mon 9/21

6:00 am-7:00 pm

2 stops32h 00m

$873

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Sun 9/13

5:55 am-9:32 pm

2 stops20h 37m

Philadelphia

Sun 9/20

4:20 pm-7:50 am

3 stops34h 30m

$875

Quickest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Wed 9/9

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

Wed 9/16

5:40 pm-3:40 pm

1 stop17h 00m

$879

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 9/10

6:00 am-6:54 pm

2 stops17h 54m

Philadelphia

Thu 9/17

7:40 pm-6:50 am

2 stops30h 10m

$882

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

Fastest flight time	24h 15m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 24h 15m

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 24h 15m 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

Dewey Beach

Essington

Dover

North Wildwood

New Castle

Chester

Avalon

Lewes

Vineland

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.