Cheap flights from Philadelphia to Porto from $353
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Porto departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Mon 11/2
8:30 am-10:15 am
3 stops20h 45m
Porto
Mon 11/9
7:00 am-7:21 am
3 stops29h 21m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Mon 11/2
8:30 am-11:00 am
3 stops21h 30m
Porto
Mon 11/9
6:00 pm-11:54 pm
2 stops34h 54m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Wed 2/3
5:05 pm-11:55 pm
2 stops25h 50m
Porto
Wed 2/10
12:05 pm-10:56 pm
2 stops39h 51m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Wed 2/3
7:50 pm-11:45 am
1 stop10h 55m
Porto
Wed 2/10
8:40 pm-3:50 pm
1 stop24h 10m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Wed 2/3
4:40 pm-11:45 am
2 stops14h 05m
Porto
Wed 2/10
8:40 pm-3:50 pm
1 stop24h 10m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Wed 3/24
10:05 am-9:30 am
2 stops19h 25m
Porto
Thu 4/1
6:00 am-4:00 pm
1 stop15h 00m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Wed 3/24
11:39 am-9:30 am
2 stops17h 51m
Porto
Fri 4/2
6:00 am-4:00 pm
1 stop15h 00m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Sun 2/21
7:50 pm-8:00 pm
1 stop19h 10m
Porto
Fri 2/26
8:20 am-3:50 pm
1 stop12h 30m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Mon 11/9
1:10 pm-11:45 am
2 stops17h 35m
Porto
Wed 11/18
8:40 pm-3:45 pm
1 stop24h 05m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Thu 10/29
2:45 pm-11:45 am
2 stops17h 00m
Porto
Sat 11/7
8:40 pm-3:35 pm
1 stop23h 55m
See travel insights to Porto from
How to get the cheapest flight ticket from Philadelphia to Porto
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
What is the typical price of a round-trip flight between Philadelphia and Porto?
Prices are currently low for flights on this route.
Typical prices usually range from $900 to $987.The lowest price recently found on this route was $642.
What is the cheapest month to fly to Porto?
The month of January is, on average, the cheapest month to fly to Porto from Philadelphia, with most prices found around $496. If you aren’t able to travel during the month of January, then book flights to Porto from Philadelphia during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $563.
What is the cheapest Philadelphia to Porto flight route?
Fly from Philadelphia to Porto for the best Philadelphia - Porto flight prices
What cabin class options are available on Philadelphia to Porto flights?
There is only 1 cabin class available to choose from on Philadelphia to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Philadelphia to Porto flights?
You could potentially save up to 22% on your flight if you consider stops on a Philadelphia to Porto flight.
What is the cheapest airline that flies from Philadelphia to Porto?
United Airlines and Lufthansa are the most popular carriers operating from Philadelphia to Porto
What airlines fly to Porto?
TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Porto from Philadelphia according to our data. TAP AIR PORTUGAL is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 12 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
When to book flights from Philadelphia to Porto
Cheap Philadelphia to Porto (PHL to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Porto
Frequently asked questions about flying from Philadelphia to Porto
How far is Philadelphia to Porto by plane?
A flight from Philadelphia to Porto will travel around 3401.6 mi. 11h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Porto Airport?
Prices for flights from Philadelphia Airport to Porto Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Porto Airport?
As of October 2026, there are 3 operators available to choose from for flights from Philadelphia Airport to Porto Airport.
How old do you have to be to fly from Philadelphia Airport to Porto 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 Philadelphia Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Porto?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Porto is Airbus A321neo, representing 100.00% of all bookings.
What is the most popular airline from Philadelphia to Porto?
Based on momondo bookings for flights between Philadelphia and Porto, the leading airline is American Airlines, making up 44% of the total bookings. Other popular airlines include United Airlines with 30% and Iberia with 26%.
Best airlines flying from Philadelphia to Porto
Compare and see reviews for airlines that fly from Philadelphia to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $489 | Free Cancellation | Rating 7.4 10,289 reviews | |||
| PriceFrom $496 | Free Cancellation | Rating 7.0 3,258 reviews | |||
| PriceFrom $758 | Free Cancellation | Rating 7.0 12,134 reviews |
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Porto?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Porto. momondo saves you time and could save you money on your trip.
Can I find flights from Philadelphia to Porto with flexible booking policies on momondo?
All flight searches from Philadelphia to Porto on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Philadelphia to Porto?
Once you have performed a search for Philadelphia to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Philadelphia to Porto right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Philadelphia to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.