Cheap flights from Philadelphia to Portugal from $290
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 Portugal departing on 11/10. 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
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Sun 12/6
5:40 pm-3:00 pm
1 stop16h 20m
Lisbon Humberto Delgado
Tue 12/15
5:00 am-4:05 pm
1 stop16h 05m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Sun 12/6
5:40 pm-12:05 pm
1 stop13h 25m
Lisbon Humberto Delgado
Sun 12/13
6:20 am-4:10 pm
2 stops38h 50m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Tue 12/1
7:40 pm-5:45 pm
1 stop17h 05m
Lisbon Humberto Delgado
Wed 12/9
6:30 am-3:35 pm
1 stop14h 05m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Mon 12/7
7:35 pm-2:55 pm
1 stop14h 20m
Lisbon Humberto Delgado
Tue 12/22
6:30 am-3:30 pm
1 stop14h 00m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Tue 12/1
9:15 pm-9:05 am
Nonstop6h 50m
Lisbon Humberto Delgado
Wed 12/9
6:30 am-3:35 pm
1 stop14h 05m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Mon 12/7
9:15 pm-9:05 am
Nonstop6h 50m
Lisbon Humberto Delgado
Tue 12/22
11:05 am-2:00 pm
Nonstop7h 55m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Mon 12/7
9:15 pm-9:05 am
Nonstop6h 50m
Lisbon Humberto Delgado
Tue 12/22
11:05 am-2:00 pm
Nonstop7h 55m
PhiladelphiaLisbon
PHL Philadelphia - LIS Lisbon Humberto Delgado
PHLLIS
Philadelphia
Wed 12/9
6:35 pm-12:05 pm
1 stop12h 30m
Lisbon Humberto Delgado
Tue 12/15
11:05 am-2:00 pm
Nonstop7h 55m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Sun 3/14
6:10 am-9:30 am
2 stops23h 20m
Porto
Thu 3/18
6:00 am-5:05 pm
1 stop15h 05m
PhiladelphiaPorto
PHL Philadelphia - OPO Porto
PHLOPO
Philadelphia
Mon 3/8
11:39 am-9:30 am
2 stops16h 51m
Porto
Thu 3/18
6:00 am-5:05 pm
1 stop15h 05m
See travel insights to Portugal from
How to get the cheapest flight ticket from Philadelphia to Portugal
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 cheapest month to fly to Portugal?
The cheapest month to fly to Portugal from Philadelphia is in March. Flight prices, which tend to average around $755, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Philadelphia during January instead. Flights to Portugal in January, while not as cheap as those in March, still average around $773.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Tuesday is the cheapest day to fly to Portugal from Philadelphia. The lowest ticket price found for a Tuesday departure recently was $1,069. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,246.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Philadelphia to Portugal during this time can be as low as $1,152. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,415 per ticket.
What is the cheapest Philadelphia to Portugal flight route?
Fly from Philadelphia to Lisbon Humberto Delgado for the best Philadelphia - Portugal flight prices
How far in advance should I book a flight from Philadelphia to Portugal?
You are more likely to see cheaper flights to Portugal from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,112 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Philadelphia for as low as $1,015 on momondo.
What cabin class options are available on Philadelphia to Portugal flights?
There are 3 cabin classes available to choose from on Philadelphia to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Philadelphia to Portugal?
British Airways, United Airlines, and Delta are the most popular carriers operating from Philadelphia to Portugal
What airlines fly to Portugal?
TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Portugal from Philadelphia according to our data. TAP AIR PORTUGAL is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 20 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
How many flights depart from Philadelphia to Portugal on average per day?
As of October 2026, there are 4 flights per day flying from Philadelphia to Portugal. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.
How many flights depart from Philadelphia to Portugal on average per week?
28 flights are operational weekly from Philadelphia to Portugal as of October 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
Cheap Philadelphia to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Portugal
Frequently asked questions about flying from Philadelphia to Portugal
When did momondo last update prices for flights from Philadelphia Airport to Portugal?
Prices for flights from Philadelphia Airport to Portugal are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Portugal?
As of October 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Portugal.
How old do you have to be to fly from Philadelphia Airport to Portugal?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to Portugal?
Based on momondo bookings for flights between Philadelphia and Portugal, the leading plane model is Boeing 787-9 Dreamliner, making up 64.33% of the total bookings. Other popular models include Boeing 787 Dreamliner with 12.39%, Boeing 787-8 Dreamliner with 11.51%, and Airbus A321neo with 7.38%.
Best airlines flying from Philadelphia to Portugal
Compare and see reviews for airlines that fly from Philadelphia to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $489 | Free Cancellation | Rating 7.4 10,347 reviews | |||
| PriceFrom $496 | Free Cancellation | Rating 7.0 3,248 reviews | |||
| PriceFrom $622 | Free Cancellation | Rating 7.3 1,819 reviews | |||
| PriceFrom $676 | Free Cancellation | Rating 6.7 8,259 reviews | |||
| PriceFrom $758 | Free Cancellation | Rating 7.6 1,422 reviews | |||
| PriceFrom $758 | Free Cancellation | Rating 7.0 12,148 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Portugal?
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 Portugal from Philadelphia.
Can I find flights from Philadelphia to Portugal with flexible booking policies on momondo?
All flight searches from Philadelphia to Portugal on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Philadelphia to Portugal?
momondo helps you find the best flight between Philadelphia and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Philadelphia to Portugal right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Portugal from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.