$353+ Cheap flights from Philadelphia (PHL) to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIS
Jul 1 — Jul 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Philadelphia to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Philadelphia to Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to PortugalExplore the most affordable flight options available from Philadelphia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 1, 2026.
Explore the most affordable flight options available from Philadelphia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 1, 2026.
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:10 am
PHL
- OPO
2 stops23h 20m
United Airlines
Tue 11/36:00 am
OPO
- PHL
1 stop15h 05m
United Airlines
Deal found 5/27![United Airlines logo]()
$701
This Iberia deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:50 pm
PHL
- OPO
1 stop10h 55m
Iberia
Tue 11/34:40 pm
OPO
- PHL
1 stop28h 10m
Iberia
Deal found 5/27![Iberia logo]()
$716
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:04 pm
PHL
- OPO
2 stops15h 36m
American Airlines
Tue 11/38:20 am
OPO
- PHL
2 stops18h 06m
American Airlines
Deal found 5/27![American Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:10 am
PHL
- OPO
2 stops22h 20m
United Airlines
Thu 11/196:00 am
OPO
- PHL
1 stop15h 05m
United Airlines
Deal found 5/27![United Airlines logo]()
$740
This Air Canada deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:20 pm
PHL
- OPO
2 stops16h 30m
Air Canada
Thu 11/196:00 am
OPO
- PHL
2 stops21h 56m
Air Canada
Deal found 5/29![Air Canada logo]()
$750
This Cheapflightsfares deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:50 pm
PHL
- LIS
1 stop14h 00m
Multiple Airlines
Thu 12/248:20 am
LIS
- PHL
1 stop12h 30m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$752
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am
PHL
- OPO
2 stops22h 05m
Delta
Fri 11/65:00 am
OPO
- PHL
2 stops24h 21m
Delta
Deal found 5/28![Delta logo]()
$752
This Cheapflightsfares deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:25 pm
PHL
- LIS
Nonstop6h 40m
Finnair
Wed 11/46:30 am
LIS
- PHL
1 stop14h 20m
Finnair
Deal found 5/29![Finnair logo]()
$754
This Air Canada deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:25 pm
PHL
- OPO
1 stop10h 35m
Air Canada
Wed 8/1911:20 am
OPO
- PHL
2 stops32h 20m
Air Canada
Deal found 5/27![Air Canada logo]()
$754
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:10 am
PHL
- OPO
2 stops22h 20m
United Airlines
Fri 11/66:00 am
OPO
- PHL
2 stops32h 24m
United Airlines
Deal found 5/28![United Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:25 am
PHL
- OPO
2 stops21h 05m
Delta
Wed 11/411:15 am
OPO
- PHL
2 stops37h 09m
Delta
Deal found 5/28![Delta logo]()
$756
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:35 pm
PHL
- OPO
2 stops33h 55m
United Airlines
Thu 11/56:00 am
OPO
- PHL
1 stop15h 05m
United Airlines
Deal found 5/28![United Airlines logo]()
$757
Best flights from Philadelphia to PortugalDiscover carefully curated flight deals from Philadelphia to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 1, 2026.
Discover carefully curated flight deals from Philadelphia to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 1, 2026.
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:10 am
PHL
- OPO
2 stops19h 45m
United Airlines
Wed 8/1911:20 am
OPO
- PHL
2 stops32h 20m
United Airlines
Deal found 5/27![United Airlines logo]()
$760
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:35 pm
PHL
- OPO
2 stops16h 50m
Delta
Fri 8/75:55 am
OPO
- PHL
2 stops31h 41m
Delta
Deal found 5/28![Delta logo]()
$844
This KAYAK deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:40 pm
PHL
- FAO
2 stops33h 15m
Lufthansa
Mon 8/313:25 pm
FAO
- PHL
1 stop29h 40m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$996
This Mytrip deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:05 am
PHL
- PDL
2 stops19h 00m
Multiple Airlines
Tue 7/2810:30 am
PDL
- PHL
2 stops32h 19m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,019
This Cheapflightsfares deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:21 am
PHL
- PDL
2 stops23h 54m
TAP AIR PORTUGAL
Tue 8/116:30 am
PDL
- PHL
2 stops17h 30m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$1,056
This oojo deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:25 pm
PHL
- FAO
1 stop20h 45m
Aer Lingus
Thu 7/308:05 pm
FAO
- PHL
1 stop25h 05m
Aer Lingus
Deal found 5/29![Aer Lingus logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:05 am
PHL
- OPO
2 stops17h 10m
United Airlines
Tue 7/2112:15 pm
OPO
- PHL
2 stops29h 10m
United Airlines
Deal found 5/30![United Airlines logo]()
$825
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:43 am
PHL
- OPO
2 stops16h 47m
Delta
Sun 8/2311:45 am
OPO
- PHL
2 stops18h 34m
Delta
Deal found 5/31![Delta logo]()
$893
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:05 am
PHL
- OPO
1 stop15h 55m
United Airlines
Wed 7/2211:20 am
OPO
- PHL
1 stop15h 14m
United Airlines
Deal found 5/31![United Airlines logo]()
$833
This Finnair deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:05 pm
PHL
- LIS
Nonstop7h 00m
Finnair
Sun 6/1411:05 am
LIS
- PHL
Nonstop7h 40m
Finnair
Deal found 5/31![Finnair logo]()
$1,860
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
PHL
- OPO
2 stops20h 00m
United Airlines
Tue 7/2112:15 pm
OPO
- PHL
1 stop14h 19m
United Airlines
Deal found 5/29![United Airlines logo]()
$837
This Mytrip deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:25 pm
PHL
- FAO
3 stops22h 25m
Multiple Airlines
Mon 8/317:00 am
FAO
- PHL
2 stops16h 55m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,077
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:30 am
PHL
- FAO
2 stops27h 10m
Delta
Sun 8/96:40 pm
FAO
- PHL
2 stops34h 16m
Delta
Deal found 5/30![Delta logo]()
$992
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:10 am
PHL
- OPO
2 stops19h 05m
United Airlines
Thu 7/2311:50 am
OPO
- PHL
1 stop14h 44m
United Airlines
Deal found 5/26![United Airlines logo]()
$838
This Cheapflightsfares deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:21 am
PHL
- FAO
2 stops29h 04m
Aer Lingus
Sun 8/911:45 am
FAO
- PHL
1 stop12h 10m
Aer Lingus
Deal found 5/30![Aer Lingus logo]()
$1,136
This FlightHub deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:28 am
PHL
- PDL
2 stops30h 07m
TAP AIR PORTUGAL
Fri 8/216:30 am
PDL
- PHL
2 stops29h 08m
TAP AIR PORTUGAL
Deal found 5/29![TAP AIR PORTUGAL logo]()
$1,162
This Mytrip deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:05 am
PHL
- FNC
3 stops33h 40m
Multiple Airlines
Fri 7/3110:00 pm
FNC
- PHL
3 stops25h 17m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:25 pm
PHL
- OPO
1 stop10h 35m
United Airlines
Mon 7/206:00 am
OPO
- PHL
2 stops40h 52m
United Airlines
Deal found 5/31![United Airlines logo]()
$854
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
PHL
- LIS
2 stops21h 50m
Delta
Thu 8/275:00 am
LIS
- PHL
2 stops16h 33m
Delta
Deal found 5/30![Delta logo]()
$1,109
This Mytrip deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:25 am
PHL
- PDL
2 stops19h 20m
Multiple Airlines
Mon 6/229:35 am
PDL
- PHL
1 stop10h 04m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$1,172
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:10 am
PHL
- OPO
2 stops19h 40m
United Airlines
Tue 6/3012:15 pm
OPO
- PHL
2 stops29h 10m
United Airlines
Deal found 5/30![United Airlines logo]()
$889
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:40 am
PHL
- LIS
2 stops20h 05m
Delta
Fri 8/2810:00 am
LIS
- PHL
2 stops18h 26m
Delta
Deal found 5/30![Delta logo]()
$1,121
This FlightHub deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:20 am
PHL
- TER
2 stops33h 55m
TAP AIR PORTUGAL
Fri 8/77:10 am
TER
- PHL
2 stops28h 28m
TAP AIR PORTUGAL
Deal found 5/27![TAP AIR PORTUGAL logo]()
$1,376
This FlightHub deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:40 pm
PHL
- FAO
2 stops43h 35m
Multiple Airlines
Wed 7/83:25 pm
FAO
- PHL
1 stop29h 40m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,174
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:30 am
PHL
- LIS
2 stops18h 20m
Delta
Tue 9/112:45 pm
LIS
- PHL
1 stop14h 31m
Delta
Deal found 5/31![Delta logo]()
$1,180
This Mytrip deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:05 am
PHL
- PDL
2 stops19h 30m
Multiple Airlines
Tue 8/1110:30 am
PDL
- PHL
3 stops32h 19m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/128:05 am
PHL
- FAO
2 stops20h 50m
United Airlines
Sun 7/193:25 pm
FAO
- PHL
2 stops38h 32m
United Airlines
Deal found 5/28![United Airlines logo]()
$994
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:30 am
PHL
- LIS
2 stops18h 20m
Delta
Wed 8/2612:45 pm
LIS
- PHL
1 stop11h 30m
Delta
Deal found 5/31![Delta logo]()
$1,180
This Finnair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:05 pm
PHL
- LIS
Nonstop7h 00m
Finnair
Sat 7/1111:05 am
LIS
- PHL
Nonstop7h 40m
Finnair
Deal found 5/27![Finnair logo]()
$1,987
This Mytrip deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:25 pm
PHL
- FNC
2 stops32h 05m
Multiple Airlines
Sun 8/164:55 pm
FNC
- PHL
2 stops31h 00m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,249
Last-minute flights from Philadelphia to PortugalDiscover last-minute flight deals from Philadelphia to Portugal. Data last updated June 1, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Portugal. Data last updated June 1, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:20 pm
PHL
- LIS
2 stops24h 25m
Multiple Airlines
Sat 6/66:10 am
LIS
- PHL
2 stops20h 23m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$845
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:45 pm
PHL
- OPO
2 stops33h 00m
United Airlines
Thu 6/1111:50 am
OPO
- PHL
1 stop31h 58m
United Airlines
Deal found 5/31![United Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:31 pm
PHL
- OPO
2 stops15h 14m
United Airlines
Thu 6/116:00 am
OPO
- PHL
1 stop15h 05m
United Airlines
Deal found 5/31![United Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:41 pm
PHL
- OPO
2 stops32h 04m
United Airlines
Tue 6/911:15 am
OPO
- PHL
1 stop32h 33m
United Airlines
Deal found 5/31![United Airlines logo]()
$896
This oojo deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:40 pm
PHL
- OPO
1 stop12h 30m
Lufthansa
Tue 6/166:00 am
OPO
- PHL
1 stop15h 05m
Lufthansa
Deal found 5/27![Lufthansa logo]()
$901
This FlightHub deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:25 pm
PHL
- OPO
1 stop10h 35m
Multiple Airlines
Wed 6/106:00 am
OPO
- PHL
1 stop15h 05m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$888
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:36 am
PHL
- OPO
2 stops14h 19m
United Airlines
Thu 6/116:00 am
OPO
- PHL
1 stop15h 05m
United Airlines
Deal found 5/31![United Airlines logo]()
$890
This Air Canada deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:25 pm
PHL
- OPO
1 stop10h 35m
Air Canada
Fri 6/126:00 am
OPO
- PHL
2 stops37h 48m
Air Canada
Deal found 5/31![Air Canada logo]()
$892
This Mytrip deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:25 pm
PHL
- LIS
2 stops25h 20m
Multiple Airlines
Thu 6/116:10 am
LIS
- PHL
2 stops20h 23m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$890
This Mytrip deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:20 pm
PHL
- LIS
2 stops23h 35m
Multiple Airlines
Sat 6/136:10 am
LIS
- PHL
2 stops20h 23m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$800
This Mytrip deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:20 pm
PHL
- LIS
2 stops23h 35m
Multiple Airlines
Thu 6/116:10 am
LIS
- PHL
2 stops20h 23m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$843
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2110:05 am
PHL
- OPO
1 stop15h 45m
United Airlines
Tue 6/3012:15 pm
OPO
- PHL
2 stops34h 37m
United Airlines
Deal found 5/28![United Airlines logo]()
$884
One-way flights from Philadelphia to PortugalSearch for one-way flight options from Philadelphia to Portugal. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
Search for one-way flight options from Philadelphia to Portugal. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:16 pm
PHL
- LIS
3 stops40h 39m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:46 pm
PHL
- LIS
3 stops50h 29m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:48 pm
PHL
- OPO
3 stops24h 37m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$387
This Mytrip deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:20 pm
PHL
- LIS
2 stops24h 25m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:00 am
PHL
- FAO
3 stops45h 45m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:21 am
PHL
- FAO
2 stops30h 34m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:16 pm
PHL
- FAO
2 stops56h 24m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$402
This Mytrip deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:20 pm
PHL
- LIS
2 stops23h 35m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:25 pm
PHL
- LIS
3 stops40h 05m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:25 pm
PHL
- LIS
3 stops39h 00m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:25 pm
PHL
- OPO
2 stops43h 35m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:25 pm
PHL
- OPO
2 stops22h 25m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$414
Find flight deals from Philadelphia to Portugal
Keep the following information in mind while searching for Philadelphia to Portugal flight deals. Data was last updated June 1, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $701 (United Airlines) |
One-way from | $353 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,506 |
Good round-trip deal | $1,109 or less |
Good one-way deal | $856 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 1, 2026.
Use the filters below to find and compare flights from Philadelphia to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Sun 8/9
6:10 am-6:55 am
2 stops19h 45m
Porto
Wed 8/19
11:20 am-2:40 pm
2 stops32h 20m
$760
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Tue 7/14
8:05 am-6:15 am
2 stops17h 10m
Porto
Tue 7/21
12:15 pm-12:25 pm
2 stops29h 10m
$825
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Wed 7/15
10:05 am-7:00 am
1 stop15h 55m
Porto
Wed 7/22
11:20 am-9:34 pm
1 stop15h 14m
$833
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Wed 7/15
6:00 am-7:00 am
2 stops20h 00m
Porto
Tue 7/21
12:15 pm-9:34 pm
1 stop14h 19m
$837
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Tue 7/7
6:10 am-6:15 am
2 stops19h 05m
Porto
Thu 7/23
11:50 am-9:34 pm
1 stop14h 44m
$838
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Wed 7/22
5:35 pm-3:25 pm
2 stops16h 50m
Porto
Fri 8/7
5:55 am-8:36 am
2 stops31h 41m
$844
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Mon 7/13
3:25 pm-7:00 am
1 stop10h 35m
Porto
Mon 7/20
6:00 am-5:52 pm
2 stops40h 52m
$854
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Sun 6/21
6:10 am-6:50 am
2 stops19h 40m
Porto
Tue 6/30
12:15 pm-12:25 pm
2 stops29h 10m
$889
PhiladelphiaPorto
PHL - OPO
PHLOPO
Philadelphia
Thu 8/13
10:43 am-8:30 am
2 stops16h 47m
Porto
Sun 8/23
11:45 am-1:19 am
2 stops18h 34m
$893
PhiladelphiaFaro
PHL - FAO
PHLFAO
Philadelphia
Tue 8/4
9:30 am-5:40 pm
2 stops27h 10m
Faro
Sun 8/9
6:40 pm-11:56 pm
2 stops34h 16m
$992
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Philadelphia with our price prediction graph.
PHL-TER
PHL-OPO
PHL-FAO
PHL-PDL
PHL-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Portugal
PHL-PT0
PHL-TER
PHL-OPO
PHL-FAO
PHL-PDL
What is the cheapest month to book a flight from Philadelphia to Portugal?
Currently, March is the cheapest month in which you can book a flight from Philadelphia to Portugal (average of $106). Flying from Philadelphia to Portugal in September is currently the most expensive (average of $670). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHL to PT?
Find hourly flight availability from Philadelphia to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 1, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Portugal as you normally would.
Weekly flight availability from Philadelphia to Portugal
Explore weekly flight availability from Philadelphia to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 1, 2026.
The most flights from PHL to PT0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How far ahead should I book a flight from Philadelphia to Portugal?
The best time to book flights from Philadelphia to Portugal is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated June 1, 2026.
Read reviews from past customers who have flown Finnair,Aer Lingus, andAmerican Airlines from Philadelphia to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Overall
7.7
Entertainment
6.9
Crew
8.2
Boarding
7.7
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Food
6.7
Overall
7.7
Entertainment
6.9
Crew
8.2
Boarding
7.7
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Food
6.7
Overall
7.7
Entertainment
6.9
Crew
8.2
Boarding
7.7
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Food
6.7
Overall
7.7
Entertainment
6.9
Crew
8.2
Boarding
7.7
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Food
6.7
Overall
7.7
Entertainment
6.9
Crew
8.2
Boarding
7.7
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Food
6.7
Overall
7.7
Entertainment
6.9
Crew
8.2
Boarding
7.7
Comfort
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
LAX - HEL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Philadelphia to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Portugal by cabin class
Find flights from Philadelphia to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Portugal flights
Browse other Philadelphia and Portugal flight options. Last updated on June 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Philadelphia to Portugal flights
Consider these flights traveling from Philadelphia to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 8 airlines flying from Philadelphia to Portugal
Discover the top 8 airlines that operate flights from Philadelphia to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$773 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$540 | Average$857 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$549 | Average$894 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$567 | Average$1,028 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$584 | Average$920 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$622 | Average$998 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$631 | Average$813 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$665 | Average$1,006 | FlexibilityNo cancel fee | On-time76% |