$419+ Cheap flights from Allentown (ABE) 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Allentown 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 Allentown to Portugal
Best flights from Allentown to PortugalDiscover carefully curated flight deals from Allentown to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from Allentown to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This United Airlines deal was found by Cheapflights users on 12/11. 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.
This Delta deal was found by Cheapflights users on 12/10. 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.
This United Airlines deal was found by Cheapflights users on 12/9. 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.
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Find flight deals from Allentown to Portugal
Keep the following information in mind while searching for Allentown to Portugal flight deals. Data was last updated December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $591 (United Airlines) |
One-way from | $419 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $765 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Allentown to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Mon 1/26
11:30 am-8:10 am
2 stops15h 40m
Lisbon Humberto Delgado
Mon 2/2
5:00 am-9:05 pm
2 stops45h 05m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Fri 1/30
11:30 am-8:10 am
2 stops15h 40m
Lisbon Humberto Delgado
Tue 2/3
5:00 am-9:05 pm
2 stops21h 05m
AllentownPorto
ABE - OPO
ABEOPO
Allentown-Bethlehem
Fri 1/30
11:30 am-11:40 am
2 stops19h 10m
Porto
Tue 2/3
6:00 am-9:05 pm
2 stops20h 05m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Thu 5/28
1:00 pm-5:50 pm
2 stops23h 50m
Lisbon Humberto Delgado
Mon 6/8
5:00 am-10:56 pm
2 stops22h 56m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Wed 1/7
4:05 pm-3:20 pm
3 stops42h 15m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Wed 1/7
11:30 am-8:10 am
2 stops15h 40m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Thu 1/1
6:17 am-10:15 am
2 stops22h 58m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Fri 1/2
6:17 am-10:15 am
2 stops22h 58m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Thu 1/1
11:00 am-8:40 am
3 stops40h 40m
AllentownLisbon
ABE - LIS
ABELIS
Allentown-Bethlehem
Fri 1/2
6:30 am-5:35 am
3 stops42h 05m
Best time to book a flight from Allentown to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Allentown with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Allentown to Portugal
What is the cheapest month to book a flight from Allentown to Portugal?
Currently, January is the cheapest month in which you can book a flight from Allentown to Portugal (average of $407). Flying from Allentown to Portugal in July is currently the most expensive (average of $485). 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 ABE to PT?
Find hourly flight availability from Allentown 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 December 12, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 77% on flights from Allentown to Portugal by exploring options for tickets in the evening.