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$610+ Cheap flights from Allentown (ABE) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Allentown to Portugal

Keep the following information in mind while searching for Allentown to Portugal flight deals. Data was last updated September 11, 2025.

Round-trip from

$610
(United Airlines)
From Allentown-Bethlehem to Portugal
Search Deals

Find flight deals from Allentown to Portugal

Cheapest flights from Allentown to Portugal
Explore the most affordable flight options available from Allentown to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:00 pmABE - LIS
2 stops39h 55mUnited Airlines
Sun 11/25:00 amLIS - ABE
2 stops40h 47mUnited Airlines
Deal found 9/10$956
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:30 pmABE - LIS
2 stops38h 45mUnited Airlines
Tue 12/3011:20 amLIS - ABE
2 stops55h 35mUnited Airlines
Deal found 9/10$1,002
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:07 pmABE - LIS
2 stops34h 48mUnited Airlines
Tue 12/3012:20 pmLIS - ABE
2 stops54h 35mUnited Airlines
Deal found 9/10$1,110
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/236:37 amABE - LIS
2 stops27h 48mUnited Airlines
Sun 10/512:55 pmLIS - ABE
2 stops50h 43mUnited Airlines
Deal found 9/11$1,364

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown 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 September 11, 2025.
Use the filters below to find and compare flights from Allentown to Portugal that are best for you.

Fly from

Allentown

Fly to

Portugal

Route

Depart

Return

Price

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Thu 2/19

6:44 am-10:15 am

2 stops22h 31m

Lisbon Humberto Delgado

Tue 2/24

11:55 am-1:55 pm

2 stops31h 00m

$610

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Fri 1/9

6:15 am-11:30 am

2 stops24h 15m

Lisbon Humberto Delgado

Sun 1/25

5:00 am-9:15 pm

2 stops21h 15m

$676

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Fri 2/13

5:32 pm-3:05 pm

2 stops40h 33m

Porto

Fri 2/20

12:30 pm-9:47 pm

2 stops38h 17m

$713

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Fri 2/13

6:44 am-12:05 pm

2 stops24h 21m

Porto

Fri 2/20

6:00 am-9:47 pm

3 stops20h 47m

$893

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Fri 10/24

1:00 pm-9:55 am

2 stops39h 55m

Lisbon Humberto Delgado

Sun 11/2

5:00 am-5:47 pm

2 stops40h 47m

$956

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Tue 12/23

2:30 pm-10:15 am

2 stops38h 45m

Lisbon Humberto Delgado

Tue 12/30

11:20 am-1:55 pm

2 stops55h 35m

$1,002

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Mon 12/22

5:07 pm-8:55 am

2 stops34h 48m

Lisbon Humberto Delgado

Tue 12/30

12:20 pm-1:55 pm

2 stops54h 35m

$1,110

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Tue 9/23

6:37 am-3:25 pm

2 stops27h 48m

Lisbon Humberto Delgado

Sun 10/5

12:55 pm-10:38 am

2 stops50h 43m

$1,364

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Fri 9/19

5:28 pm-3:25 pm

2 stops40h 57m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.
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 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 $612). Flying from Allentown to Portugal in June is currently the most expensive (average of $1,127). 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 September 11, 2025.

When flying from Allentown to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Allentown to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Allentown to Portugal?

    Most people fly from Allentown-Bethlehem (ABE) if they book a flight from Allentown to Portugal. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.

  • How long is the flight from Allentown to Portugal?

    Airlines like United Airlines fly from Allentown to Portugal in about 22h 31m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3437 mi.

  • What are the most popular routes from Allentown to Portugal?

    When deciding which route to take from Allentown to Portugal consider Allentown-Bethlehem - Lisbon Humberto Delgado, Allentown-Bethlehem - Porto or Allentown-Bethlehem - Ponta Delgada Nordela as they are the most popular.

  • Can I find deals for flights from Allentown to Portugal that include hotel bookings?

    Yes. In addition to deals on Allentown to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Portugal.

  • Can I find deals for business class flights from Allentown to Portugal?

    Yes. Cheapflights offers flight deals from Allentown to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $612). Flying from Allentown to Portugal in June is currently the most expensive (average of $1,127). 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.

See more FAQs

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