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$1,148+ Cheap flights from Portugal to Allentown (ABE)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ABE
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Find flight deals from Portugal to Allentown

One-way flights from Portugal to Allentown
Search for one-way flight options from Portugal to Allentown. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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 8/129:00 amOPO - ABE
2 stops17h 55mUnited Airlines
Deal found 7/30$1,148

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Allentown 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 July 30, 2025.
Use the filters below to find and compare flights from Portugal to Allentown that are best for you.

Fly from

Portugal

Fly to

Allentown

Route

Depart

Return

Price

PortoAllentown

OPO - ABE

OPOABE

Porto

Tue 8/12

9:00 am-9:55 pm

2 stops17h 55m

$1,148

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Portugal to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Portugal 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 Portugal to Allentown

What is the cheapest month to book a flight from Portugal to Allentown?

Currently, February is the cheapest month in which you can book a flight from Portugal to Allentown (average of $289). Flying from Portugal to Allentown in December is currently the most expensive (average of $395). 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.

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with United Airlines from Portugal to Allentown to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Allentown. 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 into for flights to Allentown from Portugal?

    Located just 3.9 mi from the city center, Allentown-Bethlehem (ABE) is the airport most travelers will use when flying to Allentown from Portugal.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Allentown 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 Portugal to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Portugal to Allentown (average of $289). Flying from Portugal to Allentown in December is currently the most expensive (average of $395). 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.

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