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$572+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ABE
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
1 adult, Economy
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Cheap flight deals from Portugal to Allentown

Cheapest flights from Portugal to Allentown
Explore the most affordable flight options available from Portugal to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.

This American Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 12/18:20 am
OPO
-
ABE
2 stops18h 55m
American Airlines
Sat 12/52:01 pm
ABE
-
OPO
2 stops40h 44m
American Airlines
Deal found 6/19$784
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/29:00 am
OPO
-
ABE
2 stops29h 58m
United Airlines
Mon 7/610:35 am
ABE
-
OPO
2 stops24h 05m
United Airlines
Deal found 6/16$1,385
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/212:35 pm
OPO
-
ABE
2 stops26h 23m
United Airlines
Sun 8/95:41 pm
ABE
-
OPO
2 stops32h 19m
United Airlines
Deal found 6/18$1,555

Find flight deals from Portugal to Allentown

Keep the following information in mind while searching for Portugal to Allentown flight deals. Data was last updated June 20, 2026.

Round-trip from

$784
(American Airlines)

One-way from

$572
(Iberia)
From Portugal to Allentown-Bethlehem
Search Deals
One-way flight from Portugal to Allentown-Bethlehem
Search Deals

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 June 20, 2026.
Use the filters below to find and compare flights from Portugal to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoAllentown

OPO - ABE

OPOABE

Porto

Tue 12/1

8:20 am-10:15 pm

2 stops18h 55m

Allentown-Bethlehem

Sat 12/5

2:01 pm-11:45 am

2 stops40h 44m

$784
Quickest round-trip

PortoAllentown

OPO - ABE

OPOABE

Porto

Thu 7/2

9:00 am-9:58 am

2 stops29h 58m

Allentown-Bethlehem

Mon 7/6

10:35 am-3:40 pm

2 stops24h 05m

$1,385

PortoAllentown

OPO - ABE

OPOABE

Porto

Sun 8/2

12:35 pm-9:58 am

2 stops26h 23m

Allentown-Bethlehem

Sun 8/9

5:41 pm-7:00 am

2 stops32h 19m

$1,555
Cheapest one-way

PortoAllentown

OPO - ABE

OPOABE

Porto

Sat 9/19

8:20 am-10:18 pm

2 stops18h 58m

$572

PortoAllentown

OPO - ABE

OPOABE

Porto

Sat 9/19

8:20 am-10:18 pm

2 stops18h 58m

$575
Quickest one-way

PortoAllentown

OPO - ABE

OPOABE

Porto

Thu 9/24

8:20 am-10:17 pm

2 stops18h 57m

$599

PortoAllentown

OPO - ABE

OPOABE

Porto

Sat 9/26

8:20 am-10:18 pm

2 stops18h 58m

$599

PortoAllentown

OPO - ABE

OPOABE

Porto

Tue 7/21

9:00 am-5:01 pm

2 stops37h 01m

$3,453

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Portugal to Allentown?

    A quick flight from Portugal to Allentown can take about 18h 55m. American Airlines provides one of the quickest options available for as low as $784. The distance from Portugal to Allentown is about 3391 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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