How long does it take to fly to Allentown?

Flight times vary depending on what airport in Portugal you fly out of and what airport in Allentown you fly into. For example, flying from Ponta Delgada to Newark Airport takes 6h 10m on average. On the other hand, flying from Lisbon to Newark Airport takes 7h 30m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Portugal to Allentown-Bethlehem Airport?

Prices for flights from Portugal to Allentown-Bethlehem Airport are refreshed on a daily basis.

How old do you have to be to fly from Portugal to Allentown-Bethlehem Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$822 Cheap Flights from Portugal to Allentown in 2026

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Find the cheapest flights from Portugal to Allentown

Round-trip

One-way

Recent round-trip flight deals from Portugal to Allentown

Enter your travel dates to find the best prices.

6:00 am - 1:38 pm

OPO

ABE

36h 38m

2 stops

6:15 am - 11:10 am

ABE

OPO

23h 55m

2 stops

$983United Airlines

Fri, May 1 - Tue, May 5

12:05 pm - 9:48 am

OPO

ABE

26h 43m

2 stops

2:25 pm - 3:45 pm

ABE

OPO

20h 20m

2 stops

$984United Airlines

Fri, May 1 - Tue, May 5

12:05 pm - 9:00 pm

OPO

ABE

37h 55m

2 stops

6:15 am - 11:10 am

ABE

OPO

23h 55m

2 stops

$1,003United Airlines

Fri, May 1 - Tue, May 5

6:00 am - 9:48 am

OPO

ABE

32h 48m

2 stops

10:35 am - 11:10 am

ABE

OPO

19h 35m

2 stops

$1,013United Airlines

Fri, May 1 - Tue, May 5

United Airlines flights from Portugal to Allentown

Our best United Airlines deals on Portugal to Allentown flight tickets

United Airlines

May 1

OPO6:00 amPorto

36h 38m

2 stops

ABE1:38 pmAllentown-Bethlehem

May 5

ABE6:15 amAllentown-Bethlehem

23h 55m

2 stops

OPO11:10 amPorto

$983

United Airlines

May 1

OPO12:05 pmPorto

26h 43m

2 stops

ABE9:48 amAllentown-Bethlehem

May 5

ABE2:25 pmAllentown-Bethlehem

20h 20m

2 stops

OPO3:45 pmPorto

$984

United Airlines

May 1

OPO12:05 pmPorto

37h 55m

2 stops

ABE9:00 pmAllentown-Bethlehem

May 5

ABE6:15 amAllentown-Bethlehem

23h 55m

2 stops

OPO11:10 amPorto

$1,003

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoAllentown

OPO - ABE

OPOABE

Porto

Fri 5/1

6:00 am-1:38 pm

2 stops36h 38m

Allentown-Bethlehem

Tue 5/5

6:15 am-11:10 am

2 stops23h 55m

$983

Quickest round-trip

PortoAllentown

OPO - ABE

OPOABE

Porto

Fri 5/1

12:05 pm-9:48 am

2 stops26h 43m

Allentown-Bethlehem

Tue 5/5

2:25 pm-3:45 pm

2 stops20h 20m

$984

PortoAllentown

OPO - ABE

OPOABE

Porto

Fri 5/1

12:05 pm-9:00 pm

2 stops37h 55m

Allentown-Bethlehem

Tue 5/5

6:15 am-11:10 am

2 stops23h 55m

$1,003

PortoAllentown

OPO - ABE

OPOABE

Porto

Fri 5/1

6:00 am-9:48 am

2 stops32h 48m

Allentown-Bethlehem

Tue 5/5

10:35 am-11:10 am

2 stops19h 35m

$1,013

Cheapest one-way

Quickest one-way

PortoAllentown

OPO - ABE

OPOABE

Porto

Fri 5/8

8:20 am-12:22 am

2 stops21h 02m

$822

PortoAllentown

OPO - ABE

OPOABE

Porto

Fri 5/8

8:20 am-12:22 am

3 stops21h 02m

$2,873

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portugal to Allentown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Airlines

Other information

What is the cheapest airline that flies from Portugal to Allentown-Bethlehem?

American Airlines is the most popular carrier operating from Portugal to Allentown-Bethlehem

What airlines fly to Allentown?

United Airlines, TAP AIR PORTUGAL and Iberia are the top three most popular airlines that fly to Allentown from Portugal according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 7 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

Cheap Portugal to Allentown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Allentown

Fastest flight time	26h 43m
Direct flights	None

The fastest flight from Portugal to Allentown takes 26h 43m

There are no direct flights from Portugal to Allentown. There are no popular flight routes from Portugal to Allentown.

Search flight deals

When did momondo last update prices for flights from Portugal to Allentown-Bethlehem Airport?
Prices for flights from Portugal to Allentown-Bethlehem Airport are refreshed on a daily basis.
How old do you have to be to fly from Portugal to Allentown-Bethlehem Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Allentown?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Portugal.

Can I find flights from Portugal to Allentown with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portugal to Allentown flights to just show those with flexible booking policies.

How can momondo help me find flights from Portugal to Allentown?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from Portugal.

I’m not ready to book a flight from Portugal to Allentown right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portugal to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.