How long does it take to fly to Allentown?

Flight times vary depending on what airport in Serbia you fly out of and what airport in Allentown you fly into. For example, flying from Belgrade to Newark Airport takes 12h 45m on average. On the other hand, flying from Niš to Newark Airport takes 35h 10m 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 Serbia to Allentown-Bethlehem Airport?

Prices for flights from Serbia to Allentown-Bethlehem Airport refresh daily.

How old do you have to be to fly from Serbia 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 Serbia to Allentown-Bethlehem Airport.

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

The travel and health documents required for your trip to Allentown-Bethlehem Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,317 Cheap Flights from Serbia to Allentown in 2025/26

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How to get the cheapest flight ticket from Serbia to Allentown

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What airlines fly to Allentown?

Lufthansa, SWISS and United Airlines are the top three most popular airlines that fly to Allentown from Serbia according to our data. Lufthansa is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 5 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

Cheap Serbia to Allentown flight deals and tips

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

Fastest flight time	20h 28m
Direct flights	None

The fastest flight from Serbia to Allentown takes 20h 28m

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

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When did momondo last update prices for flights from Serbia to Allentown-Bethlehem Airport?
Prices for flights from Serbia to Allentown-Bethlehem Airport refresh daily.
How old do you have to be to fly from Serbia 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 Serbia to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents required for your trip to Allentown-Bethlehem Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Serbia to Allentown for you.

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

All flight searches from Serbia to Allentown on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Serbia 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 Serbia.

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

Yes. momondo can track prices for Serbia 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.