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Cheap flights from Allentown to Belgrade from $670

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Belgrade departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Allentown to Belgrade

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 am - 11:50 pm
ABE
-
BEG
35h 30m
2 stops
United Airlines Logo
6:15 am - 8:50 pm
BEG
-
ABE
19h 35m
2 stops
$670United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
10:31 am - 11:50 pm
ABE
-
BEG
31h 19m
2 stops
United Airlines Logo
6:15 am - 9:56 am
BEG
-
ABE
32h 41m
2 stops
$672United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
10:31 am - 11:50 pm
ABE
-
BEG
31h 19m
2 stops
United Airlines Logo
6:15 am - 9:56 am
BEG
-
ABE
32h 41m
2 stops
$972United Airlines
Thu, Mar 5 - Mon, Mar 9
Delta Logo
5:58 pm - 11:25 pm
ABE
-
BEG
24h 27m
2 stops
Delta Logo
12:35 pm - 12:16 pm
BEG
-
ABE
28h 41m
2 stops
$1,151Delta
Fri, Mar 20 - Fri, Mar 27
United Airlines Logo
6:51 pm - 11:50 pm
ABE
-
BEG
23h 59m
3 stops
United Airlines Logo
1:50 pm - 9:56 am
BEG
-
ABE
25h 06m
2 stops
$1,297United Airlines
Fri, Mar 20 - Fri, Mar 27
United Airlines Logo
6:51 pm - 11:50 pm
ABE
-
BEG
23h 59m
3 stops
United Airlines Logo
6:15 am - 8:50 pm
BEG
-
ABE
19h 35m
3 stops
$1,521United Airlines
Fri, Mar 20 - Fri, Mar 27

United Airlines flights from Allentown to Belgrade

Our best United Airlines deals on Allentown to Belgrade flight tickets
United Airlines
Mar 5
ABE6:20 amAllentown-Bethlehem
35h 30m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Mar 9
BEG6:15 amBelgrade Nikola Tesla
19h 35m
2 stops
ABE8:50 pmAllentown-Bethlehem
$670
United Airlines
Mar 5
ABE10:31 amAllentown-Bethlehem
31h 19m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Mar 9
BEG6:15 amBelgrade Nikola Tesla
32h 41m
2 stops
ABE9:56 amAllentown-Bethlehem
$672
United Airlines
Mar 5
ABE10:31 amAllentown-Bethlehem
31h 19m
2 stops
BEG11:50 pmBelgrade Nikola Tesla
Mar 9
BEG6:15 amBelgrade Nikola Tesla
32h 41m
2 stops
ABE9:56 amAllentown-Bethlehem
$972

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Belgrade 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Allentown to Belgrade that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Thu 3/5

6:20 am-11:50 pm

2 stops35h 30m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-8:50 pm

2 stops19h 35m

$670

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Thu 3/5

10:31 am-11:50 pm

2 stops31h 19m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-9:56 am

2 stops32h 41m

$672

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Thu 3/5

10:31 am-11:50 pm

2 stops31h 19m

Belgrade Nikola Tesla

Mon 3/9

6:15 am-9:56 am

2 stops32h 41m

$972

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Fri 3/20

5:58 pm-11:25 pm

2 stops24h 27m

Belgrade Nikola Tesla

Fri 3/27

12:35 pm-12:16 pm

2 stops28h 41m

$1,151

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Fri 3/20

6:51 pm-11:50 pm

3 stops23h 59m

Belgrade Nikola Tesla

Fri 3/27

1:50 pm-9:56 am

2 stops25h 06m

$1,297

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Fri 3/20

6:51 pm-11:50 pm

3 stops23h 59m

Belgrade Nikola Tesla

Fri 3/27

6:15 am-8:50 pm

3 stops19h 35m

$1,521

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belgrade from

How to get the cheapest flight ticket from Allentown to Belgrade

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

What airlines fly to Belgrade?

Lufthansa, SWISS and Austrian Airlines are the top three most popular airlines that fly to Belgrade from Allentown according to our data. Lufthansa is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Belgrade. Keep in mind that there are 5 different airlines that fly to Belgrade on a routine basis, so you have a few additional options to choose from.

When to book flights from Allentown to Belgrade

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Belgrade according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Belgrade (ABE to BEG) flight deals and tips

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

Fastest flight time

27h 35m

Direct flights

None
The fastest flight from Allentown to Belgrade takes 27h 35m
There are no direct flights from Allentown to Belgrade. There are no popular flight routes from Allentown to Belgrade.
Search flight deals

  • How far is Allentown-Bethlehem to Belgrade Nikola Tesla by plane?

    Allentown-Bethlehem and Belgrade Nikola Tesla are 4572.8 mi apart from one another. In terms of flight time, this usually takes a little over 27h 35m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Belgrade Nikola Tesla Airport?

    Prices for flights from Allentown-Bethlehem Airport to Belgrade Nikola Tesla Airport are updated daily.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Belgrade Nikola Tesla Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Belgrade Nikola Tesla Airport.

  • What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?

    The travel and health documents required for your trip to Belgrade Nikola Tesla 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 Belgrade Nikola Tesla Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Belgrade?

Book flights to Belgrade if you plan to visit one of these locations
Novi Sad
Subotica

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Belgrade. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Belgrade from Allentown with this policy.

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

Once all potential Allentown to Belgrade flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Allentown to Belgrade flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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