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Cheap flights from Allentown to Bucharest from $658

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 Bucharest departing on 4/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:38 pm - 6:35 pm
ABE
-
OTP
41h 57m
2 stops
United Airlines Logo
1:50 pm - 9:48 am
OTP
-
ABE
26h 58m
2 stops
$658United Airlines
Fri, Apr 24 - Mon, May 11

United Airlines flights from Allentown to Bucharest

Our best United Airlines deals on Allentown to Bucharest flight tickets
United Airlines
Apr 24
ABE5:38 pmAllentown-Bethlehem
41h 57m
2 stops
OTP6:35 pmBucharest Otopeni Intl
May 11
OTP1:50 pmBucharest Otopeni Intl
26h 58m
2 stops
ABE9:48 amAllentown-Bethlehem
$658
United Airlines
Feb 25
ABE10:36 amAllentown-Bethlehem
30h 19m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Mar 1
OTP5:55 amBucharest Otopeni Intl
21h 58m
2 stops
ABE8:53 pmAllentown-Bethlehem
$757
United Airlines
Feb 25
ABE6:28 amAllentown-Bethlehem
24h 32m
2 stops
OTP2:00 pmBucharest Otopeni Intl
Mar 1
OTP1:05 pmBucharest Otopeni Intl
34h 43m
2 stops
ABE4:48 pmAllentown-Bethlehem
$765

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Bucharest 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 17, 2026.
Use the filters below to find and compare flights from Allentown to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Fri 4/24

5:38 pm-6:35 pm

2 stops41h 57m

Bucharest Otopeni Intl

Mon 5/11

1:50 pm-9:48 am

2 stops26h 58m

$658

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Allentown to Bucharest

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 is the cheapest day to depart on your flight to Bucharest?

Our data shows that Wednesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $717. The most expensive day to fly to Bucharest is Tuesday, with ticket prices averaging around $800.

What is the cheapest time of day to depart on your flight to Bucharest?

According to our data, the cheapest time of day to fly to Bucharest is in the afternoon. momondo users have found flights departing from Allentown to Bucharest in the afternoon for as low as $666. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is at noon when prices are around $733.

When to book flights from Allentown to Bucharest

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

Cheap Allentown to Bucharest (ABE to BUH) flight deals and tips

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

Fastest flight time

30h 19m

Direct flights

None
The fastest flight from Allentown to Bucharest takes 30h 19m
There are no direct flights from Allentown to Bucharest. There are no popular flight routes from Allentown to Bucharest.
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  • How far is Allentown-Bethlehem to Bucharest by plane?

    A flight from Allentown-Bethlehem to Bucharest will travel around 4812.6 mi. A reasonable flight in good conditions will take 30h 19m.

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

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

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

    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 Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The required travel and health documents for your Bucharest 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 Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

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

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 Allentown to Bucharest for you.

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

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

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

Once all potential Allentown to Bucharest 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 Bucharest right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Allentown to Bucharest 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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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport