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Cheap flights from Allentown to Bucharest from $5,004

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 6/9. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:38 am - 4:20 pm
ABE
-
OTP
22h 42m
2 stops
Multiple Airlines Logo
1:50 pm - 1:42 pm
OTP
-
ABE
30h 52m
3 stops
$5,004Multiple Airlines
Tue, Jun 9 - Tue, Aug 11
KLM Logo
1:12 pm - 3:25 pm
ABE
-
OTP
19h 13m
2 stops
KLM Logo
7:05 am - 10:56 pm
OTP
-
ABE
22h 51m
2 stops
$5,436KLM
Tue, Jun 9 - Tue, Aug 11
Multiple Airlines Logo
6:20 am - 1:00 pm
ABE
-
OTP
23h 40m
2 stops
Multiple Airlines Logo
6:00 am - 10:56 pm
OTP
-
ABE
23h 56m
2 stops
$5,437Multiple Airlines
Tue, Jun 9 - Wed, Aug 12
United Airlines Logo
10:38 am - 12:25 pm
ABE
-
OTP
18h 47m
2 stops
United Airlines Logo
6:55 pm - 9:12 pm
OTP
-
ABE
33h 17m
2 stops
$5,675United Airlines
Sat, Jun 6 - Mon, Aug 10
KLM Logo
1:12 pm - 3:25 pm
ABE
-
OTP
19h 13m
2 stops
KLM Logo
7:05 am - 10:56 pm
OTP
-
ABE
22h 51m
2 stops
$5,686KLM
Mon, Jun 8 - Tue, Aug 11
Multiple Airlines Logo
6:20 am - 1:00 pm
ABE
-
OTP
23h 40m
2 stops
Multiple Airlines Logo
6:00 am - 10:56 pm
OTP
-
ABE
23h 56m
2 stops
$5,687Multiple Airlines
Mon, Jun 8 - Wed, Aug 12
Multiple Airlines Logo
1:12 pm - 3:25 pm
ABE
-
OTP
19h 13m
2 stops
Multiple Airlines Logo
8:40 am - 10:56 pm
OTP
-
ABE
21h 16m
2 stops
$5,936Multiple Airlines
Mon, Jun 8 - Mon, Aug 10
Multiple Airlines Logo
1:12 pm - 12:45 pm
ABE
-
OTP
16h 33m
2 stops
Multiple Airlines Logo
8:35 am - 10:56 pm
OTP
-
ABE
21h 21m
2 stops
$6,225Multiple Airlines
Wed, Jun 10 - Tue, Aug 11
Air France Logo
1:12 pm - 12:45 pm
ABE
-
OTP
16h 33m
2 stops
Air France Logo
6:00 am - 10:56 pm
OTP
-
ABE
23h 56m
2 stops
$6,226Air France
Wed, Jun 10 - Wed, Aug 12
Air France Logo
1:12 pm - 12:45 pm
ABE
-
OTP
16h 33m
2 stops
Air France Logo
8:40 am - 10:56 pm
OTP
-
ABE
21h 16m
2 stops
$6,475Air France
Wed, Jun 10 - Mon, Aug 10

KLM flights from Allentown to Bucharest

Our best KLM deals on Allentown to Bucharest flight tickets
KLM
Jun 9
ABE1:12 pmAllentown-Bethlehem
19h 13m
2 stops
OTP3:25 pmBucharest Otopeni Intl
Aug 11
OTP7:05 amBucharest Otopeni Intl
22h 51m
2 stops
ABE10:56 pmAllentown-Bethlehem
$5,436
KLM
Jun 8
ABE1:12 pmAllentown-Bethlehem
19h 13m
2 stops
OTP3:25 pmBucharest Otopeni Intl
Aug 11
OTP7:05 amBucharest Otopeni Intl
22h 51m
2 stops
ABE10:56 pmAllentown-Bethlehem
$5,686

United Airlines flights from Allentown to Bucharest

Our best United Airlines deals on Allentown to Bucharest flight tickets
United Airlines
Apr 7
ABE10:35 amAllentown-Bethlehem
31h 35m
2 stops
OTP1:10 amBucharest Otopeni Intl
Apr 23
OTP1:45 pmBucharest Otopeni Intl
27h 03m
2 stops
ABE9:48 amAllentown-Bethlehem
$912
United Airlines
Apr 7
ABE10:35 amAllentown-Bethlehem
31h 35m
2 stops
OTP1:10 amBucharest Otopeni Intl
Apr 25
OTP12:45 pmBucharest Otopeni Intl
39h 32m
2 stops
ABE9:17 pmAllentown-Bethlehem
$975
United Airlines
Apr 9
ABE10:35 amAllentown-Bethlehem
25h 00m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Apr 25
OTP12:45 pmBucharest Otopeni Intl
39h 32m
2 stops
ABE9:17 pmAllentown-Bethlehem
$1,082

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 April 4, 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

Cheapest round-trip

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Tue 6/9

10:38 am-4:20 pm

2 stops22h 42m

Bucharest Otopeni Intl

Tue 8/11

1:50 pm-1:42 pm

3 stops30h 52m

$5,004

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Tue 6/9

1:12 pm-3:25 pm

2 stops19h 13m

Bucharest Otopeni Intl

Tue 8/11

7:05 am-10:56 pm

2 stops22h 51m

$5,436

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Tue 6/9

6:20 am-1:00 pm

2 stops23h 40m

Bucharest Otopeni Intl

Wed 8/12

6:00 am-10:56 pm

2 stops23h 56m

$5,437

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Sat 6/6

10:38 am-12:25 pm

2 stops18h 47m

Bucharest Otopeni Intl

Mon 8/10

6:55 pm-9:12 pm

2 stops33h 17m

$5,675

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Mon 6/8

1:12 pm-3:25 pm

2 stops19h 13m

Bucharest Otopeni Intl

Tue 8/11

7:05 am-10:56 pm

2 stops22h 51m

$5,686

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Mon 6/8

6:20 am-1:00 pm

2 stops23h 40m

Bucharest Otopeni Intl

Wed 8/12

6:00 am-10:56 pm

2 stops23h 56m

$5,687

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Mon 6/8

1:12 pm-3:25 pm

2 stops19h 13m

Bucharest Otopeni Intl

Mon 8/10

8:40 am-10:56 pm

2 stops21h 16m

$5,936

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Wed 6/10

1:12 pm-12:45 pm

2 stops16h 33m

Bucharest Otopeni Intl

Tue 8/11

8:35 am-10:56 pm

2 stops21h 21m

$6,225

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Wed 6/10

1:12 pm-12:45 pm

2 stops16h 33m

Bucharest Otopeni Intl

Wed 8/12

6:00 am-10:56 pm

2 stops23h 56m

$6,226
Quickest round-trip

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Wed 6/10

1:12 pm-12:45 pm

2 stops16h 33m

Bucharest Otopeni Intl

Mon 8/10

8:40 am-10:56 pm

2 stops21h 16m

$6,475

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bucharest from

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 airlines fly to Bucharest?

Lufthansa, United Airlines and Austrian Airlines are the top three most popular airlines that fly to Bucharest from Allentown according to our data. Lufthansa is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 8 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

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

19h 28m

Direct flights

None
The fastest flight from Allentown to Bucharest takes 19h 28m
There are no direct flights from Allentown to Bucharest. There are no popular flight routes from Allentown to Bucharest.
Search flight deals

Frequently asked questions about flying from Allentown to Bucharest

  • 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 19h 28m.

  • 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