$545+ Cheap flights from Allentown (ABE) to Bulgaria
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SOF
Jan 15 — Jan 221
1 adult, Economy
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1. Tell us where you want to go
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Best flights from Allentown to BulgariaDiscover carefully curated flight deals from Allentown to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.
Discover carefully curated flight deals from Allentown to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:30 amABE - SOF
2 stops28h 15mUnited Airlines
Mon 2/26:10 amSOF - ABE
2 stops21h 55mUnited Airlines
Deal found 12/14![United Airlines logo]()
$545
Find flight deals from Allentown to Bulgaria
Keep the following information in mind while searching for Allentown to Bulgaria flight deals. Data was last updated December 16, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $545 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $985 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to Bulgaria 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, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Allentown to Bulgaria that are best for you.
Fly from
Allentown
Fly to
Bulgaria
Route
Depart
Return
Price
AllentownSofia
ABE - SOF
ABESOF
Allentown-Bethlehem
Thu 1/29
11:30 am-10:45 pm
2 stops28h 15m
Sofia
Mon 2/2
6:10 am-9:05 pm
2 stops21h 55m
$545
Best time to book a flight from Allentown to Bulgaria
Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Allentown to Bulgaria
What is the cheapest month to book a flight from Allentown to Bulgaria?
Currently, October is the cheapest month in which you can book a flight from Allentown to Bulgaria (average of $233). Flying from Allentown to Bulgaria in June is currently the most expensive (average of $635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.