$607+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SOF
Nov 29 — Dec 61
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Allentown to Bulgaria with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Allentown to Bulgaria
Keep the following information in mind while searching for Allentown to Bulgaria flight deals. Data was last updated October 30, 2025.
Round-trip from | $606 (KLM) |
|---|
Find flight deals from Allentown to Bulgaria
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 October 30, 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 October 30, 2025.
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/156:28 amABE - SOF
2 stops48h 37mKLM
Mon 1/197:00 amSOF - ABE
2 stops22h 50mKLM
Deal found 10/28![KLM logo]()
$607
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 October 30, 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 1/15
6:28 am-2:05 pm
2 stops48h 37m
Sofia
Mon 1/19
7:00 am-10:50 pm
2 stops22h 50m
$607
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 $330). Flying from Allentown to Bulgaria in June is currently the most expensive (average of $641). 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.