Cheap flights from Illinois to Bulgaria from $268
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Bulgaria departing on 10/15. 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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How to get the cheapest flight ticket from Illinois to Bulgaria
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 month to fly to Bulgaria?
If you aren’t able to travel to Bulgaria during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $588.
What is the cheapest day to depart on your flight to Bulgaria?
The cheapest day to depart from Illinois to Bulgaria is on a Thursday when prices can be found for as low as $885. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,047.
What is the cheapest time of day to depart on your flight to Bulgaria?
In the morning is the cheapest time of day to fly from Illinois to Bulgaria when you can find flight prices for as low as $751. Flying to Bulgaria in the morning is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly at noon, with an average ticket price of $1,107. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Bulgaria?
You are more likely to see cheaper flights to Bulgaria from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Illinois for as low as $736 on momondo.
What is the cheapest airline that flies from Illinois to Bulgaria?
Lufthansa, Air France, and SWISS are the most popular carriers operating from Illinois to Bulgaria
What airlines fly to Bulgaria?
Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Bulgaria from Illinois according to our data. Turkish Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 10 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Bulgaria flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Bulgaria
When did momondo last update prices for flights from Illinois to Bulgaria?
Prices for flights from Illinois to Bulgaria are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Bulgaria?
As of July 2025, there are 10 operators available to choose from for flights from Illinois to Bulgaria.
How old do you have to be to fly from Illinois to Bulgaria?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Illinois to Bulgaria
Compare and see reviews for airlines that fly from Illinois to Bulgaria with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $494 | Free Cancellation | Rating 7.3 3,895 reviews | |||
| PriceFrom $498 | Free Cancellation | Rating 7.5 1,473 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 7.8 1,366 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.6 1,093 reviews | |||
| PriceFrom $596 | Free Cancellation | Rating 7.5 1,654 reviews | |||
| PriceFrom $598 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom $605 | Free Cancellation | Rating 7.6 809 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 6.3 197 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Bulgaria?
It is quick and easy to find Illinois to Bulgaria flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bulgaria that suits you.
Can I find flights from Illinois to Bulgaria with flexible booking policies on momondo?
All flight searches from Illinois to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Illinois to Bulgaria?
momondo provides multiple filters to help you find the best flight to Bulgaria from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Illinois to Bulgaria right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Bulgaria from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.