Cheap flights from St. Louis to Bulgaria from $732
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bulgaria departing on 9/5. 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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United Airlines flights from St. Louis to Bulgaria
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Lufthansa flights from St. Louis to Bulgaria
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How to get the cheapest flight ticket from St. Louis 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 January is also cheap. Prices for this month can be found on momondo for an average of $751.
What is the cheapest day to depart on your flight to Bulgaria?
The cheapest day to depart from St. Louis to Bulgaria is on a Saturday when prices can be found for as low as $1,095. On the other hand, Friday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,306.
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 St. Louis to Bulgaria when you can find flight prices for as low as $1,199. Flying to Bulgaria in the morning is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the afternoon, with an average ticket price of $1,335. Departure times in the afternoon 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 St. Louis when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $1,033 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from St. Louis for as low as $801 on momondo.
Cheap St. Louis to Bulgaria flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bulgaria
When did momondo last update prices for flights from Lambert-St Louis Airport to Bulgaria?
Prices for flights from Lambert-St Louis Airport to Bulgaria are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Bulgaria?
As of June 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Bulgaria.
How old do you have to be to fly from Lambert-St Louis Airport 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 Lambert-St Louis Airport to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from St. Louis to Bulgaria
Compare and see reviews for airlines that fly from St. Louis to Bulgaria with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $711 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $725 | Free Cancellation | Rating 6.7 7,136 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Bulgaria?
Finding the right flight to Bulgaria from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.
Can I find flights from St. Louis to Bulgaria with flexible booking policies on momondo?
momondo does allow users to show only those flights to Bulgaria from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Bulgaria?
momondo helps you find the best flight between St. Louis and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Bulgaria right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of St. Louis to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.