Cheap flights from St. Louis (STL) to Bulgaria

STL — SOF
Aug 9 — Aug 161

How far in advance should I book a flight from St. Louis to Bulgaria?

To save up to 86% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Bulgaria from $1,291 1-2 weeks out and tickets from $1,844 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Bulgaria?

The best pricing can be found in the month of January. Prices to Bulgaria from St. Louis average $865. You can even find prices in January for less than $865, as users have found deals to Bulgaria from as low as $592. The month of June appears to be one of the more expensive times to travel to Bulgaria from St. Louis. Flying in the targeted month can save you up to 36%.

When is the cheapest time to fly from St. Louis to Bulgaria (STL - BG)?

When flying from St. Louis to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from St. Louis to Bulgaria in August, September 2022

The best prices found for STL to Bulgaria flights for August, September
Sep 28 - Oct 4
STL

Lambert-St Louis

SOF

Sofia

2 stops

15h 42m
SOF

Sofia

STL

Lambert-St Louis

2 stops

36h 19m
$869

Multiple Airlines

Pick Dates

Deal found 8/4/22

Sep 28 - Oct 4
STL

Lambert-St Louis

SOF

Sofia

1 stop

18h 10m
SOF

Sofia

STL

Lambert-St Louis

2 stops

29h 42m
$897

Multiple Airlines

Pick Dates

Deal found 8/4/22

Sep 28 - Oct 4
STL

Lambert-St Louis

SOF

Sofia

1 stop

18h 10m
SOF

Sofia

STL

Lambert-St Louis

1 stop

33h 50m
$959

Lufthansa

Pick Dates

Deal found 8/4/22

St. Louis to Bulgaria 2022 flight deals

Cheap flights to Bulgaria from St. Louis found for this year
Sep 28 - Oct 4
STL

Lambert-St Louis

SOF

Sofia

2 stops

15h 42m
SOF

Sofia

STL

Lambert-St Louis

2 stops

36h 19m
$869

Multiple Airlines

Pick Dates

Deal found 8/4/22

Sep 28 - Oct 4
STL

Lambert-St Louis

SOF

Sofia

1 stop

18h 10m
SOF

Sofia

STL

Lambert-St Louis

2 stops

29h 42m
$897

Multiple Airlines

Pick Dates

Deal found 8/4/22

Sep 28 - Oct 4
STL

Lambert-St Louis

SOF

Sofia

1 stop

18h 10m
SOF

Sofia

STL

Lambert-St Louis

1 stop

33h 50m
$959

Lufthansa

Pick Dates

Deal found 8/4/22

One-way flights to Bulgaria from St. Louis

The cheapest one-way flights from St. Louis to Bulgaria
Sep 9
STL

Lambert-St Louis

SOF

Sofia

3 stops

44h 04m
$319

Multiple Airlines

Pick Dates

Deal found 8/2/22

Sep 9
STL

Lambert-St Louis

SOF

Sofia

3 stops

44h 04m
$328

Multiple Airlines

Pick Dates

Deal found 8/3/22

Sep 4
STL

Lambert-St Louis

SOF

Sofia

3 stops

43h 58m
$342

Multiple Airlines

Pick Dates

Deal found 8/2/22

Related info for your journey

Useful info, stats and facts about St. Louis to Bulgaria flights.

What airport do you fly from for flights from St. Louis to Bulgaria?

Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Bulgaria from St. Louis.

Which airlines flying from Lambert-St Louis to Bulgaria have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Bulgaria that may be offering flexible cancellation policies are Lufthansa, United Airlines, and KLM. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What are the cheapest airlines to fly from St. Louis to Bulgaria one-way?

$728 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $892 and $2,682, respectively.

What are the most popular airlines that fly from St. Louis to Bulgaria?

Consider American Airlines, Air France or British Airways when booking your flight. These represent the most popular airlines when flying from St. Louis to Bulgaria.

What are the cheapest flights from St. Louis to Bulgaria?

On average you can expect to pay $875 for a flight from St. Louis to Bulgaria. The cheapest flight overall is $777 while the most popular route, (Lambert-St Louis - Sofia) is currently priced at $1,939.

Destination points for flights from St. Louis to Bulgaria

Select to see more specific information for flights from St. Louis to all places in Bulgaria

Top 3 airlines flying from St. Louis to Bulgaria

The chart below displays the airlines Cheapflights users traveling from St. Louis to Bulgaria choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
KLMCheapest$483Average$774FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
United AirlinesCheapest$651Average$1,022FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
LufthansaCheapest$795Average$1,058FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights