Cheap flights from St. Louis (STL) to Sofia (SOF)
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The best prices from Lambert-St Louis to Sofia are usually found in January or February, booked 51 days in advance, depart on a Thursday or Tuesday and return on a Wednesday
How to find the cheapest flight from
St. Louis (STL) to Sofia (SOF)
All the information you need to plan the best STL to SOF flight in 2022: compare St. Louis to Sofia flight prices with the expected peak season, weather and rainfall in Sofia.
When is the cheapest time to fly from St. Louis to Sofia (STL - SOF)?
When flying from St. Louis to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 98% versus a flight in the afternoon.
How far in advance should I book a flight from St. Louis to Sofia?
To save on the cost of your flight from St. Louis to Sofia, book at least 51 days before your planned departure. Booking around this time can save you about 73% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,095 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,578.
What is the cheapest day to fly round-trip from St. Louis to Sofia?
It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Cheap flights from St. Louis to Sofia in June, July 2022
The best prices found for STL to SOF flights for June, July
16 Jul - 10 Sep
$1,327pp
STL
Lambert-St Louis
British Airways
2 STOPS
SOF
Sofia
SOF
Sofia
British Airways
2 STOPS
STL
Lambert-St Louis
13 Jul - 13 Sep
$1,377pp
STL
Lambert-St Louis
British Airways
2 STOPS
SOF
Sofia
SOF
Sofia
British Airways
2 STOPS
STL
Lambert-St Louis
13 Jul - 9 Sep
$1,444pp
STL
Lambert-St Louis
Multiple Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Lufthansa
1 STOP
STL
Lambert-St Louis
Lambert-St Louis to Sofia 2022 flight deals
Cheap flights to Sofia from St. Louis found for this year
3 Oct - 8 Oct
$1,143pp
STL
Lambert-St Louis
Multiple Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
2 STOPS
STL
Lambert-St Louis
16 Jul - 10 Sep
$1,327pp
STL
Lambert-St Louis
British Airways
2 STOPS
SOF
Sofia
SOF
Sofia
British Airways
2 STOPS
STL
Lambert-St Louis
13 Jul - 13 Sep
$1,377pp
STL
Lambert-St Louis
British Airways
2 STOPS
SOF
Sofia
SOF
Sofia
British Airways
2 STOPS
STL
Lambert-St Louis
Related info for your journey
Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Sofia</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Sofia, Bulgaria
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Alternative routes for St. Louis to Sofia
See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Sofia
from $930 pp
Destination information for Sofia
Things to know before you go - useful duration and weather info for your trip from St. Louis to Sofia.
Today's exchange rate
$1 = 1.87 Лв
Average temperature for June in Sofia
77.0 °F
Avg rainfall for June in Sofia
3.2 ″
Airports servicing Sofia
Top 3 airlines flying from Lambert-St Louis to Sofia
The chart below displays the airlines Cheapflights users traveling from St. Louis to Sofia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
| Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
|---|---|---|---|---|---|---|
|
$483 | $774 | No cancel fee | 75% | ||
|
$651 | $966 | No cancel fee | 69% | ||
|
$775 | $1,045 | No cancel fee | 76% |