Cheap flights from St Louis (STL) to Sofia (SOF)

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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 2021: compare St Louis to Sofia flight prices with the expected peak season, weather and rainfall in Sofia.
What is the cheapest day to fly round-trip from St Louis to Sofia?

Travelers have found that booking a Monday departure is the best way to save up to 47% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 15% on this flight, we recommend booking at least 61 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 Sofia from $950 1-2 weeks out and tickets from $959 for flights departing within the next 72 hours.

What is the cheapest month to fly from St Louis to Sofia?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, March can be a great choice for travel to Sofia. Flights to Sofia from St Louis in March are about $909 on average during March, but can be found for as low as $578.

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 at noon, which can drop the price by up to 37% versus a flight in the afternoon.

Cheap flights from St Louis to Sofia in April, May 2021

The best prices found for STL to SOF flights for April, May
21 May - 23 May
$1,545pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
   
2 STOPS
STL
Lambert-St Louis
21 May - 23 May
$1,572pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
21 May - 23 May
$1,578pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Sofia 2021 flight deals

Cheap flights to Sofia from St Louis found for this year
21 May - 23 May
$1,545pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Austrian Airlines
   
2 STOPS
STL
Lambert-St Louis
21 May - 23 May
$1,572pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
21 May - 23 May
$1,578pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SOF
Sofia
SOF
Sofia
Multiple Airlines
   
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.

Flight FAQs

From St Louis to Sofia

Are flight prices decreasing from St Louis to Sofia due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Sofia for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Lufthansa, United Airlines, and Air Canada flying from Lambert-St Louis to Sofia have implemented new flexible cancellation policies.

Can I find flights from St Louis to Sofia for under $1,600 on Cheapflights?

Yes, there are multiple flights from St Louis to Sofia for under $1,600. The cheapest flight booked recently is on Multiple Airlines for just $1,545, but on average you can expect to pay $1,881.

Are there nonstop flights from St Louis to Sofia for under $1,500 on Cheapflights?

There are no nonstop flights from St Louis to Sofia, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in St Louis or Sofia?

Expected rainfall in St Louis is less than in Sofia. You can expect this to be the case over the next 17 days.

Is St Louis weather warmer or cooler than Sofia?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in Sofia is generally colder than in St Louis. Book flights in a timely manner in correlation to your departure date.

How long is the flight from St Louis to Sofia?

Airlines like United Airlines fly from St Louis to Sofia in about 15h 35m. The time it takes to get you to your destination can typically vary by up to .

What is the cheapest airline to fly from St Louis to Sofia round-trip?

Cheapflights users have booked flights from St Louis to Sofia round-trip from $2,832.

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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.

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 = 1.63 Лв
Average temperature for April in Sofia
62.6 °F
Avg rainfall for April in Sofia
2.9 ″

Airports servicing St. Louis

Airports servicing Sofia

Top 3 airlines flying from 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
Air Canada
$888 $1,169 No cancel fee 67%
Lufthansa
$664 $1,278 No cancel fee 76%
United Airlines
$677 $1,300 No cancel fee 69%
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