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Cheap flights from St. Louis (STL) to Sofia (SOF) from $605

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SOF
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Lambert-St Louis to Sofia are usually found in February or November, booked 3 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from St. Louis to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2024.

Popular in

December

Cheapest in

February

Round-trip from

$660

One-way from

$611
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 36% potential price drop
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From Lambert-St Louis to Sofia
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One-way flight from Lambert-St Louis to Sofia
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What is the cheapest day to fly round-trip from St. Louis to Sofia?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

The best pricing can be found in the month of February. Prices to Sofia from St. Louis average $1,104. You can even find prices in February for less than $1,104, as users have found deals to Sofia from as low as $669. The month of December appears to be one of the more expensive times to travel to Sofia from St. Louis. Flying in the targeted month can save you up to 40%.

What is the cheapest time of day to fly from STL to 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 morning, which can drop the price by up to 19% versus a flight at noon.

Cheap St. Louis to Sofia flights in June & July 2024

Find cheap flight options from St. Louis to Sofia specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
These are some of the most attractive deals on flights from St. Louis to Sofia in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 7/225:30 pmSTL - SOF
2 stops21h 05mLufthansa
Thu 8/156:00 amSOF - STL
2 stops24h 37mLufthansa
Deal found 6/5$962
Mon 7/2210:19 amSTL - SOF
2 stops26h 06mBritish Airways
Tue 8/139:15 pmSOF - STL
2 stops31h 44mBritish Airways
Deal found 6/5$976
Sun 7/2110:19 amSTL - SOF
2 stops24h 51mBritish Airways
Tue 8/139:15 pmSOF - STL
2 stops31h 44mBritish Airways
Deal found 6/5$1,078
Mon 7/2210:19 amSTL - SOF
2 stops17h 51mUnited Airlines
Fri 8/166:30 amSOF - STL
2 stops17h 10mUnited Airlines
Deal found 6/5$1,104
Mon 7/2210:19 amSTL - SOF
2 stops17h 51mUnited Airlines
Sat 8/176:30 amSOF - STL
2 stops21h 07mUnited Airlines
Deal found 6/5$1,112
Fri 7/195:30 pmSTL - SOF
2 stops18h 30mUnited Airlines
Fri 8/166:30 amSOF - STL
2 stops17h 10mUnited Airlines
Deal found 6/5$1,164
Fri 7/195:30 pmSTL - SOF
2 stops18h 30mUnited Airlines
Sat 8/176:30 amSOF - STL
2 stops23h 07mUnited Airlines
Deal found 6/5$1,172
Thu 6/1310:15 amSTL - SOF
2 stops24h 30mUnited Airlines
Thu 6/206:00 amSOF - STL
2 stops17h 58mUnited Airlines
Deal found 6/6$1,190
Tue 7/235:30 pmSTL - SOF
2 stops21h 30mUnited Airlines
Wed 8/146:30 amSOF - STL
2 stops17h 10mUnited Airlines
Deal found 6/5$1,212

St. Louis to Sofia 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
These are some of the most attractive deals on flights from St. Louis to Sofia in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 10/206:26 pmSTL - SOF
2 stops16h 44mBritish Airways
Mon 11/185:25 pmSOF - STL
2 stops30h 43mBritish Airways
Deal found 6/6$605
Sun 10/203:25 pmSTL - SOF
1 stop13h 55mLufthansa
Fri 11/226:00 amSOF - STL
1 stop15h 55mLufthansa
Deal found 6/6$612
Tue 10/2212:58 pmSTL - SOF
2 stops21h 47mUnited Airlines
Fri 11/226:00 amSOF - STL
1 stop15h 55mUnited Airlines
Deal found 6/6$616
Tue 10/2212:00 pmSTL - SOF
2 stops17h 10mMultiple Airlines
Tue 11/196:05 amSOF - STL
2 stops41h 18mMultiple Airlines
Deal found 6/6$617
Sun 10/2012:00 pmSTL - SOF
2 stops17h 20mMultiple Airlines
Fri 11/226:05 amSOF - STL
2 stops35h 48mMultiple Airlines
Deal found 6/6$619
Sun 10/203:25 pmSTL - SOF
1 stop23h 10mUnited Airlines
Thu 11/216:00 amSOF - STL
2 stops24h 15mUnited Airlines
Deal found 6/6$622
Sun 10/203:25 pmSTL - SOF
1 stop18h 40mLufthansa
Tue 11/191:50 pmSOF - STL
1 stop32h 05mLufthansa
Deal found 6/6$634
Sat 10/194:20 pmSTL - SOF
2 stops19h 45mBritish Airways
Tue 11/196:05 pmSOF - STL
2 stops30h 03mBritish Airways
Deal found 6/6$655
Fri 10/1812:00 pmSTL - SOF
2 stops17h 20mMultiple Airlines
Wed 11/206:00 amSOF - STL
2 stops35h 53mMultiple Airlines
Deal found 6/6$657

St. Louis to Sofia flights leaving soon

Find last-minute flight options from St. Louis to Sofia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Have a look at some of the last-minute flights available departing from St. Louis to Sofia. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 6/1310:15 amSTL - SOF
2 stops24h 30mUnited Airlines
Thu 6/206:00 amSOF - STL
2 stops17h 58mUnited Airlines
Deal found 6/6$1,190
Thu 6/131:10 pmSTL - SOF
2 stops15h 00mLufthansa
Thu 6/206:45 pmSOF - STL
1 stop26h 45mLufthansa
Deal found 6/6$1,624
Thu 6/139:50 amSTL - SOF
3 stops23h 20mMultiple Airlines
Thu 6/2010:55 amSOF - STL
3 stops32h 50mMultiple Airlines
Deal found 6/6$1,665
Thu 6/139:50 amSTL - SOF
2 stops18h 20mMultiple Airlines
Thu 6/2010:55 amSOF - STL
3 stops32h 50mMultiple Airlines
Deal found 6/6$1,751

One-way flights to Sofia from St. Louis

Search for one-way flight options from St. Louis to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Sofia, be sure to check out these deals, which are updated often. Users can also find round-trip St. Louis to Sofia flights by using the search form above.
Wed 6/268:16 amSTL - SOF
3 stops56h 39mMultiple Airlines
Deal found 6/5$611
Wed 6/266:30 amSTL - SOF
2 stops18h 00mTurkish Airlines
Deal found 6/5$790
Wed 6/263:25 pmSTL - SOF
1 stop23h 10mLufthansa
Deal found 6/5$1,006

Find flights from St. Louis to Sofia within your budget

Customize your flight search to find flights from St. Louis to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$721 - $793

Route

Depart

Return

Price

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 10/7

2 stops20h 05m

Sofia

Thu 10/17

2 stops26h 49m

$721

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 10/7

2 stops22h 05m

Sofia

Tue 10/22

2 stops17h 05m

$732

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 10/8

2 stops17h 20m

Sofia

Fri 10/18

2 stops22h 00m

$735

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 10/9

1 stop13h 55m

Sofia

Tue 10/22

2 stops17h 59m

$739

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 10/8

2 stops41h 30m

Sofia

Sat 10/19

2 stops32h 02m

$771

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 10/9

2 stops20h 10m

Sofia

Sun 10/20

2 stops53h 21m

$777

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 10/9

1 stop13h 55m

Sofia

Sat 10/19

2 stops17h 59m

$786

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Fri 10/11

2 stops18h 00m

Sofia

Wed 10/23

2 stops22h 00m

$790

Lambert-St LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Thu 10/10

2 stops17h 01m

Sofia

Wed 10/23

2 stops17h 59m

$793

Flights are sorted by cheapest first

Deals found on 6/5

What is the cheapest day to fly from St. Louis to Sofia?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Sofia. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Sofia flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average temperature and rainfall totals by month.

SOF

Temperature

30.2 - 68 °F

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated June 6, 2024.
Read reviews from past customers who have flown Air Canada, Lufthansa and British Airways from St. Louis to Sofia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
3,718 reviews

Boarding

7.4

Food

7.4

Comfort

7.4

Overall

7.4

Entertainment

7.5

Crew

7.8

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Turkish Airlines
7.4
Good
3,718 reviews
Turkish Airlines
7.4
Good
3,718 reviews

Boarding

7.4

Food

7.4

Comfort

7.4

Overall

7.4

Entertainment

7.5

Crew

7.8

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

United Airlines
7.4
Good
10,696 reviews
Turkish Airlines
7.4
Good
3,718 reviews

Boarding

7.4

Food

7.4

Comfort

7.4

Overall

7.4

Entertainment

7.5

Crew

7.8

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

American Airlines
7.3
Good
14,227 reviews
Turkish Airlines
7.4
Good
3,718 reviews

Boarding

7.4

Food

7.4

Comfort

7.4

Overall

7.4

Entertainment

7.5

Crew

7.8

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Air Canada
7.0
Good
7,044 reviews
Turkish Airlines
7.4
Good
3,718 reviews

Boarding

7.4

Food

7.4

Comfort

7.4

Overall

7.4

Entertainment

7.5

Crew

7.8

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Lufthansa
7.0
Good
7,524 reviews
Turkish Airlines
7.4
Good
3,718 reviews

Boarding

7.4

Food

7.4

Comfort

7.4

Overall

7.4

Entertainment

7.5

Crew

7.8

Reviews

1 / 10

Maybe the plane was an older one... there was less room than I remember. Certainly less room that Qatar or Emirates. But food was ok. I have flown Turkish Air a few times before and thought I liked the flights better. So maybe it was just me.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Sofia for under $800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Sofia for under $800. The cheapest flight booked recently is on British Airways for just $721, but on average you can expect to pay $771.

  • Are there last-minute flights available from St. Louis to Sofia for under $1,200?

    There are currently 4+ open flights from St. Louis to Sofia within the next 7 days for less than $1,200.

  • What are the cheapest airlines flying from St. Louis to Sofia round-trip?

    British Airways, at $721, was found to be the cheapest airline from St. Louis to Sofia.Alternate airlines to your destination round-trip include Lufthansa and American Airlines. Users have found that British Airways is 34% cheaper than the other options available to this destination.

  • What does STL to SOF mean?

    Great question - STL to SOF just means Lambert-St Louis Airport to Sofia Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Sofia that include hotel bookings?

    Yes. In addition to deals on St. Louis to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Sofia.

  • Can I find deals for business class flights from St. Louis to Sofia?

    Yes. Cheapflights offers flight deals from St. Louis to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Sofia that allow pets onboard?

    Many airlines flying from St. Louis to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Sofia?

    Yes, you can often find last-minute deals on St. Louis to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Sofia flight deals updated?

    The St. Louis to Sofia flight deals you see on this page were last updated on 6/6.

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

    Air Canada, British Airways and Lufthansa are the most popular airlines when flying from St. Louis to Sofia.

  • What is the cheapest month to book a flight from St. Louis to Sofia?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Sofia (average of $660). Flying from St. Louis to Sofia in June is currently the most expensive (average of $1,263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 flights

Top 4 airlines flying from St. Louis to Sofia

Discover the top 4 airlines that operate flights from St. Louis to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$694Average$1,099FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$1,143FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$823Average$1,456FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$897Average$1,085FlexibilityNo cancel feeOn-time67%
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Search flights from St. Louis to Sofia by cabin class

Find flights from St. Louis to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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