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Bulgaria

$343+ Cheap flights from Missouri to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SOF
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Missouri to Bulgaria

Cheapest flights from Missouri to Bulgaria
Explore the most affordable flight options available from Missouri to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:30 pm
STL
-
SOF
1 stop18h 35m
Lufthansa
Sun 4/196:20 am
SOF
-
STL
1 stop15h 05m
Lufthansa
Deal found 2/2$554
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:05 pm
STL
-
SOF
2 stops21h 05m
United Airlines
Sun 4/196:10 am
SOF
-
STL
2 stops24h 18m
United Airlines
Deal found 2/2$600
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:55 am
STL
-
SOF
2 stops25h 45m
United Airlines
Thu 9/106:10 am
SOF
-
STL
2 stops17h 11m
United Airlines
Deal found 2/3$684
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:10 pm
STL
-
SOF
2 stops22h 30m
Multiple Airlines
Thu 9/1011:30 am
SOF
-
STL
1 stop33h 55m
Multiple Airlines
Deal found 2/3$688
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:00 am
MCI
-
SOF
3 stops26h 20m
United Airlines
Sun 3/16:10 am
SOF
-
MCI
2 stops21h 56m
United Airlines
Deal found 1/31$722
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:41 am
STL
-
SOF
2 stops31h 04m
United Airlines
Mon 3/22:20 pm
SOF
-
STL
2 stops16h 39m
United Airlines
Deal found 2/2$748
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:15 am
STL
-
SOF
3 stops16h 55m
Air Canada
Sun 4/196:20 am
SOF
-
STL
2 stops17h 04m
Air Canada
Deal found 2/2$813

Find flight deals from Missouri to Bulgaria

Keep the following information in mind while searching for Missouri to Bulgaria flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$554
(Kiwi.com)

One-way from

$343
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$640
Provider with most accurate pricing for Lambert-St Louis-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Sofia flights.
Search Deals
From Missouri to Bulgaria
Search Deals
One-way flight from Missouri to Bulgaria
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($238 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Bulgaria 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 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Missouri to Bulgaria that are best for you.

Fly from

Missouri

Fly to

Bulgaria

Route

Depart

Return

Price

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 4/1

3:30 pm-6:05 pm

1 stop18h 35m

Sofia

Sun 4/19

6:20 am-1:25 pm

1 stop15h 05m

$554

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 4/1

6:05 pm-11:10 pm

2 stops21h 05m

Sofia

Sun 4/19

6:10 am-10:28 pm

2 stops24h 18m

$600

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Wed 2/25

10:15 am-10:45 pm

2 stops28h 30m

Sofia

Sun 3/1

6:10 am-8:06 pm

2 stops21h 56m

$722

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Thu 2/26

7:41 am-10:45 pm

2 stops31h 04m

Sofia

Mon 3/2

2:20 pm-10:59 pm

2 stops16h 39m

$748

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 4/1

11:15 am-12:10 pm

3 stops16h 55m

Sofia

Sun 4/19

6:20 am-3:24 pm

2 stops17h 04m

$813

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Sun 4/12

8:28 pm-9:30 am

3 stops53h 02m

$343

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Mon 4/13

4:31 pm-9:40 am

3 stops57h 09m

$410

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Sun 4/12

8:00 am-11:10 pm

2 stops31h 10m

$451

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Mon 4/13

6:15 am-6:40 pm

2 stops28h 25m

$452

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Sun 4/12

8:00 am-12:10 pm

3 stops20h 10m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Best time to book a flight from Missouri to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Bulgaria
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • How long is the flight from Missouri to Bulgaria?

    Lufthansa and United Airlines can get you from Missouri to Bulgaria in just under 18h 35m. Your travel time can differ by up to 2h 30m. Airlines will cover a distance of 5444 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Missouri to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Missouri to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Bulgaria?

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

  • Can I find deals for business class flights from Missouri to Bulgaria?

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

See more FAQs

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Alternative routes for Missouri to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Missouri to Bulgaria

Discover the top 2 airlines that operate flights from Missouri to Bulgaria. 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 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$1,002FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$603Average$858FlexibilityNo cancel feeOn-time76%

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