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Cheap flights from St. Louis to Bulgaria from $924

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:40 am - 10:55 pmSTL  Lambert-St Louis-SOF Sofia
30h 15m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
2:10 pm - 3:26 pmSOF  Sofia-STL Lambert-St Louis
33h 16m2 stops Frankfurt am Main Toronto Pearson Intl
$924United Airlines
Thu, Dec 10 - Thu, Dec 17
United Airlines Logo
8:40 am - 10:55 pmSTL  Lambert-St Louis-SOF Sofia
30h 15m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
2:10 pm - 1:45 pmSOF  Sofia-STL Lambert-St Louis
31h 35m1 stop Frankfurt am Main
$1,036United Airlines
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
9:35 am - 1:15 pmSTL  Lambert-St Louis-SOF Sofia
19h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
12:35 pm - 5:13 pmSOF  Sofia-STL Lambert-St Louis
36h 38m2 stops Vienna Intl Chicago O'Hare Intl
$1,059Multiple Airlines
Mon, Dec 28 - Tue, Jan 5
United Airlines Logo
8:30 am - 1:15 pmSTL  Lambert-St Louis-SOF Sofia
20h 45m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 10:30 pmSOF  Sofia-STL Lambert-St Louis
24h 05m2 stops Frankfurt am Main Houston George Bush Intcntl
$1,093United Airlines
Mon, Jan 11 - Thu, Jan 14
Multiple Airlines Logo
9:40 am - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
19h 45m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
6:00 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
41h 26m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$1,160Multiple Airlines
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
1:18 pm - 6:00 pmSTL  Lambert-St Louis-SOF Sofia
20h 42m2 stops Chicago O'Hare Intl Vienna Intl
Multiple Airlines Logo
2:10 pm - 11:38 pmSOF  Sofia-STL Lambert-St Louis
17h 28m2 stops Frankfurt am Main Chicago O'Hare Intl
$1,201Multiple Airlines
Wed, Dec 16 - Fri, Dec 25
Lufthansa Logo
11:00 am - 10:55 pmSTL  Lambert-St Louis-SOF Sofia
27h 55m2 stops Newark Munich Franz Josef Strauss
Lufthansa Logo
2:10 pm - 11:38 pmSOF  Sofia-STL Lambert-St Louis
17h 28m2 stops Frankfurt am Main Chicago O'Hare Intl
$1,301Lufthansa
Wed, Dec 16 - Fri, Dec 25
Air Canada Logo
9:40 am - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
19h 45m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:25 am - 7:02 pmSOF  Sofia-STL Lambert-St Louis
20h 37m3 stops Frankfurt am Main Toronto Pearson Intl Chicago O'Hare Intl
$1,303Air Canada
Thu, Dec 10 - Thu, Dec 17
Lufthansa Logo
6:55 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
15h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
2:10 pm - 11:38 pmSOF  Sofia-STL Lambert-St Louis
17h 28m2 stops Frankfurt am Main Chicago O'Hare Intl
$1,380Lufthansa
Wed, Dec 16 - Fri, Dec 25
Air Canada Logo
10:50 am - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
18h 35m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
2:10 pm - 12:26 pmSOF  Sofia-STL Lambert-St Louis
30h 16m3 stops Frankfurt am Main Toronto Pearson Intl Chicago O'Hare Intl
$1,411Air Canada
Wed, Dec 16 - Fri, Dec 25

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United Airlines flights from St. Louis to Bulgaria

Our best United Airlines deals on St. Louis to Bulgaria flight tickets
United Airlines
Dec 10
STL8:40 amLambert-St Louis
30h 15m
2 stops
SOF10:55 pmSofia
Dec 17
SOF2:10 pmSofia
33h 16m
2 stops
STL3:26 pmLambert-St Louis
$924
United Airlines
Dec 10
STL8:40 amLambert-St Louis
30h 15m
2 stops
SOF10:55 pmSofia
Dec 17
SOF2:10 pmSofia
31h 35m
1 stop
STL1:45 pmLambert-St Louis
$1,036
United Airlines
Jan 11
STL8:30 amLambert-St Louis
20h 45m
2 stops
SOF1:15 pmSofia
Jan 14
SOF6:25 amSofia
24h 05m
2 stops
STL10:30 pmLambert-St Louis
$1,093

Air Canada flights from St. Louis to Bulgaria

Our best Air Canada deals on St. Louis to Bulgaria flight tickets
Air Canada
Dec 10
STL9:40 amLambert-St Louis
19h 45m
3 stops
SOF1:25 pmSofia
Dec 17
SOF6:25 amSofia
20h 37m
3 stops
STL7:02 pmLambert-St Louis
$1,303
Air Canada
Dec 16
STL10:50 amLambert-St Louis
18h 35m
3 stops
SOF1:25 pmSofia
Dec 25
SOF2:10 pmSofia
30h 16m
3 stops
STL12:26 pmLambert-St Louis
$1,411
Air Canada
Dec 16
STL10:50 amLambert-St Louis
18h 35m
3 stops
SOF1:25 pmSofia
Dec 25
SOF2:10 pmSofia
30h 16m
3 stops
STL12:26 pmLambert-St Louis
$1,426

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Thu 12/10

8:40 am-10:55 pm

2 stops30h 15m

Sofia

Thu 12/17

2:10 pm-3:26 pm

2 stops33h 16m

$924

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Thu 12/10

8:40 am-10:55 pm

2 stops30h 15m

Sofia

Thu 12/17

2:10 pm-1:45 pm

1 stop31h 35m

$1,036

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 12/28

9:35 am-1:15 pm

2 stops19h 40m

Sofia

Tue 1/5

12:35 pm-5:13 pm

2 stops36h 38m

$1,059

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 1/11

8:30 am-1:15 pm

2 stops20h 45m

Sofia

Thu 1/14

6:25 am-10:30 pm

2 stops24h 05m

$1,093

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Thu 12/10

9:40 am-1:25 pm

3 stops19h 45m

Sofia

Thu 12/17

6:00 am-3:26 pm

2 stops41h 26m

$1,160

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 12/16

1:18 pm-6:00 pm

2 stops20h 42m

Sofia

Fri 12/25

2:10 pm-11:38 pm

2 stops17h 28m

$1,201

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 12/16

11:00 am-10:55 pm

2 stops27h 55m

Sofia

Fri 12/25

2:10 pm-11:38 pm

2 stops17h 28m

$1,301

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Thu 12/10

9:40 am-1:25 pm

3 stops19h 45m

Sofia

Thu 12/17

6:25 am-7:02 pm

3 stops20h 37m

$1,303
Quickest round-trip

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 12/16

6:55 pm-6:20 pm

2 stops15h 25m

Sofia

Fri 12/25

2:10 pm-11:38 pm

2 stops17h 28m

$1,380

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 12/16

10:50 am-1:25 pm

3 stops18h 35m

Sofia

Fri 12/25

2:10 pm-12:26 pm

3 stops30h 16m

$1,411

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bulgaria from

How to get the cheapest flight ticket from St. Louis to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $567.

Can stopping save me money on St. Louis to Bulgaria flights?

You could potentially save up to 22% on your flight if you consider stops on a St. Louis to Bulgaria flight.

Cheap St. Louis to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bulgaria

Best Price Found

$924

Fastest flight time

20h 45m

Direct flights

None
The best flight deal from St. Louis to Bulgaria found on momondo in the last 72 hours is $924
The fastest flight from St. Louis to Bulgaria takes 20h 45m
There are no direct flights from St. Louis to Bulgaria. There are no popular flight routes from St. Louis to Bulgaria.
Search flight deals

Frequently asked questions about flying from St. Louis to Bulgaria

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Bulgaria?

    Prices for flights from Lambert-St Louis Airport to Bulgaria are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Bulgaria?

  • How old do you have to be to fly from Lambert-St Louis Airport to Bulgaria?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Bulgaria

Compare and see reviews for airlines that fly from St. Louis to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $559Free CancellationRating
7.3
10,459 reviews
Search United Airlines flights
LufthansaPriceFrom $560Free CancellationRating
6.8
8,301 reviews
Search Lufthansa flights
Air CanadaPriceFrom $1,108Free CancellationRating
7.1
11,834 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Bulgaria?

Finding the right flight to Bulgaria from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

Can I find flights from St. Louis to Bulgaria with flexible booking policies on momondo?

momondo does allow users to show only those flights to Bulgaria from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Bulgaria?

momondo helps you find the best flight between St. Louis and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Bulgaria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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