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Cheap flights from St. Louis to Bulgaria from $646

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.
Austrian Airlines Logo
1:08 pm - 6:00 pmSTL  Lambert-St Louis-SOF Sofia
21h 52m2 stops Chicago O'Hare Intl Vienna Intl
Austrian Airlines Logo
7:55 am - 9:52 pmSOF  Sofia-STL Lambert-St Louis
21h 57m2 stops Vienna Intl Newark
$646Austrian Airlines
Wed, Oct 28 - Wed, Nov 4
Lufthansa Logo
6:50 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
15h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 9:13 pmSOF  Sofia-STL Lambert-St Louis
23h 13m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$647Lufthansa
Mon, Nov 30 - Fri, Mar 12
Lufthansa Logo
6:50 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
15h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 9:13 pmSOF  Sofia-STL Lambert-St Louis
23h 13m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$647Lufthansa
Mon, Nov 30 - Thu, Mar 11
Lufthansa Logo
6:50 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
15h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 9:13 pmSOF  Sofia-STL Lambert-St Louis
23h 13m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$647Lufthansa
Mon, Nov 23 - Fri, Mar 12
Multiple Airlines Logo
4:05 pm - 3:25 pmSTL  Lambert-St Louis-SOF Sofia
16h 20m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:25 am - 1:45 pmSOF  Sofia-STL Lambert-St Louis
15h 20m1 stop Frankfurt am Main
$649Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Austrian Airlines Logo
1:08 pm - 6:00 pmSTL  Lambert-St Louis-SOF Sofia
21h 52m2 stops Chicago O'Hare Intl Vienna Intl
Austrian Airlines Logo
12:35 pm - 9:53 pmSOF  Sofia-STL Lambert-St Louis
41h 18m2 stops Vienna Intl Newark
$649Austrian Airlines
Mon, Oct 26 - Mon, Feb 8
United Airlines Logo
11:29 am - 1:15 pmSTL  Lambert-St Louis-SOF Sofia
17h 46m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 4:40 pmSOF  Sofia-STL Lambert-St Louis
18h 40m2 stops Munich Franz Josef Strauss Newark
$663United Airlines
Tue, Nov 17 - Fri, Mar 12
United Airlines Logo
11:29 am - 1:15 pmSTL  Lambert-St Louis-SOF Sofia
17h 46m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 4:40 pmSOF  Sofia-STL Lambert-St Louis
18h 40m2 stops Munich Franz Josef Strauss Newark
$663United Airlines
Mon, Nov 23 - Fri, Mar 12
Air Canada Logo
4:05 pm - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
37h 20m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:00 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
41h 26m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$686Air Canada
Sun, Nov 22 - Fri, Mar 12
Air Canada Logo
4:05 pm - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
37h 20m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:00 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
41h 26m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$704Air Canada
Tue, Dec 1 - Thu, Mar 11

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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
Nov 23
STL11:29 amLambert-St Louis
17h 46m
2 stops
SOF1:15 pmSofia
Mar 12
SOF6:00 amSofia
18h 40m
2 stops
STL4:40 pmLambert-St Louis
$663
United Airlines
Nov 23
STL1:08 pmLambert-St Louis
25h 47m
2 stops
SOF10:55 pmSofia
Mar 12
SOF6:25 amSofia
15h 20m
1 stop
STL1:45 pmLambert-St Louis
$679
United Airlines
Dec 2
STL6:00 amLambert-St Louis
23h 15m
2 stops
SOF1:15 pmSofia
Mar 12
SOF7:55 amSofia
21h 18m
2 stops
STL9:13 pmLambert-St Louis
$688

Austrian Airlines flights from St. Louis to Bulgaria

Our best Austrian Airlines deals on St. Louis to Bulgaria flight tickets
Austrian Airlines
Oct 28
STL1:08 pmLambert-St Louis
21h 52m
2 stops
SOF6:00 pmSofia
Nov 4
SOF7:55 amSofia
21h 57m
2 stops
STL9:52 pmLambert-St Louis
$646
Austrian Airlines
Oct 26
STL1:08 pmLambert-St Louis
21h 52m
2 stops
SOF6:00 pmSofia
Feb 8
SOF12:35 pmSofia
41h 18m
2 stops
STL9:53 pmLambert-St Louis
$649
Austrian Airlines
Oct 28
STL1:08 pmLambert-St Louis
21h 52m
2 stops
SOF6:00 pmSofia
Feb 9
SOF6:45 pmSofia
35h 08m
2 stops
STL9:53 pmLambert-St Louis
$669

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

Wed 10/28

1:08 pm-6:00 pm

2 stops21h 52m

Sofia

Wed 11/4

7:55 am-9:52 pm

2 stops21h 57m

$646

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 11/30

6:50 pm-6:20 pm

2 stops15h 30m

Sofia

Fri 3/12

6:00 am-9:13 pm

2 stops23h 13m

$647

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 11/30

6:50 pm-6:20 pm

2 stops15h 30m

Sofia

Thu 3/11

6:00 am-9:13 pm

2 stops23h 13m

$647

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 11/23

6:50 pm-6:20 pm

2 stops15h 30m

Sofia

Fri 3/12

6:00 am-9:13 pm

2 stops23h 13m

$647
Quickest round-trip

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 10/28

4:05 pm-3:25 pm

2 stops16h 20m

Sofia

Wed 11/4

6:25 am-1:45 pm

1 stop15h 20m

$649

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 10/26

1:08 pm-6:00 pm

2 stops21h 52m

Sofia

Mon 2/8

12:35 pm-9:53 pm

2 stops41h 18m

$649

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Tue 11/17

11:29 am-1:15 pm

2 stops17h 46m

Sofia

Fri 3/12

6:00 am-4:40 pm

2 stops18h 40m

$663

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 11/23

11:29 am-1:15 pm

2 stops17h 46m

Sofia

Fri 3/12

6:00 am-4:40 pm

2 stops18h 40m

$663

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Sun 11/22

4:05 pm-1:25 pm

2 stops37h 20m

Sofia

Fri 3/12

6:00 am-3:26 pm

2 stops41h 26m

$686

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Tue 12/1

4:05 pm-1:25 pm

2 stops37h 20m

Sofia

Thu 3/11

6:00 am-3:26 pm

2 stops41h 26m

$704

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 44% 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

$646

Fastest flight time

15h 30m

Direct flights

None
The best flight deal from St. Louis to Bulgaria found on momondo in the last 72 hours is $646
The fastest flight from St. Louis to Bulgaria takes 15h 30m
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 $557Free CancellationRating
7.4
10,208 reviews
Search United Airlines flights
LufthansaPriceFrom $560Free CancellationRating
6.8
8,220 reviews
Search Lufthansa flights
Air CanadaPriceFrom $1,108Free CancellationRating
7.1
11,630 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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