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Cheap flights from Missouri to Bulgaria from $431

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Bulgaria departing on 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missouri to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:28 am - 11:50 am
STL
-
SOF
17h 22m
2 stops
Multiple Airlines Logo
6:20 am - 1:25 pm
SOF
-
STL
15h 05m
1 stop
$517Multiple Airlines
Wed, Mar 18 - Fri, Apr 17
Multiple Airlines Logo
4:05 pm - 10:45 pm
STL
-
SOF
23h 40m
2 stops
Multiple Airlines Logo
6:20 am - 3:24 pm
SOF
-
STL
17h 04m
2 stops
$559Multiple Airlines
Wed, Mar 18 - Fri, Apr 17
Lufthansa Logo
4:50 pm - 6:00 pm
STL
-
SOF
18h 10m
1 stop
Lufthansa Logo
6:20 am - 1:25 pm
SOF
-
STL
15h 05m
1 stop
$642Lufthansa
Wed, Mar 18 - Fri, Apr 17
Austrian Airlines Logo
6:25 am - 11:50 am
STL
-
SOF
21h 25m
2 stops
Austrian Airlines Logo
7:55 am - 9:05 pm
SOF
-
STL
20h 10m
2 stops
$700Austrian Airlines
Sat, Mar 7 - Sat, Mar 14
United Airlines Logo
7:30 am - 12:10 pm
STL
-
SOF
20h 40m
2 stops
United Airlines Logo
6:20 am - 1:25 pm
SOF
-
STL
15h 05m
1 stop
$704United Airlines
Tue, May 5 - Sun, May 17
Air Canada Logo
7:30 am - 12:10 pm
STL
-
SOF
20h 40m
2 stops
Air Canada Logo
6:10 am - 8:05 pm
SOF
-
STL
45h 55m
2 stops
$708Air Canada
Tue, May 5 - Sun, May 17
United Airlines Logo
8:00 am - 6:20 pm
MCI
-
SOF
26h 20m
3 stops
United Airlines Logo
6:10 am - 8:06 pm
SOF
-
MCI
21h 56m
2 stops
$721United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
8:00 am - 6:20 pm
MCI
-
SOF
26h 20m
3 stops
United Airlines Logo
6:05 am - 9:59 pm
SOF
-
MCI
23h 54m
2 stops
$723United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
6:00 pm - 10:45 pm
STL
-
SOF
20h 45m
2 stops
United Airlines Logo
6:10 am - 9:40 pm
SOF
-
STL
23h 30m
2 stops
$747United Airlines
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
11:25 am - 1:50 pm
STL
-
SOF
19h 25m
3 stops
Air Canada Logo
6:20 am - 3:24 pm
SOF
-
STL
17h 04m
2 stops
$762Air Canada
Wed, Mar 18 - Fri, Apr 17

Lufthansa flights from Missouri to Bulgaria

Our best Lufthansa deals on Missouri to Bulgaria flight tickets
Lufthansa
Mar 18
STL4:50 pmLambert-St Louis
18h 10m
1 stop
SOF6:00 pmSofia
Apr 17
SOF6:20 amSofia
15h 05m
1 stop
STL1:25 pmLambert-St Louis
$642
Lufthansa
Mar 20
STL4:50 pmLambert-St Louis
22h 55m
1 stop
SOF10:45 pmSofia
Apr 17
SOF6:20 amSofia
15h 05m
1 stop
STL1:25 pmLambert-St Louis
$897
Lufthansa
Mar 7
STL7:00 pmLambert-St Louis
43h 45m
2 stops
SOF10:45 pmSofia
Mar 14
SOF2:25 pmSofia
31h 30m
1 stop
STL2:55 pmLambert-St Louis
$1,028

United Airlines flights from Missouri to Bulgaria

Our best United Airlines deals on Missouri to Bulgaria flight tickets
United Airlines
May 5
STL7:30 amLambert-St Louis
20h 40m
2 stops
SOF12:10 pmSofia
May 17
SOF6:20 amSofia
15h 05m
1 stop
STL1:25 pmLambert-St Louis
$704
United Airlines
Feb 25
MCI8:00 amKansas City
26h 20m
3 stops
SOF6:20 pmSofia
Mar 1
SOF6:10 amSofia
21h 56m
2 stops
MCI8:06 pmKansas City
$721
United Airlines
Feb 25
MCI1:50 pmKansas City
24h 55m
2 stops
SOF10:45 pmSofia
Mar 1
SOF6:05 amSofia
23h 54m
2 stops
MCI9:59 pmKansas City
$723

momondo 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, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Missouri to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 3/18

11:28 am-11:50 am

2 stops17h 22m

Sofia

Fri 4/17

6:20 am-1:25 pm

1 stop15h 05m

$517

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 3/18

4:05 pm-10:45 pm

2 stops23h 40m

Sofia

Fri 4/17

6:20 am-3:24 pm

2 stops17h 04m

$559

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 3/18

4:50 pm-6:00 pm

1 stop18h 10m

Sofia

Fri 4/17

6:20 am-1:25 pm

1 stop15h 05m

$642

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Sat 3/7

6:25 am-11:50 am

2 stops21h 25m

Sofia

Sat 3/14

7:55 am-9:05 pm

2 stops20h 10m

$700

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 5/5

7:30 am-12:10 pm

2 stops20h 40m

Sofia

Sun 5/17

6:20 am-1:25 pm

1 stop15h 05m

$704

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 5/5

7:30 am-12:10 pm

2 stops20h 40m

Sofia

Sun 5/17

6:10 am-8:05 pm

2 stops45h 55m

$708

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Wed 2/25

8:00 am-6:20 pm

3 stops26h 20m

Sofia

Sun 3/1

6:10 am-8:06 pm

2 stops21h 56m

$721

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Wed 2/25

8:00 am-6:20 pm

3 stops26h 20m

Sofia

Sun 3/1

6:05 am-9:59 pm

2 stops23h 54m

$723

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Thu 2/26

6:00 pm-10:45 pm

2 stops20h 45m

Sofia

Mon 3/2

6:10 am-9:40 pm

2 stops23h 30m

$747

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Wed 3/18

11:25 am-1:50 pm

3 stops19h 25m

Sofia

Fri 4/17

6:20 am-3:24 pm

2 stops17h 04m

$762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from Missouri 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

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $879 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Missouri for as low as $791 on momondo.

Can stopping save me money on Missouri to Bulgaria flights?

You could potentially save up to 27% on your flight if you consider stops on a Missouri to Bulgaria flight.

Cheap Missouri to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Bulgaria

Fastest flight time

18h 47m

Direct flights

None
The fastest flight from Missouri to Bulgaria takes 18h 47m
There are no direct flights from Missouri to Bulgaria. There are no popular flight routes from Missouri to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Bulgaria?

    Prices for flights from Missouri to Bulgaria were last updated today.

  • How many operators does momondo search for flights from Missouri to Bulgaria?

  • How old do you have to be to fly from Missouri 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 Missouri to Bulgaria.

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

    The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Bulgaria

Compare and see reviews for airlines that fly from Missouri to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
LufthansaPriceFrom $598Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Bulgaria?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Bulgaria. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to Bulgaria with flexible booking policies on momondo?

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

How can momondo help me find flights from Missouri to Bulgaria?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Bulgaria.

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

If you are not ready to book a flight from Missouri to Bulgaria now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bulgaria and let you know when they change.

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