What is the cheapest airline that flies from Missouri to Sofia?

British Airways is the most popular carrier operating from Missouri to Sofia

How long does it take to fly to Sofia?

Flight times vary depending on what airport in Missouri you fly out of and what airport in Sofia you fly into. For example, flying from St. Louis to Sofia takes 14h 57m on average. On the other hand, flying from Kansas City to Sofia takes 19h 18m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Sofia?

Lufthansa, United Airlines and Air Canada are the top three most popular airlines that fly to Sofia from Missouri according to our data. Lufthansa is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 3 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missouri to Sofia Airport?

Prices for flights from Missouri to Sofia Airport are updated daily.

How many operators does momondo search for flights from Missouri to Sofia Airport?

As of May 2026, there are 3 operators available to choose from for flights from Missouri to Sofia Airport.

How old do you have to be to fly from Missouri to Sofia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The travel and health documents required for your trip to Sofia Airport 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 Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$639 Cheap Flights from Missouri to Sofia in 2026

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Find the cheapest flights from Missouri to Sofia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:33 pm - 11:15 pm

STL

SOF

21h 42m

2 stops

6:10 am - 8:38 pm

SOF

STL

22h 28m

2 stops

$783United Airlines

Mon, Aug 10 - Tue, Aug 25

1:13 pm - 12:10 pm

STL

SOF

14h 57m

2 stops

7:00 pm - 1:25 pm

SOF

STL

26h 25m

1 stop

$785Lufthansa

Mon, Aug 10 - Mon, Aug 24

3:30 pm - 1:25 pm

STL

SOF

13h 55m

1 stop

6:10 am - 8:38 pm

SOF

STL

22h 28m

2 stops

$790United Airlines

Mon, Aug 10 - Tue, Aug 25

7:00 am - 1:05 pm

STL

SOF

22h 05m

3 stops

6:10 am - 10:00 pm

SOF

STL

23h 50m

2 stops

$795United Airlines

Tue, Aug 11 - Wed, Aug 26

12:59 pm - 11:15 pm

STL

SOF

26h 16m

2 stops

7:00 pm - 1:25 pm

SOF

STL

26h 25m

1 stop

$796Lufthansa

Tue, Aug 11 - Mon, Aug 24

3:30 pm - 1:25 pm

STL

SOF

13h 55m

1 stop

7:00 pm - 1:25 pm

SOF

STL

26h 25m

1 stop

$799Lufthansa

Mon, Aug 10 - Mon, Aug 24

12:10 pm - 6:40 pm

STL

SOF

22h 30m

2 stops

7:25 pm - 1:25 pm

SOF

STL

26h 00m

2 stops

$804Multiple Airlines

Mon, Aug 10 - Mon, Aug 24

12:10 pm - 6:40 pm

STL

SOF

22h 30m

2 stops

6:20 am - 1:25 pm

SOF

STL

15h 05m

1 stop

$818Multiple Airlines

Tue, Sep 8 - Wed, Sep 16

7:53 am - 11:00 am

MCI

SOF

19h 07m

3 stops

6:20 am - 9:47 pm

SOF

MCI

23h 27m

3 stops

$2,015Air Canada

Sat, May 30 - Fri, Jun 12

11:25 am - 1:00 pm

MCI

SOF

17h 35m

3 stops

6:20 am - 9:47 pm

SOF

MCI

23h 27m

3 stops

$2,056Air Canada

Sat, May 30 - Sat, Jun 13

Air Canada flights from Missouri to Sofia

Our best Air Canada deals on Missouri to Sofia flight tickets

Air Canada

Oct 12

STL12:10 pmLambert-St Louis

22h 30m

2 stops

SOF6:40 pmSofia

Oct 22

SOF6:30 amSofia

20h 11m

2 stops

STL6:41 pmLambert-St Louis

$841

Air Canada

Oct 11

STL8:55 amLambert-St Louis

19h 15m

2 stops

SOF12:10 pmSofia

Oct 22

SOF6:30 amSofia

20h 11m

2 stops

STL6:41 pmLambert-St Louis

$846

Air Canada

Oct 11

STL8:55 amLambert-St Louis

19h 15m

2 stops

SOF12:10 pmSofia

Oct 26

SOF2:25 pmSofia

56h 05m

2 stops

STL3:30 pmLambert-St Louis

$872

United Airlines flights from Missouri to Sofia

Our best United Airlines deals on Missouri to Sofia flight tickets

United Airlines

Aug 10

STL5:33 pmLambert-St Louis

21h 42m

2 stops

SOF11:15 pmSofia

Aug 25

SOF6:10 amSofia

22h 28m

2 stops

STL8:38 pmLambert-St Louis

$783

United Airlines

Aug 10

STL3:30 pmLambert-St Louis

13h 55m

1 stop

SOF1:25 pmSofia

Aug 25

SOF6:10 amSofia

22h 28m

2 stops

STL8:38 pmLambert-St Louis

$790

United Airlines

Aug 11

STL7:00 amLambert-St Louis

22h 05m

3 stops

SOF1:05 pmSofia

Aug 26

SOF6:10 amSofia

23h 50m

2 stops

STL10:00 pmLambert-St Louis

$795

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 8/10

5:33 pm-11:15 pm

2 stops21h 42m

Sofia

Tue 8/25

6:10 am-8:38 pm

2 stops22h 28m

$783

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 8/10

1:13 pm-12:10 pm

2 stops14h 57m

Sofia

Mon 8/24

7:00 pm-1:25 pm

1 stop26h 25m

$785

Quickest round-trip

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 8/10

3:30 pm-1:25 pm

1 stop13h 55m

Sofia

Tue 8/25

6:10 am-8:38 pm

2 stops22h 28m

$790

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 8/11

7:00 am-1:05 pm

3 stops22h 05m

Sofia

Wed 8/26

6:10 am-10:00 pm

2 stops23h 50m

$795

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 8/11

12:59 pm-11:15 pm

2 stops26h 16m

Sofia

Mon 8/24

7:00 pm-1:25 pm

1 stop26h 25m

$796

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 8/10

3:30 pm-1:25 pm

1 stop13h 55m

Sofia

Mon 8/24

7:00 pm-1:25 pm

1 stop26h 25m

$799

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Mon 8/10

12:10 pm-6:40 pm

2 stops22h 30m

Sofia

Mon 8/24

7:25 pm-1:25 pm

2 stops26h 00m

$804

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Tue 9/8

12:10 pm-6:40 pm

2 stops22h 30m

Sofia

Wed 9/16

6:20 am-1:25 pm

1 stop15h 05m

$818

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Sat 5/30

7:53 am-11:00 am

3 stops19h 07m

Sofia

Fri 6/12

6:20 am-9:47 pm

3 stops23h 27m

$2,015

Kansas CitySofia

MCI - SOF

MCISOF

Kansas City

Sat 5/30

11:25 am-1:00 pm

3 stops17h 35m

Sofia

Sat 6/13

6:20 am-9:47 pm

3 stops23h 27m

$2,056

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Sofia

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

Prices

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Other information

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Missouri is in October. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from Missouri during January instead. Flights to Sofia in January, while not as cheap as those in October, still average around $524.

Can stopping save me money on Missouri to Sofia flights?

You could potentially save up to 46% on your flight if you consider stops on a Missouri to Sofia flight.

Cheap Missouri to Sofia flight deals and tips

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

Fastest flight time	14h 57m
Direct flights	None

The fastest flight from Missouri to Sofia takes 14h 57m

There are no direct flights from Missouri to Sofia. There are no popular flight routes from Missouri to Sofia.

Search flight deals

Frequently asked questions about flying from Missouri to Sofia

When did momondo last update prices for flights from Missouri to Sofia Airport?
Prices for flights from Missouri to Sofia Airport are updated daily.
How many operators does momondo search for flights from Missouri to Sofia Airport?
As of May 2026, there are 3 operators available to choose from for flights from Missouri to Sofia Airport.
How old do you have to be to fly from Missouri to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents required for your trip to Sofia Airport 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 Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Sofia

Compare and see reviews for airlines that fly from Missouri to Sofia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $559	Free Cancellation	Rating 7.4 9,711 reviews	Search United Airlines flights
Lufthansa	PriceFrom $567	Free Cancellation	Rating 6.8 8,000 reviews	Search Lufthansa flights
Air Canada	PriceFrom $1,108	Free Cancellation	Rating 7.1 11,033 reviews	Search Air Canada flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

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

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

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

Yes. All flights to Sofia from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Missouri to Sofia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Missouri to Sofia 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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Cheap flights from Missouri to Sofia from $639

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 Sofia departing on 5/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Missouri to Sofia

What is the cheapest month to fly to Sofia?

Can stopping save me money on Missouri to Sofia flights?

What is the cheapest airline that flies from Missouri to Sofia?

What airlines fly to Sofia?

How long does it take to fly to Sofia?

Cheap Missouri to Sofia flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Sofia

Best airlines flying from Missouri to Sofia

Compare and see reviews for airlines that fly from Missouri to Sofia with momondo

Traveling to a place near Sofia?

Why use momondo?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Fly your favorite airline to Sofia

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Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.

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