Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Sofia from $828

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sofia departing on 8/3. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Sofia

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Sofia.
11:51 am - 2:00 pmSTL-SOF
18h 09m2 stops
7:00 am - 4:45 pmSOF-STL
17h 45m2 stops
Sun, Aug 3 - Wed, Aug 27
3:30 pm - 5:50 pmSTL-SOF
18h 20m1 stop
6:00 am - 8:59 pmSOF-STL
22h 59m2 stops
$829United Airlines
Find Deal
Sun, Aug 3 - Wed, Aug 27
3:30 pm - 1:05 pmSTL-SOF
13h 35m1 stop
6:15 am - 6:58 pmSOF-STL
20h 43m2 stops
$830United Airlines
Find Deal
Sun, Aug 3 - Thu, Aug 21
8:00 am - 10:50 pmSTL-SOF
30h 50m2 stops
12:45 pm - 9:48 amSOF-STL
29h 03m2 stops
$950United Airlines
Find Deal
Fri, Aug 1 - Fri, Aug 29
3:30 pm - 1:05 pmSTL-SOF
13h 35m1 stop
6:15 am - 1:30 pmSOF-STL
15h 15m1 stop
$966Lufthansa
Find Deal
Sun, Aug 3 - Wed, Aug 27
7:30 am - 6:40 pmSTL-SOF
27h 10m2 stops
6:15 am - 7:58 pmSOF-STL
21h 43m2 stops
$996Air Canada
Find Deal
Sun, May 18 - Fri, Jun 13
7:30 am - 6:40 pmSTL-SOF
27h 10m2 stops
6:15 am - 1:30 pmSOF-STL
15h 15m1 stop
$1,009United Airlines
Find Deal
Sun, May 18 - Fri, Jun 13
1:04 pm - 10:50 pmSTL-SOF
25h 46m2 stops
6:15 am - 1:30 pmSOF-STL
15h 15m1 stop
$1,010
Find Deal
Fri, Aug 1 - Fri, Aug 29
3:30 pm - 1:05 pmSTL-SOF
13h 35m1 stop
6:40 pm - 1:30 pmSOF-STL
26h 50m1 stop
$1,017Lufthansa
Find Deal
Sun, Aug 3 - Thu, Aug 21
8:43 am - 8:20 pmSTL-SOF
27h 37m2 stops
9:10 pm - 7:47 pmSOF-STL
30h 37m2 stops
$1,286British Airways
Find Deal
Sat, Aug 2 - Sun, Aug 10

Lufthansa flights from St. Louis to Sofia

Our best Lufthansa deals on St. Louis to Sofia flight tickets
Lufthansa
Aug 3
STL3:30 pmLambert-St Louis
13h 35m
1 stop
SOF1:05 pmSofia
Aug 27
SOF6:15 amSofia
15h 15m
1 stop
STL1:30 pmLambert-St Louis
Lufthansa
Aug 3
STL3:30 pmLambert-St Louis
13h 35m
1 stop
SOF1:05 pmSofia
Aug 21
SOF6:40 pmSofia
26h 50m
1 stop
STL1:30 pmLambert-St Louis
Lufthansa
Aug 2
STL5:30 pmLambert-St Louis
21h 20m
2 stops
SOF10:50 pmSofia
Aug 10
SOF6:20 amSofia
15h 10m
1 stop
STL1:30 pmLambert-St Louis

United Airlines flights from St. Louis to Sofia

Our best United Airlines deals on St. Louis to Sofia flight tickets
United Airlines
Aug 3
STL3:30 pmLambert-St Louis
18h 20m
1 stop
SOF5:50 pmSofia
Aug 27
SOF6:00 amSofia
22h 59m
2 stops
STL8:59 pmLambert-St Louis
United Airlines
Aug 3
STL3:30 pmLambert-St Louis
13h 35m
1 stop
SOF1:05 pmSofia
Aug 21
SOF6:15 amSofia
20h 43m
2 stops
STL6:58 pmLambert-St Louis
United Airlines
Aug 1
STL8:00 amLambert-St Louis
30h 50m
2 stops
SOF10:50 pmSofia
Aug 29
SOF12:45 pmSofia
29h 03m
2 stops
STL9:48 amLambert-St Louis

See travel insights to Sofia from

How to get the cheapest flight ticket from St. Louis 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

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from St. Louis is in February. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from St. Louis during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $751.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Saturday is the cheapest day to fly to Sofia from St. Louis. The lowest ticket price found for a Saturday departure recently was $1,095. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Sofia on a Friday will generally be more expensive and average around $1,306. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the morning is the cheapest time of day to fly from St. Louis to Sofia when you can find flight prices for as low as $1,199. Flying to Sofia in the morning is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,335 per ticket.

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

You are more likely to see cheaper flights to Sofia from St. Louis when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $1,085 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from St. Louis for as low as $691 on momondo.

When to book flights from St. Louis to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Sofia (STL to SOF) flight deals and tips

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

Best Price Found

$828

Fastest flight time

13h 35m

Direct flights

None

Airports in Sofia

1 airport
The best flight deal from St. Louis to Sofia found on momondo in the last 72 hours is $828
The fastest flight from St. Louis to Sofia takes 13h 35m
There are no direct flights from St. Louis to Sofia. Popular non-direct route for this connection is Lambert-St Louis Airport - Sofia Airport.
There is 1 airport near Sofia: Sofia (SOF)

  • How far is Lambert-St Louis to Sofia by plane?

    A flight from Lambert-St Louis to Sofia will travel around 5441.0 mi. 13h 35m is a normal flight duration for this route.

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

    Prices for flights from Lambert-St Louis Airport to Sofia Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sofia Airport.

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

    The travel and health documents you'll need for your trip to Sofia Airport 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 Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Sofia?


Best airlines flying from St. Louis to Sofia

Compare and see reviews for airlines that fly from St. Louis to Sofia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $711Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
LufthansaPriceFrom $765Free CancellationRating
6.7
6,956 reviews
Search Lufthansa flights
Air CanadaPriceFrom $972Free CancellationRating
7.0
8,990 reviews
Search Air Canada flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Sofia from St. Louis with this policy.

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

Once all potential St. Louis to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Sofia from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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.
1 adult
From?
To?
Wed 4/2
Wed 4/9

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo