Cheap flights from St. Louis to Belgrade from $745
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 Belgrade departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 Belgrade
Cheap round-trip flights
United Airlines flights from St. Louis to Belgrade
Our best United Airlines deals on St. Louis to Belgrade flight tickets
Lufthansa flights from St. Louis to Belgrade
Our best Lufthansa deals on St. Louis to Belgrade flight tickets
See travel insights to Belgrade from
How to get the cheapest flight ticket from St. Louis to Belgrade
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 typical price of a round-trip flight between St. Louis and Belgrade?
What is the cheapest month to fly to Belgrade?
The month of February is, on average, the cheapest month to fly to Belgrade from St. Louis, with most prices found around $702. If you are unable to visit Belgrade during the month of February, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $795.
What is the cheapest day to depart on your flight to Belgrade?
On average, the least expensive day to fly to Belgrade from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $894. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,090. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgrade.
When to book flights from St. Louis to Belgrade
Cheap St. Louis to Belgrade (STL to BEG) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Belgrade
How far is Lambert-St Louis to Belgrade Nikola Tesla by plane?
There are 5237.0 mi between Lambert-St Louis and Belgrade Nikola Tesla. Flights usually cover this in 17h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport?
Prices for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport?
As of April 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport?
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 Belgrade Nikola Tesla Airport.
What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?
The travel and health documents required for your trip to Belgrade Nikola Tesla 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 Belgrade Nikola Tesla Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Belgrade?
Based on momondo bookings for flights between St. Louis and Belgrade, the leading airline is Lufthansa, making up 77% of the total bookings. Other popular airlines include Delta with 13% and Air Canada with 10%.
Best airlines flying from St. Louis to Belgrade
Compare and see reviews for airlines that fly from St. Louis to Belgrade with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $696 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $787 | Free Cancellation | Rating 7.0 9,029 reviews | |||
| PriceFrom $795 | Free Cancellation | Rating 6.7 6,963 reviews |
Traveling to a place near Belgrade?
Book flights to Belgrade if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Belgrade?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Belgrade. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Belgrade with flexible booking policies on momondo?
momondo does allow users to show only those flights to Belgrade 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 Belgrade?
Once all potential St. Louis to Belgrade 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 Belgrade right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of St. Louis to Belgrade flights. All you need is a valid email address and we will do the rest; it is that quick and easy.