Cheap flights from St. Louis to Serbia from $729
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 Serbia departing on 8/8. 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 Serbia
Cheap round-trip flights
Cheap last minute flights
Lufthansa flights from St. Louis to Serbia
Our best Lufthansa deals on St. Louis to Serbia flight tickets
Delta flights from St. Louis to Serbia
Our best Delta deals on St. Louis to Serbia flight tickets
See travel insights to Serbia from
How to get the cheapest flight ticket from St. Louis to Serbia
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 Serbia?
The cheapest month to fly to Serbia from St. Louis is in February. Flight prices, which tend to average around $702, are often lower during this time because this is during the off-season. If you are unable to visit Serbia 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 Serbia?
According to our data, Monday is the cheapest day to fly to Serbia from St. Louis. The lowest ticket price found for a Monday departure recently was $894. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Serbia is Sunday, with ticket prices averaging around $1,090.
Cheap St. Louis to Serbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Serbia
When did momondo last update prices for flights from Lambert-St Louis Airport to Serbia?
Prices for flights from Lambert-St Louis Airport to Serbia were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Serbia?
As of June 2025, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Serbia.
How old do you have to be to fly from Lambert-St Louis Airport to Serbia?
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 Serbia.
What documentation or ID do you need to fly to Serbia?
The necessary travel and health documents for your Serbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Serbia
Compare and see reviews for airlines that fly from St. Louis to Serbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $574 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom $661 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $696 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $747 | Free Cancellation | Rating 7.8 1,361 reviews | |||
| PriceFrom $795 | Free Cancellation | Rating 6.8 7,149 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Serbia?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Serbia for you.
Can I find flights from St. Louis to Serbia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Serbia flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Serbia?
momondo provides multiple filters to help you find the best flight to Serbia from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Serbia right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Serbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.