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Cheap flights from Louisville to Serbia from $428

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Serbia departing on 10/17. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Louisville to Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 12:50 pmSDF  Louisville Intl-BEG Belgrade Nikola Tesla
23h 50m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
6:15 am - 8:52 pmBEG  Belgrade Nikola Tesla-SDF Louisville Intl
20h 37m2 stops Frankfurt am Main Chicago O'Hare Intl
$765United Airlines
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
5:30 am - 12:50 pmSDF  Louisville Intl-BEG Belgrade Nikola Tesla
25h 20m2 stops Chicago O'Hare Intl Frankfurt am Main
United Airlines Logo
6:15 am - 10:09 pmBEG  Belgrade Nikola Tesla-SDF Louisville Intl
21h 54m2 stops Frankfurt am Main Chicago O'Hare Intl
$765United Airlines
Wed, Feb 3 - Fri, Feb 5
United Airlines Logo
9:02 am - 12:50 pmSDF  Louisville Intl-BEG Belgrade Nikola Tesla
21h 48m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
United Airlines Logo
6:15 am - 11:30 pmBEG  Belgrade Nikola Tesla-SDF Louisville Intl
23h 15m2 stops Frankfurt am Main Newark
$1,112United Airlines
Sun, Nov 15 - Wed, Nov 18

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Customize your flight search to find flights from Louisville to Serbia 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 August 14, 2026.
Use the filters below to find and compare flights from Louisville to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleBelgrade

SDF Louisville Intl - BEG Belgrade Nikola Tesla

SDFBEG

Louisville Intl

Sun 11/15

7:00 am-12:50 pm

2 stops23h 50m

Belgrade Nikola Tesla

Wed 11/18

6:15 am-8:52 pm

2 stops20h 37m

$765

LouisvilleBelgrade

SDF Louisville Intl - BEG Belgrade Nikola Tesla

SDFBEG

Louisville Intl

Wed 2/3

5:30 am-12:50 pm

2 stops25h 20m

Belgrade Nikola Tesla

Fri 2/5

6:15 am-10:09 pm

2 stops21h 54m

$765

LouisvilleBelgrade

SDF Louisville Intl - BEG Belgrade Nikola Tesla

SDFBEG

Louisville Intl

Sun 11/15

9:02 am-12:50 pm

3 stops21h 48m

Belgrade Nikola Tesla

Wed 11/18

6:15 am-11:30 pm

2 stops23h 15m

$1,112
Cheapest one-way

LouisvilleBelgrade

SDF Louisville Intl - BEG Belgrade Nikola Tesla

SDFBEG

Louisville Intl

Sat 10/17

9:11 pm-11:50 am

3 stops56h 39m

$428

LouisvilleBelgrade

SDF Louisville Intl - BEG Belgrade Nikola Tesla

SDFBEG

Louisville Intl

Sat 10/17

6:16 pm-4:30 pm

2 stops40h 14m

$484
Quickest one-way

LouisvilleBelgrade

SDF Louisville Intl - BEG Belgrade Nikola Tesla

SDFBEG

Louisville Intl

Sat 10/17

5:19 pm-4:00 pm

1 stop16h 41m

$559

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Louisville 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 airline that flies from Louisville Intl to Serbia?

Lufthansa and Air Serbia are the most popular carriers operating from Louisville Intl to Serbia

Cheap Louisville to Serbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Serbia

Fastest flight time

23h 50m

Direct flights

None
The fastest flight from Louisville to Serbia takes 23h 50m
There are no direct flights from Louisville to Serbia. There are no popular flight routes from Louisville to Serbia.
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Frequently asked questions about flying from Louisville to Serbia

  • When did momondo last update prices for flights from Louisville Intl Airport to Serbia?

    Prices for flights from Louisville Intl Airport to Serbia are refreshed on a daily basis.

  • How old do you have to be to fly from Louisville Intl Airport to Serbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Serbia.

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

    The required travel and health documents for your Serbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Serbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Serbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Serbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Louisville to Serbia with flexible booking policies on momondo?

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

How can momondo help me find flights from Louisville to Serbia?

Once all potential Louisville to Serbia 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 Louisville to Serbia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Serbia 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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