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Cheap flights from Louisville to Serbia from $453

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 1/20. 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

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Find the cheapest flights from Louisville to Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:10 am - 12:55 pm
SDF
-
BEG
19h 45m2 stops
United Airlines Logo
6:10 am - 7:54 pm
BEG
-
SDF
19h 44m2 stops
$584United Airlines
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
9:50 am - 12:55 pm
SDF
-
BEG
21h 05m2 stops
United Airlines Logo
1:50 pm - 10:30 pm
BEG
-
SDF
38h 40m2 stops
$604United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
3:30 pm - 3:45 pm
SDF
-
BEG
18h 15m2 stops
United Airlines Logo
4:55 pm - 8:00 pm
BEG
-
SDF
33h 05m2 stops
$654United Airlines
Fri, Apr 3 - Mon, Apr 13
Air Canada Logo
9:07 am - 12:20 pm
SDF
-
BEG
21h 13m3 stops
Air Canada Logo
6:15 am - 10:30 pm
BEG
-
SDF
22h 15m3 stops
$1,085Air Canada
Fri, Apr 3 - Mon, Apr 13

United Airlines flights from Louisville to Serbia

Our best United Airlines deals on Louisville to Serbia flight tickets
United Airlines
Feb 6
SDF11:10 amLouisville Intl
19h 45m
2 stops
BEG12:55 pmBelgrade Nikola Tesla
Feb 10
BEG6:10 amBelgrade Nikola Tesla
19h 44m
2 stops
SDF7:54 pmLouisville Intl
$584
Find similar
United Airlines
Jan 30
SDF9:50 amLouisville Intl
21h 05m
2 stops
BEG12:55 pmBelgrade Nikola Tesla
Feb 3
BEG1:50 pmBelgrade Nikola Tesla
38h 40m
2 stops
SDF10:30 pmLouisville Intl
$604
Find similar
United Airlines
Apr 3
SDF3:30 pmLouisville Intl
18h 15m
2 stops
BEG3:45 pmBelgrade Nikola Tesla
Apr 13
BEG4:55 pmBelgrade Nikola Tesla
33h 05m
2 stops
SDF8:00 pmLouisville Intl
$654
Find similar

momondo Fare Finder

 
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 December 22, 2025.
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

LouisvilleBelgrade

SDF - BEG

SDFBEG

Louisville Intl

Fri 2/6

11:10 am-12:55 pm

2 stops19h 45m

Belgrade Nikola Tesla

Tue 2/10

6:10 am-7:54 pm

2 stops19h 44m

$584

LouisvilleBelgrade

SDF - BEG

SDFBEG

Louisville Intl

Fri 1/30

9:50 am-12:55 pm

2 stops21h 05m

Belgrade Nikola Tesla

Tue 2/3

1:50 pm-10:30 pm

2 stops38h 40m

$604

LouisvilleBelgrade

SDF - BEG

SDFBEG

Louisville Intl

Fri 4/3

3:30 pm-3:45 pm

2 stops18h 15m

Belgrade Nikola Tesla

Mon 4/13

4:55 pm-8:00 pm

2 stops33h 05m

$654

LouisvilleBelgrade

SDF - BEG

SDFBEG

Louisville Intl

Fri 4/3

9:07 am-12:20 pm

3 stops21h 13m

Belgrade Nikola Tesla

Mon 4/13

6:15 am-10:30 pm

3 stops22h 15m

$1,085

LouisvilleBelgrade

SDF - BEG

SDFBEG

Louisville Intl

Tue 1/20

12:22 pm-11:55 am

2 stops17h 33m

$453

LouisvilleBelgrade

SDF - BEG

SDFBEG

Louisville Intl

Tue 1/20

3:36 pm-10:05 pm

3 stops48h 29m

$497

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Serbia from

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 day to depart on your flight to Serbia?

According to our data, Saturday is the cheapest day to fly to Serbia from Louisville. The lowest ticket price found for a Saturday departure recently was $876. 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 Wednesday, with ticket prices averaging around $973.

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

18h 15m

Direct flights

None
The fastest flight from Louisville to Serbia takes 18h 15m
There are no direct flights from Louisville to Serbia. There are no popular flight routes from Louisville to Serbia.
Search flight deals

  • 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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