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Cheap flights from Louisville to Bucharest from $916

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Bucharest departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Louisville to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:32 pm - 7:05 pm
SDF
-
OTP
20h 33m
2 stops
American Airlines Logo
8:15 am - 11:06 pm
OTP
-
SDF
21h 51m
2 stops
$916American Airlines
Fri, Oct 2 - Fri, Oct 9
Delta Logo
10:39 am - 12:45 pm
SDF
-
OTP
19h 06m
2 stops
Delta Logo
7:05 am - 7:11 pm
OTP
-
SDF
19h 06m
2 stops
$1,225Delta
Tue, Jun 2 - Thu, Jun 18
United Airlines Logo
1:48 pm - 6:35 pm
SDF
-
OTP
21h 47m
2 stops
United Airlines Logo
6:05 am - 7:18 pm
OTP
-
SDF
20h 13m
2 stops
$1,228United Airlines
Mon, Jun 1 - Fri, Jun 19
Delta Logo
12:46 pm - 1:00 pm
SDF
-
OTP
17h 14m
2 stops
Delta Logo
7:05 am - 8:58 pm
OTP
-
SDF
20h 53m
2 stops
$1,230Delta
Sun, Jun 7 - Thu, Jun 18
Delta Logo
12:46 pm - 1:00 pm
SDF
-
OTP
17h 14m
2 stops
Delta Logo
6:00 am - 4:46 pm
OTP
-
SDF
17h 46m
2 stops
$1,237Delta
Sun, Jun 7 - Fri, Jun 19
United Airlines Logo
1:48 pm - 6:35 pm
SDF
-
OTP
21h 47m
2 stops
United Airlines Logo
6:05 am - 7:00 pm
OTP
-
SDF
19h 55m
2 stops
$1,288United Airlines
Mon, Jun 1 - Sat, Jun 20
Delta Logo
2:34 pm - 12:45 pm
SDF
-
OTP
15h 11m
2 stops
Delta Logo
7:05 am - 4:46 pm
OTP
-
SDF
16h 41m
2 stops
$1,295Delta
Thu, Jun 4 - Thu, Jun 18
Delta Logo
2:34 pm - 12:45 pm
SDF
-
OTP
15h 11m
2 stops
Delta Logo
6:00 am - 4:46 pm
OTP
-
SDF
17h 46m
2 stops
$1,302Delta
Thu, Jun 4 - Fri, Jun 19
United Airlines Logo
7:47 pm - 11:40 pm
SDF
-
OTP
20h 53m
2 stops
United Airlines Logo
6:05 am - 7:00 pm
OTP
-
SDF
19h 55m
2 stops
$1,303United Airlines
Sun, Jun 7 - Sat, Jun 20
United Airlines Logo
6:00 am - 12:00 pm
SDF
-
OTP
23h 00m
2 stops
United Airlines Logo
12:45 pm - 10:23 am
OTP
-
SDF
28h 38m
2 stops
$1,305United Airlines
Fri, Jun 5 - Fri, Jun 19

Delta flights from Louisville to Bucharest Otopeni Intl Airport

Our best Delta deals on Louisville to Bucharest Otopeni Intl Airport flight tickets
Delta
Jun 2
SDF10:39 amLouisville Intl
19h 06m
2 stops
OTP12:45 pmBucharest Otopeni Intl
Jun 18
OTP7:05 amBucharest Otopeni Intl
19h 06m
2 stops
SDF7:11 pmLouisville Intl
$1,225
Delta
Jun 7
SDF12:46 pmLouisville Intl
17h 14m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Jun 18
OTP7:05 amBucharest Otopeni Intl
20h 53m
2 stops
SDF8:58 pmLouisville Intl
$1,230
Delta
Jun 7
SDF12:46 pmLouisville Intl
17h 14m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Jun 19
OTP6:00 amBucharest Otopeni Intl
17h 46m
2 stops
SDF4:46 pmLouisville Intl
$1,237

United Airlines flights from Louisville to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Louisville to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Jun 1
SDF1:48 pmLouisville Intl
21h 47m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Jun 19
OTP6:05 amBucharest Otopeni Intl
20h 13m
2 stops
SDF7:18 pmLouisville Intl
$1,228
United Airlines
Jun 1
SDF1:48 pmLouisville Intl
21h 47m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Jun 20
OTP6:05 amBucharest Otopeni Intl
19h 55m
2 stops
SDF7:00 pmLouisville Intl
$1,288
United Airlines
Jun 7
SDF7:47 pmLouisville Intl
20h 53m
2 stops
OTP11:40 pmBucharest Otopeni Intl
Jun 20
OTP6:05 amBucharest Otopeni Intl
19h 55m
2 stops
SDF7:00 pmLouisville Intl
$1,303

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Bucharest Otopeni Intl Airport 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 May 18, 2026.
Use the filters below to find and compare flights from Louisville to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Fri 10/2

3:32 pm-7:05 pm

2 stops20h 33m

Bucharest Otopeni Intl

Fri 10/9

8:15 am-11:06 pm

2 stops21h 51m

$916

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 6/2

10:39 am-12:45 pm

2 stops19h 06m

Bucharest Otopeni Intl

Thu 6/18

7:05 am-7:11 pm

2 stops19h 06m

$1,225

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/1

1:48 pm-6:35 pm

2 stops21h 47m

Bucharest Otopeni Intl

Fri 6/19

6:05 am-7:18 pm

2 stops20h 13m

$1,228

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 6/7

12:46 pm-1:00 pm

2 stops17h 14m

Bucharest Otopeni Intl

Thu 6/18

7:05 am-8:58 pm

2 stops20h 53m

$1,230

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 6/7

12:46 pm-1:00 pm

2 stops17h 14m

Bucharest Otopeni Intl

Fri 6/19

6:00 am-4:46 pm

2 stops17h 46m

$1,237

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/1

1:48 pm-6:35 pm

2 stops21h 47m

Bucharest Otopeni Intl

Sat 6/20

6:05 am-7:00 pm

2 stops19h 55m

$1,288
Quickest round-trip

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 6/4

2:34 pm-12:45 pm

2 stops15h 11m

Bucharest Otopeni Intl

Thu 6/18

7:05 am-4:46 pm

2 stops16h 41m

$1,295

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 6/4

2:34 pm-12:45 pm

2 stops15h 11m

Bucharest Otopeni Intl

Fri 6/19

6:00 am-4:46 pm

2 stops17h 46m

$1,302

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 6/7

7:47 pm-11:40 pm

2 stops20h 53m

Bucharest Otopeni Intl

Sat 6/20

6:05 am-7:00 pm

2 stops19h 55m

$1,303

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Fri 6/5

6:00 am-12:00 pm

2 stops23h 00m

Bucharest Otopeni Intl

Fri 6/19

12:45 pm-10:23 am

2 stops28h 38m

$1,305

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Bucharest Otopeni Intl Airport

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

Cheap Louisville to Bucharest Otopeni Intl Airport (SDF to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Bucharest Otopeni Intl Airport

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Louisville to Bucharest Otopeni Intl Airport takes 14h 50m
There are no direct flights from Louisville to Bucharest Otopeni Intl Airport. There are no popular flight routes from Louisville to Bucharest Otopeni Intl Airport.
Search flight deals

Frequently asked questions about flying from Louisville to Bucharest Otopeni Intl Airport

  • How far is Louisville Intl to Bucharest Otopeni Intl by plane?

    Louisville Intl and Bucharest Otopeni Intl are 5311.4 mi apart from one another. By plane, this route typically takes 14h 50m.

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

    Prices for flights from Louisville Intl Airport to Bucharest Otopeni Intl Airport refresh daily.

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

    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 Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The necessary travel and health documents for your Bucharest Otopeni Intl Airport 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.

Frequently asked questions about flying from Louisville to Bucharest Otopeni Intl Airport

  • How do I get Price Alerts for flights from Louisville to Bucharest Otopeni Intl Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Louisville from Bucharest Otopeni Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Louisville to Bucharest Otopeni Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

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

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 Louisville to Bucharest for you.

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

momondo does allow users to show only those flights to Bucharest from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Bucharest from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Bucharest from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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