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Cheap flights from Louisville to Bucharest from $576

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 Bucharest departing on 5/13. 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

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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
7:52 pm - 12:20 am
SDF
-
OTP
21h 28m
2 stops
American Airlines Logo
8:15 am - 9:30 pm
OTP
-
SDF
20h 15m
2 stops
$817American Airlines
Wed, May 13 - Wed, May 20
United Airlines Logo
2:30 pm - 12:00 pm
SDF
-
OTP
14h 30m
2 stops
United Airlines Logo
6:05 am - 7:42 pm
OTP
-
SDF
20h 37m
2 stops
$847United Airlines
Sun, May 10 - Wed, May 20
United Airlines Logo
2:30 pm - 6:35 pm
SDF
-
OTP
21h 05m
2 stops
United Airlines Logo
6:15 am - 10:50 pm
OTP
-
SDF
23h 35m
2 stops
$848United Airlines
Tue, May 12 - Thu, May 21
Delta Logo
2:40 pm - 5:20 pm
SDF
-
OTP
19h 40m
2 stops
Delta Logo
7:05 am - 9:19 pm
OTP
-
SDF
21h 14m
2 stops
$849Delta
Tue, May 12 - Fri, May 22
United Airlines Logo
10:06 am - 1:05 pm
SDF
-
OTP
19h 59m
2 stops
United Airlines Logo
1:50 pm - 11:59 pm
OTP
-
SDF
17h 09m
2 stops
$859United Airlines
Mon, May 11 - Tue, May 19
United Airlines Logo
11:11 am - 4:20 pm
SDF
-
OTP
22h 09m
2 stops
United Airlines Logo
6:15 am - 10:50 pm
OTP
-
SDF
23h 35m
2 stops
$860United Airlines
Wed, May 13 - Thu, May 21
Delta Logo
4:28 pm - 5:20 pm
SDF
-
OTP
17h 52m
2 stops
Delta Logo
7:05 am - 7:08 pm
OTP
-
SDF
19h 03m
2 stops
$874Delta
Sun, May 10 - Fri, May 22
Delta Logo
1:15 pm - 12:45 pm
SDF
-
OTP
16h 30m
2 stops
Delta Logo
7:05 am - 11:52 pm
OTP
-
SDF
23h 47m
2 stops
$894Delta
Tue, May 12 - Wed, May 20
United Airlines Logo
2:00 pm - 6:35 pm
SDF
-
OTP
21h 35m
2 stops
United Airlines Logo
6:05 am - 11:59 pm
OTP
-
SDF
24h 54m
2 stops
$897United Airlines
Sun, May 10 - Fri, May 22
Delta Logo
2:34 pm - 5:20 pm
SDF
-
OTP
19h 46m
2 stops
Delta Logo
7:05 am - 12:25 am
OTP
-
SDF
24h 20m
2 stops
$899Delta
Mon, May 11 - Thu, May 21

Delta flights from Louisville to Bucharest Otopeni Intl Airport

Our best Delta deals on Louisville to Bucharest Otopeni Intl Airport flight tickets
Delta
May 12
SDF2:40 pmLouisville Intl
19h 40m
2 stops
OTP5:20 pmBucharest Otopeni Intl
May 22
OTP7:05 amBucharest Otopeni Intl
21h 14m
2 stops
SDF9:19 pmLouisville Intl
$849
Delta
May 10
SDF4:28 pmLouisville Intl
17h 52m
2 stops
OTP5:20 pmBucharest Otopeni Intl
May 22
OTP7:05 amBucharest Otopeni Intl
19h 03m
2 stops
SDF7:08 pmLouisville Intl
$874
Delta
May 12
SDF1:15 pmLouisville Intl
16h 30m
2 stops
OTP12:45 pmBucharest Otopeni Intl
May 20
OTP7:05 amBucharest Otopeni Intl
23h 47m
2 stops
SDF11:52 pmLouisville Intl
$894

Lufthansa flights from Louisville to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Louisville to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
May 11
SDF7:56 pmLouisville Intl
22h 14m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 18
OTP6:05 amBucharest Otopeni Intl
20h 39m
2 stops
SDF7:44 pmLouisville Intl
$912
Lufthansa
May 11
SDF7:56 pmLouisville Intl
22h 14m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 18
OTP7:20 pmBucharest Otopeni Intl
35h 39m
2 stops
SDF11:59 pmLouisville Intl
$945
Lufthansa
May 10
SDF2:30 pmLouisville Intl
21h 05m
2 stops
OTP6:35 pmBucharest Otopeni Intl
May 18
OTP6:05 amBucharest Otopeni Intl
20h 39m
2 stops
SDF7:44 pmLouisville Intl
$962

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 March 28, 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

Wed 5/13

7:52 pm-12:20 am

2 stops21h 28m

Bucharest Otopeni Intl

Wed 5/20

8:15 am-9:30 pm

2 stops20h 15m

$817
Quickest round-trip

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 5/10

2:30 pm-12:00 pm

2 stops14h 30m

Bucharest Otopeni Intl

Wed 5/20

6:05 am-7:42 pm

2 stops20h 37m

$847

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 5/12

2:30 pm-6:35 pm

2 stops21h 05m

Bucharest Otopeni Intl

Thu 5/21

6:15 am-10:50 pm

2 stops23h 35m

$848

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 5/12

2:40 pm-5:20 pm

2 stops19h 40m

Bucharest Otopeni Intl

Fri 5/22

7:05 am-9:19 pm

2 stops21h 14m

$849

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 5/11

10:06 am-1:05 pm

2 stops19h 59m

Bucharest Otopeni Intl

Tue 5/19

1:50 pm-11:59 pm

2 stops17h 09m

$859

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Wed 5/13

11:11 am-4:20 pm

2 stops22h 09m

Bucharest Otopeni Intl

Thu 5/21

6:15 am-10:50 pm

2 stops23h 35m

$860

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 5/10

4:28 pm-5:20 pm

2 stops17h 52m

Bucharest Otopeni Intl

Fri 5/22

7:05 am-7:08 pm

2 stops19h 03m

$874

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 5/12

1:15 pm-12:45 pm

2 stops16h 30m

Bucharest Otopeni Intl

Wed 5/20

7:05 am-11:52 pm

2 stops23h 47m

$894

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 5/10

2:00 pm-6:35 pm

2 stops21h 35m

Bucharest Otopeni Intl

Fri 5/22

6:05 am-11:59 pm

2 stops24h 54m

$897

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 5/11

2:34 pm-5:20 pm

2 stops19h 46m

Bucharest Otopeni Intl

Thu 5/21

7:05 am-12:25 am

2 stops24h 20m

$899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from Louisville to Bucharest Otopeni Intl Airport

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 Bucharest Otopeni Intl?

Lufthansa, United Airlines, and British Airways are the most popular carriers operating from Louisville Intl to Bucharest Otopeni Intl

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

21h 28m

Direct flights

None
The fastest flight from Louisville to Bucharest Otopeni Intl Airport takes 21h 28m
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

  • 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 21h 28m.

  • 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.

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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