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Otopeni Intl

$563+ Cheap flights from Louisville (SDF) to Otopeni Intl (OTP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — OTP
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Louisville to Otopeni Intl

Best flights from Louisville to Otopeni Intl
Discover carefully curated flight deals from Louisville to Otopeni Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:10 amSDF - OTP
2 stops19h 55mUnited Airlines
Mon 2/25:55 amOTP - SDF
2 stops20h 36mUnited Airlines
Deal found 12/14$563
This oojo deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:16 pmSDF - OTP
2 stops23h 09mBritish Airways
Fri 6/198:25 amOTP - SDF
2 stops21h 34mBritish Airways
Deal found 12/16$1,148
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:00 amSDF - OTP
2 stops20h 25mUnited Airlines
Wed 6/176:05 amOTP - SDF
2 stops21h 09mUnited Airlines
Deal found 12/15$1,096
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:20 pmSDF - OTP
2 stops21h 15mUnited Airlines
Tue 6/166:05 amOTP - SDF
2 stops23h 04mUnited Airlines
Deal found 12/15$1,145
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 pmSDF - OTP
2 stops24h 00mUnited Airlines
Tue 6/236:05 amOTP - SDF
2 stops35h 12mUnited Airlines
Deal found 12/16$1,148
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 amSDF - OTP
2 stops36h 00mUnited Airlines
Wed 6/176:05 amOTP - SDF
2 stops21h 09mUnited Airlines
Deal found 12/15$1,153
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:00 amSDF - OTP
2 stops18h 25mUnited Airlines
Tue 6/166:05 amOTP - SDF
2 stops22h 25mUnited Airlines
Deal found 12/15$1,166
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:00 amSDF - OTP
2 stops18h 25mUnited Airlines
Thu 6/185:55 amOTP - SDF
2 stops21h 19mUnited Airlines
Deal found 12/15$1,166
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:00 amSDF - OTP
2 stops18h 25mUnited Airlines
Wed 6/176:05 amOTP - SDF
2 stops17h 44mUnited Airlines
Deal found 12/15$1,166
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 amSDF - OTP
2 stops29h 35mUnited Airlines
Thu 6/185:55 amOTP - SDF
2 stops17h 54mUnited Airlines
Deal found 12/15$1,179

Find flight deals from Louisville to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Otopeni Intl (OTP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$563
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Bucharest Otopeni Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Bucharest Otopeni Intl flights.
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From Louisville Intl to Bucharest Otopeni Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Otopeni Intl 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, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Louisville to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Louisville

Fly to

Otopeni Intl

Route

Depart

Return

Price

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 1/29

11:10 am-2:05 pm

2 stops19h 55m

Bucharest Otopeni Intl

Mon 2/2

5:55 am-7:31 pm

2 stops20h 36m

$563

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/1

9:00 am-12:25 pm

2 stops20h 25m

Bucharest Otopeni Intl

Wed 6/17

6:05 am-8:14 pm

2 stops21h 09m

$1,096

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sat 5/30

2:20 pm-6:35 pm

2 stops21h 15m

Bucharest Otopeni Intl

Tue 6/16

6:05 am-10:09 pm

2 stops23h 04m

$1,145

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 6/2

7:16 pm-1:25 am

2 stops23h 09m

Bucharest Otopeni Intl

Fri 6/19

8:25 am-10:59 pm

2 stops21h 34m

$1,148

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/8

6:00 pm-1:00 am

2 stops24h 00m

Bucharest Otopeni Intl

Tue 6/23

6:05 am-10:17 am

2 stops35h 12m

$1,148

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Fri 6/5

6:00 am-1:00 am

2 stops36h 00m

Bucharest Otopeni Intl

Wed 6/17

6:05 am-8:14 pm

2 stops21h 09m

$1,153

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 6/4

11:00 am-12:25 pm

2 stops18h 25m

Bucharest Otopeni Intl

Tue 6/16

6:05 am-9:30 pm

2 stops22h 25m

$1,166

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 6/4

11:00 am-12:25 pm

2 stops18h 25m

Bucharest Otopeni Intl

Thu 6/18

5:55 am-8:14 pm

2 stops21h 19m

$1,166

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 6/4

11:00 am-12:25 pm

2 stops18h 25m

Bucharest Otopeni Intl

Wed 6/17

6:05 am-4:49 pm

2 stops17h 44m

$1,166

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Wed 6/3

6:00 am-6:35 pm

2 stops29h 35m

Bucharest Otopeni Intl

Thu 6/18

5:55 am-4:49 pm

2 stops17h 54m

$1,179

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Compare providers for flights from Louisville to Otopeni Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Otopeni Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Bucharest Otopeni Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Bucharest Otopeni Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Bucharest Otopeni Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Otopeni Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Bucharest Otopeni Intl?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Bucharest Otopeni Intl from Louisville. Booking flights from Louisville Intl (SDF) to Bucharest Otopeni Intl should be relatively easy as there are 0 daily outbound flights to Bucharest Otopeni Intl from 0 different airlines.

  • How long is the flight from Louisville to Bucharest Otopeni Intl Airport?

    United Airlines can get you from Louisville to Bucharest Otopeni Intl Airport in just under 19h 55m. Your travel time can differ by up to . There are 5315 mi between Louisville and Bucharest Otopeni Intl Airport.

  • Can I find deals for flights from Louisville to Otopeni Intl that include hotel bookings?

    Yes. In addition to deals on Louisville to Otopeni Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Otopeni Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Otopeni Intl.

  • Can I find deals for business class flights from Louisville to Otopeni Intl?

    Yes. Cheapflights offers flight deals from Louisville to Otopeni Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Bucharest Otopeni Intl Airport?

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

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