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Cheap flights from Louisville to Bucharest from $419

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 5/24. 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 Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:27 pm - 1:20 am
SDF
-
OTP
27h 53m
2 stops
British Airways Logo
6:10 pm - 10:16 pm
OTP
-
SDF
35h 06m
2 stops
$956British Airways
Mon, Jun 8 - Tue, Jun 23
United Airlines Logo
6:00 am - 6:35 pm
SDF
-
OTP
29h 35m
2 stops
United Airlines Logo
6:15 am - 8:14 pm
OTP
-
SDF
20h 59m
2 stops
$966United Airlines
Wed, Jun 3 - Fri, Jul 3
United Airlines Logo
5:35 am - 12:25 pm
SDF
-
OTP
23h 50m
2 stops
United Airlines Logo
6:05 am - 10:17 am
OTP
-
SDF
35h 12m
2 stops
$987United Airlines
Mon, Jun 8 - Tue, Jun 23
United Airlines Logo
6:00 pm - 6:35 pm
SDF
-
OTP
17h 35m
2 stops
United Airlines Logo
6:05 am - 10:17 am
OTP
-
SDF
35h 12m
2 stops
$1,056United Airlines
Mon, Jun 8 - Tue, Jun 23
Air Canada Logo
9:00 am - 12:00 pm
SDF
-
OTP
20h 00m
3 stops
Air Canada Logo
6:15 am - 8:14 pm
OTP
-
SDF
20h 59m
3 stops
$1,226Air Canada
Wed, Jun 3 - Fri, Jul 3
Air Canada Logo
9:00 am - 12:00 pm
SDF
-
OTP
20h 00m
3 stops
Air Canada Logo
6:05 am - 8:14 pm
OTP
-
SDF
21h 09m
3 stops
$1,300Air Canada
Mon, Jun 8 - Tue, Jun 23
British Airways Logo
2:27 pm - 2:40 pm
SDF
-
OTP
17h 13m
2 stops
British Airways Logo
8:15 am - 10:44 pm
OTP
-
SDF
21h 29m
2 stops
$1,936British Airways
Thu, Jul 9 - Thu, Aug 6
Air Canada Logo
9:00 am - 12:00 pm
SDF
-
OTP
20h 00m
3 stops
Air Canada Logo
6:15 am - 8:14 pm
OTP
-
SDF
20h 59m
3 stops
$3,385Air Canada
Thu, Jul 9 - Thu, Aug 6

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
Feb 13
SDF2:35 pmLouisville Intl
16h 35m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Feb 17
OTP5:55 amBucharest Otopeni Intl
20h 47m
2 stops
SDF7:42 pmLouisville Intl
$812
United Airlines
Feb 13
SDF3:30 pmLouisville Intl
25h 20m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Feb 17
OTP5:55 amBucharest Otopeni Intl
20h 47m
2 stops
SDF7:42 pmLouisville Intl
$813
United Airlines
Jun 3
SDF6:00 amLouisville Intl
29h 35m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Jul 3
OTP6:15 amBucharest Otopeni Intl
20h 59m
2 stops
SDF8:14 pmLouisville Intl
$966

Air Canada flights from Louisville to Bucharest Otopeni Intl Airport

Our best Air Canada deals on Louisville to Bucharest Otopeni Intl Airport flight tickets
Air Canada
Jun 3
SDF9:00 amLouisville Intl
20h 00m
3 stops
OTP12:00 pmBucharest Otopeni Intl
Jul 3
OTP6:15 amBucharest Otopeni Intl
20h 59m
3 stops
SDF8:14 pmLouisville Intl
$1,226
Air Canada
Jun 8
SDF9:00 amLouisville Intl
20h 00m
3 stops
OTP12:00 pmBucharest Otopeni Intl
Jun 23
OTP6:05 amBucharest Otopeni Intl
21h 09m
3 stops
SDF8:14 pmLouisville Intl
$1,300
Air Canada
Jul 9
SDF9:00 amLouisville Intl
20h 00m
3 stops
OTP12:00 pmBucharest Otopeni Intl
Aug 6
OTP6:15 amBucharest Otopeni Intl
20h 59m
3 stops
SDF8:14 pmLouisville Intl
$3,385

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 February 11, 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

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/8

2:27 pm-1:20 am

2 stops27h 53m

Bucharest Otopeni Intl

Tue 6/23

6:10 pm-10:16 pm

2 stops35h 06m

$956

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Wed 6/3

6:00 am-6:35 pm

2 stops29h 35m

Bucharest Otopeni Intl

Fri 7/3

6:15 am-8:14 pm

2 stops20h 59m

$966

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/8

5:35 am-12:25 pm

2 stops23h 50m

Bucharest Otopeni Intl

Tue 6/23

6:05 am-10:17 am

2 stops35h 12m

$987

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/8

6:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

Tue 6/23

6:05 am-10:17 am

2 stops35h 12m

$1,056

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Wed 6/3

9:00 am-12:00 pm

3 stops20h 00m

Bucharest Otopeni Intl

Fri 7/3

6:15 am-8:14 pm

3 stops20h 59m

$1,226

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Mon 6/8

9:00 am-12:00 pm

3 stops20h 00m

Bucharest Otopeni Intl

Tue 6/23

6:05 am-8:14 pm

3 stops21h 09m

$1,300

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 7/9

2:27 pm-2:40 pm

2 stops17h 13m

Bucharest Otopeni Intl

Thu 8/6

8:15 am-10:44 pm

2 stops21h 29m

$1,936

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Thu 7/9

9:00 am-12:00 pm

3 stops20h 00m

Bucharest Otopeni Intl

Thu 8/6

6:15 am-8:14 pm

3 stops20h 59m

$3,385

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 5/24

5:08 pm-12:50 am

2 stops24h 42m

$419

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sun 5/24

2:27 pm-4:55 pm

3 stops43h 28m

$464

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

American Airlines is the most popular carrier 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

25h 20m

Direct flights

None
The fastest flight from Louisville to Bucharest Otopeni Intl Airport takes 25h 20m
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 25h 20m.

  • 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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