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Cheap flights from Louisville to Bucharest from $467

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 9/1. 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

Find the cheapest flights from Louisville to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 am - 6:35 pm
SDF
-
OTP
29h 15m
2 stops
United Airlines Logo
7:10 pm - 10:30 pm
OTP
-
SDF
34h 20m
2 stops
$799United Airlines
Mon, Nov 2 - Thu, Nov 5
Lufthansa Logo
6:16 pm - 6:35 pm
SDF
-
OTP
41h 19m
2 stops
Lufthansa Logo
6:15 am - 5:40 pm
OTP
-
SDF
18h 25m
2 stops
$888Lufthansa
Sat, Oct 17 - Sat, Oct 24
United Airlines Logo
5:45 pm - 12:25 pm
SDF
-
OTP
35h 40m
2 stops
United Airlines Logo
12:45 pm - 10:15 pm
OTP
-
SDF
40h 30m
2 stops
$905United Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
1:08 pm - 6:35 pm
SDF
-
OTP
22h 27m
2 stops
Multiple Airlines Logo
8:15 am - 9:25 pm
OTP
-
SDF
20h 10m
2 stops
$1,133Multiple Airlines
Tue, Sep 1 - Thu, Sep 3
Air Canada Logo
1:50 pm - 4:30 pm
SDF
-
OTP
19h 40m
3 stops
Air Canada Logo
6:05 am - 11:55 pm
OTP
-
SDF
24h 50m
3 stops
$1,448Air Canada
Sat, Oct 17 - Sat, Oct 24
Air Canada Logo
1:50 pm - 4:20 pm
SDF
-
OTP
19h 30m
3 stops
Air Canada Logo
6:05 am - 8:36 pm
OTP
-
SDF
21h 31m
3 stops
$1,497Air Canada
Tue, Sep 1 - Thu, Sep 3
Multiple Airlines Logo
2:12 pm - 2:40 pm
SDF
-
OTP
17h 28m
2 stops
Multiple Airlines Logo
12:05 pm - 1:06 pm
OTP
-
SDF
32h 01m
3 stops
$2,002Multiple Airlines
Sat, Oct 17 - Sat, Oct 24

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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
Nov 2
SDF6:20 amLouisville Intl
29h 15m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Nov 5
OTP7:10 pmBucharest Otopeni Intl
34h 20m
2 stops
SDF10:30 pmLouisville Intl
$799
United Airlines
Aug 15
SDF5:45 pmLouisville Intl
35h 40m
2 stops
OTP12:25 pmBucharest Otopeni Intl
Aug 22
OTP12:45 pmBucharest Otopeni Intl
40h 30m
2 stops
SDF10:15 pmLouisville Intl
$905

Lufthansa flights from Louisville to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Louisville to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Oct 17
SDF6:16 pmLouisville Intl
41h 19m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 24
OTP6:15 amBucharest Otopeni Intl
18h 25m
2 stops
SDF5:40 pmLouisville Intl
$888
Lufthansa
Aug 20
SDF1:56 pmLouisville Intl
28h 14m
2 stops
OTP1:10 amBucharest Otopeni Intl
Aug 27
OTP6:05 amBucharest Otopeni Intl
23h 54m
2 stops
SDF10:59 pmLouisville Intl
$922

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 July 6, 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

Mon 11/2

6:20 am-6:35 pm

2 stops29h 15m

Bucharest Otopeni Intl

Thu 11/5

7:10 pm-10:30 pm

2 stops34h 20m

$799

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sat 10/17

6:16 pm-6:35 pm

2 stops41h 19m

Bucharest Otopeni Intl

Sat 10/24

6:15 am-5:40 pm

2 stops18h 25m

$888

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sat 8/15

5:45 pm-12:25 pm

2 stops35h 40m

Bucharest Otopeni Intl

Sat 8/22

12:45 pm-10:15 pm

2 stops40h 30m

$905

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 9/1

1:08 pm-6:35 pm

2 stops22h 27m

Bucharest Otopeni Intl

Thu 9/3

8:15 am-9:25 pm

2 stops20h 10m

$1,133

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sat 10/17

1:50 pm-4:30 pm

3 stops19h 40m

Bucharest Otopeni Intl

Sat 10/24

6:05 am-11:55 pm

3 stops24h 50m

$1,448
Quickest round-trip

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 9/1

1:50 pm-4:20 pm

3 stops19h 30m

Bucharest Otopeni Intl

Thu 9/3

6:05 am-8:36 pm

3 stops21h 31m

$1,497

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Sat 10/17

2:12 pm-2:40 pm

2 stops17h 28m

Bucharest Otopeni Intl

Sat 10/24

12:05 pm-1:06 pm

3 stops32h 01m

$2,002
Cheapest one-way
Quickest one-way

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 9/1

10:34 am-12:45 pm

2 stops19h 11m

$467

LouisvilleBucharest

SDF - OTP

SDFOTP

Louisville Intl

Tue 9/1

1:50 pm-4:20 pm

3 stops19h 30m

$735

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?

Delta and Air Canada 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 39m

Direct flights

None
The fastest flight from Louisville to Bucharest Otopeni Intl Airport takes 21h 39m
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 21h 39m.

  • 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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