$439 Cheap Flights from Louisville (SDF) to Bucharest (OTP)

View $439 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP)

Cheap Flights from Louisville to Bucharest (SDF-OTP)

Prices were available within the past 7 days and start at $439 for one-way flights and $547 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 17 - Sat, Dec 6
SDF
Louisville
OTP
Bucharest
$547 Roundtrip, found 23 hours ago
$547
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Nov 17 from Louisville to Bucharest, returning Sat, Dec 6, priced at $547 found 23 hours ago
United
Mon, Nov 24 - Thu, Dec 11
SDF
Louisville
OTP
Bucharest
$547 Roundtrip, found 23 hours ago
$547
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Nov 24 from Louisville to Bucharest, returning Thu, Dec 11, priced at $547 found 23 hours ago
United
Sun, Feb 1 - Sat, Feb 14
SDF
Louisville
OTP
Bucharest
$548 Roundtrip, found 3 days ago
$548
Roundtrip
found 3 days ago
Select United flight, departing Sun, Feb 1 from Louisville to Bucharest, returning Sat, Feb 14, priced at $548 found 3 days ago
Delta
Tue, Nov 18 - Wed, Dec 3
SDF
Louisville
OTP
Bucharest
$549 Roundtrip, found 23 hours ago
$549
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Nov 18 from Louisville to Bucharest, returning Wed, Dec 3, priced at $549 found 23 hours ago
Lufthansa
Sun, Feb 1 - Sat, Feb 14
SDF
Louisville
OTP
Bucharest
$549 Roundtrip, found 3 days ago
$549
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Feb 1 from Louisville to Bucharest, returning Sat, Feb 14, priced at $549 found 3 days ago
United
Sun, Nov 9 - Mon, Nov 17
SDF
Louisville
OTP
Bucharest
$550 Roundtrip, found 2 days ago
$550
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 9 from Louisville to Bucharest, returning Mon, Nov 17, priced at $550 found 2 days ago
United
Mon, Nov 10 - Thu, Nov 27
SDF
Louisville
OTP
Bucharest
$551 Roundtrip, found 3 days ago
$551
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 10 from Louisville to Bucharest, returning Thu, Nov 27, priced at $551 found 3 days ago
Lufthansa
Sun, Nov 9 - Sun, Nov 16
SDF
Louisville
OTP
Bucharest
$552 Roundtrip, found 3 days ago
$552
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Nov 9 from Louisville to Bucharest, returning Sun, Nov 16, priced at $552 found 3 days ago
British Airways
Sun, Nov 9 - Mon, Nov 17
SDF
Louisville
OTP
Bucharest
$553 Roundtrip, found 2 days ago
$553
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Nov 9 from Louisville to Bucharest, returning Mon, Nov 17, priced at $553 found 2 days ago
Air France
Thu, Dec 4 - Sun, Dec 14
SDF
Louisville
OTP
Bucharest
$574 Roundtrip, found 23 hours ago
$574
Roundtrip
found 23 hours ago
Select Air France flight, departing Thu, Dec 4 from Louisville to Bucharest, returning Sun, Dec 14, priced at $574 found 23 hours ago

Alternative airports near Bucharest

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Henri Coanda Intl. OTP. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $774
OTP
Henri Coanda Intl.
Cheapest
Average driving time to city center19 min
Flights from $774

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP) cost?
Secure a cheap one-way flight from $439 or cheap return flight from $547 from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP)?
November is the most affordable month to fly from SDF to OTP. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP)?
To find the cheapest airline that'll fly you from SDF to OTP, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP)?
Nonstop flights from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to OTP?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP)?
To land at Henri Coanda Intl. Airport (OTP) without delays, choose a flight that leaves from Louisville Intl. Airport (SDF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP) last-minute?
Holding off until just before your trip to book your flight from SDF to OTP often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a SDF to OTP flight and hotel package?
You can save money by booking a SDF to OTP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Henri Coanda Intl. Airport (OTP)?
If you booked your SDF to OTP flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Louisville Intl.
Destination airport
Henri Coanda Intl.
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, United
Roundtrip price
$546
Distance
5316 mi

Book with confidence

Louisville to Bucharest Flights

The cheapest times to fly from Louisville to Bucharest

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Bucharest are during the month of November. You can find some of the cheapest flights from Louisville to Bucharest with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Bucharest

Sunday is one of the best days to book for cheap flights from Louisville to Bucharest: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Bucharest

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Bucharest in 2025. You can also book with separate airlines for your outbound and return journeys, from $439 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Bucharest flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Bucharest airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Louisville to Bucharest Flights

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*Available to One Key members.