$855 Cheap Flights from Bucharest (OTP) to Sioux Falls (FSD)

View $855 flight on Sat, Jul 19, 2025Opens in a new window

Popular airlines from Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD)

Cheap Flights from Bucharest to Sioux Falls (OTP-FSD)

Prices were available within the past 7 days and start at $855 for one-way flights and $1,328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,328 Roundtrip, found 2 days ago
$1,328
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,328 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,338 Roundtrip, found 2 days ago
$1,338
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,338 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,356 Roundtrip, found 2 days ago
$1,356
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,356 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,360 Roundtrip, found 2 days ago
$1,360
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,360 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,366 Roundtrip, found 2 days ago
$1,366
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,366 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,370 Roundtrip, found 2 days ago
$1,370
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,370 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,402 Roundtrip, found 2 days ago
$1,402
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,402 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,403 Roundtrip, found 2 days ago
$1,403
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,403 found 2 days ago
Lufthansa
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$1,421 Roundtrip, found 2 days ago
$1,421
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $1,421 found 2 days ago
Qatar Airways
Sat, Jul 19 - Wed, Jul 23
OTP
Bucharest
FSD
Sioux Falls
$2,005 Roundtrip, found 2 days ago
$2,005
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Sat, Jul 19 from Bucharest to Sioux Falls, returning Wed, Jul 23, priced at $2,005 found 2 days ago

Alternative airports near Sioux Falls

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

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $1,328
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $1,328
Flights from Bucharest (OTP) to Sioux Falls (FSD)
Origin airport
Henri Coanda Intl.
Destination airport
Sioux Falls Regional
Roundtrip price
$1,328
Distance
5404 mi

Bucharest to Sioux Falls Flights

The cheapest times to fly from Bucharest to Sioux Falls

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 Bucharest to Sioux Falls are during the month of July. You can find some of the cheapest flights from Bucharest to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bucharest to Sioux Falls

Sunday is one of the best days to book for cheap flights from Bucharest to Sioux Falls: 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 Bucharest to Sioux Falls

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 Bucharest to Sioux Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $855 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 Bucharest to Sioux Falls 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 Bucharest to Sioux Falls 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.

 

Frequently asked questions

How much does a flight from Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD) cost?
Discover the latest flight deals from OTP to FSD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from OTP to FSD?
The cheapest flights from OTP to FSD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from OTP to FSD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from OTP to FSD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD)?
There aren't any daily nonstop flights from Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from OTP to FSD?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD)?
To avoid potential delays on the Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD) last-minute?
Booking your plane ticket from OTP to FSD shortly before your getaway is generally more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book an OTP to FSD flight and hotel package?
Compared with arranging hotels and flights separately, booking an OTP to FSD flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Henri Coanda Intl. Airport (OTP) to Sioux Falls Regional Airport (FSD)?
It's usually possible to cancel or reschedule your OTP to FSD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.