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Otopeni Intl

$833+ Cheap flights from Sioux Falls (FSD) 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — OTP
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Find flight deals from Sioux Falls to Otopeni Intl

Best flights from Sioux Falls to Otopeni Intl
Discover carefully curated flight deals from Sioux Falls to Otopeni Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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 3/279:00 amFSD - OTP
2 stops26h 35mUnited Airlines
Tue 3/316:05 amOTP - FSD
2 stops23h 42mUnited Airlines
Deal found 11/3$833
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/271:39 pmFSD - OTP
2 stops26h 46mAmerican Airlines
Tue 3/318:25 amOTP - FSD
2 stops21h 49mAmerican Airlines
Deal found 11/4$850

Cheap flight deals from Sioux Falls to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) 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 November 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$833
(United Airlines)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Bucharest (BUH) flights.
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From Sioux Falls Joe Foss Field to Bucharest Otopeni Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 November 5, 2025.
Use the filters below to find and compare flights from Sioux Falls to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Sioux Falls

Fly to

Otopeni Intl

Route

Depart

Return

Price

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Fri 3/27

9:00 am-6:35 pm

2 stops26h 35m

Bucharest Otopeni Intl

Tue 3/31

6:05 am-9:47 pm

2 stops23h 42m

$833

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Fri 3/27

1:39 pm-11:25 pm

2 stops26h 46m

Bucharest Otopeni Intl

Tue 3/31

8:25 am-10:14 pm

2 stops21h 49m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Best time to book a flight from Sioux Falls to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Sioux Falls 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 Sioux Falls 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 Sioux Falls to Bucharest Otopeni Intl?

    Sioux Falls Joe Foss Field (FSD) is the airport you will fly out of if you book a flight from Sioux Falls to Bucharest Otopeni Intl. You should not have trouble finding flights to Bucharest Otopeni Intl from Joe Foss Field; the airport handles an average of 0 outbound flights to Bucharest Otopeni Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Sioux Falls airport to Bucharest Otopeni Intl. It is only a 2.6 mi journey to Joe Foss Field (FSD) from Sioux Falls’s city center.

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

    Airlines like United Airlines and American Airlines fly from Sioux Falls to Bucharest Otopeni Intl Airport in about 26h 35m. The time it takes to get you to your destination can typically vary by up to 11m. Airlines will cover a distance of 5402 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux Falls 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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