Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Sioux Falls to Bucharest from $548

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Bucharest departing on 1/31. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sioux Falls to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:22 am - 2:05 pm
FSD
-
OTP
18h 43m2 stops
Lufthansa Logo
5:55 am - 9:50 pm
OTP
-
FSD
23h 55m2 stops
$548Lufthansa
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
7:30 am - 11:50 pm
FSD
-
OTP
32h 20m2 stops
United Airlines Logo
5:55 am - 5:18 pm
OTP
-
FSD
19h 23m2 stops
$563United Airlines
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
11:22 am - 2:05 pm
FSD
-
OTP
18h 43m2 stops
United Airlines Logo
5:55 am - 8:24 pm
OTP
-
FSD
22h 29m3 stops
$567United Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
11:22 am - 2:05 pm
FSD
-
OTP
18h 43m3 stops
United Airlines Logo
5:55 am - 8:24 pm
OTP
-
FSD
22h 29m3 stops
$1,007United Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
7:30 am - 2:10 pm
FSD
-
OTP
22h 40m3 stops
United Airlines Logo
5:55 am - 5:18 pm
OTP
-
FSD
19h 23m2 stops
$1,778United Airlines
Fri, Feb 6 - Tue, Feb 10

Lufthansa flights from Sioux Falls to Bucharest

Our best Lufthansa deals on Sioux Falls to Bucharest flight tickets
Lufthansa
Jan 31
FSD11:22 amSioux Falls Joe Foss Field
18h 43m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Feb 7
OTP5:55 amBucharest Otopeni Intl
23h 55m
2 stops
FSD9:50 pmSioux Falls Joe Foss Field
$548
Find similar
Lufthansa
Dec 23
FSD5:12 pmSioux Falls Joe Foss Field
46h 43m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Jan 9
OTP5:55 amBucharest Otopeni Intl
23h 55m
2 stops
FSD9:50 pmSioux Falls Joe Foss Field
$874
Find similar

United Airlines flights from Sioux Falls to Bucharest

Our best United Airlines deals on Sioux Falls to Bucharest flight tickets
United Airlines
Feb 6
FSD7:30 amSioux Falls Joe Foss Field
32h 20m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Feb 10
OTP5:55 amBucharest Otopeni Intl
19h 23m
2 stops
FSD5:18 pmSioux Falls Joe Foss Field
$563
Find similar
United Airlines
Jan 31
FSD11:22 amSioux Falls Joe Foss Field
18h 43m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Feb 7
OTP5:55 amBucharest Otopeni Intl
22h 29m
3 stops
FSD8:24 pmSioux Falls Joe Foss Field
$567
Find similar
United Airlines
Jan 31
FSD11:22 amSioux Falls Joe Foss Field
18h 43m
3 stops
OTP2:05 pmBucharest Otopeni Intl
Feb 7
OTP5:55 amBucharest Otopeni Intl
22h 29m
3 stops
FSD8:24 pmSioux Falls Joe Foss Field
$1,007
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Bucharest 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 December 22, 2025.
Use the filters below to find and compare flights from Sioux Falls to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Sat 1/31

11:22 am-2:05 pm

2 stops18h 43m

Bucharest Otopeni Intl

Sat 2/7

5:55 am-9:50 pm

2 stops23h 55m

$548

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Fri 2/6

7:30 am-11:50 pm

2 stops32h 20m

Bucharest Otopeni Intl

Tue 2/10

5:55 am-5:18 pm

2 stops19h 23m

$563

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Sat 1/31

11:22 am-2:05 pm

2 stops18h 43m

Bucharest Otopeni Intl

Sat 2/7

5:55 am-8:24 pm

3 stops22h 29m

$567

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Sat 1/31

11:22 am-2:05 pm

3 stops18h 43m

Bucharest Otopeni Intl

Sat 2/7

5:55 am-8:24 pm

3 stops22h 29m

$1,007

Sioux FallsBucharest

FSD - OTP

FSDOTP

Sioux Falls Joe Foss Field

Fri 2/6

7:30 am-2:10 pm

3 stops22h 40m

Bucharest Otopeni Intl

Tue 2/10

5:55 am-5:18 pm

2 stops19h 23m

$1,778

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Sioux Falls to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Bucharest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Bucharest (FSD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Bucharest

Fastest flight time

18h 43m

Direct flights

None
The fastest flight from Sioux Falls to Bucharest takes 18h 43m
There are no direct flights from Sioux Falls to Bucharest. There are no popular flight routes from Sioux Falls to Bucharest.
Search flight deals

  • How far is Sioux Falls Joe Foss Field to Bucharest by plane?

    A flight from Sioux Falls Joe Foss Field to Bucharest will travel around 5410.7 mi. A reasonable flight in good conditions will take 18h 43m.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Bucharest?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Bucharest refresh daily.

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Bucharest?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Sioux Falls to Bucharest?

    Confirm your travel details to search for the latest offers for flights from Sioux Falls to Bucharest. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Sioux Falls to Bucharest with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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 Sioux Falls to Bucharest?

It is quick and easy to find Sioux Falls to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Sioux Falls to Bucharest with flexible booking policies on momondo?

momondo does allow users to show only those flights to Bucharest from Sioux Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux Falls to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Sioux Falls.

I’m not ready to book a flight from Sioux Falls to Bucharest right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sioux Falls to Bucharest flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/21
Wed 1/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport