$802+ Cheap flights from Sioux Falls (FSD) to Romania
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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — OTP
Oct 5 — Oct 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sioux Falls to Romania with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sioux Falls to Romania
Cheapest
Best
Cheapest flights from Sioux Falls to RomaniaExplore the most affordable flight options available from Sioux Falls to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Sioux Falls to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 12/139:45 am -
2 stops30h 10m
Tue 12/297:10 pm -
2 stops47h 29m
Deal found 9/5![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 12/145:50 am -
2 stops34h 05m
Tue 12/297:10 pm -
2 stops47h 29m
Deal found 9/5![United Airlines logo]()
$953
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 12/157:40 am -
2 stops22h 15m
Tue 12/297:10 pm -
2 stops47h 29m
Deal found 9/5![United Airlines logo]()
$981
This BusinessClass deal was found by Cheapflights users on 9/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:14 pm -
2 stops19h 16m
Thu 12/318:15 am -
2 stops24h 31m
Deal found 9/5![British Airways logo]()
$1,040
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 12/129:45 am -
2 stops20h 10m
Tue 12/297:10 pm -
2 stops47h 29m
Deal found 9/5![United Airlines logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 12/137:40 am -
2 stops32h 15m
Wed 12/302:40 pm -
2 stops27h 59m
Deal found 9/5![United Airlines logo]()
$1,064
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:27 am -
2 stops30h 48m
Wed 12/302:00 pm -
2 stops37h 30m
Deal found 9/5![Delta logo]()
$1,076
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 12/149:45 am -
2 stops20h 10m
Wed 12/302:40 pm -
2 stops27h 59m
Deal found 9/5![United Airlines logo]()
$1,077
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 12/159:45 am -
2 stops20h 10m
Wed 12/302:40 pm -
2 stops27h 59m
Deal found 9/5![United Airlines logo]()
$1,105
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:27 am -
2 stops30h 48m
Thu 12/315:55 am -
2 stops21h 35m
Deal found 9/5![Delta logo]()
$1,134
This BusinessClass deal was found by Cheapflights users on 9/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:14 pm -
2 stops18h 51m
Thu 12/318:15 am -
2 stops24h 31m
Deal found 9/5![British Airways logo]()
$1,150
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:02 am -
2 stops25h 08m
Thu 12/315:55 am -
2 stops21h 35m
Deal found 9/5![Delta logo]()
$1,226
Best flights from Sioux Falls to RomaniaDiscover carefully curated flight deals from Sioux Falls to Romania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Sioux Falls to Romania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:00 am -
2 stops23h 55m
Fri 2/56:00 am -
2 stops25h 50m
Deal found 9/4![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 12/139:45 am -
2 stops30h 10m
Tue 12/297:10 pm -
2 stops47h 29m
Deal found 9/5![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 12/129:45 am -
2 stops20h 10m
Tue 12/297:10 pm -
2 stops47h 29m
Deal found 9/5![United Airlines logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 12/139:45 am -
2 stops20h 10m
Mon 1/42:40 pm -
2 stops39h 43m
Deal found 9/5![United Airlines logo]()
$1,382
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 12/169:45 am -
2 stops20h 10m
Wed 12/302:40 pm -
2 stops27h 59m
Deal found 9/5![United Airlines logo]()
$1,385
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 12/149:45 am -
2 stops20h 10m
Sun 1/32:40 pm -
2 stops40h 46m
Deal found 9/5![United Airlines logo]()
$1,597
Find flight deals from Sioux Falls to Romania
Keep the following information in mind while searching for Sioux Falls to Romania flight deals. Data was last updated September 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $802 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls to Romania 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 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from Sioux Falls to Romania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsBucharest
FSD Sioux Falls Joe Foss Field - OTP Bucharest Otopeni Intl
FSDOTP
Sioux Falls Joe Foss Field
Mon 2/1
6:00 am-1:55 pm
2 stops23h 55m
Bucharest Otopeni Intl
Fri 2/5
6:00 am-11:50 pm
2 stops25h 50m
$802
Sioux FallsBucharest
FSD Sioux Falls Joe Foss Field - OTP Bucharest Otopeni Intl
FSDOTP
Sioux Falls Joe Foss Field
Sun 12/13
9:45 am-11:55 pm
2 stops30h 10m
Bucharest Otopeni Intl
Tue 12/29
7:10 pm-10:39 am
2 stops47h 29m
$940
Sioux FallsBucharest
FSD Sioux Falls Joe Foss Field - OTP Bucharest Otopeni Intl
FSDOTP
Sioux Falls Joe Foss Field
Sat 12/12
9:45 am-1:55 pm
2 stops20h 10m
Bucharest Otopeni Intl
Tue 12/29
7:10 pm-10:39 am
2 stops47h 29m
$1,041
Sioux FallsBucharest
FSD Sioux Falls Joe Foss Field - OTP Bucharest Otopeni Intl
FSDOTP
Sioux Falls Joe Foss Field
Sun 12/13
9:45 am-1:55 pm
2 stops20h 10m
Bucharest Otopeni Intl
Mon 1/4
2:40 pm-10:23 pm
2 stops39h 43m
$1,382
Quickest round-trip
Sioux FallsBucharest
FSD Sioux Falls Joe Foss Field - OTP Bucharest Otopeni Intl
FSDOTP
Sioux Falls Joe Foss Field
Wed 12/16
9:45 am-1:55 pm
2 stops20h 10m
Bucharest Otopeni Intl
Wed 12/30
2:40 pm-10:39 am
2 stops27h 59m
$1,385
Sioux FallsBucharest
FSD Sioux Falls Joe Foss Field - OTP Bucharest Otopeni Intl
FSDOTP
Sioux Falls Joe Foss Field
Mon 12/14
9:45 am-1:55 pm
2 stops20h 10m
Bucharest Otopeni Intl
Sun 1/3
2:40 pm-11:26 pm
2 stops40h 46m
$1,597
Sorted by cheapest first
Best time to book a flight from Sioux Falls to Romania
Have a flexible travel schedule? Discover the best time to fly to Romania from Sioux Falls with our price prediction graph.
FSD-OTP
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.
Cheapflights Insights
Everything you need to know about your flight from Sioux Falls to Romania
FSD-RO0
FSD-OTP
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Romania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights