Romania

$347+ Cheap flights from St. Louis (STL) to Romania

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OTP
Jun 29 — Jul 61
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Cheap flight deals from St. Louis to Romania

Cheapest flights from St. Louis to Romania
Explore the most affordable flight options available from St. Louis to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 30, 2026.

This United Airlines deal was found by Cheapflights users on 5/27. 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 11/82:00 pm
STL
-
CLJ
2 stops39h 40m
United Airlines
Thu 11/126:00 am
CLJ
-
STL
2 stops25h 25m
United Airlines
Deal found 5/27$786
This United Airlines deal was found by Cheapflights users on 5/27. 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 11/166:45 pm
STL
-
OTP
2 stops15h 50m
United Airlines
Thu 11/197:10 pm
OTP
-
STL
2 stops36h 15m
United Airlines
Deal found 5/27$800
This Air France deal was found by Cheapflights users on 5/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:10 pm
STL
-
OTP
2 stops17h 40m
Multiple Airlines
Tue 8/258:35 am
OTP
-
STL
2 stops20h 07m
Multiple Airlines
Deal found 5/27$816
This Justfly.com deal was found by Cheapflights users on 5/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:27 pm
STL
-
OTP
2 stops15h 33m
Lufthansa
Tue 8/255:15 pm
OTP
-
STL
1 stop28h 10m
Lufthansa
Deal found 5/27$823
This KAYAK deal was found by Cheapflights users on 5/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:40 am
STL
-
OTP
2 stops19h 20m
Lufthansa
Thu 9/246:05 am
OTP
-
STL
2 stops16h 06m
Lufthansa
Deal found 5/29$894
This United Airlines deal was found by Cheapflights users on 5/30. 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 9/307:30 am
STL
-
OTP
3 stops27h 05m
United Airlines
Wed 10/216:05 am
OTP
-
STL
1 stop15h 20m
United Airlines
Deal found 5/30$910
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:30 pm
STL
-
OTP
1 stop13h 20m
Lufthansa
Wed 7/156:05 am
OTP
-
STL
1 stop15h 20m
Lufthansa
Deal found 5/28$960
This United Airlines deal was found by Cheapflights users on 5/28. 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 7/54:48 pm
STL
-
OTP
2 stops24h 22m
United Airlines
Tue 7/146:05 am
OTP
-
STL
1 stop15h 20m
United Airlines
Deal found 5/28$976
This KAYAK deal was found by Cheapflights users on 5/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:30 pm
STL
-
OTP
1 stop13h 30m
Lufthansa
Wed 7/156:05 am
OTP
-
STL
1 stop15h 20m
Lufthansa
Deal found 5/28$977
This Air Canada deal was found by Cheapflights users on 5/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:10 pm
STL
-
OTP
2 stops22h 25m
Air Canada
Wed 7/151:45 pm
OTP
-
STL
2 stops36h 57m
Air Canada
Deal found 5/28$978
This Lufthansa deal was found by Cheapflights users on 5/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:55 pm
STL
-
CLJ
2 stops16h 15m
Lufthansa
Tue 6/166:00 am
CLJ
-
STL
2 stops15h 25m
Lufthansa
Deal found 5/26$1,196
This Lufthansa deal was found by Cheapflights users on 5/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:30 pm
STL
-
CLJ
2 stops25h 00m
Lufthansa
Tue 6/166:00 am
CLJ
-
STL
2 stops15h 25m
Lufthansa
Deal found 5/26$1,197

Find flight deals from St. Louis to Romania

Keep the following information in mind while searching for St. Louis to Romania flight deals. Data was last updated May 30, 2026.

Round-trip from

$786
(United Airlines)

One-way from

$347
(oojo)

Popular in

June

Cheapest in

November

Average price

$976
From Lambert-St Louis to Romania
One-way flight from Lambert-St Louis to Romania
Highest demand for flights based on searches. 29% potential increase in price ($345 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($62 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 2,558,603 searches. Data last updated May 30, 2026.
Use the filters below to find and compare flights from St. Louis to Romania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Sun 11/8

2:00 pm-1:40 pm

2 stops39h 40m

Cluj Napoca

Thu 11/12

6:00 am-11:25 pm

2 stops25h 25m

$786

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 11/16

7:30 am-6:35 pm

2 stops27h 05m

Bucharest Otopeni Intl

Thu 11/19

7:10 pm-11:25 pm

2 stops36h 15m

$800

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 8/18

2:10 pm-3:50 pm

2 stops17h 40m

Bucharest Otopeni Intl

Tue 8/25

8:35 am-8:42 pm

2 stops20h 07m

$816

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 8/18

12:27 pm-12:00 pm

2 stops15h 33m

Bucharest Otopeni Intl

Tue 8/25

5:15 pm-1:25 pm

1 stop28h 10m

$823

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 7/5

4:48 pm-1:10 am

2 stops24h 22m

Bucharest Otopeni Intl

Tue 7/14

6:05 am-1:25 pm

1 stop15h 20m

$976
Quickest round-trip

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 7/7

3:58 pm-3:50 pm

2 stops15h 52m

Bucharest Otopeni Intl

Tue 8/11

7:05 am-4:17 pm

2 stops17h 12m

$980

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 7/8

8:43 am-12:00 pm

2 stops19h 17m

Bucharest Otopeni Intl

Fri 7/17

6:15 am-5:27 pm

2 stops19h 12m

$985

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 7/6

5:33 pm-11:50 pm

2 stops22h 17m

Bucharest Otopeni Intl

Wed 7/15

6:05 am-1:25 pm

1 stop15h 20m

$989

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 7/7

3:30 pm-4:20 pm

1 stop16h 50m

Bucharest Otopeni Intl

Tue 8/11

6:15 am-8:07 pm

2 stops21h 52m

$991

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 7/6

9:06 am-1:10 am

2 stops32h 04m

Bucharest Otopeni Intl

Mon 7/13

1:50 pm-1:25 pm

1 stop31h 35m

$996

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/30

Showing 1-10 of 28 resultsSorted by cheapest first
1
2
3

Best time to book a flight from St. Louis to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania from St. Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Romania
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Romania

Get insights into the airlines that provide service to Romania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Romania. Reviews last updated May 30, 2026.
See what other customers who have flown with Delta,United Airlines, andLufthansa from St. Louis to Romania have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Romania. 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 St. Louis to Romania?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Romania.

  • How long is the flight from St. Louis to Romania?

    Departing from St. Louis to Romania will take you 15h 33m. The distance from St. Louis to Romania is about 5451 mi. This flight may include one or multiple stops.

  • What are the most popular routes from St. Louis to Romania?

  • Can I find deals for flights from St. Louis to Romania that include hotel bookings?

    Yes. In addition to deals on St. Louis to Romania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Romania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Romania.

  • Can I find deals for business class flights from St. Louis to Romania?

    Yes. Cheapflights offers flight deals from St. Louis to Romania 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

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Top 2 airlines flying from St. Louis to Romania

Discover the top 2 airlines that operate flights from St. Louis to Romania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$574Average$796FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$800Average$1,040FlexibilityNo cancel feeOn-time76%

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