Cheap flights from St. Louis to Romania from $718
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Romania departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Sun 3/7
4:05 pm-3:50 pm
2 stops15h 45m
Bucharest Otopeni Intl
Wed 3/17
6:00 am-2:45 pm
1 stop15h 45m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Sun 3/7
3:40 pm-1:55 pm
1 stop14h 15m
Bucharest Otopeni Intl
Wed 3/17
6:00 am-2:45 pm
1 stop15h 45m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Sun 3/7
4:05 pm-3:50 pm
2 stops15h 45m
Bucharest Otopeni Intl
Wed 3/17
4:40 pm-3:26 pm
2 stops53h 46m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Wed 1/27
1:17 pm-6:30 pm
2 stops21h 13m
Bucharest Otopeni Intl
Thu 2/11
6:00 am-9:12 pm
2 stops23h 12m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Mon 3/8
7:04 pm-6:30 pm
2 stops15h 26m
Bucharest Otopeni Intl
Wed 3/17
6:00 am-2:45 pm
1 stop15h 45m
St. LouisCluj Napoca
STL Lambert-St Louis - CLJ Cluj Napoca
STLCLJ
Lambert-St Louis
Mon 2/1
1:17 pm-1:50 pm
2 stops16h 33m
Cluj Napoca
Thu 2/4
6:10 am-3:26 pm
2 stops41h 16m
St. LouisCluj Napoca
STL Lambert-St Louis - CLJ Cluj Napoca
STLCLJ
Lambert-St Louis
Mon 2/1
8:30 am-1:50 pm
2 stops21h 20m
Cluj Napoca
Thu 2/4
6:10 am-4:16 pm
3 stops42h 06m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Sun 3/7
5:45 pm-11:15 pm
2 stops21h 30m
Bucharest Otopeni Intl
Wed 3/17
6:00 am-4:50 pm
2 stops17h 50m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Sun 3/7
2:18 pm-3:50 pm
2 stops17h 32m
Bucharest Otopeni Intl
Thu 3/18
8:35 am-8:37 pm
2 stops19h 02m
St. LouisBucharest
STL Lambert-St Louis - OTP Bucharest Otopeni Intl
STLOTP
Lambert-St Louis
Sun 3/7
3:40 pm-1:55 pm
1 stop14h 15m
Bucharest Otopeni Intl
Fri 3/19
5:55 am-2:45 pm
1 stop15h 50m
See travel insights to Romania from
How to get the cheapest flight ticket from St. Louis to Romania
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Romania?
The cheapest month to fly to Romania from St. Louis is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of February, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $0.
Can stopping save me money on St. Louis to Romania flights?
You could potentially save up to 55% on your flight if you consider stops on a St. Louis to Romania flight.
Cheap St. Louis to Romania flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Romania
Frequently asked questions about flying from St. Louis to Romania
When did momondo last update prices for flights from Lambert-St Louis Airport to Romania?
Prices for flights from Lambert-St Louis Airport to Romania were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Romania?
As of October 2026, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Romania.
How old do you have to be to fly from Lambert-St Louis Airport to Romania?
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 Lambert-St Louis Airport to Romania.
What documentation or ID do you need to fly to Romania?
The necessary travel and health documents for your Romania trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Romania
Compare and see reviews for airlines that fly from St. Louis to Romania with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $574 | Free Cancellation | Rating 7.4 10,308 reviews | |||
| PriceFrom $780 | Free Cancellation | Rating 6.8 8,267 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Romania?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Romania from St. Louis.
Can I find flights from St. Louis to Romania with flexible booking policies on momondo?
momondo does allow users to show only those flights to Romania from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to Romania?
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 Romania from St. Louis.
I’m not ready to book a flight from St. Louis to Romania right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Romania from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.