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Cheap flights from St. Louis to Bucharest from $333

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 3:50 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
15h 45m2 stops Toronto Pearson Intl Zurich
Air Canada Logo
6:30 am - 3:26 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
40h 56m2 stops Zurich Toronto Pearson Intl
$789Air Canada
Mon, Feb 1 - Thu, Feb 4
Lufthansa Logo
6:50 pm - 6:30 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
15h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 9:52 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
23h 52m2 stops Frankfurt am Main Newark
$793Lufthansa
Wed, Nov 4 - Tue, Nov 10
Multiple Airlines Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
Multiple Airlines Logo
2:35 pm - 3:26 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
32h 51m2 stops Frankfurt am Main Toronto Pearson Intl
$799Multiple Airlines
Wed, Nov 4 - Tue, Nov 10
Lufthansa Logo
6:50 pm - 6:30 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
15h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$802Lufthansa
Wed, Nov 4 - Wed, Nov 11
Lufthansa Logo
1:08 pm - 6:30 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
21h 22m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$802Lufthansa
Tue, Nov 3 - Wed, Nov 11
Multiple Airlines Logo
12:00 pm - 2:10 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
18h 10m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Multiple Airlines Logo
6:00 am - 5:00 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
19h 00m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$816Multiple Airlines
Tue, Nov 3 - Wed, Nov 11
Multiple Airlines Logo
4:00 pm - 3:50 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
15h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Multiple Airlines Logo
6:00 am - 5:41 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
19h 41m2 stops Amsterdam Schiphol Salt Lake City
$816Multiple Airlines
Tue, Nov 3 - Tue, Nov 10
United Airlines Logo
9:40 am - 6:30 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
24h 50m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 10:24 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
24h 24m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$820United Airlines
Mon, Nov 2 - Wed, Nov 11
United Airlines Logo
1:40 pm - 1:00 amSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
27h 20m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 11:24 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
25h 24m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$820United Airlines
Sun, Nov 1 - Thu, Nov 12
United Airlines Logo
1:00 pm - 6:30 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
21h 30m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 11:24 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
25h 24m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$820United Airlines
Mon, Nov 2 - Thu, Nov 12

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Air Canada flights from St. Louis to Bucharest

Our best Air Canada deals on St. Louis to Bucharest flight tickets
Air Canada
Feb 1
STL4:05 pmLambert-St Louis
15h 45m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Feb 4
OTP6:30 amBucharest Otopeni Intl
40h 56m
2 stops
STL3:26 pmLambert-St Louis
$789
Air Canada
Nov 4
STL4:05 pmLambert-St Louis
15h 45m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Nov 10
OTP6:55 amBucharest Otopeni Intl
23h 29m
3 stops
STL10:24 pmLambert-St Louis
$847
Air Canada
Nov 4
STL1:08 pmLambert-St Louis
18h 42m
3 stops
OTP3:50 pmBucharest Otopeni Intl
Nov 10
OTP6:55 amBucharest Otopeni Intl
23h 29m
3 stops
STL10:24 pmLambert-St Louis
$851

Delta flights from St. Louis to Bucharest

Our best Delta deals on St. Louis to Bucharest flight tickets
Delta
Nov 5
STL6:47 amLambert-St Louis
23h 23m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Nov 11
OTP6:00 amBucharest Otopeni Intl
18h 34m
2 stops
STL4:34 pmLambert-St Louis
$866
Delta
Sep 29
STL5:30 pmLambert-St Louis
21h 55m
2 stops
OTP11:25 pmBucharest Otopeni Intl
Nov 2
OTP2:00 pmBucharest Otopeni Intl
33h 37m
2 stops
STL3:37 pmLambert-St Louis
$894
Delta
Oct 1
STL10:29 amLambert-St Louis
18h 31m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Nov 4
OTP6:00 amBucharest Otopeni Intl
17h 37m
2 stops
STL3:37 pmLambert-St Louis
$959

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Bucharest that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Mon 2/1

4:05 pm-3:50 pm

2 stops15h 45m

Bucharest Otopeni Intl

Thu 2/4

6:30 am-3:26 pm

2 stops40h 56m

$789

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 11/4

6:50 pm-6:30 pm

2 stops15h 40m

Bucharest Otopeni Intl

Tue 11/10

6:00 am-9:52 pm

2 stops23h 52m

$793

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 11/4

3:40 pm-1:55 pm

1 stop14h 15m

Bucharest Otopeni Intl

Tue 11/10

2:35 pm-3:26 pm

2 stops32h 51m

$799
Quickest round-trip

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 11/4

6:50 pm-6:30 pm

2 stops15h 40m

Bucharest Otopeni Intl

Wed 11/11

6:00 am-1:45 pm

1 stop15h 45m

$802

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Tue 11/3

1:08 pm-6:30 pm

2 stops21h 22m

Bucharest Otopeni Intl

Wed 11/11

6:00 am-1:45 pm

1 stop15h 45m

$802

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Tue 11/3

12:00 pm-2:10 pm

2 stops18h 10m

Bucharest Otopeni Intl

Wed 11/11

6:00 am-5:00 pm

2 stops19h 00m

$816

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Tue 11/3

4:00 pm-3:50 pm

2 stops15h 50m

Bucharest Otopeni Intl

Tue 11/10

6:00 am-5:41 pm

2 stops19h 41m

$816

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Mon 11/2

9:40 am-6:30 pm

2 stops24h 50m

Bucharest Otopeni Intl

Wed 11/11

6:00 am-10:24 pm

2 stops24h 24m

$820

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 11/1

1:40 pm-1:00 am

2 stops27h 20m

Bucharest Otopeni Intl

Thu 11/12

6:00 am-11:24 pm

2 stops25h 24m

$820

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Mon 11/2

1:00 pm-6:30 pm

2 stops21h 30m

Bucharest Otopeni Intl

Thu 11/12

6:00 am-11:24 pm

2 stops25h 24m

$820

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from St. Louis to Bucharest

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 Bucharest?

In general, February is the cheapest month to fly from St. Louis to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Bucharest during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on St. Louis to Bucharest flights?

You could potentially save up to 50% on your flight if you consider stops on a St. Louis to Bucharest flight.

When to book flights from St. Louis to Bucharest

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

Cheap St. Louis to Bucharest (STL to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Bucharest

Best Price Found

$333

Fastest flight time

15h 34m

Direct flights

None
The best one-way flight to Bucharest from St. Louis in the past 72 hours is $333. The best round-trip flight deal from St. Louis to Bucharest found on momondo in the last 72 hours is $789.
The fastest flight from St. Louis to Bucharest takes 15h 34m
There are no direct flights from St. Louis to Bucharest. There are no popular flight routes from St. Louis to Bucharest.
Search flight deals

Frequently asked questions about flying from St. Louis to Bucharest

  • How far is Lambert-St Louis to Bucharest by plane?

    Lambert-St Louis and Bucharest are 5458.3 mi apart from one another. Flights usually cover this in 15h 34m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Bucharest?

    Prices for flights from Lambert-St Louis Airport to Bucharest are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Bucharest?

  • How old do you have to be to fly from Lambert-St Louis Airport to Bucharest?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Bucharest.

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

    The travel and health documents required for your trip to Bucharest can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Bucharest?

Best airlines flying from St. Louis to Bucharest

Compare and see reviews for airlines that fly from St. Louis to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $574Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights
LufthansaPriceFrom $984Free CancellationRating
6.8
8,198 reviews
Search Lufthansa flights

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 St. Louis to Bucharest?

It is quick and easy to find St. Louis 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 St. Louis to Bucharest with flexible booking policies on momondo?

All flight searches from St. Louis to Bucharest on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Bucharest?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Bucharest.

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Yes. momondo can track prices for St. Louis to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport