What is the cheapest airline that flies from Missouri to Bucharest?

British Airways and Air Canada are the most popular carriers operating from Missouri to Bucharest

How long does it take to fly to Bucharest?

Flight times from Missouri to Bucharest vary, but if you’re flying out of St. Louis and flying into Bucharest Otopeni Intl Airport (one of the most popular routes), then the duration is 14h 15m on average. Another popular route from Missouri to Bucharest is flying from Columbia to Bucharest Otopeni Intl Airport, which will take roughly 18h 19m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Missouri to Bucharest?

Prices for flights from Missouri to Bucharest are refreshed on a daily basis.

How many operators does momondo search for flights from Missouri to Bucharest?

The number of operators available for flights from Missouri to Bucharest is 2 as of October 2026.

How old do you have to be to fly from Missouri 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 Missouri to Bucharest.

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

The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$552 Cheap Flights from Missouri to Bucharest in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Bucharest

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

14h 15m1 stop Frankfurt am Main

6:00 am - 2:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

15h 45m1 stop Frankfurt am Main

$744Lufthansa

Sun, Mar 7 - Wed, Mar 17

3:40 pm - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

14h 15m1 stop Frankfurt am Main

6:00 am - 2:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

15h 45m1 stop Frankfurt am Main

$745Lufthansa

Sun, Mar 7 - Wed, Mar 17

4:05 pm - 3:50 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

15h 45m2 stops Toronto Pearson Intl Zurich

6:00 am - 2:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

15h 45m1 stop Frankfurt am Main

$745Multiple Airlines

Sun, Mar 7 - Wed, Mar 17

2:18 pm - 3:50 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

17h 32m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:00 am - 4:50 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

17h 50m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$745Multiple Airlines

Sun, Mar 7 - Wed, Mar 17

5:45 pm - 11:15 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

21h 30m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:00 am - 4:50 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

17h 50m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$746Delta

Sun, Mar 7 - Wed, Mar 17

8:30 am - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

21h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

5:55 am - 1:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

15h 50m1 stop Frankfurt am Main

$750United Airlines

Wed, Feb 3 - Fri, Feb 5

8:30 am - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

21h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

5:55 am - 1:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

15h 50m1 stop Frankfurt am Main

$751United Airlines

Wed, Feb 3 - Fri, Feb 5

8:25 am - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

21h 30m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

5:55 am - 1:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

15h 50m1 stop Frankfurt am Main

$751United Airlines

Wed, Feb 3 - Fri, Feb 5

6:50 pm - 6:30 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

15h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:00 am - 4:59 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

18h 59m2 stops Frankfurt am Main Chicago O'Hare Intl

$811Lufthansa

Sun, Nov 8 - Tue, Nov 24

3:40 pm - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

14h 15m1 stop Frankfurt am Main

6:00 am - 4:59 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

18h 59m2 stops Frankfurt am Main Chicago O'Hare Intl

$824Lufthansa

Sun, Nov 8 - Tue, Nov 24

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United Airlines flights from Missouri to Bucharest

Our best United Airlines deals on Missouri to Bucharest flight tickets

United Airlines

Feb 1

SGF11:22 amSpringfield-Branson

18h 33m

2 stops

OTP1:55 pmBucharest Otopeni Intl

Feb 5

OTP5:55 amBucharest Otopeni Intl

25h 49m

2 stops

SGF11:44 pmSpringfield-Branson

$759

United Airlines

Feb 1

SGF11:19 amSpringfield-Branson

18h 36m

2 stops

OTP1:55 pmBucharest Otopeni Intl

Feb 5

OTP5:55 amBucharest Otopeni Intl

25h 37m

2 stops

SGF11:32 pmSpringfield-Branson

$760

United Airlines

Nov 1

STL8:50 amLambert-St Louis

32h 10m

2 stops

OTP1:00 amBucharest Otopeni Intl

Nov 12

OTP6:00 amBucharest Otopeni Intl

41h 26m

2 stops

STL3:26 pmLambert-St Louis

$823

Lufthansa flights from Missouri to Bucharest

Our best Lufthansa deals on Missouri to Bucharest flight tickets

Lufthansa

Nov 8

STL6:50 pmLambert-St Louis

15h 40m

2 stops

OTP6:30 pmBucharest Otopeni Intl

Nov 24

OTP6:00 amBucharest Otopeni Intl

18h 59m

2 stops

STL4:59 pmLambert-St Louis

$811

Lufthansa

Nov 8

STL3:40 pmLambert-St Louis

14h 15m

1 stop

OTP1:55 pmBucharest Otopeni Intl

Nov 24

OTP6:00 amBucharest Otopeni Intl

18h 59m

2 stops

STL4:59 pmLambert-St Louis

$824

Lufthansa

Nov 8

STL3:40 pmLambert-St Louis

14h 15m

1 stop

OTP1:55 pmBucharest Otopeni Intl

Nov 24

OTP2:40 pmBucharest Otopeni Intl

31h 05m

1 stop

STL1:45 pmLambert-St Louis

$851

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

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

$744

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

$745

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

$745

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

Wed 3/17

6:00 am-4:50 pm

2 stops17h 50m

$745

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

$746

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 2/3

8:30 am-1:55 pm

2 stops21h 25m

Bucharest Otopeni Intl

Fri 2/5

5:55 am-1:45 pm

1 stop15h 50m

$750

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 2/3

8:30 am-1:55 pm

2 stops21h 25m

Bucharest Otopeni Intl

Fri 2/5

5:55 am-1:45 pm

1 stop15h 50m

$751

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Wed 2/3

8:25 am-1:55 pm

2 stops21h 30m

Bucharest Otopeni Intl

Fri 2/5

5:55 am-1:45 pm

1 stop15h 50m

$751

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 11/8

6:50 pm-6:30 pm

2 stops15h 40m

Bucharest Otopeni Intl

Tue 11/24

6:00 am-4:59 pm

2 stops18h 59m

$811

St. LouisBucharest

STL Lambert-St Louis - OTP Bucharest Otopeni Intl

STLOTP

Lambert-St Louis

Sun 11/8

3:40 pm-1:55 pm

1 stop14h 15m

Bucharest Otopeni Intl

Tue 11/24

6:00 am-4:59 pm

2 stops18h 59m

$824

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri 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

Prices

Airlines

Other information

What is the cheapest month to fly to Bucharest?

In general, February is the cheapest month to fly from Missouri 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 Missouri to Bucharest flights?

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

Cheap Missouri to Bucharest flight deals and tips

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

Best Price Found	$552
Fastest flight time	14h 15m
Direct flights	None

The best one-way flight to Bucharest from Missouri in the past 72 hours is $552. The best round-trip flight deal from Missouri to Bucharest found on momondo in the last 72 hours is $744.

The fastest flight from Missouri to Bucharest takes 14h 15m

There are no direct flights from Missouri to Bucharest. There are no popular flight routes from Missouri to Bucharest.

Search flight deals

Frequently asked questions about flying from Missouri to Bucharest

When did momondo last update prices for flights from Missouri to Bucharest?
Prices for flights from Missouri to Bucharest are refreshed on a daily basis.
How many operators does momondo search for flights from Missouri to Bucharest?
The number of operators available for flights from Missouri to Bucharest is 2 as of October 2026.
How old do you have to be to fly from Missouri 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 Missouri to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Bucharest

Compare and see reviews for airlines that fly from Missouri to Bucharest with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $574	Free Cancellation	Rating 7.4 10,279 reviews		Search United Airlines flights
Lufthansa	PriceFrom $780	Free Cancellation	Rating 6.8 8,256 reviews		Search Lufthansa flights

Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Bucharest?

It is quick and easy to find Missouri 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 Missouri to Bucharest with flexible booking policies on momondo?

Yes. All flights to Bucharest from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Bucharest?

Once you have performed a search for Missouri to Bucharest flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Bucharest, momondo offers a useful price alert feature which will track prices for flights to Bucharest from Missouri and alert you when they change.

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.

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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

Cheap flights from Missouri to Bucharest from $552

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Bucharest departing on 10/11. 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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United Airlines flights from Missouri to Bucharest

Our best United Airlines deals on Missouri to Bucharest flight tickets

Lufthansa flights from Missouri to Bucharest

Our best Lufthansa deals on Missouri to Bucharest flight tickets

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How to get the cheapest flight ticket from Missouri to Bucharest

What is the cheapest month to fly to Bucharest?

Can stopping save me money on Missouri to Bucharest flights?

What is the cheapest airline that flies from Missouri to Bucharest?

How long does it take to fly to Bucharest?

Cheap Missouri to Bucharest flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Bucharest

Best airlines flying from Missouri to Bucharest

Compare and see reviews for airlines that fly from Missouri to Bucharest with momondo

Traveling to a place near Bucharest?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Bucharest

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bucharest

List of cabin classes available on flights landing in Bucharest. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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