Which airports can I use when flying from St. Louis to Bucharest Otopeni Intl Airport?

Flights from St. Louis to Bucharest Otopeni Intl Airport usually depart from Lambert-St Louis (STL) and arrive at Bucharest Otopeni Intl (OTP).

What cabin classes can I book on flights from St. Louis to Bucharest Otopeni Intl Airport?

Two cabin classes are available on flights from St. Louis to Bucharest Otopeni Intl Airport: • Economy Class • Premium Economy Class

Which airports do connecting flights from St. Louis to Bucharest Otopeni Intl Airport pass through?

Connecting flights from St. Louis to Bucharest Otopeni Intl Airport most commonly pass through: • Frankfurt am Main (FRA) - 89% of one-stop connections • London Heathrow (LHR) - 11% of one-stop connections

Can I save money by using flexible dates for flights from St. Louis to Bucharest Otopeni Intl Airport?

Yes. Flexible dates can save you up to 47% on flights from St. Louis to Bucharest Otopeni Intl Airport. Friday is the cheapest departure day at $707 round-trip on average, while Saturday is the most expensive at $1,331, a difference of $624. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Bucharest Otopeni Intl Airport?

Some of the most popular sights in Bucharest Otopeni Intl Airport are Palace of the Parliament, National Theatre Bucharest and RomExpo. These are among the most viewed places in Bucharest Otopeni Intl Airport on KAYAK.

How long is a flight from St. Louis to Bucharest Otopeni Intl Airport?

A nonstop flight from St. Louis to Bucharest Otopeni Intl Airport takes 00m, covering 5,451 miles.

Do I need a passport to fly from St. Louis to Bucharest Otopeni Intl Airport?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from St. Louis to Bucharest Otopeni Intl Airport looking right now?

One-way fares from St. Louis to Bucharest Otopeni Intl Airport are currently lower than usual. Average one-way flight prices are about $565, which is 9% below the typical average for this route.

How much time can I save by choosing a different layover airport from St. Louis to Bucharest Otopeni Intl Airport?

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 14h 34m, compared with 19h 09m via London Heathrow (LHR).

What is the time difference between St. Louis and Bucharest Otopeni Intl Airport?

Bucharest Otopeni Intl Airport is 8 hours ahead of St. Louis (Eastern European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Bucharest Otopeni Intl Airport (OTP)?

Bucharest Otopeni Intl Airport (OTP) hosts 5 major car rental companies, with daily rates averaging $18 for economy cars. Top options include: • Klass Wagen • Pricecarz • Payless • Sixt • ADDCAR RENTAL

How much should I expect to pay for a St. Louis to Bucharest Otopeni Intl Airport flight?

Round-trip flights from St. Louis to Bucharest Otopeni Intl Airport range from $895 to $1,170, with an average of $1,050 over the past 12 months. Anything below $895 counts as a good deal.

What's the cheapest day of the week to fly from St. Louis to Bucharest Otopeni Intl Airport?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from St. Louis to Bucharest Otopeni Intl Airport. It’s 33% cheaper than the average day, while Saturday is the most expensive, with prices 26% higher.

Which airline is the cheapest to fly from St. Louis to Bucharest Otopeni Intl Airport?

Lufthansa ($733) and United Airlines ($755) are the cheapest airlines to fly round-trip from St. Louis to Bucharest Otopeni Intl Airport according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from St. Louis to Bucharest Otopeni Intl Airport?

Frankfurt am Main (FRA) is the most popular layover for the St. Louis to Bucharest Otopeni Intl Airport route. 89% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via FRA.

What is the cheapest layover airport when flying from St. Louis to Bucharest Otopeni Intl Airport?

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $971. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Bucharest Otopeni Intl Airport which airport offers the shortest layover?

Frankfurt am Main (FRA) had the shortest average connection time for St. Louis to Bucharest Otopeni Intl Airport layovers at 8h 49m over the past 3 months.

$469 CHEAP FLIGHTS from St. Louis to Bucharest (STL - OTP)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$728

Typical prices: $895-$1,170

Air Canada, Lufthansa

Wed 3/7Sat 3/17

STL - OTP • 2 stops

Cheapest one-way

$469

Typical prices: $350-$684

Multiple Airlines

Tue 12/4

STL - OTP • 3 stops

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Bucharest Otopeni Intl Airport. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

April

Cheapest • 46% price drop

June

Most popular

Good to know

Top layover airports

Frankfurt am Main (FRA)

Cheapest • Avg $971 (round-trip)

London Heathrow (LHR)

Shortest trip • 19h 09m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Bucharest Otopeni Intl Airport!

Flight Deals

Cheap Flights from St. Louis to Bucharest (STL-OTP)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Bucharest

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

$728Multiple Airlines

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

$733Lufthansa

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 - 3:26 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

40h 26m2 stops Frankfurt am Main Toronto Pearson Intl

$735Multiple Airlines

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

$746Lufthansa

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

$747Lufthansa

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

$754Multiple Airlines

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

$755United Airlines

Tue, Mar 9 - Tue, Mar 16

10:00 am - 2:10 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

20h 10m2 stops New York LaGuardia Paris Charles de Gaulle

6:00 am - 8:51 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

21h 51m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$755Delta

Tue, Feb 2 - Fri, Feb 5

9:05 am - 1:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

20h 50m2 stops Chicago O'Hare Intl Frankfurt am Main

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

15h 50m1 stop Frankfurt am Main

$759United Airlines

Sun, Mar 7 - Wed, Mar 17

8:50 am - 11:55 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

31h 05m2 stops Houston George Bush Intcntl Frankfurt am Main

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

15h 45m1 stop Frankfurt am Main

$760United Airlines

Recent last minute flight deals from St. Louis to Bucharest

Mon, Nov 9 - Sun, Nov 15

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

15h 45m2 stops Toronto Pearson Intl Zurich

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

15h 50m1 stop Frankfurt am Main

$1,013Multiple Airlines

Mon, Nov 9 - Sun, Nov 15

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

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

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

15h 50m1 stop Frankfurt am Main

$1,015Lufthansa

Mon, Nov 9 - Sun, Nov 15

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

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

5:55 am - 9:52 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

23h 57m2 stops Frankfurt am Main Newark

$1,020Lufthansa

Tue, Nov 10 - Sun, Nov 15

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

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

15h 50m1 stop Frankfurt am Main

$1,021United Airlines

Mon, Nov 9 - Sun, Nov 15

11:29 am - 12:30 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

17h 01m2 stops Newark Munich Franz Josef Strauss

5:55 am - 11:24 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

25h 29m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,032United Airlines

Tue, Nov 10 - Sun, Nov 15

6:00 am - 12:30 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

22h 30m2 stops Newark Munich Franz Josef Strauss

5:55 am - 4:47 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

18h 52m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,032United Airlines

Sun, Nov 8 - Sat, Nov 14

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

14h 15m1 stop Frankfurt am Main

7:15 pm - 1:45 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

26h 30m2 stops Munich Franz Josef Strauss Frankfurt am Main

$1,035Lufthansa

Mon, Nov 9 - Sun, Nov 15

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

15h 45m2 stops Toronto Pearson Intl Zurich

6:00 am - 11:24 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

25h 24m3 stops Munich Franz Josef Strauss Toronto Pearson Intl Chicago O'Hare Intl

$1,045Air Canada

Tue, Nov 10 - Fri, Nov 13

6:00 pm - 11:15 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

21h 15m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:00 am - 11:22 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

25h 22m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,208Delta

Tue, Nov 10 - Fri, Nov 13

10:05 am - 2:10 pmSTL Lambert-St Louis-OTP Bucharest Otopeni Intl

20h 05m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

2:00 pm - 11:56 pmOTP Bucharest Otopeni Intl-STL Lambert-St Louis

17h 56m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,208Delta

Booking Insights

Price, demand and travel trends for St. Louis to Bucharest Otopeni Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from St. Louis to Bucharest Otopeni Intl Airport?: Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from St. Louis to Bucharest Otopeni Intl Airport. It’s 33% cheaper than the average day, while Saturday is the most expensive, with prices 26% higher.

Find deals

Low season	January
High season	June
Cheapest flight	$469

Beat the crowds with an average 93% drop in travelers.

The most popular month to fly with an average 125% increase in travelers.

One-way flight from St. Louis to Bucharest Otopeni Intl Airport

When to book flights from St. Louis to Bucharest

Are your dates flexible? Find out the best times to travel from St. Louis to Bucharest based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Bucharest Otopeni Intl Airport?
Two cabin classes are available on flights from St. Louis to Bucharest Otopeni Intl Airport:

• Economy Class
• Premium Economy Class
How long is a flight from St. Louis to Bucharest Otopeni Intl Airport?
A nonstop flight from St. Louis to Bucharest Otopeni Intl Airport takes 00m, covering 5,451 miles.
Do I need a passport to fly from St. Louis to Bucharest Otopeni Intl Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a St. Louis to Bucharest Otopeni Intl Airport flight?
Round-trip flights from St. Louis to Bucharest Otopeni Intl Airport range from $895 to $1,170, with an average of $1,050 over the past 12 months. Anything below $895 counts as a good deal.
How are flight prices from St. Louis to Bucharest Otopeni Intl Airport looking right now?
One-way fares from St. Louis to Bucharest Otopeni Intl Airport are currently lower than usual. Average one-way flight prices are about $565, which is 9% below the typical average for this route.
What car rental options are available at Bucharest Otopeni Intl Airport (OTP)?
Bucharest Otopeni Intl Airport (OTP) hosts 5 major car rental companies, with daily rates averaging $18 for economy cars. Top options include:

• Klass Wagen
• Pricecarz
• Payless
• Sixt
• ADDCAR RENTAL
Which airports can I use when flying from St. Louis to Bucharest Otopeni Intl Airport?
Flights from St. Louis to Bucharest Otopeni Intl Airport usually depart from Lambert-St Louis (STL) and arrive at Bucharest Otopeni Intl (OTP).
Which airports do connecting flights from St. Louis to Bucharest Otopeni Intl Airport pass through?
Connecting flights from St. Louis to Bucharest Otopeni Intl Airport most commonly pass through:

• Frankfurt am Main (FRA) - 89% of one-stop connections
• London Heathrow (LHR) - 11% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Bucharest Otopeni Intl Airport?
Yes. Flexible dates can save you up to 47% on flights from St. Louis to Bucharest Otopeni Intl Airport. Friday is the cheapest departure day at $707 round-trip on average, while Saturday is the most expensive at $1,331, a difference of $624.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from St. Louis to Bucharest Otopeni Intl Airport?
Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 14h 34m, compared with 19h 09m via London Heathrow (LHR).
What is the time difference between St. Louis and Bucharest Otopeni Intl Airport?
Bucharest Otopeni Intl Airport is 8 hours ahead of St. Louis (Eastern European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Bucharest Otopeni Intl Airport?
Some of the most popular sights in Bucharest Otopeni Intl Airport are Palace of the Parliament, National Theatre Bucharest and RomExpo. These are among the most viewed places in Bucharest Otopeni Intl Airport on KAYAK.

If your dates are flexible, aim for a Friday departure and avoid flying on Saturday. On this route, Friday flights average $707, about $624 less than Saturday fares (47% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Bucharest Otopeni Intl Airport trip for April. Fares historically average $572 round-trip in that month - typically $805 less than the most expensive month, which is June (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Bucharest Otopeni Intl Airport.

• Hilton Garden Inn Bucharest Airport

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STL - OTP

$469 Find Cheap Flights from St. Louis to Bucharest - Compare and Save

Everything you should know

Cheap Flights from St. Louis to Bucharest (STL-OTP)

Recent round-trip flight deals from St. Louis to Bucharest

Recent one-way flight deals from St. Louis to Bucharest

Recent last minute flight deals from St. Louis to Bucharest

Price, demand and travel trends for St. Louis to Bucharest Otopeni Intl Airport flights

What's the cheapest day of the week to fly from St. Louis to Bucharest Otopeni Intl Airport?

Which airline is the cheapest to fly from St. Louis to Bucharest Otopeni Intl Airport?

What’s the most popular layover airport when flying from St. Louis to Bucharest Otopeni Intl Airport?

What is the cheapest layover airport when flying from St. Louis to Bucharest Otopeni Intl Airport?

When flying from St. Louis to Bucharest Otopeni Intl Airport which airport offers the shortest layover?

Key details for St. Louis to Bucharest Otopeni Intl Airport flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Bucharest

Your St. Louis to Bucharest Otopeni Intl Airport flight questions, answered

Your guide to booking St. Louis to Bucharest Otopeni Intl Airport flights

More options for your flight from St. Louis to Bucharest

Complete your trip to Bucharest with a hotel stay or car rental

Information on your arrival and departure airports

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Find direct flights to and from St. Louis and Bucharest

Flights from domestic origins to Bucharest

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Find deals for your return flight