OTP - STL

$568 Find Cheap Flights from Bucharest to St. Louis - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,113
Typical prices: $912-$1,127
British Airways
Sat 1/27Wed 1/31
OTP - STL • 2 stops
Cheapest one-way
$568
Typical prices: $899-$1,454
Multiple Airlines
Sun 12/16
OTP - STL • 3 stops
Nonstop flights
There are currently no direct flights between Bucharest Otopeni Intl Airport and St. Louis. You'll need to take a connecting flight to reach the destination.
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When to travel
Cheapest • 28% price drop
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Flight Deals

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

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

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

Wed, Jan 27 - Sun, Jan 31
British Airways Logo
8:25 am - 6:41 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
18h 16m2 stops London Heathrow Boston Logan Intl
British Airways Logo
6:00 pm - 12:05 amSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
22h 05m2 stops Dallas/Fort Worth London Heathrow
$1,113British Airways
Wed, Jan 27 - Sun, Jan 31
British Airways Logo
8:25 am - 6:41 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
18h 16m2 stops London Heathrow Boston Logan Intl
British Airways Logo
6:00 pm - 12:05 amSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
22h 05m2 stops Dallas/Fort Worth London Heathrow
$1,117British Airways
Wed, Jan 27 - Sun, Jan 31
United Airlines Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
United Airlines Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
$1,141United Airlines
Wed, Jan 27 - Sun, Jan 31
United Airlines Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
United Airlines Logo
3:40 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 15m1 stop Frankfurt am Main
$1,145United Airlines
Wed, Jan 27 - Sun, Jan 31
United Airlines Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
United Airlines Logo
1:15 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
16h 40m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
$1,146United Airlines
Wed, Jan 27 - Sun, Jan 31
United Airlines Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
United Airlines Logo
1:15 pm - 1:55 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
16h 40m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
$1,150United Airlines
Booking Insights

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

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

How much is a round-trip flight from Bucharest Otopeni Intl Airport to St. Louis?

Round-trip flights from Bucharest Otopeni Intl Airport to St. Louis typically range from $912 to $1,127. The lowest price found in the past 5 days was $1,113, on British Airways.

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

Low season

November

Cheapest flight

$568
Beat the crowds with an average 88% drop in travelers.
The most popular month to fly with an average 21% increase in travelers.
One-way flight from Bucharest Otopeni Intl Airport to St. Louis

When to book flights from Bucharest to St. Louis

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

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

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

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

    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 Bucharest Otopeni Intl Airport to St. Louis flight?

    Round-trip flights from Bucharest Otopeni Intl Airport to St. Louis range from $912 to $1,127, with an average of $922 over the past 12 months. Anything below $912 counts as a good deal.

  • Have flight prices from Bucharest Otopeni Intl Airport to St. Louis changed much recently?

    Based on fares seen in the past 5 days, round-trip prices on this route were fairly steady, ranging from about $1,113 to $1,150. The highest observed fare was only about 3% higher than the lowest one.

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

    One-way fares from Bucharest Otopeni Intl Airport to St. Louis are currently lower than usual. Average one-way flight prices are about $710, which is 34% below the typical average for this route.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates averaging $77 for economy cars. Top options include:

    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

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

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

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

    Most connecting flights from Bucharest Otopeni Intl Airport to St. Louis pass through Frankfurt am Main (FRA), which handles 100% of one-stop traffic on this route.

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

    Yes. Flexible dates can save you up to 24% on flights from Bucharest Otopeni Intl Airport to St. Louis. Thursday is the cheapest departure day at $918 round-trip on average, while Wednesday is the most expensive at $1,194, a difference of $276.

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

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

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

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

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average $918, about $276 less than Wednesday fares (23% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bucharest Otopeni Intl Airport to St. Louis trip for March. Fares historically average $668 round-trip in that month - typically $627 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.

    • Renaissance St. Louis Airport Hotel
    • Drury Inn & Suites St. Louis Airport
    • Hyatt Select St. Louis Airport

More options for your flight from Bucharest to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental