STL - OTP

$392 Find Cheap Flights from St. Louis to Bucharest - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$789
Typical prices: $876-$1,170
Air Canada
Thu 2/1Sun 2/4
STL - OTP • 2 stops
Cheapest one-way
$392
Typical prices: $350-$684
Multiple Airlines
Sun 9/9
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
Insights
When to travel
November
Cheapest • 54% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Frankfurt am Main (FRA)
Cheapest • Avg $978 (round-trip)
London Heathrow (LHR)
Shortest trip • 19h 09m (one-way)
Insights
Insights
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We hope you love your trip to Bucharest Otopeni Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

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

Mon, Feb 1 - Thu, Feb 4
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
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
$794Air Canada
Wed, Oct 7 - Wed, Nov 4
Lufthansa Logo
1:29 pm - 12:00 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 31m2 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
$813Lufthansa
Wed, Oct 7 - Fri, Nov 6
Lufthansa Logo
1:29 pm - 12:00 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
14h 31m2 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
$813Lufthansa
Wed, Oct 7 - Wed, Nov 4
Delta Logo
10:00 am - 12:45 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
18h 45m2 stops New York LaGuardia Paris Charles de Gaulle
Delta Logo
6:00 am - 3:37 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
17h 37m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$816Delta
Wed, Oct 7 - Thu, Nov 5
Delta Logo
10:00 am - 12:45 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
18h 45m2 stops New York LaGuardia Paris Charles de Gaulle
Delta Logo
6:00 am - 8:14 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
22h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$816Delta
Wed, Oct 7 - Thu, Nov 5
United Airlines Logo
7:30 am - 6:35 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
27h 05m3 stops Newark Boston Logan Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 3:26 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
41h 26m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$818United Airlines
Wed, Oct 7 - Tue, Nov 3
United Airlines Logo
7:30 am - 6:35 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
27h 05m3 stops Newark Boston Logan Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 3:26 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
41h 26m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$818United Airlines
Wed, Oct 7 - Fri, Nov 6
United Airlines Logo
7:30 am - 6:35 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
27h 05m3 stops Newark Boston Logan Intl Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 9:03 amOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
35h 03m2 stops Munich Franz Josef Strauss Newark
$820United Airlines
Wed, Oct 7 - Wed, Nov 4
Lufthansa Logo
3:30 pm - 12:50 pmSTL  Lambert-St Louis-OTP Bucharest Otopeni Intl
13h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 1:45 pmOTP  Bucharest Otopeni Intl-STL Lambert-St Louis
15h 45m1 stop Frankfurt am Main
$821Lufthansa
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 from St. Louis to Bucharest Otopeni Intl Airport with more confidence.

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

Round-trip flights from St. Louis to Bucharest Otopeni Intl Airport start at $789. Prices are below average for this route right now, with typical round-trip fares ranging from $876 to $1,170. The lowest price found in the past 5 days was $789 on Air Canada.

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

Tuesday is the cheapest day of the week to fly from St. Louis to Bucharest Otopeni Intl Airport, it is 4% cheaper than the average day. Saturday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

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

Low season

February

Cheapest flight

$392
Most popular time to fly with an average 32% increase in price.
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

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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?

    Only Economy Class is available on flights from St. Louis to Bucharest Otopeni Intl Airport.

  • 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) - 81% of one-stop connections
    • London Heathrow (LHR) - 19% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    Yes. Being flexible with your travel dates can save you up to 25% on the St. Louis to Bucharest Otopeni Intl Airport route. Tuesday is the cheapest departure day at $1,006 round-trip on average, while Saturday is the most expensive at $1,331, a difference of $325. 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 Bucharest City Centre, Palace of the Parliament and Arena Națională. 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 0h 00m, covering 5,451 miles.

  • What are the earliest and latest flights from St. Louis to Bucharest Otopeni Intl Airport?

    These are the earliest and latest flight times available from St. Louis to Bucharest Otopeni Intl Airport:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $789 to $2,210. That means the highest observed fare was about 3x higher than the lowest one.

  • 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 in line with typical prices for this route. Average one-way fares are about $595.

  • 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 36m, 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 starting from around $1 for economy cars. Top options include:
    · Klass Wagen
    · Pricecarz
    · Payless
    · ADDCAR RENTAL
    · Sixt

  • 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 $876 to $1,170, with an average of $1,044 over the past 12 months. Anything below $876 counts as a good deal.

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

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $1,006 - about $325 less than Saturday (24% 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 November. Fares historically average $475 round-trip in that month - typically $902 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

Everything you need to know for your flight from St. Louis to Bucharest

Information on your arrival and departure airports

St. Louis (STL)
Otopeni Intl (OTP)