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$662+ Cheap flights from Otopeni Intl (OTP) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — STL
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Otopeni Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Round-trip from

$662
(Air France)
From Bucharest Otopeni Intl to Lambert-St Louis
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Find flight deals from Otopeni Intl to St. Louis

Cheapest flights from Otopeni Intl to St. Louis
Explore the most affordable flight options available from Otopeni Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This Air France deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/132:00 pmOTP - STL
2 stops17h 37mMultiple Airlines
Sat 8/23:30 pmSTL - OTP
2 stops16h 20mMultiple Airlines
Deal found 1/30$662
This Expedia deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/137:05 pmOTP - STL
1 stop26h 50mLufthansa
Sat 8/25:18 pmSTL - OTP
2 stops22h 12mLufthansa
Deal found 1/30$769
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/136:00 amOTP - STL
3 stops21h 49mUnited Airlines
Sat 8/25:18 pmSTL - OTP
2 stops17h 17mUnited Airlines
Deal found 1/30$949

Find flights from Otopeni Intl to St. Louis within your budget

Customize your flight search to find flights from Otopeni Intl to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 2/13

2:00 pm-11:37 pm

2 stops17h 37m

Lambert-St Louis

Sat 8/2

3:30 pm-3:50 pm

2 stops16h 20m

$662

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 2/13

7:05 pm-1:55 pm

1 stop26h 50m

Lambert-St Louis

Sat 8/2

5:18 pm-11:30 pm

2 stops22h 12m

$769

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 2/13

6:00 am-7:49 pm

3 stops21h 49m

Lambert-St Louis

Sat 8/2

5:18 pm-6:35 pm

2 stops17h 17m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Best time to book a flight from Otopeni Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Otopeni Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Otopeni Intl to St. Louis

Get recent, data-driven insights about flights from Otopeni Intl to St. Louis including ideal travel times, pricing trends, and more.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated January 30, 2025.
United Airlines
7.4
Good
8,913 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

United Airlines
7.4
Good
8,913 reviews
United Airlines
7.4
Good
8,913 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Lufthansa
6.7
Okay
7,053 reviews
United Airlines
7.4
Good
8,913 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Bucharest Otopeni Intl?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Bucharest Otopeni Intl to St. Louis. 0 airlines have flights to Lambert-St Louis from Bucharest Otopeni Intl on a regular basis. Booking flights from Bucharest Otopeni Intl to Lambert-St Louis should not be difficult; the airport handles an average of 0 inbound flights from Bucharest Otopeni Intl per day.

  • What are the cheapest airlines flying from Bucharest Otopeni Intl Airport to St. Louis round-trip?

    According to our current data, Lufthansa ($769), and United Airlines ($949) offers the cheapest pricing from Bucharest Otopeni Intl Airport to St. Louis.

  • Can I find deals for flights from Otopeni Intl to St. Louis that include hotel bookings?

    Yes. In addition to deals on Otopeni Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Otopeni Intl to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Otopeni Intl to St. Louis.

  • Can I find deals for business class flights from Otopeni Intl to St. Louis?

    Yes. Cheapflights offers flight deals from Otopeni Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to St. Louis (average of $311). Flying from Bucharest Otopeni Intl Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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