What is the cheapest day to fly from Billund to St. Louis?

Travelers seeking maximum savings on their Billund to St. Louis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Billund to St. Louis?

Thursday flights are found to be more expensive to fly from Billund to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

What is the cheapest month to fly from Billund to St. Louis?

Flights from Billund to St. Louis lean towards being more expensive in July. Prices are generally better when you fly from Billund to St. Louis in March, with the cheapest ticket starting at $357.

What is the cheapest time of day to fly from BLL to STL?

One of the essential ways to save on airfare from Billund to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.

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

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

How can I find direct flights from Billund to St. Louis?

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

Can I find deals for business class flights from Billund to St. Louis?

Yes. Cheapflights offers flight deals from Billund 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.

$506+ Flights from Billund to St. Louis

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Cheap flight deals from Billund to St. Louis

Round-trip from	$506 (Lufthansa)
Popular in	July
Cheapest in	March
Average price	$564

From Billund to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($185 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

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Find flight deals from Billund to St. Louis

Cheapest flights from Billund to St. Louis
Explore the most affordable flight options available from Billund to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Thu 12/46:30 amBLL - STL

2 stops24h 12mLufthansa

Mon 12/81:00 pmSTL - BLL

2 stops13h 40mLufthansa

Deal found 8/15

$506

Thu 9/1811:55 amBLL - STL

2 stops18h 29mDelta

Mon 9/292:15 pmSTL - BLL

2 stops13h 50mDelta

Deal found 8/14

$555

Thu 9/186:00 amBLL - STL

2 stops16h 44mMultiple Airlines

Mon 9/291:30 pmSTL - BLL

2 stops17h 30mMultiple Airlines

Deal found 8/14

$629

Thu 9/182:40 pmBLL - STL

1 stop29h 50mLufthansa

Mon 9/295:28 pmSTL - BLL

2 stops33h 47mLufthansa

Deal found 8/14

$729

Sat 8/1612:00 pmBLL - STL

2 stops18h 22mKLM

Sat 8/233:30 pmSTL - BLL

2 stops15h 20mKLM

Deal found 8/15

$888

Sat 8/162:35 pmBLL - STL

1 stop29h 55mLufthansa

Sat 8/235:30 pmSTL - BLL

2 stops22h 45mLufthansa

Deal found 8/15

$1,445

Sat 8/163:30 pmBLL - STL

3 stops29h 00mMultiple Airlines

Sat 8/239:15 amSTL - BLL

2 stops18h 00mMultiple Airlines

Deal found 8/15

$2,396

Best flights from Billund to St. Louis
Discover carefully curated flight deals from Billund to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2025.

Thu 12/410:35 amBLL - STL

2 stops20h 07mLufthansa

Mon 12/81:00 pmSTL - BLL

2 stops13h 40mLufthansa

Deal found 8/14

$506

Thu 9/1811:55 amBLL - STL

2 stops18h 29mDelta

Mon 9/292:15 pmSTL - BLL

2 stops13h 50mDelta

Deal found 8/14

$555

Thu 9/186:00 amBLL - STL

2 stops16h 44mMultiple Airlines

Mon 9/291:30 pmSTL - BLL

2 stops17h 30mMultiple Airlines

Deal found 8/14

$629

Thu 9/182:40 pmBLL - STL

1 stop29h 50mLufthansa

Mon 9/295:28 pmSTL - BLL

2 stops33h 47mLufthansa

Deal found 8/14

$729

Last-minute flights from Billund to St. Louis
Discover last-minute flight deals from Billund to St. Louis. Data last updated August 16, 2025 and is based on user searches.

Sat 8/1612:00 pmBLL - STL

2 stops18h 22mKLM

Sat 8/233:30 pmSTL - BLL

2 stops15h 20mKLM

Deal found 8/15

$888

Sat 8/162:35 pmBLL - STL

1 stop29h 55mLufthansa

Sat 8/235:30 pmSTL - BLL

2 stops22h 45mLufthansa

Deal found 8/15

$1,445

Sat 8/163:30 pmBLL - STL

3 stops29h 00mMultiple Airlines

Sat 8/239:15 amSTL - BLL

2 stops18h 00mMultiple Airlines

Deal found 8/15

$2,396

Thu 9/1811:55 amBLL - STL

2 stops18h 29mDelta

Mon 9/292:15 pmSTL - BLL

2 stops13h 50mDelta

Deal found 8/14

$555

Thu 9/186:00 amBLL - STL

2 stops16h 44mMultiple Airlines

Mon 9/291:30 pmSTL - BLL

2 stops17h 30mMultiple Airlines

Deal found 8/14

$629

Thu 9/182:40 pmBLL - STL

1 stop29h 50mLufthansa

Mon 9/295:28 pmSTL - BLL

2 stops33h 47mLufthansa

Deal found 8/14

$729

Fly from

Fly to

Route

Depart

Return

Price

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 12/4

10:35 am-11:42 pm

2 stops20h 07m

Lambert-St Louis

Mon 12/8

1:00 pm-9:40 am

2 stops13h 40m

$506

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 9/18

11:55 am-11:24 pm

2 stops18h 29m

Lambert-St Louis

Mon 9/29

2:15 pm-11:05 am

2 stops13h 50m

$555

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 9/18

6:00 am-3:44 pm

2 stops16h 44m

Lambert-St Louis

Mon 9/29

1:30 pm-2:00 pm

2 stops17h 30m

$629

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 9/18

2:40 pm-1:30 pm

1 stop29h 50m

Lambert-St Louis

Mon 9/29

5:28 pm-10:15 am

2 stops33h 47m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Billund to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Billund 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.

Cheapflights Insights

Everything you need to know about your flight from Billund to St. Louis

What is the cheapest month to book a flight from Billund to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Billund to St. Louis (average of $311). Flying from Billund 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.

Related info for your journey

Can I find deals for flights from Billund to St. Louis that include hotel bookings?
Yes. In addition to deals on Billund to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Billund to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billund to St. Louis.
Can I find deals for business class flights from Billund to St. Louis?
Yes. Cheapflights offers flight deals from Billund 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 Billund to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Billund to St. Louis (average of $311). Flying from Billund 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.

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$506+ Cheap flights from Billund (BLL) 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Billund to St. Louis with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Billund to St. Louis

Round-trip from

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Cheapest in

Average price

Find flight deals from Billund to St. Louis

Cheapest flights from Billund to St. LouisExplore the most affordable flight options available from Billund to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Explore the most affordable flight options available from Billund to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Billund to St. Louis that are best for you.

Best time to book a flight from Billund to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Billund with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Billund to St. Louis

What is the cheapest month to book a flight from Billund to St. Louis?

Related info for your journey

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

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

How can I find direct flights from Billund to St. Louis?

Can I find deals for business class flights from Billund to St. Louis?

What is the cheapest month to book a flight from Billund to St. Louis?

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Cheapest flights from Billund to St. Louis
Explore the most affordable flight options available from Billund to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.