$529+ 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 8/31. 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
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Billund to Lambert-St Louis are usually found in March or February, booked 60 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Billund to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Billund (BLL) 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 June 12, 2025.
Round-trip from | $751 (Travelis) |
|---|---|
Popular in | June |
Cheapest in | March |
Average price | $1,030 |
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 June 12, 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 June 12, 2025.
This Travelis deal was found by Cheapflights users on 6/12. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ticket deal was found by Cheapflights users on 6/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelis deal was found by Cheapflights users on 6/11. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flysmarter deal was found by Cheapflights users on 6/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flysmarter deal was found by Cheapflights users on 6/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Billund 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 June 12, 2025.
Use the filters below to find and compare flights from Billund to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BillundSt. Louis
BLL - STL
BLLSTL
Billund
Sun 8/31
6:00 am-4:47 pm
2 stops17h 47m
Lambert-St Louis
Fri 9/12
4:40 pm-1:45 pm
2 stops14h 05m
BillundSt. Louis
BLL - STL
BLLSTL
Billund
Sun 8/31
6:00 am-1:30 pm
1 stop14h 30m
Lambert-St Louis
Fri 9/12
3:30 pm-10:10 am
1 stop11h 40m
BillundSt. Louis
BLL - STL
BLLSTL
Billund
Fri 6/27
6:00 am-4:53 pm
2 stops17h 53m
Lambert-St Louis
Tue 7/1
11:29 am-11:05 am
2 stops16h 36m
BillundSt. Louis
BLL - STL
BLLSTL
Billund
Sat 6/28
6:00 am-8:30 pm
2 stops21h 30m
Lambert-St Louis
Wed 7/2
10:48 am-11:05 am
2 stops17h 17m
BillundSt. Louis
BLL - STL
BLLSTL
Billund
Sun 8/31
8:55 pm-5:10 pm
3 stops27h 15m
Lambert-St Louis
Fri 9/12
5:00 pm-3:35 pm
2 stops15h 35m
BillundSt. Louis
BLL - STL
BLLSTL
Billund
Sat 6/28
4:25 pm-11:59 am
3 stops26h 34m
Lambert-St Louis
Wed 7/2
4:23 pm-3:25 pm
2 stops16h 02m
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
How far ahead should I book a flight from Billund to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Billund to St. Louis. Price data was last updated on June 9, 2025.
The best time to book flights from Billund to St. Louis is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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.
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 June 12, 2025.
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC