When did momondo last update prices for flights from Billund Airport to Lambert-St Louis Airport?

Prices for flights from Billund Airport to Lambert-St Louis Airport are updated daily.

How old do you have to be to fly from Billund Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billund Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$532 Cheap Flights from Billund to St. Louis in 2025/26

Q: What is the typical price of a round-trip flight between Billund and St. Louis?

Prices are currently typical for flights on this route. Typical prices usually range from $500 to $689. The lowest price recently found on this route was $536.

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Billund to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 10:13 pmBLL-STL

22h 43m2 stops

10:05 am - 1:20 pmSTL-BLL

21h 15m2 stops

$536United Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:30 am - 8:54 pmBLL-STL

21h 24m2 stops

10:00 am - 1:20 pmSTL-BLL

21h 20m2 stops

$537United Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:35 am - 11:50 pmBLL-STL

20h 15m2 stops

10:00 am - 1:20 pmSTL-BLL

21h 20m2 stops

$541United Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

2:00 pm - 1:55 pmBLL-STL

30h 55m1 stop

1:10 pm - 9:40 amSTL-BLL

14h 30m2 stops

$599Lufthansa

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:35 am - 10:22 pmBLL-STL

18h 47m2 stops

1:10 pm - 10:00 amSTL-BLL

13h 50m2 stops

$625Multiple Airlines

Find Deal

Sat, Nov 15 - Wed, Nov 19

10:35 am - 10:22 pmBLL-STL

18h 47m2 stops

3:50 pm - 1:25 pmSTL-BLL

14h 35m1 stop

$668Multiple Airlines

Find Deal

Sat, Nov 15 - Wed, Nov 19

1:05 pm - 12:05 amBLL-STL

18h 00m3 stops

2:52 pm - 12:10 pmSTL-BLL

14h 18m2 stops

$1,004Multiple Airlines

Find Deal

Sat, Nov 15 - Wed, Nov 19

4:15 pm - 1:55 pmBLL-STL

28h 40m3 stops

10:44 am - 1:50 pmSTL-BLL

20h 06m3 stops

$3,190Multiple Airlines

Find Deal

Sat, Nov 15 - Wed, Nov 19

United Airlines flights from Billund to St. Louis

Our best United Airlines deals on Billund to St. Louis flight tickets

United Airlines

Mar 5

BLL6:30 amBillund

22h 43m

2 stops

STL10:13 pmLambert-St Louis

Mar 9

STL10:05 amLambert-St Louis

21h 15m

2 stops

BLL1:20 pmBillund

$536

Find similar

United Airlines

Mar 5

BLL6:30 amBillund

21h 24m

2 stops

STL8:54 pmLambert-St Louis

Mar 9

STL10:00 amLambert-St Louis

21h 20m

2 stops

BLL1:20 pmBillund

$537

Find similar

United Airlines

Mar 5

BLL10:35 amBillund

20h 15m

2 stops

STL11:50 pmLambert-St Louis

Mar 9

STL10:00 amLambert-St Louis

21h 20m

2 stops

BLL1:20 pmBillund

$541

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

6:30 am-10:13 pm

2 stops22h 43m

Lambert-St Louis

Mon 3/9

10:05 am-1:20 pm

2 stops21h 15m

$536

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

6:30 am-8:54 pm

2 stops21h 24m

Lambert-St Louis

Mon 3/9

10:00 am-1:20 pm

2 stops21h 20m

$537

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

10:35 am-11:50 pm

2 stops20h 15m

Lambert-St Louis

Mon 3/9

10:00 am-1:20 pm

2 stops21h 20m

$541

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

2:00 pm-1:55 pm

1 stop30h 55m

Lambert-St Louis

Mon 3/9

1:10 pm-9:40 am

2 stops14h 30m

$599

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/15

10:35 am-10:22 pm

2 stops18h 47m

Lambert-St Louis

Wed 11/19

1:10 pm-10:00 am

2 stops13h 50m

$625

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/15

10:35 am-10:22 pm

2 stops18h 47m

Lambert-St Louis

Wed 11/19

3:50 pm-1:25 pm

1 stop14h 35m

$668

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/15

1:05 pm-12:05 am

3 stops18h 00m

Lambert-St Louis

Wed 11/19

2:52 pm-12:10 pm

2 stops14h 18m

$1,004

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Sat 11/15

4:15 pm-1:55 pm

3 stops28h 40m

Lambert-St Louis

Wed 11/19

10:44 am-1:50 pm

3 stops20h 06m

$3,190

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Billund to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Billund and St. Louis?

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

In general, March is the cheapest month to fly from Billund to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $398. The month of February is another great option to travel to St. Louis, with average flight prices from Billund averaging around $506.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $844. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,155. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Billund in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $852 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,108 per ticket.

When to book flights from Billund to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Billund to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Billund to St. Louis (BLL to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billund to St. Louis

Direct flights	None

There are no direct flights from Billund to St. Louis. There are no popular flight routes from Billund to St. Louis.

Search flight deals

How far is Billund to Lambert-St Louis by plane?
Lambert-St Louis is 4391.1 mi away from Billund. A reasonable flight in good conditions will take 18h 00m.
When did momondo last update prices for flights from Billund Airport to Lambert-St Louis Airport?
Prices for flights from Billund Airport to Lambert-St Louis Airport are updated daily.
How old do you have to be to fly from Billund Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billund Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

O'Fallon

Wentzville

Fenton

Collinsville

St. Peters

Alton

Farmington

Festus

Glencoe

Edwardsville

Clayton

Eureka

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Billund to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Billund to St. Louis for you.

Can I find flights from Billund to St. Louis with flexible booking policies on momondo?

All flight searches from Billund to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Billund to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Billund.

I’m not ready to book a flight from Billund to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Billund to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.