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

1 adult

0 bags

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Find the cheapest flights from Billund to St. Louis

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6:30 am - 10:13 pmBLL-STL

22h 43m2 stops

10:00 am - 9:40 amSTL-BLL

17h 40m2 stops

$533United Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:30 am - 9:48 amBLL-STL

34h 18m2 stops

3:13 pm - 1:20 pmSTL-BLL

16h 07m2 stops

$534United Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:30 am - 9:00 pmBLL-STL

21h 30m2 stops

11:25 am - 1:20 pmSTL-BLL

19h 55m2 stops

$535United 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

$593Lufthansa

Find Deal

Thu, Mar 5 - Mon, Mar 9

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

STL10:00 amLambert-St Louis

17h 40m

2 stops

BLL9:40 amBillund

$533

Find similar

United Airlines

Mar 5

BLL6:30 amBillund

34h 18m

2 stops

STL9:48 amLambert-St Louis

Mar 9

STL3:13 pmLambert-St Louis

16h 07m

2 stops

BLL1:20 pmBillund

$534

Find similar

United Airlines

Mar 5

BLL6:30 amBillund

21h 30m

2 stops

STL9:00 pmLambert-St Louis

Mar 9

STL11:25 amLambert-St Louis

19h 55m

2 stops

BLL1:20 pmBillund

$535

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

10:00 am-9:40 am

2 stops17h 40m

$533

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

6:30 am-9:48 am

2 stops34h 18m

Lambert-St Louis

Mon 3/9

3:13 pm-1:20 pm

2 stops16h 07m

$534

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 3/5

6:30 am-9:00 pm

2 stops21h 30m

Lambert-St Louis

Mon 3/9

11:25 am-1:20 pm

2 stops19h 55m

$535

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

$593

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 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 $547.

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.

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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 21h 30m.
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.

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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.