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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6:30 am - 10:00 pm

BLL

STL

22h 30m2 stops

8:05 am - 1:20 pm

STL

BLL

22h 15m2 stops

$561United Airlines

jue., ene. 29 - lun., feb. 2

6:30 am - 10:16 pm

BLL

STL

22h 46m2 stops

6:05 am - 9:40 am

STL

BLL

20h 35m2 stops

$787Delta

vie., dic. 26 - mar., dic. 30

12:55 pm - 11:55 pm

BLL

STL

18h 00m3 stops

1:54 pm - 12:30 pm

STL

BLL

15h 36m2 stops

$1,011British Airways

vie., dic. 26 - mar., dic. 30

2:05 pm - 2:26 pm

BLL

STL

31h 21m3 stops

11:05 am - 1:40 pm

STL

BLL

19h 35m3 stops

$1,855Air Canada

vie., dic. 26 - mar., dic. 30

Fly from

Fly to

Route

Depart

Return

Price

BillundSt. Louis

BLL - STL

BLLSTL

Billund

jue. 1/29

6:30 am-10:00 pm

2 stops22h 30m

Lambert-St Louis

lun. 2/2

8:05 am-1:20 pm

2 stops22h 15m

$561

BillundSt. Louis

BLL - STL

BLLSTL

Billund

vie. 12/26

6:30 am-10:16 pm

2 stops22h 46m

Lambert-St Louis

mar. 12/30

6:05 am-9:40 am

2 stops20h 35m

$787

BillundSt. Louis

BLL - STL

BLLSTL

Billund

vie. 12/26

12:55 pm-11:55 pm

3 stops18h 00m

Lambert-St Louis

mar. 12/30

1:54 pm-12:30 pm

2 stops15h 36m

$1,011

BillundSt. Louis

BLL - STL

BLLSTL

Billund

vie. 12/26

2:05 pm-2:26 pm

3 stops31h 21m

Lambert-St Louis

mar. 12/30

11:05 am-1:40 pm

3 stops19h 35m

$1,855

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 April is another great option to travel to St. Louis, with average flight prices from Billund averaging around $563.

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

Fastest flight time	21h 43m
Direct flights	None

The fastest flight from Billund to St. Louis takes 21h 43m

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 43m.
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.