$574 Cheap Delta flights St. Louis (STL) to Billund (BLL)

View $574 flight on Mon, Sep 15, 2025Opens in a new window

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$574 Cheap Delta flights St. Louis (STL) to Billund (BLL)

Prices were available within the past 7 days and start at $574 for one-way flights and $727 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 15 - Wed, Oct 1
STL
St. Louis
BLL
Billund
$727 Roundtrip, found 2 days ago
$727
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Sep 15 from St. Louis to Billund, returning Wed, Oct 1, priced at $727 found 2 days ago
Delta
Mon, Sep 15 - Wed, Oct 1
STL
St. Louis
BLL
Billund
$947 Roundtrip, found 2 days ago
$947
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Sep 15 from St. Louis to Billund, returning Wed, Oct 1, priced at $947 found 2 days ago
Flights from St. Louis (STL) to Billund (BLL)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Billund
Distance
4393 mi

Frequently asked questions

How much is a Delta Air Lines flight from Lambert-St. Louis Intl. Airport (STL) to Billund Airport (BLL)?
Finding cheap one-way Delta Air Lines flights from STL to BLL from $574 on Expedia is simple --- just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $727 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to BLL with Delta Air Lines?
Look for return or one-way flights to Billund in January or February. You could find lower fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Billund Airport (BLL) with Delta Air Lines?
Check for Delta Air Lines flights from STL to BLL about one month before you want to leave. The cheapest time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Billund Airport (BLL)?
Click on our "Nonstop" filter when searching for direct Delta Air Lines flights from STL to BLL. It's also a great way to compare other airlines servicing the same nonstop journey.
What is the earliest Delta Air Lines flight from STL to BLL?
To find the earliest departures from STL to BLL with Delta Air Lines, filter your results by "Morning" and "Early Morning." Booking an early flight usually means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Billund?
Hop on a Delta Air Lines flight from Lambert-St. Louis Intl. Airport (STL) to Billund, and you're most likely to land at Billund Airport (BLL). This is the airline's main hub in this destination.
Why fly with Delta Air Lines from STL to BLL?
With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many passengers heading from STL to BLL. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Lambert-St. Louis Intl. Airport (STL) to Billund Airport (BLL)?
Depending on the type of fare you purchased, a fee may apply if you modify or cancel your booking more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "Changes included" and "No cancel fee" boxes when you look for flights. For additional information on canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."

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