$490 Cheap Flights from San Antonio (SAT) to Billund (BLL)

View $490 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Billund (BLL)

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Cheap Flights from San Antonio to Billund (SAT-BLL)

Prices were available within the past 7 days and start at $490 for one-way flights and $656 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$656 Roundtrip, found 3 days ago
$656
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $656 found 3 days ago
Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$676 Roundtrip, found 3 days ago
$676
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $676 found 3 days ago
Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$706 Roundtrip, found 3 days ago
$706
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $706 found 3 days ago
Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$710 Roundtrip, found 3 days ago
$710
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $710 found 3 days ago
British Airways
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$728 Roundtrip, found 3 days ago
$728
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $728 found 3 days ago
Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$730 Roundtrip, found 3 days ago
$730
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $730 found 3 days ago
Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$760 Roundtrip, found 3 days ago
$760
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $760 found 3 days ago
Lufthansa
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$791 Roundtrip, found 3 days ago
$791
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $791 found 3 days ago
Scandinavian Airlines
Wed, Oct 22 - Wed, Nov 5
SAT
San Antonio
BLL
Billund
$988 Roundtrip, found 3 days ago
$988
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 22 from San Antonio to Billund, returning Wed, Nov 5, priced at $988 found 3 days ago
Finnair
Sat, Aug 23 - Wed, Aug 27
SAT
San Antonio
BLL
Billund
$1,951 Roundtrip, found 6 days ago
$1,951
Roundtrip
found 6 days ago
Select Finnair flight, departing Sat, Aug 23 from San Antonio to Billund, returning Wed, Aug 27, priced at $1,951 found 6 days ago
Flights from San Antonio (SAT) to Billund (BLL)
Origin airport
San Antonio Intl.
Destination airport
Billund
Roundtrip price
$656
Distance
5180 mi

San Antonio to Billund Flights

The cheapest times to fly from San Antonio to Billund

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Billund are during the month of October. You can find some of the cheapest flights from San Antonio to Billund with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Billund

Sunday is one of the best days to book for cheap flights from San Antonio to Billund: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Billund

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Billund in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Billund flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Billund airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Billund Airport (BLL) cost?
Secure a cheap one-way flight from $490 or cheap return flight from $656 from San Antonio Intl. Airport (SAT) to Billund Airport (BLL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Billund Airport (BLL)?
October is the cheapest month to fly from SAT to BLL. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Billund Airport (BLL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from SAT to BLL. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from San Antonio Intl. Airport (SAT) to Billund Airport (BLL)?
There are no daily nonstop flights from San Antonio Intl. Airport (SAT) to Billund Airport (BLL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SAT to BLL?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Billund Airport (BLL)?
To avoid potential delays on the San Antonio Intl. Airport (SAT) to Billund Airport (BLL) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Billund Airport (BLL) last-minute?
Holding off until just before your trip to book a ticket from SAT to BLL generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a SAT to BLL flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAT to BLL flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Billund Airport (BLL)?
If you booked your SAT to BLL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.