$398 Cheap Flights from San Francisco (SFO) to Billund (BLL)

Popular airlines from San Francisco Intl. Airport (SFO) to Billund (BLL)

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Cheap Flights from San Francisco to Billund (SFO-BLL)

Prices were available within the past 7 days and start at $398 for one-way flights and $553 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Delta
Delta
British Airways
British Airways
United
British Airways
Lufthansa
United
United

Alternative airports near Billund

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from San Francisco (SFO) to Billund (BLL)
Origin airport
San Francisco Intl.
Destination airport
Billund
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, Scandinavian Airlines
Roundtrip price
$552
Distance
5385 mi

San Francisco to Billund Flights

The cheapest times to fly from San Francisco 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 Francisco to Billund are during the month of February. You can find some of the cheapest flights from San Francisco to Billund with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Francisco 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 Francisco 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 Francisco to Billund in 2025. You can also book with separate airlines for your outbound and return journeys, from $398 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 Francisco 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 Francisco 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 Francisco Intl. Airport (SFO) to Billund Airport (BLL) cost?
Discover the latest flight deals from SFO to BLL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to BLL?
The cheapest flights from SFO to BLL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to BLL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SFO to BLL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Billund Airport (BLL)?
Direct flights from San Francisco Intl. Airport (SFO) to Billund Airport (BLL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SFO to BLL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and carrier.*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 Francisco Intl. Airport (SFO) to Billund Airport (BLL)?
To reach Billund Airport (BLL) without delays, opt for a flight that leaves San Francisco Intl. Airport (SFO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Francisco Intl. Airport (SFO) to Billund Airport (BLL) last-minute?
Holding off until right before your break to book your flight from SFO to BLL generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a SFO to BLL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to BLL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Billund Airport (BLL)?
If you booked your SFO to BLL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.