You can check in online as early as 47 hours before departure. To do so, have your booking reference or ticket number ready.

On short- and medium-haul flights, you can purchase a wide selection of snacks, sandwiches and drinks on board. On long-haul flights, you can enjoy the menu from DO & CO.

The general hand luggage dimensions are 55cm x 40cm x 23cm with a maximum weight of 8kg. If you fly economy (Economy Basic, Light, Comfort, Impact & Flex) or premium economy, one piece of hand luggage is allowed. In business class, you can take two pieces of hand luggage with you. More information on our hand luggage regulations can be found here.

Yes, you can thanks to Austrian FlyNet, our in-flight internet access. Currently, selected aircraft in our Airbus family are equipped with it, for short- and medium-haul flights . You can connect to the internet immediately after boarding and choose between different service packages once you have reached cruising altitude.

Prices for flights from Billund to Olbia - Sardinia start at 1,929 DKK.

If there is a flight cancellation, we will book you onto another flight. Check under "My bookings" for all the information on your new flight. Our Austrian Chat Assistant Maria is available around the clock if you need her.

This is the baggage you can check in without incurring any extra charges. The dimensions, weight, and quantity permitted are based on your fare, the route booked, and your Miles & More status.

Premium Economy Class offers enhanced comfort, which is especially beneficial on long-distance flights. Experience perks like more spacious seating that reclines further than ever, ensuring a relaxing flight experience.

You can upgrade to Business Class online in "My Bookings." Click on "Upgrade flights" and our system will show you which of your flights can be upgraded. You can find all the details about how to do this here.

Business Class upgrade prices depend on your route, booking class and flight length. You can choose to book an upgrade at a fixed price or to submit a bid. You can learn more about all your options here.

Different time limits apply depending on which upgrade option you choose. You can submit an upgrade bid up to 60 hours before departure. An upgrade at a fixed price can be booked up to 48 hours before departure. You can upgrade during online check-in from 47 hours before departure. Counter or onboard upgrades are available on the day of travel. You can find more information here.

Yes, you can pay with miles for an upgrade at a fixed price and also for counter or onboard upgrades. You can also pay with miles when you upgrade during online check-in. However, you cannot pay with miles when submitting an upgrade bid.

For flights from from Billund to Olbia - Sardinia, Austrian Airlines offers several helpful ways to find the best fares for your trip:

• Last minute flights: Take advantage of our flight deals for the next two weeks and find the perfect last-minute flight from Billund to Olbia - Sardinia that fits your travel plans.
• Fare calendar: The monthly overview shows the lowest fare at a glance, making it easier to choose the right travel date.
• Best Price Alert: After signing in with your Travel ID or email address, Austrian Airlines will automatically inform you about affordable offers.
• Price guarantee: You can hold your selected flight at the guaranteed price for up to 48 hours. More information about price guarantee
• Student fares: Verified students can benefit from particularly affordable fares on selected flights. More information about student fares