Cheap flights from Seattle (SEA) to Billund (BLL) from $1,037

Travelers have found that booking a Tuesday departure is the best way to save up to 148% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Our data shows that November tends to be the cheapest month to fly to Billund from Seattle. Users have commonly found prices around $938 for the month, but tickets can be as low as $626. Due to multiple factors, prepare for potentially higher prices in July.

A simple way to save on the total cost of your ticket is to fly from Seattle to Billund in the morning. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.

Delta and KLM are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Billund Airport flight would often be abbreviated as a SEA to BLL flight.