Question : Is Ronald Reagan National Airport (DCA) the cheapest airport for getting to Trondheim Airport Vaernes (TRD)?
Answer : Departing from Ronald Reagan National Airport is not the only way to get to Trondheim Airport Vaernes. Try searching for flights from Washington Dulles International Airport (IAD) as well. Over the upcoming two months, flights from IAD to TRD are being priced 32% cheaper than flights from DCA to TRD. Being only 23 miles away, it's easily accessible for most.