There are no direct flights from Europe to Bhutan. You should look for flights from Europe to 7 cities in Asia where Bhutan operates the flights from. The nine cities that Bhutan Airline operates are Indira
1. Indira Gangdhi International Airport(IGI) in Delhi
2. Netaji Subhash Chandra Bose International Airport in Kolkatta
3. Bagdugra Airport in West Bengal
4. Guwahati Airport in Assam
5. Subharna International Airport in Bangkok
6. Changi International Airport in Singapore
7. Tribhuwan International Airport in Kathmandu Nepal
8. Hazrat Shahjalal International Airport in Dhaka
There are no direct flights from Berlin to Bhutan but there are lots of direct flights to India from Berlin Germany. You can either take flights from Tegel (TXL) or Frankfurt International Airport.
The main airport in Ital that flies the direct flight to one of the 9 detsination in Asia to Bhutan is The Leonardo da Vinci-Fiumicino Airport in Rome. The airport have direct flights to Bangkok and Delhi. You can take either of this flights and catch a flights to Bhutan. Flights from Rome to Bangkok takes around 12 hours and flights to New Delhi takes around 8 hours.
Geographical feature of Switzerland is very similar to Bhutan and this is small landlocked country in Europe. The main airport is Known as the Flughafen Zürich or Kloten Airport, Zurich Airport. In 2019 around 300 Swiss National travel Bhutan and the country is getting very popular in Switzerland. The airport offers direct flights to Bangkok, New Delhi, and Singapore for connecting flights to Bhutan. You can select any of these flights to get to Bhutan.
The main International airport in Netherland is Amsterdam Amsterdam Airport Schiphol, known formally as Schiphol Airport. The airport offers direct flights to Bangkok, New Delhi India and Singapore. The best route to take New Delhi India which is just eight hours and cost about $850 one way fare. From New delhi Bhutan flights operates daily and most of the flights are early morning flights from Delhi to Paro International Airport.
London have 6 major airport in United Kingdom and one of the major aiprot in London is Heathrow Airport which catered to almost 80.1 million passenger in the year 2018. Spread across five terminals and just 14 miles west of central London, it’s the easiest airport to get into.
The Piccadilly Line on the Underground metro system serves three tube stations (Heathrow Terminals 1, 2 and 3; Terminal 4; and Terminal 5 — all in fare zone 6), with trains running every few minutes during the day, and a journey time of around 45 minutes from zone 1. Airport offers daily flights to India,Bangkok and Singapore. You can take any of this flights to get to Bhutan. Around 800 British citizen visited Bhutan in 2019.
Spain have many International Airport and among that Adolfo Suárez Madrid–Barajas Airport is the main international airport in Spain. This airport offers daily flights to Delhi in India and flight is about 9 hours from Madrid to New Delhi. From Delhi you can catch the flights to Bhutan.
There are many International Airport in France and best airport to fly into Bhutan will be Charles De Gaule Airport which is the second largest airport in France. The Airport offers daily flights to Bangkok, Singapore and New Delhi.
Flights to Bhutan from United Kingdom, Spain, Germany or Switzerland required valid Passport to enter Bhutan. If you have any transit connecting flights that you need to reconfirm about the transit Visa before you board the onward destination to Bhutan. All travel to Bhutan is pre arranged trip and by now you should be having the Bhutan Visa printed. While boarding the flights to Bhutan you need to show the Bhutan visa to the concern authority there and board the plane. Your actual Visa will be stamped upon arrival in Paro International Airport.