Diethelm Travel is an award-winning inbound tour operator servicing Asia. Our focus on delivery, heritage and local experience has enabled us to maintain a high level of service, which is reflected in all aspects of its operations.

Explore Asia through Diethelm Travel's Eyes


custom tours


years experience


countries in Asia

Diethelm offices worldwide

"We loved everything about the country where Mr. Billy (our guide friend) made it unforgettable by taking care of every single thing related to our trip. Thank you, Billy."


Travel is fatal to prejudice, bigotry, and narrow-mindedness.

Mark Twain