Cheap flights from Ulaanbaatar to Siem Reap from £242

Travelers frequently search for route combinations, such as Ulaanbaatar and London, Sydney, Bangkok, San Francisco, Vienna, Frankfurt, Budapest, Bali, Taipei, Seoul, Phuket Province, Istanbul, Almaty, Hanoi, New York, Kuala Lumpur, Beijing, Dublin, Da Nang, Tashkent.

Travelers frequently search for route combinations, such as Siem Reap and Bangkok, London, Phnom Penh, Hanoi, Phuket City, Singapore, Phuket Province, Chiang Mai, Ho Chi Minh City, Kuala Lumpur, Da Nang, Sihanoukville Province, Vientiane, Krabi, Bali, Manila, Denpasar, Ko Samui, Perth, Surat Thani Province.

The main airport in Siem Reap is Siem Reap International. It is also served by Phnom Penh International.

Currently, you can fly between Ulaanbaatar and Siem Reap with MIAT Mongolian Airlines, VietJet Air, Thai AirAsia, Thai Airways, Air Cambodia.

If you don’t have specific dates for your trip between Ulaanbaatar and Siem Reap, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Ulaanbaatar and Siem Reap, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Siem Reap. The main one is Siem Reap International and other nearby airports include Phnom Penh International.

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ulaanbaatar, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Siem Reap, such as morning, afternoon, evening, or night, or select the exact hours for arrival.