From the riverside boulevards of Phnom Penh to the fortress-monasteries of the Paro valley, a trip to Bhutan takes you from the Mekong to the Himalaya in a single day of travel. Phnom Penh's international flights moved in 2025 from the old Phnom Penh International Airport (PNH) to the new Techo International Airport (KTI), so check which airport your ticket shows, especially if you booked through older references. From the capital, the usual approach is a short flight to Bangkok, then onward to Paro. This page outlines how the journey typically works and complements our full Cambodia guide.
Out of Phnom Penh: The Short Flight to Bangkok
There are no direct flights between Cambodia and Bhutan. Paro International Airport (PBH) is Bhutan's one international airport, and only Drukair (Royal Bhutan Airlines) and Bhutan Airlines operate there.
Our Cambodia guide identifies Bangkok as the most convenient transit point, thanks to its proximity and the frequency of flights. Thai Airways and Bangkok Airways typically fly between the Cambodian capital and Suvarnabhumi, from where Drukair or Bhutan Airlines continue to Paro. Check current schedules, as timings can change and some services are seasonal.
Siem Reap Starts and Other Transit Options
If you are combining Bhutan with a visit to Angkor, you could fly out of Siem Reap instead; our guide mentions Bangkok Airways and Emirates for that first leg. Routes via Kathmandu or Delhi are possible too, but the guide notes that they are less frequent and may require overnight stays.
- Bangkok: the simplest connection for most travellers from Phnom Penh.
- Kathmandu: useful for a Nepal and Bhutan combination.
- Delhi: worth considering when Bangkok flights are full.
Paro's approach is visual-only and weather can delay flights, so avoid tight transfers, particularly on separate tickets.
Phnom Penh to Paro: How the Day Might Run
Here is a sample journey, shared as an illustration rather than a fixed schedule. You leave Daun Penh or BKK1 with plenty of time to reach the new airport and catch a morning flight to Bangkok. If timings work, you connect the same day to Paro; otherwise you stay overnight near Suvarnabhumi and fly on early the next day. Our Cambodia guide puts total travel time at around 8 to 12 hours. At Paro, your guide welcomes you, and the drive to your hotel offers a first proper look at the valley.
If you are flying on separate tickets, keep your Bangkok connection documents handy and leave enough time to collect and re-check bags. Your operator can advise whether a same-day transfer is realistic on your dates or whether a night near Suvarnabhumi is the wiser choice.
Cambodian Time vs Bhutan Time
Cambodia uses UTC+7 throughout the year, and Bhutan uses UTC+6, with neither country observing daylight saving. That means Bhutan is one hour behind Phnom Penh all year round. When it is 8am beside the Tonlé Sap river, it is 7am in Paro.
It is a negligible change, so you can expect to feel at home in Bhutan's daily rhythm from the very first day.
Mekong Heat and Mountain Cool: Planning the Season
Phnom Penh is hot year-round, with a rainy season roughly from May to October and a drier, slightly cooler spell from November, followed by intense heat around April. Bhutan's seasons give a refreshing counterpoint. Spring (March to May) and autumn (September to November) are its favourite months for visitors, with summer (June to August) taken up by the monsoon and winter (December to February) cold but clear, notably at higher altitudes.
A spring visit lets you escape the hottest weeks at home, and it is when the Paro Tshechu is held. Autumn, with the Thimphu Tshechu, may coincide with holidays such as Pchum Ben; festival dates on both sides follow lunar calendars, so check them early. The cold will be the biggest adjustment for Cambodian travellers, so pack warm layers in any season.
What Cambodian Citizens Need Before Flying
Cambodian passport holders need a Bhutan visa, applied for online in advance and usually arranged through a licensed Bhutanese tour operator. Our Cambodia guide explains that the operator handles the formalities and coordinates your connections, so you receive confirmation before departure.
The Sustainable Development Fee is currently USD 100 per adult per night for most international visitors, including Cambodians. Please check the latest rates with the Department of Tourism before booking. You will also need travel insurance that covers your whole stay in Bhutan.
The ngultrum (BTN) is Bhutan's currency, pegged 1:1 to the Indian rupee. US dollars are widely used in Cambodia but not in daily Bhutanese shopping, so plan to change some money and carry cash, as ATMs are mainly in towns.
Trip Lengths That Work from Cambodia
- 4 nights: a short Paro and Thimphu visit, possible thanks to the regional connection.
- 5 to 7 nights: the sweet spot for most first-time visitors.
- 8 nights or more: for treks, festivals or a longer journey with a Bangkok stopover.
Our guide suggests aiming for shoulder seasons to avoid the busiest periods; late spring and late autumn can offer quieter trails.
Many visitors to Cambodia from overseas also tack on Bhutan while they are in the region. If you are an expatriate living in Phnom Penh, remember that your visa requirements depend on your passport, not your residence, so confirm the details for your own nationality.
Phnom Penh FAQ
Which airport do I fly from in Phnom Penh?
International flights now use Techo International Airport, which replaced the old Phnom Penh airport in 2025. Always confirm on your ticket.
Is Bhutan ahead of Cambodia?
No. Bhutan is one hour behind Phnom Penh all year.
What is the easiest connection?
Bangkok, which our Cambodia guide describes as the most convenient transit point.
For full visa steps, SDF details and itineraries for Cambodian travellers, read our main guide: How to Travel to Bhutan from Cambodia. We will gladly plan your trip from Phnom Penh.
