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Phnom Penh

Cheap flights from Kathmandu (KTM) to Phnom Penh (PNH)

KTM — PNH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Kathmandu to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Popular in

August

Cheapest in

October

Average price

$580
Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Best time to book a flight from Kathmandu to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Kathmandu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Phnom Penh

What is the cheapest month to book a flight from Kathmandu to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Kathmandu to Phnom Penh (average of $983). Flying from Kathmandu to Phnom Penh in June is currently the most expensive (average of $1,553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated September 11, 2025.
See what other customers who have flown with Thai Airways from Kathmandu to Phnom Penh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
350 reviews

Crew

8.3

Comfort

7.5

Food

7.3

Overall

7.8

Entertainment

6.9

Boarding

7.9

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
350 reviews
Thai Airways
7.8
Good
350 reviews

Crew

8.3

Comfort

7.5

Food

7.3

Overall

7.8

Entertainment

6.9

Boarding

7.9

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Kathmandu to Phnom Penh round-trip?

    Cheapflights users have booked flights from Kathmandu to Phnom Penh round-trip from $498. Thai Airways is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Kathmandu to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Phnom Penh.

  • Can I find deals for business class flights from Kathmandu to Phnom Penh?

    Yes. Cheapflights offers flight deals from Kathmandu to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Kathmandu to Phnom Penh (average of $983). Flying from Kathmandu to Phnom Penh in June is currently the most expensive (average of $1,553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Complete your trip

Complete your trip to Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.
Phnom Penh car rentals
Phnom Penh Pochentong Airport car rentals

Top airline flying from Kathmandu to Phnom Penh

Discover the top airline that operate flights from Kathmandu to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest$498Average$617FlexibilityNo cancel feeOn-time77%

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