Cheap flight from Seoul to Phnom Penh from $315

Frequently Asked Questions

• Which airlines offer direct flights from Seoul to Phnom Penh?

  At the moment, you can catch a nonstop flight from Seoul to Phnom Penh with the following airlines, including: Sky Angkor Airlines Asiana Airlines Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Seoul (SEL) to Phnom Penh (PNH) and what is the distance?

  It takes around 5 hours 50 minutes to fly from Seoul (SEL) to Phnom Penh (PNH).

• When is the best time to book flights from Seoul to Phnom Penh?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Phnom Penh is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Seoul to Phnom Penh?

  Based on Trip.com data in the past 4 weeks, there is 2 flight per week flying from Seoul to Phnom Penh. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: -/-/-/-/-/-/- -- OZ739 (20:06)

• When are flight tickets from Seoul (SEL) to Phnom Penh (PNH) the cheapest?

  The cheapest months to fly from Seoul to Phnom Penh is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to Phnom Penh on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seoul to Phnom Penh on November 19, 2025 with China Southern Airlines, with prices starting at $242.

• Which airports can I fly to for Phnom Penh from Seoul?

  You can land at any one of the following hubs in Phnom Penh, with Incheon International Airport to Phnom Penh International Airport (ICN-PNH) is by far the most common option on this route: Phnom Penh International Airport (PNH).

• Is there any time difference between Seoul and Phnom Penh?

  The time difference between Phnom Penh and Seoul is 2h.

• How do I change or cancel my ticket from Seoul to Phnom Penh?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.