Cheap Flights from Seoul to Phnom Penh from US$157

Frequently Asked Questions

• What are the cheapest flights from Seoul to Phnom Penh (SEL-KTI)?

  Based on Trip.com data, China Eastern Airlines offers one-way fares as low as US$157 on Cheapest nonstop routes (e.g. ICN to KTI on Fri, Jun 26), while Vietnam Airlines offers Cheapest nonstop round-trips from US$241 departing on Sun, Jun 14 and returning on Sun, Jun 21.

• 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: Asiana Airlines Sky Angkor Airlines Korean Air Vietnam Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Seoul to Phnom Penh?

  It takes about 5 hours 32 minutes to fly from Seoul to Phnom Penh.

• 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 14 flight per week flying from Seoul to Phnom Penh. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: S/M/T/W/-/F/S -- OZ739 (19:03) Korean Air: S/M/T/W/T/F/S -- KE689 (19:22)

• How can I find the best deals on flights from Seoul to Phnom Penh?

  To find best deals on flights from Seoul to Phnom Penh, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jun 26, with one-way flights priced at just US$157.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Sky Angkor Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Phnom Penh travel is around January.
  · Get exclusive promo codes for Trip.com app users.

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

  The cheapest months to fly from Seoul to Phnom Penh is October, 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 June flight calendar, it's currently cheapest to fly from Seoul to Phnom Penh on June 14, 2026 with Vietnam Airlines, with prices starting at US$241.

• 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 Techo International Airport (ICN-KTI) is by far the most common option on this route: Techo International Airport (KTI) 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.