Cheap Flights from Seoul (ICN) to Phnom Penh (KTI)

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Flight deals from Incheon International to Techo

Looking for a cheap last-minute deal or the best return flight from Incheon International Airport to Techo Airport? If you want to travel next month, return fares start from $332. Find the lowest prices on one-way and return tickets right here.

Phnom Penh.$323 per passenger.Departing Sat, 29 Aug, returning Fri, 4 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 29 Aug, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Fri, 4 Sep, arriving in Incheon International.Price includes taxes and charges.From $323, select.

Phnom Penh.$323 per passenger.Departing Mon, 17 May, returning Thu, 20 May.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Mon, 17 May, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Thu, 20 May, arriving in Incheon International.Price includes taxes and charges.From $323, select.

Phnom Penh.$323 per passenger.Departing Sat, 26 Sep, returning Thu, 1 Oct.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 26 Sep, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Thu, 1 Oct, arriving in Incheon International.Price includes taxes and charges.From $323, select.

Phnom Penh.$324 per passenger.Departing Sat, 12 Sep, returning Fri, 18 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 12 Sep, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Fri, 18 Sep, arriving in Incheon International.Price includes taxes and charges.From $324, select.

Phnom Penh.$325 per passenger.Departing Sat, 29 Aug, returning Fri, 11 Sep.Return flight with Sky Angkor.Outbound direct flight with Sky Angkor departs from Incheon International on Sat, 29 Aug, arriving in Techo.Inbound direct flight with Sky Angkor departs from Techo on Fri, 11 Sep, arriving in Incheon International.Price includes taxes and charges.From $325, select.

Phnom Penh.$326 per passenger.Departing Fri, 23 Oct, returning Wed, 11 Nov.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 23 Oct, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Wed, 11 Nov, arriving in Incheon International.Price includes taxes and charges.From $326, select.

Phnom Penh.$326 per passenger.Departing Sat, 17 Oct, returning Sat, 24 Oct.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 17 Oct, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Sat, 24 Oct, arriving in Incheon International.Price includes taxes and charges.From $326, select.

Phnom Penh.$329 per passenger.Departing Tue, 1 Jun, returning Mon, 21 Jun.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Tue, 1 Jun, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Mon, 21 Jun, arriving in Incheon International.Price includes taxes and charges.From $329, select.

Phnom Penh.$329 per passenger.Departing Sat, 10 Apr, returning Sat, 8 May.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 10 Apr, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Sat, 8 May, arriving in Incheon International.Price includes taxes and charges.From $329, select.

Phnom Penh.$329 per passenger.Departing Tue, 1 Sep, returning Sun, 15 Nov.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Tue, 1 Sep, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Sun, 15 Nov, arriving in Incheon International.Price includes taxes and charges.From $329, select.

Phnom Penh.$332 per passenger.Departing Mon, 24 Aug, returning Tue, 25 Aug.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Mon, 24 Aug, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Tue, 25 Aug, arriving in Incheon International.Price includes taxes and charges.From $332, select.

Phnom Penh.$332 per passenger.Departing Wed, 7 Oct, returning Fri, 4 Dec.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Wed, 7 Oct, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Fri, 4 Dec, arriving in Incheon International.Price includes taxes and charges.From $332, select.

Phnom Penh.$336 per passenger.Departing Sun, 4 Apr, returning Sat, 17 Apr.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sun, 4 Apr, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Sat, 17 Apr, arriving in Incheon International.Price includes taxes and charges.From $336, select.

Phnom Penh.$344 per passenger.Departing Sat, 5 Sep, returning Fri, 2 Oct.Return flight with Sky Angkor.Outbound direct flight with Sky Angkor departs from Incheon International on Sat, 5 Sep, arriving in Techo.Inbound direct flight with Sky Angkor departs from Techo on Fri, 2 Oct, arriving in Incheon International.Price includes taxes and charges.From $344, select.

Phnom Penh.$346 per passenger.Departing Tue, 10 Nov, returning Sun, 9 May.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Tue, 10 Nov, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Sun, 9 May, arriving in Incheon International.Price includes taxes and charges.From $346, select.

Phnom Penh.$346 per passenger.Departing Wed, 25 Nov, returning Tue, 1 Dec.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Wed, 25 Nov, arriving in Techo.Inbound indirect flight with Vietnam Airlines, departs from Techo on Tue, 1 Dec, arriving in Incheon International.Price includes taxes and charges.From $346, select.

Find the cheapest month to fly from Incheon International to Techo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Techo flights are currently cheapest in May.

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Direct flights from Incheon International to Techo

Seoul to Phnom Penh: Flight information

The things to know before you go.

Cheapest flight found	$323
Cheapest month to fly	May
Average flight time	5 hrs, 41 mins
Most popular airline	Asiana Airlines
Average flights per week	32

Finding cheap flights from Incheon International to Techo: Frequently asked questions

How much are return flights from Incheon International to Techo?

The best price we found for a return flight from Incheon International to Techo is $323. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Incheon International to Techo?

5 hours and 41 minutes is the average flight time from Incheon International to Techo.

Which airlines fly direct from Incheon International to Techo?

Asiana Airlines, Delta and Korean Air fly direct from Incheon International to Techo.

How many flights are there a week from Incheon International to Techo?

As of July 2026, there are 30 flights per week flying from Incheon International to Techo.

When is the cheapest time to fly from Incheon International to Techo?

The cheapest month to fly from Incheon International to Techo is usually May.

Which upcoming date is cheapest to fly from Incheon International Airport to Techo Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Techo Airport on Monday, 17 May 2027.

Can I get a direct flight from Incheon International Airport to Techo Airport?

Yes – the average flight time is 5 hours and 41 minutes.

How can I find the best flight deal to Techo?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Techo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Phnom Penh?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phnom Penh is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Incheon International Airport to Techo with?

Currently, Vietnam Airlines and Sky Angkor offer the cheapest flight tickets to Techo.

Travelling from Incheon International Airport (ICN) to Techo International Airport (KTI): what you need to know

Around 5 hours 45 minutes is how long you can expect to be in the air on a direct flight from Incheon International Airport to Techo International Airport.
Phnom Penh's timezone is UTC+7, making Phnom Penh two hours behind Seoul.
There are 16 Incheon International Airport to Techo International Airport flights every week to choose from.
Leave enough time to make your ICN to KTI flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.
You'll likely experience longer queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.
You can travel nonstop to Phnom Penh, Cambodia. Take off with one of these airlines that operate direct flights from Incheon International Airport to Techo International Airport:
The airline with the highest passenger demand on this route is Korean Air.
The carrier with the top on-time arrival performance for ICN to KTI flights is Korean Air.

How to find the cheapest flights from Incheon International Airport (ICN) to Techo International Airport (KTI)

At the moment, $118 is the cheapest price we've seen for a one-way Incheon International Airport to Techo International Airport flight. The best price for a return ticket is $323. Remember that fares can change due to availability at the time of booking.
Don't leave things to the last moment. You're more likely to get cheap tickets from ICN to KTI if you book early. Airlines often have some amazing early bird discounts.
If you're willing to be flexible with your travel dates, use the 'Whole month' tool. It'll find the cheapest price in every month when searching for your flight from Incheon International Airport to Techo International Airport.
Stay on top of deals for cheap flights from ICN to KTI by creating a Price Alert. You'll receive an email or push notification on the app when a new low fare is offered.
Tailor your trip using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Incheon International Airport to Techo International Airport.

Handy information about Incheon International Airport (ICN)

When it comes to the on-time performance of Incheon International Airport, 74% of flights stick to their scheduled arrival time.
Incheon International Airport is about 48 kilometres from central Seoul. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 1 hour 5 minutes or so to get there, depending on the traffic.
You can expect a trip time of roughly 50 minutes on public transport.
Get your break off to a stress-free start by staying near ICN. Whether you're taking an early flight from Incheon International Airport to Techo International Airport or want to avoid feeling rushed, these stays are ideal:

Arriving at Techo International Airport (KTI)

Consider staying at zhuo' bo Hotel after touching down from your Incheon International Airport to Techo International Airport flight. It's only a short drive from KTI and a handy option if you're eager to get some rest right away.

Getting from Techo International Airport (KTI) to central Phnom Penh

Techo International Airport is around 23 kilometres from central Phnom Penh. How long it'll take to get there in a ride-share or taxi will depend on the time of day, so do some research beforehand.

When to fly to Techo International Airport (KTI)

It's time to work out your dates for your flight from Incheon International Airport to Techo International Airport. January is the busiest month to visit Phnom Penh. If you like a more laid-back vibe, go in March.
Lock in your flight from Incheon International Airport to Techo International Airport for March if you want to visit Phnom Penh during its warmest month. You can expect temperatures of between 23ºC (73ºF) and 38ºC (100ºF).
Search for cheap tickets from ICN to KTI in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 33ºC (91ºF) on average.

Explore more of Cambodia

Phnom Penh has its own special appeal, but there are so many other corners of Cambodia just waiting to be discovered. About 193 kilometres south-west of Phnom Penh, a visit to Sihanoukville will keep your itinerary busy. Start with leading sights like Otres Beach, Independence Beach and Sokha Beach.
If you're eager to discover another major destination in Cambodia, consider Battambang, about 257 kilometres north-west of Phnom Penh. Phare Ponleu Selpak, Phnom Sampeau and Sammaki Art Space are key reasons to visit.