Cheap Flights to Koh Tonsai

View ₩274,186 flight on Tue, Jan 13, 2026Opens in a new window

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How much is the cheapest flight to Koh Tonsai?

Prices were available within the past 7 days and start at ₩274,186 for one-way flights and ₩455,672 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, Sep 9 - Sat, Sep 20
ICN
Seoul
KTI
Phnom Penh
₩455,672 Roundtrip, found 5 days ago
₩455,672
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Tue, Sep 9 from Seoul to Phnom Penh, returning Sat, Sep 20, priced at ₩455,672 found 5 days ago
Cathay Pacific
Mon, Sep 8 - Sat, Sep 20
ICN
Seoul
KTI
Phnom Penh
₩477,508 Roundtrip, found 5 days ago
₩477,508
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Mon, Sep 8 from Seoul to Phnom Penh, returning Sat, Sep 20, priced at ₩477,508 found 5 days ago
Cathay Pacific
Tue, Sep 9 - Sat, Sep 20
ICN
Seoul
KTI
Phnom Penh
₩491,722 Roundtrip, found 5 days ago
₩491,722
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Tue, Sep 9 from Seoul to Phnom Penh, returning Sat, Sep 20, priced at ₩491,722 found 5 days ago
Vietnam Airlines
Fri, Sep 19 - Mon, Sep 22
ICN
Seoul
KOS
Sihanoukville
₩570,100 Roundtrip, found 6 days ago
₩570,100
Roundtrip
found 6 days ago
Select Vietnam Airlines flight, departing Fri, Sep 19 from Seoul to Sihanoukville, returning Mon, Sep 22, priced at ₩570,100 found 6 days ago
Thai Airways International
Mon, Sep 8 - Sat, Sep 20
ICN
Seoul
KTI
Phnom Penh
₩776,002 Roundtrip, found 5 days ago
₩776,002
Roundtrip
found 5 days ago
Select Thai Airways International flight, departing Mon, Sep 8 from Seoul to Phnom Penh, returning Sat, Sep 20, priced at ₩776,002 found 5 days ago

Searching for cheap flights to Koh Tonsai? No travel company presents more choices than Expedia if you're looking to compare flights to Koh Tonsai. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Kep. Expedia provides the cheapest flights to many destinations in Kep and you may find even greater savings if you combine your flight with a hotel stay in Koh Tonsai.

Frequently asked questions

How do I find cheap flights to Koh Tonsai that have flexible change policies?
We know that plans can change in a flash, so locking in a flexible ticket with Expedia makes sense. Simply check the "No change fee" box below the "Flexible change policies" filter. Your low-cost, flexible flight to Koh Tonsai is only a few clicks away.
How can I find cheap tickets to Koh Tonsai?
You'll always get an unbeatable deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then click on the flexible dates link above to see the cheapest prices for nearby days. ₩455,672 was the lowest price for a flight to Koh Tonsai in the last seven days.
How much is a flight to Koh Tonsai?
If you were journeying one way from Seoul (ICN), you could've snapped up a bargain seat for ₩274,186 in the last seven days. Return flights to Koh Tonsai ranged from ₩455,672 to ₩776,002 over the same period.
When is the cheapest time to fly to Koh Tonsai?
Try to jet off early on in the week to bag a bargain fare to Koh Tonsai. Tuesday is commonly the most cost-effective day to take off, with Monday a close second. Saturday often has the highest fares. This is because a lot of travelers like to start their trip on a weekend.
How much is a plane ticket to Koh Tonsai?
In the last seven days, seats to Koh Tonsai varied between ₩455,672 and ₩776,002. Prices depend on multiple things, particularly the departure time, cabin class, airline and how early the fare is booked.
What months are the cheapest to book a flight to Koh Tonsai?
February is the most affordable month to purchase a seat for your Koh Tonsai getaway. Airfares are priciest over the festive month of December, so avoid this time if possible.
Flights to Koh Tonsai information
Destination airport
Techo Intl. Airport
Destination airport IATA code
KTI
Destination city name
Techo Intl. Airport
Roundtrip price
₩455,672

Trending flights to Koh Tonsai

Prices were available within the past 7 days and start at ₩274,186 for one-way flights and ₩455,672 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Tue, Sep 9 - Sat, Sep 20
ICN
Seoul
KTI
Phnom Penh
₩455,672 Roundtrip, found 5 days ago
₩455,672
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Tue, Sep 9 from Seoul to Phnom Penh, returning Sat, Sep 20, priced at ₩455,672 found 5 days ago
*Available to Expedia members.