Which airlines are available on the route from Siem Reap to Phnom Penh?

2 airlines operate flights between Siem Reap and Phnom Penh. The airlines offering direct flights on this route include: • Cambodia Angkor Air • Cambodia Airways

Which airports can I use when flying from Siem Reap to Phnom Penh?

Flights from Siem Reap to Phnom Penh usually depart from Siem Reap–Angkor Intl (SAI) and arrive at Phnom Penh Techo Intl (KTI).

Which airlines include bags at no extra cost on Siem Reap to Phnom Penh flights?

Here are some options for this route, based on selected ticket types and cabin classes: • Cambodia Angkor Air: a cabin bag and a checked bag in Economy class • Cambodia Airways: a cabin bag and a checked bag in Economy class Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Can I save money by using flexible dates for flights from Siem Reap to Phnom Penh?

Yes. Being flexible with your travel dates can save you up to 65% on the Siem Reap to Phnom Penh route. Thursday is the cheapest departure day at £58 return on average, while Monday is the most expensive at £165, a difference of £107. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How are flight departures from Siem Reap to Phnom Penh spread across the day?

Evening is the busiest departure period on Siem Reap to Phnom Penh flights, with 50% leaving in that window. Afternoon departures account for 25%, Night flights for 25%, and Morning flights for 0%.

What are the earliest and latest flights from Siem Reap to Phnom Penh?

These are the earliest and latest flight times available from Siem Reap to Phnom Penh: • Earliest: departs at 11:30 and lands at 12:29 • Latest: departs at 22:25 and lands at 23:24. The flight takes about 0h 59m.

How long is a flight from Siem Reap to Phnom Penh?

A direct flight from Siem Reap to Phnom Penh takes 0h 59m, covering 147 miles.

Do I need a passport to fly from Siem Reap to Phnom Penh?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

How are flight prices from Siem Reap to Phnom Penh looking right now?

One-way fares from Siem Reap to Phnom Penh are currently lower than usual. Average one-way flight prices are about £60, which is 12% below the typical average for this route.

How much should I expect to pay for a Siem Reap to Phnom Penh flight?

Return flights from Siem Reap to Phnom Penh range from £91 to £155, with an average of £125 over the past 12 months. Anything below £91 counts as a good deal.

What is the cheapest airline to fly from Siem Reap to Phnom Penh?

Cambodia Angkor Air (£105) and Cambodia Airways (£126) are the cheapest airlines to fly return from Siem Reap to Phnom Penh according to KAYAK data over the last 5 days.

Which airline offers the most direct flights between Siem Reap and Phnom Penh?

Cambodia Angkor Air and Cambodia Airways offer the most frequent direct flights from Siem Reap to Phnom Penh at 14 and 7 flights per week, respectively. Based on KAYAK flight data over the last 3 months.

How many direct flights run daily between Siem Reap and Phnom Penh?

There are 3 to 4 flights per day from Siem Reap to Phnom Penh, about 25 flights per week. Monday has the most departures, with 16% of weekly flights.

What time of day do most flights depart from Siem Reap to Phnom Penh?

Most direct flights from Siem Reap to Phnom Penh depart in the evening, accounting for 50% of direct departures. Around 2 flights are scheduled in that window over the next three months.

£50 CHEAP FLIGHTS from Siem Reap to Phnom Penh (SAI - KTI)

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Never overpay with our price tracking tools.

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Cheapest return flight

£105

Typical prices: £91-£155

Cambodia Angkor Air

Wed 10/10Sun 28/10

SAI - KTI • Direct

Cheapest one-way flight

£50

Typical prices: £49-£84

Cambodia Angkor Air

Thu 1/11

SAI - KTI • Direct

Direct flights

Every day

You can fly direct with Cambodia Angkor Air and Cambodia Airways. Average duration is 0h 59m

Direct flights

When to travel

September

Cheapest • 53% price drop

January

Most popular

Good to know

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We hope you enjoy your trip to Phnom Penh!

Flight Deals

Cheap Flights from Siem Reap to Phnom Penh (SAI-KTI)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Direct

Recent return flight deals from Siem Reap to Phnom Penh

Sat, 10 Oct - Wed, 28 Oct

21:50 - 22:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£105Cambodia Angkor Air

Sat, 10 Oct - Sat, 31 Oct

21:50 - 22:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

11:10 - 12:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£109Cambodia Angkor Air

Fri, 9 Oct - Wed, 28 Oct

12:40 - 13:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£116Cambodia Angkor Air

Fri, 22 Jan - Fri, 29 Jan

19:15 - 20:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

17:40 - 18:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£121Cambodia Angkor Air

Mon, 12 Oct - Mon, 26 Oct

19:20 - 20:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 50mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£123Cambodia Angkor Air

Thu, 15 Oct - Mon, 26 Oct

20:20 - 21:30SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 10mdirect

08:30 - 09:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

£126Cambodia Airways

Mon, 12 Oct - Tue, 27 Oct

19:20 - 20:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 50mdirect

14:40 - 15:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£127Cambodia Angkor Air

Thu, 15 Oct - Wed, 28 Oct

15:10 - 16:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 00mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£129Cambodia Angkor Air

Mon, 12 Oct - Sun, 25 Oct

21:50 - 23:00SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 10mdirect

08:30 - 09:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

£133Cambodia Airways

Mon, 25 Jan - Mon, 25 Jan

09:30 - 10:25SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

17:40 - 18:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£134Cambodia Angkor Air

Recent direct flight deals from Siem Reap to Phnom Penh

Sat, 10 Oct - Wed, 28 Oct

21:50 - 22:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£105Cambodia Angkor Air

Sat, 10 Oct - Sat, 31 Oct

21:50 - 22:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

11:10 - 12:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£109Cambodia Angkor Air

Fri, 9 Oct - Mon, 26 Oct

12:40 - 13:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£116Cambodia Angkor Air

Fri, 22 Jan - Mon, 25 Jan

19:15 - 20:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

08:00 - 08:50KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 50mdirect

£121Cambodia Angkor Air

Mon, 12 Oct - Mon, 26 Oct

19:20 - 20:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 50mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£123Cambodia Angkor Air

Thu, 15 Oct - Mon, 26 Oct

20:20 - 21:30SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 10mdirect

08:30 - 09:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

£126Cambodia Airways

Mon, 12 Oct - Fri, 30 Oct

19:20 - 20:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 50mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£127Cambodia Angkor Air

Thu, 15 Oct - Wed, 28 Oct

15:10 - 16:10SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 00mdirect

20:50 - 21:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£129Cambodia Angkor Air

Mon, 12 Oct - Sun, 25 Oct

21:50 - 23:00SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 10mdirect

08:30 - 09:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

£133Cambodia Airways

Mon, 25 Jan - Mon, 25 Jan

09:30 - 10:25SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

17:40 - 18:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

£134Cambodia Angkor Air

Booking Insights

Price, demand, and travel trends for Siem Reap to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Siem Reap to Phnom Penh with more confidence.

Prices

Airlines

How much is a return flight from Siem Reap to Phnom Penh?

Return flights from Siem Reap to Phnom Penh start at £105. Prices are typical for this route right now, with typical return fares ranging from £91 to £155. The lowest price found in the past 5 days was £105 on Cambodia Angkor Air.

What's the cheapest day of the week to fly from Siem Reap to Phnom Penh?

Thursday is the cheapest day of the week to fly from Siem Reap to Phnom Penh and is 54% cheaper than the average day. Monday is the most expensive day with flight prices 32% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Siem Reap to Phnom Penh?

•September is the cheapest month to fly from Siem Reap to Phnom Penh at £58 return.
•March (£173) and April (£165) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 196% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	June
High season	January
Cheapest flight	£50

Best time to beat the crowds (16% less expensive on average)

Most popular time to fly (6% more expensive on average)

Flights from Siem Reap to Phnom Penh

When to book flights from Siem Reap to Phnom Penh

Are your dates flexible? Find out the best times to travel from Siem Reap to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airlines are available on the route from Siem Reap to Phnom Penh?
2 airlines operate flights between Siem Reap and Phnom Penh. The airlines offering direct flights on this route include:

• Cambodia Angkor Air
• Cambodia Airways
Which airports can I use when flying from Siem Reap to Phnom Penh?
Flights from Siem Reap to Phnom Penh usually depart from Siem Reap–Angkor Intl (SAI) and arrive at Phnom Penh Techo Intl (KTI).
Which airlines include bags at no extra cost on Siem Reap to Phnom Penh flights?
Here are some options for this route, based on selected ticket types and cabin classes:

• Cambodia Angkor Air: a cabin bag and a checked bag in Economy class
• Cambodia Airways: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.
Can I save money by using flexible dates for flights from Siem Reap to Phnom Penh?
Yes. Being flexible with your travel dates can save you up to 65% on the Siem Reap to Phnom Penh route. Thursday is the cheapest departure day at £58 return on average, while Monday is the most expensive at £165, a difference of £107. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How are flight departures from Siem Reap to Phnom Penh spread across the day?
Evening is the busiest departure period on Siem Reap to Phnom Penh flights, with 50% leaving in that window. Afternoon departures account for 25%, Night flights for 25%, and Morning flights for 0%.
What are the earliest and latest flights from Siem Reap to Phnom Penh?
These are the earliest and latest flight times available from Siem Reap to Phnom Penh:

• Earliest: departs at 11:30 and lands at 12:29
• Latest: departs at 22:25 and lands at 23:24.

The flight takes about 0h 59m.
How long is a flight from Siem Reap to Phnom Penh?
A direct flight from Siem Reap to Phnom Penh takes 0h 59m, covering 147 miles.
Do I need a passport to fly from Siem Reap to Phnom Penh?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
How are flight prices from Siem Reap to Phnom Penh looking right now?
One-way fares from Siem Reap to Phnom Penh are currently lower than usual. Average one-way flight prices are about £60, which is 12% below the typical average for this route.
How much should I expect to pay for a Siem Reap to Phnom Penh flight?
Return flights from Siem Reap to Phnom Penh range from £91 to £155, with an average of £125 over the past 12 months. Anything below £91 counts as a good deal.

If your dates are flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average £58 – about £107 less than Monday (65% savings) based on the last 12 months.
If you can choose when to travel, plan your Siem Reap to Phnom Penh trip for September. Fares historically average £58 return in that month – typically £114 less than the most expensive month, which is March (based on the last 12 months).

Direct departures

Siem Reap–Angkor Intl to Phnom Penh Techo Intl

Monday