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

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

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

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

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

On the Phnom Penh to Siem Reap route, being flexible with your departure day can save you up to 12%. Saturday is the cheapest day at £117 return on average, while Tuesday is the most expensive at £133 – a £16 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

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

What popular places can I visit in Siem Reap?

Angkor National Museum is one of the most viewed places in Siem Reap on KAYAK.

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

These are the earliest and latest flight times available from Phnom Penh to Siem Reap: • Earliest: departs at 07:50 and lands at 08:47 • Latest: departs at 20:50 and lands at 21:47. The flight takes about 0h 57m.

How expensive are last-minute Phnom Penh to Siem Reap flights?

Last-minute fares on this route (booked within 2 weeks of departure) run 3% above the route average of £125. Book 10 weeks before departure for the lowest fares.

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

A direct flight from Phnom Penh to Siem Reap takes 0h 57m, covering 147 miles.

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

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 Phnom Penh to Siem Reap looking right now?

One-way fares from Phnom Penh to Siem Reap are currently lower than usual. Average one-way flight prices are about £61, which is 5% below the typical average for this route.

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

Return flights from Phnom Penh to Siem Reap range from £92 to £150, with an average of £125 over the past 12 months. Anything below £92 counts as a good deal.

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

Cambodia Angkor Air (£84) and Cambodia Airways (£109) are the cheapest airlines to fly return from Phnom Penh to Siem Reap according to KAYAK data over the last 5 days.

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

Cambodia Angkor Air and Cambodia Airways offer the most frequent direct flights from Phnom Penh to Siem Reap 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 Phnom Penh and Siem Reap?

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

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

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

£49 CHEAP FLIGHTS from Phnom Penh to Siem Reap (KTI - SAI)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

£79

Typical prices: £92-£150

Cambodia Airways, Cambodia Angkor Air

Sat 20/10Mon 22/10

KTI - SAI • Direct

Cheapest one-way flight

£49

Typical prices: £48-£81

Cambodia Airways

Fri 5/10

KTI - SAI • Direct

Direct flights

Every day

You can fly direct with Cambodia Angkor Air and Cambodia Airways. Average duration is 0h 57m

Direct flights

When to book

10 weeks

in advance

Our data shows that travellers who book at least 10 weeks in advance save around 28% compared to booking last minute.

Insights

When to travel

July

Cheapest • 39% price drop

December

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Siem Reap!

Flight Deals

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

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

Return

One-way

Last minute

Direct

Recent return flight deals from Phnom Penh to Siem Reap

Tue, 20 Oct - Thu, 22 Oct

09:30 - 10:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 00mdirect

£79Multiple Airlines

Mon, 8 Feb - Thu, 11 Feb

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

0h 55mdirect

22:25 - 23:20SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

£84Cambodia Angkor Air

Sun, 18 Oct - Sun, 25 Oct

16:55 - 17:50KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

19:30 - 20:25SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

£102Cambodia Angkor Air

Wed, 21 Oct - Thu, 22 Oct

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

1h 00mdirect

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

1h 10mdirect

£109Cambodia Airways

Wed, 21 Oct - Fri, 23 Oct

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

1h 00mdirect

11:30 - 12:35SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

£109Cambodia Airways

Tue, 20 Oct - Fri, 23 Oct

09:30 - 10:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

11:30 - 12:35SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

£111Cambodia Airways

Mon, 5 Oct - Wed, 7 Oct

16:00 - 17:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

20:20 - 21:25SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

£115Cambodia Airways

Sun, 18 Oct - Sat, 24 Oct

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

1h 00mdirect

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

1h 10mdirect

£119Cambodia Airways

Mon, 1 Mar - Thu, 11 Mar

10:45 - 11:40KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

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

0h 55mdirect

£119Cambodia Angkor Air

Fri, 12 Feb - Wed, 17 Feb

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

0h 50mdirect

15:50 - 16:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

£121Cambodia Angkor Air

Recent last minute flight deals from Phnom Penh to Siem Reap

Tue, 22 Sep - Thu, 24 Sep

07:50 - 08:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

16:30 - 17:30SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 00mdirect

£91Cambodia Angkor Air

Tue, 22 Sep - Sat, 26 Sep

07:50 - 08:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

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

0h 55mdirect

£91Cambodia Angkor Air

Mon, 21 Sep - Wed, 23 Sep

16:00 - 17:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 10mdirect

£92Cambodia Airways

Tue, 22 Sep - Wed, 23 Sep

09:30 - 10:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 10mdirect

£95Cambodia Airways

Mon, 21 Sep - Tue, 22 Sep

16:00 - 17:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 10mdirect

£95Cambodia Airways

Mon, 21 Sep - Fri, 25 Sep

16:00 - 17:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 10mdirect

£95Cambodia Airways

Mon, 21 Sep - Sun, 27 Sep

16:00 - 17:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 10mdirect

£95Cambodia Airways

Sun, 20 Sep - Thu, 24 Sep

08:05 - 09:00KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

16:30 - 17:30SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 00mdirect

£98Cambodia Angkor Air

Sun, 20 Sep - Sat, 26 Sep

08:05 - 09:00KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

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

0h 55mdirect

£98Cambodia Angkor Air

Tue, 22 Sep - Fri, 25 Sep

07:50 - 08:45KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

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

1h 05mdirect

£98Cambodia Angkor Air

Recent direct flight deals from Phnom Penh to Siem Reap

Tue, 20 Oct - Thu, 22 Oct

09:30 - 10:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

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

1h 00mdirect

£79Multiple Airlines

Mon, 8 Feb - Thu, 11 Feb

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

0h 55mdirect

22:25 - 23:20SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

£84Cambodia Angkor Air

Sun, 18 Oct - Sun, 25 Oct

16:55 - 17:50KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

19:30 - 20:25SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

£102Cambodia Angkor Air

Wed, 21 Oct - Thu, 22 Oct

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

1h 00mdirect

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

1h 10mdirect

£109Cambodia Airways

Wed, 21 Oct - Fri, 23 Oct

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

1h 00mdirect

11:30 - 12:35SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

£109Cambodia Airways

Tue, 20 Oct - Fri, 23 Oct

09:30 - 10:35KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

11:30 - 12:35SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

£111Cambodia Airways

Mon, 5 Oct - Wed, 7 Oct

16:00 - 17:05KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

1h 05mdirect

20:20 - 21:25SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

1h 05mdirect

£115Cambodia Airways

Sun, 18 Oct - Sat, 24 Oct

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

1h 00mdirect

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

1h 10mdirect

£119Cambodia Airways

Mon, 1 Mar - Thu, 11 Mar

10:45 - 11:40KTI Phnom Penh Techo Intl-SAI Siem Reap–Angkor Intl

0h 55mdirect

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

0h 55mdirect

£119Cambodia Angkor Air

Fri, 12 Feb - Wed, 17 Feb

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

0h 50mdirect

15:50 - 16:45SAI Siem Reap–Angkor Intl-KTI Phnom Penh Techo Intl

0h 55mdirect

£121Cambodia Angkor Air

Booking Insights

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

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

Prices

Airlines

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

Saturday is the cheapest day of the week to fly from Phnom Penh to Siem Reap and is 6% cheaper than the average day. Tuesday is the most expensive day with flight prices 6% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•July and August are the cheapest months to fly from Phnom Penh to Siem Reap at £76 return.
•April (£157) and May (£141) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 105% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Phnom Penh to Siem Reap the cheapest?

Flights from Phnom Penh to Siem Reap are cheapest 10 weeks before departure. Booking in this window typically costs about 28% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	May
High season	December
Cheapest flight	£49

Best time to beat the crowds but there is an average 13% increase in price.

Most popular time to fly (8% more expensive on average)

Flights from Phnom Penh to Siem Reap

When to book flights from Phnom Penh to Siem Reap

Are your dates flexible? Find out the best times to travel from Phnom Penh to Siem Reap 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 Phnom Penh to Siem Reap?
2 airlines operate flights between Phnom Penh and Siem Reap. The airlines offering direct flights on this route include:

• Cambodia Angkor Air
• Cambodia Airways
Which airports can I use when flying from Phnom Penh to Siem Reap?
Flights from Phnom Penh to Siem Reap usually depart from Phnom Penh Techo Intl (KTI) and arrive at Siem Reap–Angkor Intl (SAI).
Which airlines include bags at no extra cost on Phnom Penh to Siem Reap 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 Phnom Penh to Siem Reap?
On the Phnom Penh to Siem Reap route, being flexible with your departure day can save you up to 12%. Saturday is the cheapest day at £117 return on average, while Tuesday is the most expensive at £133 – a £16 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How are flight departures from Phnom Penh to Siem Reap spread across the day?
Morning is the busiest departure period on Phnom Penh to Siem Reap flights, with 50% leaving in that window. Afternoon departures account for 25%, Evening flights for 25%, and Night flights for 0%.
What popular places can I visit in Siem Reap?
Angkor National Museum is one of the most viewed places in Siem Reap on KAYAK.
What are the earliest and latest flights from Phnom Penh to Siem Reap?
These are the earliest and latest flight times available from Phnom Penh to Siem Reap:

• Earliest: departs at 07:50 and lands at 08:47
• Latest: departs at 20:50 and lands at 21:47.

The flight takes about 0h 57m.
How expensive are last-minute Phnom Penh to Siem Reap flights?
Last-minute fares on this route (booked within 2 weeks of departure) run 3% above the route average of £125. Book 10 weeks before departure for the lowest fares.
How long is a flight from Phnom Penh to Siem Reap?
A direct flight from Phnom Penh to Siem Reap takes 0h 57m, covering 147 miles.
Do I need a passport to fly from Phnom Penh to Siem Reap?
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 Phnom Penh to Siem Reap looking right now?
One-way fares from Phnom Penh to Siem Reap are currently lower than usual. Average one-way flight prices are about £61, which is 5% below the typical average for this route.
How much should I expect to pay for a Phnom Penh to Siem Reap flight?
Return flights from Phnom Penh to Siem Reap range from £92 to £150, with an average of £125 over the past 12 months. Anything below £92 counts as a good deal.

If your dates are flexible, aim for a Saturday departure instead of Tuesday. On this route, Saturday flights average £117 – about £16 less than Tuesday (12% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 28% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Phnom Penh to Siem Reap trip for July. Fares historically average £76 return in that month – typically £81 less than the most expensive month, which is April (based on the last 12 months).

Direct departures

Phnom Penh Techo Intl to Siem Reap–Angkor Intl

Monday