Can I find cheaper flights to Siem Reap if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Siem Reap on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Siem Reap?

Based on reviews from Cheapflights users, Singapore Airlines is rated the highest out of the airlines that fly to Siem Reap.

What is the cheapest airport to fly to in Siem Reap?

Siem Reap–Angkor Intl is currently the cheapest airport to fly to in Siem Reap. One-way flights to Siem Reap–Angkor Intl typically cost £30, while return flights cost around £160.

How much is a return flight to Siem Reap?

A return flight to Siem Reap will typically cost around £187, however they can be found for as little as £160.

Where does the fastest flight to Siem Reap depart from?

For those looking to save time traveling to Siem Reap, London offers the quickest one-way flight (16 hours 30 minutes).

Does Siem Reap–Angkor Intl have car hire?

Yes. Those touching down at Siem Reap–Angkor Intl can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Siem Reap–Angkor Intl?

Yes. Siem Reap–Angkor Intl has hotels nearby for those requiring accommodations. Beng Mealea Lodge is the closest property to Siem Reap–Angkor Intl (6.0 mi away from Siem Reap–Angkor Intl).

£306+ Cheap Flights to Siem Reap

Flights to Siem Reap in 2026

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights to Siem Reap
Explore the most affordable flight options available to Siem Reap. Find the lowest fares based on data from user searches, with prices last updated on 30 October 2026.

Wed 9/1216:45 -

3 stops33h 30m

Wed 16/1213:20 -

3 stops34h 20m

Deal found 25/10£604

Wed 25/1110:30 -

2 stops23h 25m

Fri 4/1222:25 -

2 stops22h 35m

Deal found 26/10£614

Tue 10/1121:00 -

2 stops40h 05m

Sat 5/1221:05 -

2 stops51h 25m

Deal found 29/10£624

Thu 3/1212:30 -

2 stops48h 35m

Thu 17/1221:05 -

2 stops40h 20m

Deal found 26/10£624

Tue 24/1121:00 -

3 stops40h 05m

Tue 1/1221:05 -

2 stops27h 25m

Deal found 25/10£625

Thu 12/1110:40 -

2 stops24h 25m

Wed 2/1217:40 -

1 stop34h 25m

Deal found 26/10£631

Thu 12/1110:40 -

2 stops24h 25m

Tue 1/1217:40 -

1 stop28h 55m

Deal found 26/10£633

Mon 16/1110:40 -

2 stops24h 25m

Wed 2/1217:40 -

1 stop34h 25m

Deal found 26/10£643

Thu 3/1219:55 -

2 stops38h 00m

Wed 16/1216:50 -

1 stop32h 05m

Deal found 26/10£644

Fri 4/1217:00 -

2 stops44h 05m

Tue 22/1221:05 -

3 stops40h 25m

Deal found 25/10£648

Sun 15/1121:00 -

2 stops40h 05m

Sun 6/1221:05 -

3 stops51h 25m

Deal found 27/10£651

Sat 14/1121:00 -

3 stops64h 05m

Sun 29/1121:05 -

3 stops40h 20m

Deal found 26/10£651

Best flights to Siem Reap
Discover carefully curated flight deals to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Thu 3/1207:40 -

2 stops27h 50m

Mon 14/1209:55 -

2 stops29h 10m

Deal found 28/10£696

Thu 3/1208:30 -

2 stops27h 00m

Mon 21/1216:50 -

2 stops22h 00m

Deal found 27/10£732

Wed 6/114:05 -

2 stops24h 05m

Sat 6/323:50 -

2 stops25h 25m

Deal found 27/10£761

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1220:30 -

1 stop17h 45m

Deal found 29/10£778

Sat 23/120:55 -

2 stops29h 20m

Fri 5/213:20 -

2 stops24h 20m

Deal found 25/10£927

Thu 3/1221:20 -

1 stop14h 10m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 28/10£947

Thu 3/1213:45 -

2 stops21h 45m

Thu 10/1209:55 -

2 stops18h 45m

Deal found 26/10£742

Thu 3/1213:45 -

2 stops21h 45m

Sat 12/1209:55 -

2 stops18h 45m

Deal found 26/10£745

Fri 22/114:05 -

2 stops24h 05m

Thu 4/223:50 -

2 stops25h 25m

Deal found 25/10£783

Tue 10/1111:00 -

1 stop27h 45m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 28/10£842

Wed 9/1209:00 -

2 stops26h 30m

Wed 16/1209:55 -

2 stops28h 45m

Deal found 25/10£785

Fri 15/114:05 -

2 stops24h 05m

Tue 26/123:50 -

2 stops25h 25m

Deal found 28/10£786

Sun 17/107:00 -

3 stops26h 05m

Fri 12/218:55 -

3 stops27h 00m

Deal found 28/10£800

Tue 19/120:15 -

2 stops41h 55m

Sat 6/223:50 -

2 stops25h 25m

Deal found 25/10£787

Fri 4/1212:05 -

2 stops23h 25m

Thu 10/1209:55 -

2 stops18h 45m

Deal found 26/10£800

Wed 20/111:00 -

1 stop22h 55m

Mon 1/218:50 -

1 stop19h 25m

Deal found 25/10£894

Sun 17/108:20 -

3 stops24h 45m

Fri 12/218:55 -

3 stops26h 30m

Deal found 28/10£827

Sun 17/114:05 -

2 stops48h 05m

Sat 6/223:50 -

2 stops25h 25m

Deal found 25/10£787

Fri 22/113:40 -

2 stops24h 30m

Thu 4/223:50 -

2 stops25h 35m

Deal found 25/10£789

Mon 8/307:30 -

2 stops25h 30m

Fri 19/315:00 -

3 stops26h 50m

Deal found 28/10£878

Fri 22/113:40 -

2 stops24h 30m

Sat 6/223:50 -

2 stops25h 35m

Deal found 25/10£789

Wed 27/115:05 -

3 stops23h 05m

Sun 7/218:55 -

3 stops25h 30m

Deal found 27/10£899

Wed 6/114:05 -

2 stops24h 05m

Fri 26/213:20 -

2 stops29h 45m

Deal found 27/10£798

Mon 16/1113:20 -

3 stops24h 50m

Fri 20/1115:35 -

3 stops26h 15m

Deal found 27/10£914

Wed 6/114:05 -

2 stops24h 05m

Tue 2/313:20 -

2 stops29h 45m

Deal found 27/10£802

Wed 13/115:05 -

3 stops23h 05m

Fri 29/109:50 -

2 stops19h 00m

Deal found 28/10£930

Wed 2/1214:05 -

2 stops24h 05m

Thu 10/1223:50 -

2 stops25h 25m

Deal found 26/10£803

Sun 17/108:20 -

3 stops24h 45m

Sun 31/109:50 -

2 stops19h 30m

Deal found 26/10£957

Thu 3/1220:15 -

2 stops41h 55m

Thu 10/1223:50 -

2 stops25h 25m

Deal found 26/10£803

Wed 2/1213:40 -

2 stops24h 30m

Sat 12/1223:50 -

2 stops25h 35m

Deal found 26/10£805

Find flight deals to Siem Reap

Return from	£599
One-way from	£306
Popular in	December
Cheapest in	July
Average price	£767

China Eastern
20/1-4/2
4 total stops
74h 30m total
London to Siem Reap

Search Deals

21/1-31/12
3 total stops
38h 30m total
London to Siem Reap

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£29 potential savings vs. average return price).

Search Deals

Average for return flights in October 2026

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 12/11

18:00-20:05

3 stops43h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sat 14/11

17:00-16:05

3 stops40h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£346

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Wed 9/12

06:10-18:05

3 stops28h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£365

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Wed 4/11

19:50-17:40

3 stops38h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£380

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Sun 24/1

09:10-14:50

3 stops46h 40m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£385

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 9/11

22:35-16:05

3 stops34h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£385

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Fri 5/2

14:40-09:15

3 stops35h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£388

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 9/11

19:10-16:05

3 stops37h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£388

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 12/11

22:30-16:55

2 stops35h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£393

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Wed 9/12

16:40-08:45

3 stops33h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£397

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap with our price prediction graph.

LHR-SAI

LGW-SAI

STN-SAI

LTN-SAI

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Siem Reap

LON-KHSI

LHR-SAI

LGW-SAI

STN-SAI

LTN-SAI

How long is the flight to Siem Reap?

On average, a flight from London to Siem Reap takes 19 hours 15 minutes. Flights to Siem Reap from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Siem Reap?

The most popular airlines flying from London to Siem Reap are Singapore Airlines, Vietnam Airlines and Thai Airways.

What are the cheapest airlines that fly to Siem Reap?

The cheapest airlines flying from London to Siem Reap are Singapore Airlines, Vietnam Airlines and Thai Airways.

Rainfall in Siem Reap by month

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

Temperature in Siem Reap by month

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

Reviews of airlines servicing Siem Reap

Read through reviews of airlines serving Cambodia, such as Singapore Airlines,Vietnam Airlines, andBritish Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,631 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Singapore Airlines

8.2

Very Good

1,631 reviews

Singapore Airlines

8.2

Very Good

1,631 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Vietnam Airlines

7.7

Good

294 reviews

Singapore Airlines

8.2

Very Good

1,631 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

British Airways

6.7

Okay

8,277 reviews

Singapore Airlines

8.2

Very Good

1,631 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

FAQs about flying to Siem Reap

Can I find cheaper flights to Siem Reap if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Siem Reap on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Siem Reap?
Based on reviews from Cheapflights users, Singapore Airlines is rated the highest out of the airlines that fly to Siem Reap.
What is the cheapest airport to fly to in Siem Reap?
Siem Reap–Angkor Intl is currently the cheapest airport to fly to in Siem Reap. One-way flights to Siem Reap–Angkor Intl typically cost £30, while return flights cost around £160.
How much is a return flight to Siem Reap?
A return flight to Siem Reap will typically cost around £187, however they can be found for as little as £160.
Where does the fastest flight to Siem Reap depart from?
For those looking to save time traveling to Siem Reap, London offers the quickest one-way flight (16 hours 30 minutes).
Does Siem Reap–Angkor Intl have car hire?
Yes. Those touching down at Siem Reap–Angkor Intl can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Siem Reap–Angkor Intl?
Yes. Siem Reap–Angkor Intl has hotels nearby for those requiring accommodations. Beng Mealea Lodge is the closest property to Siem Reap–Angkor Intl (6.0 mi away from Siem Reap–Angkor Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top Siem Reap destinations

Popular flights to Siem Reap cities

Complete your trip

Popular routes from Siem Reap

Flights by cabin class

Popular flights

Popular destinations

Popular routes

Popular Cambodia flight routes

Airlines

Find flights to Siem Reap cities and airports

Flights to Siem Reap

Fly with Cheapflights

How does Cheapflights help users find flights to Siem Reap?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Siem Reap today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets to Siem Reap?

Cheapflights helps you find that perfect flight to Siem Reap by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Siem Reap with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Siem Reap, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights to Siem Reap become cheaper?

Of course! You can track prices for flights to Siem Reap and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

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£306+ Cheap flights to Siem Reap

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Siem Reap in 2026

Cheapest flights to Siem ReapExplore the most affordable flight options available to Siem Reap. Find the lowest fares based on data from user searches, with prices last updated on 30 October 2026.

Explore the most affordable flight options available to Siem Reap. Find the lowest fares based on data from user searches, with prices last updated on 30 October 2026.

Best flights to Siem ReapDiscover carefully curated flight deals to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights to Siem ReapDiscover last-minute flight deals to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights to Siem ReapSearch for one-way flight options to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals to Siem Reap

Return from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights to Siem Reap that are best for you.

Best time to book a flight to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap with our price prediction graph.

Cheapflights Insights

How long is the flight to Siem Reap?

On average, a flight from London to Siem Reap takes 19 hours 15 minutes. Flights to Siem Reap from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Siem Reap?

The most popular airlines flying from London to Siem Reap are Singapore Airlines, Vietnam Airlines and Thai Airways.

What are the cheapest airlines that fly to Siem Reap?

The cheapest airlines flying from London to Siem Reap are Singapore Airlines, Vietnam Airlines and Thai Airways.

Rainfall in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

Temperature in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average temperature totals by month.

Reviews of airlines servicing Siem Reap

Read through reviews of airlines serving Cambodia, such as Singapore Airlines,Vietnam Airlines, andBritish Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Siem Reap

Can I find cheaper flights to Siem Reap if I am willing to have stopovers?

What is the best airline to fly to Siem Reap?

What is the cheapest airport to fly to in Siem Reap?

How much is a return flight to Siem Reap?

Where does the fastest flight to Siem Reap depart from?

Does Siem Reap–Angkor Intl have car hire?

Are there hotels close to Siem Reap–Angkor Intl?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find flights to Siem Reap cities and airports

Select your preferred flight destination in Siem Reap from the list below.

Domestic flights to Siem Reap

The most popular flights to Siem Reap we’ve come across at this time.

Complete your trip

Complete your trip to Siem Reap by booking a hire car and/or hotel room.

Popular flight routes departing from Siem Reap

Check out these popular flight routes departing from Siem Reap. Flights updated 30 October 2026.

Search flights to Siem Reap by cabin class

Find flights to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Browse our most popular destinations

Most traveled routes by our users

Popular Cambodia flight routes

Browse through the most popular flight routes to Cambodia at this time.

Fly your favourite airline to Siem Reap

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Fly with Cheapflights

How does Cheapflights help users find flights to Siem Reap?

Why should you use Cheapflights to find cheap flight tickets to Siem Reap?

Can Cheapflights find flights to Siem Reap with no change fees?

Can Cheapflights notify me if prices for flights to Siem Reap become cheaper?

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Book with Flexibility

Travel Smart

Cheapest flights to Siem Reap
Explore the most affordable flight options available to Siem Reap. Find the lowest fares based on data from user searches, with prices last updated on 30 October 2026.

Best flights to Siem Reap
Discover carefully curated flight deals to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights to Siem Reap
Discover last-minute flight deals to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights to Siem Reap
Search for one-way flight options to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.