S$ 156+ Cheap flights from Siem Reap, Cambodia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18-3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAI — LHR
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Siem Reap
Explore the most affordable flight options available from Siem Reap. Find the lowest fares based on data from user searches, with prices last updated on 13 March 2026.

Tue 2-619:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Sat 6-614:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Deal found 10-3S$ 326
Thu 26-319:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Tue 31-314:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Deal found 11-3S$ 343
Fri 5-619:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Sun 7-614:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Deal found 10-3S$ 355
Thu 11-619:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Sun 14-614:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Deal found 11-3S$ 357
Wed 1-419:05
SAI
-
SIN
1 stop17h 50m
Multiple Airlines
Sun 5-413:10
SIN
-
SAI
1 stop6h 10m
Multiple Airlines
Deal found 11-3S$ 360
Thu 16-719:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Tue 21-714:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Deal found 10-3S$ 364
Sun 29-319:05
SAI
-
SIN
1 stop17h 50m
Multiple Airlines
Fri 3-413:10
SIN
-
SAI
1 stop6h 10m
Multiple Airlines
Deal found 10-3S$ 369
Thu 11-619:05
SAI
-
SIN
1 stop17h 50m
Multiple Airlines
Mon 15-613:10
SIN
-
SAI
1 stop6h 10m
Multiple Airlines
Deal found 11-3S$ 370
Fri 5-616:00
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Sun 7-613:50
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Deal found 10-3S$ 396
Fri 24-410:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Mon 27-408:25
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Deal found 10-3S$ 397
Thu 11-610:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Sun 14-613:50
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Deal found 11-3S$ 401
Fri 24-415:35
SAI
-
SIN
1 stop14h 40m
Multiple Airlines
Mon 27-413:10
SIN
-
SAI
1 stop6h 10m
Multiple Airlines
Deal found 10-3S$ 410

Find flights from Siem Reap within your budget

 
Find flights departing from Siem Reap that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 13 March 2026. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Fri 5-6

19:05-13:55

1 stop17h 50m

Singapore Changi

Sun 7-6

14:55-18:05

1 stop28h 10m

S$ 355

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Thu 11-6

19:05-13:55

1 stop17h 50m

Singapore Changi

Sun 14-6

14:55-18:05

1 stop28h 10m

S$ 357
Fastest return journey

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Fri 24-4

10:30-13:55

Nonstop2h 25m

Singapore Changi

Mon 27-4

08:25-09:40

Nonstop2h 15m

S$ 397

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Thu 11-6

10:30-13:55

Nonstop2h 25m

Singapore Changi

Sun 14-6

13:50-15:10

Nonstop2h 20m

S$ 401

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Fri 24-4

15:35-07:15

1 stop14h 40m

Singapore Changi

Mon 27-4

13:10-18:20

1 stop6h 10m

S$ 410

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Thu 11-6

10:30-13:55

Nonstop2h 25m

Singapore Changi

Mon 15-6

08:25-09:40

Nonstop2h 15m

S$ 410

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Fri 24-4

17:20-11:55

2 stops17h 35m

Singapore Changi

Mon 27-4

13:10-18:20

1 stop6h 10m

S$ 428

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Mon 30-3

19:10-17:25

1 stop21h 15m

Singapore Changi

Mon 6-4

13:10-18:20

1 stop6h 10m

S$ 433

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Wed 1-4

17:20-14:50

2 stops20h 30m

Singapore Changi

Fri 3-4

13:10-18:20

1 stop6h 10m

S$ 457

Siem ReapSingapore

SAI - SIN

SAISIN

Siem Reap–Angkor Intl

Thu 11-6

11:55-23:55

2 stops11h 00m

Singapore Changi

Mon 15-6

18:25-18:20

1 stop24h 55m

S$ 460

Flights are sorted by cheapest return flights first.

Deals found on 10-3

Showing 1-10 of 43 resultsSorted by cheapest first
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Best time to book a flight from Siem Reap

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

Travel insights for flights from Siem Reap

Get recent, data-driven insights about flights from Siem Reap including ideal travel times, pricing trends, and more.
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Direct flights from Cambodia

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Related info for your journey

Access useful and relevant information related to your journey from Siem Reap. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 13 March 2026.

  • What are the most popular destinations to fly to from Siem Reap?

    This month, the top selected destinations from Siem Reap are Bangkok Don Mueang Intl Airport, Bangkok Suvarnabhumi Airport, Krong Preah Sihanouk. Throughout the year, Bangkok Suvarnabhumi Airport, Bangkok Don Mueang Intl Airport, Kuala Lumpur Intl Airport are some of the top choices made by users flying from Siem Reap.

  • What is the cheapest flight from Siem Reap to anywhere?

    Users have flown out of Siem Reap for as low as S$ 141 to Bangkok Don Mueang Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 149 to fly from Siem Reap.

  • How does Cheapflights help users find flights from Siem Reap?

    Cheapflights makes it easy to find flights from Siem Reap by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

    Cheapflights simply makes it quick and affordable to book flights from Siem Reap by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Siem Reap with no change fees?

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

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

    Not ready to book yet? You can track prices for flights from Siem Reap on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

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How does Cheapflights help users find flights from Siem Reap?

Cheapflights makes it easy to find flights from Siem Reap by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Siem Reap by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Not ready to book yet? You can track prices for flights from Siem Reap on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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