SIN - SAI

£102 Find Cheap Flights from Singapore to Siem Reap – Compare and Save

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Everything you should know

Cheapest return flight
£175
Typical prices: £197-£291
Singapore Airlines
Sat 6/1Wed 10/1
SIN - SAI • Direct
Cheapest one-way flight
£102
Typical prices: £138-£161
VietJet Air
Fri 26/10
SIN - SAI • 1 stop
Direct flights
You can fly direct with Singapore Airlines. Average duration is 2h 18m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 21 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 11% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £203 (return)
Shortest trip • 5h 54m (one-way)
Insights
Insights
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We hope you enjoy your trip to Siem Reap!
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Booking Insights
Flight Deals

Cheap Flights from Singapore to Siem Reap (SIN-SAI)

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

Recent return flight deals from Singapore to Siem Reap

Wed, 6 Jan - Sun, 10 Jan
Singapore Airlines Logo
14:40 - 16:00SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 20mdirect
Singapore Airlines Logo
10:45 - 14:15SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£175Singapore Airlines
Tue, 5 Jan - Fri, 8 Jan
Singapore Airlines Logo
14:40 - 16:00SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 20mdirect
Singapore Airlines Logo
10:45 - 14:15SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£175Singapore Airlines
Tue, 19 Jan - Thu, 28 Jan
Singapore Airlines Logo
14:40 - 16:00SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 20mdirect
Singapore Airlines Logo
10:45 - 14:15SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£175Singapore Airlines
Thu, 29 Oct - Sun, 1 Nov
Singapore Airlines Logo
14:40 - 16:00SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 20mdirect
Singapore Airlines Logo
10:45 - 14:15SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£177Singapore Airlines
Sat, 21 Nov - Thu, 26 Nov
Singapore Airlines Logo
14:40 - 16:00SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 20mdirect
Singapore Airlines Logo
10:45 - 14:15SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£188Singapore Airlines
Tue, 3 Nov - Wed, 11 Nov
Singapore Airlines Logo
14:40 - 16:00SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 20mdirect
Singapore Airlines Logo
16:50 - 20:20SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£191Singapore Airlines
Thu, 4 Mar - Thu, 11 Mar
Singapore Airlines Logo
08:40 - 09:55SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
2h 15mdirect
Singapore Airlines Logo
10:45 - 14:15SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
2h 30mdirect
£197Singapore Airlines
Thu, 4 Mar - Thu, 11 Mar
Vietnam Airlines Logo
18:25 - 20:30SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
27h 05m1 stop Ho Chi Minh City
Vietnam Airlines Logo
21:30 - 19:25SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
20h 55m1 stop Ho Chi Minh City
£210Vietnam Airlines
Thu, 4 Mar - Thu, 11 Mar
Vietnam Airlines Logo
16:20 - 16:10SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
24h 50m2 stops Hanoi Noibai Luang Prabang
Vietnam Airlines Logo
21:30 - 19:25SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
20h 55m1 stop Ho Chi Minh City
£218Vietnam Airlines
Mon, 4 Jan - Thu, 7 Jan
VietJet Air Logo
14:55 - 18:05SIN  Singapore Changi-SAI Siem Reap–Angkor Intl
28h 10m1 stop Hanoi Noibai
VietJet Air Logo
19:05 - 13:55SAI  Siem Reap–Angkor Intl-SIN Singapore Changi
17h 50m1 stop Hanoi Noibai
£220VietJet Air
Booking Insights

Price, demand, and travel trends for Singapore to Siem Reap flights

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

How much is a return flight from Singapore to Siem Reap?

Return flights from Singapore to Siem Reap start at £175. Prices are below average for this route right now, with typical return fares ranging from £197 to £291. The lowest price found in the past 5 days was £175 on Singapore Airlines.

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

Monday is the cheapest day of the week to fly from Singapore to Siem Reap and is 11% cheaper than the average day. Saturday is the most expensive day with flight prices 24% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Singapore to Siem Reap?

•August is the cheapest month to fly from Singapore to Siem Reap at £202 return.
•February (£304) and March (£262) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Singapore to Siem Reap the cheapest?

Flights from Singapore to Siem Reap are cheapest 21 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.

Key details for Singapore to Siem Reap flights

Low season

August

Cheapest flight

£102
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (10% more expensive on average)
Flights from Singapore to Siem Reap

When to book flights from Singapore to Siem Reap

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

Your Singapore to Siem Reap flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What are the earliest and latest flights from Singapore to Siem Reap?

    These are the earliest and latest flight times available from Singapore to Siem Reap:

    • Earliest: departs at 08:25 and lands at 10:43
    • Latest: departs at 14:40 and lands at 16:58.

    The flight takes about 2h 18m.

  • How long is a flight from Singapore to Siem Reap?

    A direct flight from Singapore to Siem Reap takes 2h 18m, covering 830 miles.

  • Do I need a passport to fly from Singapore to Siem Reap?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Singapore to Siem Reap flight?

    Return flights from Singapore to Siem Reap range from £197 to £291, with an average of £226 over the past 12 months. Anything below £197 counts as a good deal.

  • How expensive are last-minute Singapore to Siem Reap flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 12% above the route average of £226. Book 21 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Singapore to Siem Reap?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £203 return via Hanoi Noibai (HAN), compared with £225 for direct.

  • How does Singapore Airlines's on-time performance compare to other airlines on Singapore to Siem Reap flights?

    Singapore Airlines is the only airline operating Singapore to Siem Reap flights. 91% of its flights are on time.

  • How are flight departures from Singapore to Siem Reap spread across the day?

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

  • Have flight prices from Singapore to Siem Reap changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £175 to £724. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Singapore to Siem Reap looking right now?

    One-way fares from Singapore to Siem Reap are currently lower than usual. Average one-way flight prices are about £118, which is 19% below the typical average for this route.

  • Which airports can I use when flying from Singapore to Siem Reap?

    Flights from Singapore to Siem Reap usually depart from Singapore Changi (SIN) and arrive at Siem Reap–Angkor Intl (SAI).

  • How do delay rates compare for morning and evening flights from Singapore to Siem Reap?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • At what point is a flight considered delayed on the route from Singapore to Siem Reap?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Singapore to Siem Reap route, 9% of flights were delayed in the past 3 months, with delays averaging 1 hour 24 minutes.

  • Which airports do connecting flights from Singapore to Siem Reap pass through?

    One-stop flights from Singapore to Siem Reap most commonly connect through:

    • Ho Chi Minh City (SGN) – 65% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 14% of one-stop connections
    • Hanoi Noibai (HAN) – 10% of one-stop connections
    • Phnom Penh Techo Intl (KTI) – 10% of one-stop connections

    Ho Chi Minh City (SGN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Singapore to Siem Reap?

    Yes. Being flexible with your travel dates can save you up to 29% on the Singapore to Siem Reap route. Monday is the cheapest departure day at £202 return on average, while Saturday is the most expensive at £282, a difference of £80. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines are available on the route from Singapore to Siem Reap?

    Only Singapore Airlines operates flights between Singapore and Siem Reap.

  • How much time can I save by choosing a different stopover airport from Singapore to Siem Reap?

    Flying via Phnom Penh Techo Intl (KTI) gives the shortest average 1-stop total travel time of 5h 54m, compared to 7h 45m via Kuala Lumpur Intl (KUL) and 11h 11m via Ho Chi Minh City (SGN).

  • What is the time difference between Singapore and Siem Reap?

    Siem Reap is 1 hour behind Singapore (Indochina Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Siem Reap?

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

  • Which airlines offer extra legroom and free seat selection on Singapore to Siem Reap flights?

    Among airlines operating Singapore to Siem Reap flights:

    • Singapore Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Singapore to Siem Reap flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Singapore Airlines: 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.

Your guide to booking Singapore to Siem Reap flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average £202 – about £80 less than Saturday (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 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 Singapore to Siem Reap trip for August. Fares historically average £202 return in that month – typically £101 less than the most expensive month, which is February (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Hanoi Noibai Airport (HAN) can be cheaper than flying direct. The cheapest stopover option averages £203 return on this route – about £22 less than direct flights (based on the last 12 months).

Prefer to fly direct from Singapore to Siem Reap?

 
Find which airlines fly direct from Singapore Changi Airport to Siem Reap–Angkor Intl Airport, which days they fly and book direct flights.

Direct departures

Singapore Changi to Siem Reap–Angkor Intl

Monday

Singapore Airlines

Singapore Airlines

Tuesday

Singapore Airlines

Singapore Airlines

Wednesday

Singapore Airlines

Singapore Airlines

Thursday

Singapore Airlines

Singapore Airlines

Friday

Singapore Airlines

Singapore Airlines

Saturday

Singapore Airlines

Singapore Airlines

Sunday

Singapore Airlines

Singapore Airlines

See more direct flights

Direct returns

Siem Reap–Angkor Intl to Singapore Changi

Monday

Singapore Airlines

Singapore Airlines

Tuesday

Singapore Airlines

Singapore Airlines

Wednesday

Singapore Airlines

Singapore Airlines

Thursday

Singapore Airlines

Singapore Airlines

Friday

Singapore Airlines

Singapore Airlines

Saturday

Singapore Airlines

Singapore Airlines

Sunday

Singapore Airlines

Singapore Airlines

See more direct flights

More options for your flight from Singapore to Siem Reap

Complete your trip to Siem Reap with a hotel stay or car hire