BKK - SAI

₪335 Find Cheap Flights from Bangkok to Siem Reap - Compare and Save

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Everything you should know

Cheapest round-trip
₪680
Typical prices: ₪667–₪916
Bangkok Airways
Fri 09.03Fri 16.03
BKK - SAI • Non-stop
Cheapest one-way
₪335
Typical prices: ₪352-₪473
Bangkok Airways
Wed 28.02
BKK - SAI • Non-stop
Nonstop flights
You can fly nonstop with Bangkok Airways, Cambodia Airways and others. Average duration is 1h 17m.
Nonstop flights
+1
Nonstop flights
+1
Avoid delays
Most punctual • 95% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 19 weeks in advance save around 23% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Siem Reap!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Siem Reap (BKK-SAI)

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

Recent round-trip flight deals from Suvarnabhumi to Siem Reap

Tue, 9 Mar - Tue, 16 Mar
Bangkok Airways Logo
07:55 - 09:15BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Bangkok Airways Logo
13:20 - 14:45SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 25mnonstop
₪680Bangkok Airways
Sat, 28 Nov - Tue, 1 Dec
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪686Emirates
Tue, 1 Dec - Thu, 3 Dec
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪689Emirates
Tue, 9 Feb - Sat, 13 Feb
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪692Emirates
Tue, 22 Dec - Tue, 29 Dec
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪695Emirates
Sat, 9 Jan - Sat, 16 Jan
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪698Emirates
Tue, 29 Dec - Sat, 30 Jan
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪729Emirates
Sat, 13 Feb - Thu, 18 Feb
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪733Emirates
Thu, 14 Jan - Thu, 4 Feb
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪736Emirates
Sat, 2 Jan - Sat, 30 Jan
Emirates Logo
19:50 - 21:10BKK  Bangkok Suvarnabhumi-SAI Siem Reap–Angkor Intl
1h 20mnonstop
Emirates Logo
23:50 - 01:10SAI  Siem Reap–Angkor Intl-BKK Bangkok Suvarnabhumi
1h 20mnonstop
₪773Emirates
Booking Insights

Price, demand, and travel trends for Bangkok Suvarnabhumi Airport to Siem Reap flights

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

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Siem Reap?

Round-trip flights from Bangkok Suvarnabhumi Airport to Siem Reap typically range from ₪667 to ₪916. The lowest price found in the past 5 days was ₪680, on Bangkok Airways.

What's the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Siem Reap?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Siem Reap. It’s 7% cheaper than the average day, while Sunday is the most expensive, with prices 16% higher.

What’s the cheapest month to fly from Bangkok Suvarnabhumi Airport to Siem Reap?

•June is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Siem Reap at ₪667 round-trip.
•December (₪847) and July (₪832) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 26% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok Suvarnabhumi Airport to Siem Reap the cheapest?

Flights from Bangkok Suvarnabhumi Airport to Siem Reap are cheapest 19 weeks before departure. Booking in this window typically costs about 23% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Bangkok Suvarnabhumi Airport to Siem Reap flights

Low season

April

Cheapest flight

₪335
Beat the crowds with an average 36% drop in travelers.
The most popular month to fly with an average 54% increase in travelers.
One-way flight from Bangkok Suvarnabhumi Airport to Siem Reap

When to book flights from Suvarnabhumi to Siem Reap

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

Your Bangkok Suvarnabhumi Airport to Siem Reap flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to Siem Reap?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to Siem Reap:

    • Earliest: departs at 07:40 and lands at 08:57
    • Latest: departs at 20:10 and lands at 21:27.

    The flight takes about 1h 17m.

  • How long is a flight from Bangkok Suvarnabhumi Airport to Siem Reap?

    A nonstop flight from Bangkok Suvarnabhumi Airport to Siem Reap takes 1h 17m, covering 606 km.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport 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 Bangkok Suvarnabhumi Airport to Siem Reap flight?

    Round-trip flights from Bangkok Suvarnabhumi Airport to Siem Reap range from ₪667 to ₪916, with an average of ₪755 over the past 12 months. Anything below ₪667 counts as a good deal.

  • How expensive are last-minute Bangkok Suvarnabhumi Airport to Siem Reap flights?

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the ₪755 route average. Book 19 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Bangkok Suvarnabhumi Airport to Siem Reap?

    On this route, layover flights are cheaper than direct options on average. Layover fares average ₪728 round-trip via Phnom Penh Techo Intl (KTI), compared to ₪757 for direct flights.

  • How does on-time performance compare across airlines flying from Bangkok Suvarnabhumi Airport to Siem Reap?

    Thai Airways is slightly above the route average for timely arrivals, while Emirates has a lower on-time arrival rate. On-time arrival rates on Bangkok Suvarnabhumi Airport to Siem Reap flights are:

    • Thai Airways: 95% on time
    • Emirates: 93% on time
    • Bangkok Airways: 89% on time

    Overall, flights on this route are punctual 90% of the time on average.

  • What is the standard checked bag allowance on flights from Bangkok Suvarnabhumi Airport to Siem Reap?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge ₪36–₪231 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from Bangkok Suvarnabhumi Airport to Siem Reap spread across the day?

    Morning is the busiest departure period on Bangkok Suvarnabhumi Airport to Siem Reap flights, with 60% of flights leaving in that window. Evening departures account for 40%, afternoon flights for 0%, and night flights for 0%.

  • Have flight prices from Bangkok Suvarnabhumi Airport to Siem Reap changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about ₪680 to ₪2,822. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Bangkok Suvarnabhumi Airport to Siem Reap looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Siem Reap are currently lower than usual. Average one-way flight prices are about ₪364, which is 8% below the typical average for this route.

  • Which airports can I use when flying from Bangkok Suvarnabhumi Airport to Siem Reap?

    Flights from Bangkok Suvarnabhumi Airport to Siem Reap usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Siem Reap–Angkor Intl (SAI).

  • What time of day has the fewest delays on flights from Bangkok Suvarnabhumi Airport to Siem Reap?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight from Bangkok Suvarnabhumi Airport to Siem Reap considered delayed?

    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 Bangkok Suvarnabhumi Airport to Siem Reap route, 10% of flights were delayed in the past 3 months, with delays averaging 1h 28m.

  • Which airports do connecting flights from Bangkok Suvarnabhumi Airport to Siem Reap pass through?

    Most connecting flights from Bangkok Suvarnabhumi Airport to Siem Reap pass through Phnom Penh Techo Intl (KTI), which handles 100% of one-stop traffic on this route.

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

    Yes. Flexible dates can save you up to 20% on flights from Bangkok Suvarnabhumi Airport to Siem Reap. Saturday is the cheapest departure day at ₪702 round-trip on average, while Sunday is the most expensive at ₪875, a difference of ₪174.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Bangkok Suvarnabhumi Airport to Siem Reap?

    4 airlines operate flights between Bangkok Suvarnabhumi Airport and Siem Reap. The airlines offering direct flights on this route include:

    • Bangkok Airways
    • Cambodia Airways
    • Thai Airways
    • Emirates

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

    Among airlines operating Bangkok Suvarnabhumi Airport to Siem Reap flights:

    • Bangkok Airways: offers free seat selection
    • Cambodia Airways: offers free seat selection
    • Thai Airways: offers free seat selection
    • Emirates: 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 Bangkok Suvarnabhumi Airport to Siem Reap flights?

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

    • Bangkok Airways: a cabin bag and a checked bag in Economy Class
    • Cambodia Airways: a cabin bag and a checked bag in Economy Class
    • Thai Airways: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Bangkok Suvarnabhumi Airport 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 Saturday departure and avoid flying on Sunday. On this route, Saturday flights average ₪702, about ₪174 less than Sunday fares (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 23% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Siem Reap trip for June. Fares historically average ₪667 round-trip in that month - typically ₪180 less than the most expensive month, which is December (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 95% of Thai Airways flights from Bangkok Suvarnabhumi Airport to Siem Reap arrived on time, slightly above the route average of 90%. When flights on this route arrive late, they're delayed by an average of 1h 28m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Phnom Penh Techo Intl Airport (KTI) can be cheaper than flying nonstop. The cheapest layover option averages ₪728 round-trip on this route – about ₪29 less than nonstop flights (based on the last 12 months).

Prefer to fly non-stop from Bangkok Suvarnabhumi to Siem Reap–Angkor Intl?

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

Nonstop departures

Bangkok Suvarnabhumi to Siem Reap–Angkor Intl

Monday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

Tuesday

Bangkok Airways,Cambodia Airways,Emirates, +1 more

Bangkok Airways,Cambodia Airways, +2 more

Wednesday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

Thursday

Bangkok Airways,Cambodia Airways,Emirates, +1 more

Bangkok Airways,Cambodia Airways, +2 more

Friday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

Saturday

Bangkok Airways,Cambodia Airways,Emirates, +1 more

Bangkok Airways,Cambodia Airways, +2 more

Sunday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

See more direct flights

Nonstop returns

Siem Reap–Angkor Intl to Bangkok Suvarnabhumi

Monday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

Tuesday

Bangkok Airways,Cambodia Airways,Emirates, +1 more

Bangkok Airways,Cambodia Airways, +2 more

Wednesday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

Thursday

Bangkok Airways,Cambodia Airways,Emirates, +1 more

Bangkok Airways,Cambodia Airways, +2 more

Friday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

Saturday

Bangkok Airways,Cambodia Airways,Emirates, +1 more

Bangkok Airways,Cambodia Airways, +2 more

Sunday

Bangkok Airways,Cambodia Airways,Thai Airways

Bangkok Airways,Cambodia Airways, +1 more

See more direct flights

More options for your flight from Suvarnabhumi to Siem Reap

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