
Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour
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September 2026
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Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
5.0/5
Based on 310 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour worth booking?
Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour is a 3-hour experience in Phnom Penh, Cambodia, from $12 per person. It scores 91 out of 100 on the Outty Ranking, which we label “90+ Club”, based on a 5/5 rating across 310 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing. It sits in the Outty 90+ Club, the top tier of everything we rank.
- Outty Ranking
- 91 / 100
- Rating
- 5/5 (310)
- Duration
- 3 hours
- From
- $12 per person
This half-day tour takes in memorials and museums from Cambodia’s recent history under the Khmer Rouge. An experienced guide will explain the significance of some key sites from during the regime’s reign.
What you get
About this experience
This half-day tour takes in memorials and museums from Cambodia’s recent history under the Khmer Rouge. An experienced guide will explain the significance of some key sites from during the regime’s reign.
What's included
Included
- Pick up and drop off at your hotel and tour transportation by private A/C car or minivan
- Mineral drinking water & cold towel
- English speaking tour guide, providing information along the way and at S21 & Killing Field.
Not included
- Entrance fees to Toul Sleng and Killing Fields
- Gratuities
- Personal expenses
What you'll see and do
Tuol Sleng Genocide Museum
This half-day tour will collect you from your accommodation and proceed to Toul Sleng, the former high school that became known as Security Prison 21 under the Khmer Rouge regime, to discover more about this period of Cambodian history.
60 minutes here · Admission not included
Choeung Ek Genocidal Center
Later, you will travel a little out of the city to Choeung Ek, commonly referred to as the killing fields. This memorial marks the site of many mass executions by the Khmer Rouge and provides further insight into the country’s recent history. This tour is also available in the afternoon upon request.
90 minutes here · Admission not included
Where it starts and ends
Hotel pickup
Pickup is included for all travelers. Pickup begins about 30 minutes before departure.
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- en
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Angkor7th Travel
Know before you go
- Public transportation options are available nearby
- Not recommended for travelers with poor cardiovascular health
- Suitable for all physical fitness levels
- Total duration of the tour includes travel time
Photos




What travelers are saying
Outty’s summary of the themes that recur across 307 traveler reviews. Written by us, not quoted from reviewers.
The guide
9 mentionsTravelers single out the guide as the reason the experience works.
Knowledge and storytelling
9 mentionsReviewers describe the commentary as informative rather than scripted.
Traveler reviews
307 verified traveler reviews for Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour. Ratings and reviews provided by Viator and Tripadvisor.
Emotionally beautiful tour
Nay was a great tour guide, very knowledgeable and emotionally informative. You can tell how much the history means to him, highly recommend!
via Tripadvisor
Great Tour
Nay did such a great job as our tour guide, explaining everything with care and respect. He explained everything so well and told us everything that was needed, I would definitely book with him again.
via Tripadvisor
Deeper Insight Into Cambodian's Dark Past
I took the tour to S-21 and the Killing Fields, and it was a very informative and emotional day. Our guide, Nay, did a great job of explaining the difficult history in a respectful and moving way. What I appreciated most was that Nay shared some personal stories about how his own family was affected. Meeting a prison survivor during the tour was also a rare and special opportunity. I am glad I got to learn more about Cambodia.
via Tripadvisor
Half-day S21 Prison and Killing Fields Tour with Ran
Our tour with Ran was incredibly insightful and he did an excellent job guiding us through this experience while enriching our group with a heavy history. I would highly recommend this tour, he was a very experienced guide with many stories and personal accounts to share. If you are visiting Cambodia this tour is a must
via Tripadvisor
Welcoming and informative.
Thank you Ran! Excellent tour. I learned a lot.
via Tripadvisor
Good to know
- Duration
- 3 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Price range
- $12 to $35
- Hotel pickup
- Included for all travelers
- Booked in 30 days
- 109
- Verdict
- 90+ Club
Why this scores 91
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Phnom Penh.
How much does Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour cost?
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Prices start at $12 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Phnom Penh usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour take?
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Plan for about 3 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Phnom Penh is not rushed.
Is Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour worth it?
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It holds an Outty Ranking of 91 out of 100, which we label "90+ Club". That score blends traveler sentiment (5/5 across 310 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable most highly reviewed in Phnom Penh, and how flexible the cancellation terms are. Scoring 90 or above puts it in the Outty 90+ Club, the top tier of everything we rank.
Can I cancel or reschedule Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 3-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour?
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Around 109 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Phnom Penh can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Phnom Penh and add a light layer if any part of the 3-hour experience runs outdoors or after sunset.
Where does Half Day Tuol Sleng S21 and Choeung Ek Killing Field Tour start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Phnom Penh within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Phnom Penh?
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On Outty we rank every Phnom Penh experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include The Killing Field and Toul Sleng Genocide Museum (S21) Tour, Killing field and Toul Sleng genocide museum Tour, Visit 11 Places in One Day including S21 & Killing Field. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Phnom Penh?
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Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Phnom Penh?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
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