40 Million
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5000+
Active bus operators
200000+
Daily bookings
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World’s largest bus ticket platform, now in Cambodia!
Last updated : 23/10/2025
From USD 8.00
USD 10.00
Cheapest Bus Tickets | USD 8.00 |
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Avg. Bus Duration | 4 hrs 45 mins |
First Bus & Last Bus | 17:30 & 17:30 |
Daily Bus Services | 1 buses |
Global customers
Active bus operators
Daily bookings
18 Years of experience you can trust
Female hotline, Instant resolution & refund, Self - support
Found a lower price? We’ll match it.
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Booking bus tickets from O Smach to Siem Reap is now advanced and mobile-friendly. You do not have to wait in line at the counter or search for a proper source. Log in to redBus and all the verified buses operating from the O Smach to Siem Reap route are listed on the page. Here you get safe vehicles, easy boarding points, flexible ticketing options designed to suit your travel needs and a comfortable journey.
redBus offers more than 200+ verified buses covering major routes of Cambodia. Some of the top operators in the O Smach to Siem Reap bus route are:
For O Smach to Siem Reap, the bus ticket price starts at USD 8. You can also take advantage of a few redBus discounts and promotions.
Enjoy fantastic travel offers with redBus Cambodia as you celebrate the holiday season. You can take advantage of special rewards and reduced bus rates, whether you're planning a vacation or returning home to your family. Since these holiday deals are only available briefly, keep a watch on the redBus website or app to ensure you don't miss out.
*T&C applied
Enjoy your bus trip from O Smach to Siem Reap ! You want to go the other way? check all offers from Siem Reap to O Smach
The current discounts available in the O Smach to Siem Reap bus routes are:
Up to 25% Off for Existing Users. Use code KHBUS and receive a 10% Discount of up to USD $1, plus 15% cashback of up to USD $3 within 1 hour of ticket booking.
Up to 50% OFF for New Users. Use code KHNEW and get a 20% off up to USD $2 + cashback 30% up to USD $4 within 1 hour of ticket booking.
redDeals are exclusive deals available on selected bus operators with a Flat USD $2 OFF. You can find redDeals listed on the redBus booking page, offer page, and mobile app.
The average duration to reach Siem Reap from O Smach via bus is 4
The bus ticket price from O Smach to Siem Reap starts at USD 8.
There are a total of 1 bus services from O Smach to Siem Reap.
Phnom Penh to Siem Reap BusBattambang to Siem Reap BusSihanouk Ville to Siem Reap BusPoi Pet to Siem Reap BusKampot to Siem Reap BusBangkok to Siem Reap BusBanteay Meanchey to Siem Reap BusKampong Cham to Siem Reap BusHồ Chí Minh to Siem Reap BusPursat to Siem Reap BusKratie to Siem Reap BusKampong Thom to Siem Reap BusPakse (Laos) to Siem Reap BusSiem Reap Angkor International Airport to Siem Reap BusKep to Siem Reap BusMondulkiri to Siem Reap BusPreah Vihear to Siem Reap BusKampong Speu to Siem Reap BusSuong to Siem Reap Busmore >>
E-Booking ExpressLarryta BusCambolink21 ExpressVireak Buntham ExpressCapitol Tour and TransportGiant IbisVET Airbus Express Rith Mony TransportEVGO ExpressChan Moly Roth
O Smach to Srei Snom BusO Smach to Kralanh BusO Smach to Banteay Chhmar BusO Smach to Phnom Penh BusO Smach to Stung Treng BusO Smach to Svay BusO Smach to Kampong Thom BusO Smach to Puok BusO Smach to Thmor Pouk BusO Smach to Svay Chek BusO Smach to Banteay Meanchey BusO Smach to Serei Soaphoan BusO Smach to Mondulkiri BusO Smach to Battambang BusO Smach to Rattanakiri BusO Smach to Chong Kal BusO Smach to Nuoc ngoai BusO Smach to Moung BusO Smach to Samrong Busmore >>
Tram Knar to Siem Reap BusSkun to Siem Reap BusBanteay Chhmar to Siem Reap BusKouk Mon to Siem Reap BusKoh Rong (4K Beach Port) to Siem Reap BusSuong to Siem Reap BusSvay Chek to Siem Reap BusRousse to Siem Reap BusNakasong (Laos) to Siem Reap BusMondulkiri to Siem Reap BusPhnom Penh to Siem Reap BusSvay to Siem Reap BusKep to Siem Reap BusBattambang to Siem Reap BusPakse (Laos) to Siem Reap BusChhuk to Siem Reap BusOddar Meanchey to Siem Reap BusKandal to Siem Reap BusPreah Vihear to Siem Reap BusTân Sơn Nhất to Siem Reap Busmore >>
Koh Nhaek to Mondulkiri BusSihanouk Ville to Phu Quoc BusDon Det (Laos) to Preah Vihear BusPhnom Penh to Mongkol Borei(BMC) BusSvay Antor to Nuoc ngoai BusKoh Rong (Long Set Beach) to Rạch Giá BusKratie to Siem Reap BusPakse (Laos) to Siem Reap BusPhnom Penh to Battambang BusSuong to Ratanakiri BusKampot to Pattaya BusMongkol Borei(BMC) to Svay Sisophon BusKoh Sdach to Phnom Penh BusKampong Cham to Suong BusBanteay Meanchey to Tân Sơn Nhất BusSteung Trang to Snoul BusPrek Chak-Hatien Border to Rousse BusMongkol Borei(BMC) to Banteay Meanchey BusTân Sơn Nhất to Sihanouk Ville BusSihanouk Ville to Kep Busmore >>
Olongpich TransportSeila Angkor Khmer ExpressSima ExpressSarah TransportVibol ExpressRith TravelKoun Khmer VIPLarryta BusHeng SokkhoeunRa Express VIPRithiya ExpressVET Airbus Express E-Booking ExpressKampot TransportsSaly VIP Thai Duong LimousineHa Tien Xanh Travel Mevis TransportLong PhuongSRL Transportationmore >>