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Last updated : 27/02/2026

From USD 10.00
| Cheapest Bus Tickets | USD 10.00 |
|---|---|
| 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
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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 10. You can also take advantage of a few redBus discounts and promotions.
redBus Cambodia PAYDAY SALE is here! Use Code "BOEUKLUY10" and get $3 off + $7 cashback on all buses (except for selected bus operators). Hurry, offer valid till 4th March 2026.
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 10.
There are a total of 1 bus services from O Smach to Siem Reap.
O Smach to Rattanakiri BusO Smach to Svay BusO Smach to Chong Kal BusO Smach to Banteay Meanchey BusO Smach to Nuoc ngoai BusO Smach to Svay Sisophon BusO Smach to Thmor Pouk BusO Smach to Moung BusO Smach to Kampong Thom BusO Smach to Phnom Penh BusO Smach to Serei Soaphoan BusO Smach to Stung Treng BusO Smach to Samrong BusO Smach to Banteay Chhmar BusO Smach to Kralanh BusO Smach to Battambang BusO Smach to Srei Snom BusO Smach to Svay Chek BusO Smach to Puok BusO Smach to Mondulkiri Busmore >>
Battambang to Siem Reap BusSihanouk Ville to Siem Reap BusPoi Pet to Siem Reap BusKampot to Siem Reap BusKampong Thom to Siem Reap BusDon Det (Laos) to Siem Reap BusKampong Cham to Siem Reap BusBanteay Meanchey to Siem Reap BusSiem Reap Angkor International Airport to Siem Reap BusPakse (Laos) to Siem Reap BusHồ Chí Minh to Siem Reap BusKratie to Siem Reap BusPursat to Siem Reap BusKep to Siem Reap BusSvay to Siem Reap BusMondulkiri to Siem Reap BusMongkol Borei(BMC) to Siem Reap BusKoh Rong (Long Set Beach) to Siem Reap BusBavet to Siem Reap BusKandal to Siem Reap BusNuoc ngoai to Siem Reap BusKoh Rong (4K Beach Port) to Siem Reap BusKampong Speu to Siem Reap BusChampasak to Siem Reap BusChhlong to Siem Reap BusThma Koul to Siem Reap BusMoung Ruessei to Siem Reap BusAngk Ta Saom to Siem Reap BusRatanakiri (Bar Kev) to Siem Reap BusKiên Giang to Siem Reap BusPreahNetr Preah (BMC) to Siem Reap BusSoung to Siem Reap BusChhuk to Siem Reap BusVĩnh Thuận to Siem Reap BusSoon Noeng to Siem Reap BusRousse to Siem Reap BusPrek Chak Hatien Border to Siem Reap BusThmor Pouk to Siem Reap BusThành phố Hồ Chí Minh to Siem Reap BusSân bay Tân Sơn Nhất to Siem Reap BusRatanakiri to Siem Reap BusSvay Sisophon to Siem Reap BusSkun to Siem Reap BusTân Sơn Nhất to Siem Reap BusTram Knar to Siem Reap BusBanteay Ampel to Siem Reap BusVang Vieng to Siem Reap BusOddar Meanchey to Siem Reap BusSerei Soaphoan to Siem Reap Busmore >>
Cambolink21 ExpressSaly VIP E-Booking ExpressLarryta BusVireak Buntham ExpressCapitol Tour and TransportVET Airbus Express Giant IbisRith Mony TransportEVGO Express
Battambang to Siem Reap BusSkun to Siem Reap BusKampot to Siem Reap BusBanteay Meanchey to Siem Reap BusSihanouk Ville to Siem Reap BusPoi Pet to Siem Reap BusKampong Thom to Siem Reap BusKoh Rong to Siem Reap BusHồ Chí Minh to Siem Reap BusSvay to Siem Reap BusSiem Reap Angkor International Airport to Siem Reap BusKoh Rong Sanloem to Siem Reap BusKoh Touch to Siem Reap BusKoh Rong (Long Set Beach) to Siem Reap BusMongkol Borei(BMC) to Siem Reap BusSvay Sisophon to Siem Reap BusKep to Siem Reap BusDon Det (Laos) to Siem Reap BusPreahNetr Preah (BMC) to Siem Reap BusKandal to Siem Reap Busmore >>
Kep to Phu Quoc BusKampot to Hà Tiên BusBattambang to Pursat BusSiem Reap to Koh Rong Sanloem BusSiem Reap to Kampot BusSihanouk Ville to Rạch Giá BusPhnom Penh to Pursat BusKratie to Kampong Cham BusSkun to Phnom Penh BusKep to Rạch Giá BusPursat to Kampong Chhnang BusPoi Pet to Koh Rong Sanloem BusSihanouk Ville to Kampong Speu BusPhnom Penh to Châu Đốc BusPreah Vihear to Phnom Penh BusSiem Reap to Battambang BusMemot to Mondulkiri BusSvay to Poi Pet BusRong Kluea to Bangkok Busmore >>
Kimseng ExpressEkareach ExpressSovan Rithy TransportDanh Danh Express Bus Vutha Seyha ExpressKhainamKoh Rong TransportYellow BusLana ExpressRith TravelHa Tien Xanh Travel CP ExpressHea Tong TransportRiya TransportThy Socheata (T.C.T.) ExpressSarah Transport SoleRithiya ExpressReaksmey Siem Reap TransportKampot TransportsLy Linda Express
Phnom Penh to Siem Reap FerryBattambang to Siem Reap FerryNuoc ngoai to Siem Reap FerryKampong Chhnang to Siem Reap Ferry





























