There are 4 ways to get from Chiang Rai to Siem Reap by plane, bus or car

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner.

Recommended option

Fly  •  3 h 33 min

  1. Fly from Chiang Rai (CEI) to Siem Reap (REP) CEI - REP

$81 - $294

Cheapest option

Bus Phetprasert Tour  •  21 h 53 min

  1. Take the bus from Chiang Rai to Phitsanulok 780
  2. Take the bus from Phitsanulok Bus Terminal 1 to Rongkleu Market - Poipet 638
  3. Take the bus from Poipet to Siem Reap Virak Buntham Express

$22 - $41

2 alternative options

Bus The Transport Company  •  19 h

  1. Take the bus from Chiang Rai to Bangkok Mochit
  2. Take the bus from Bangkok Mochit Bus Terminal to Siem Reap

$27 - $52

Drive  •  15 h 56 min

  1. Drive from Chiang Rai to Siem Reap 676.3 miles

$95 - $140

Questions & Answers

The cheapest way to get from Chiang Rai to Siem Reap is to bus which costs ฿700 - ฿1400 and takes 21 h 53 min.

More details

The quickest way to get from Chiang Rai to Siem Reap is to fly which costs ฿2600 - ฿10000 and takes 3 h 33 min.

More details

No, there is no direct bus from Chiang Rai to Siem Reap. However, there are services departing from Chiang Rai and arriving at Siem Reap via Bangkok Mochit Bus Terminal. The journey, including transfers, takes approximately 19 h.

More details

The distance between Chiang Rai and Siem Reap is 845 km. The road distance is 1082.1 km.

Get driving directions

The best way to get from Chiang Rai to Siem Reap without a car is to bus which takes 19 h and costs ฿850 - ฿1700.

More details

It takes approximately 3 h 33 min to get from Chiang Rai to Siem Reap, including transfers.

More details

Chiang Rai to Siem Reap bus services, operated by The Transport Company, depart from Chiang Rai station.

More details

The best way to get from Chiang Rai to Siem Reap is to fly which takes 3 h 33 min and costs ฿2600 - ฿10000. Alternatively, you can bus, which costs ฿850 - ฿1700 and takes 19 h.

Mode details

There is no direct flight from Chiang Rai Airport to Siem Reap Airport. The quickest flight takes 3 h 15 min and has one stopover.

Search flights

Chiang Rai to Siem Reap bus services, operated by The Transport Company, arrive at Siem Reap station.

More details

Yes, the driving distance between Chiang Rai to Siem Reap is 1082 km. It takes approximately 15 h 56 min to drive from Chiang Rai to Siem Reap.

Get driving directions

Thai Vietjet Air, Thai Lion Mentari, Thai Smile and two other airlines offer flights from Chiang Rai Airport to Siem Reap Airport.

Search flights

Map of how to get from Chiang Rai to Siem Reap.
Launch map view
  • Distance: 528.1 miles
  • Duration: 3 h 33 min

What companies run services between Chiang Rai, Thailand and Siem Reap, Cambodia?

Thai Smile, Bangkok Airways and four other airlines fly from Chiang Rai to Siem Reap hourly. Alternatively, you can take a bus from Chiang Rai to Siem Reap via Bangkok Mochit and Bangkok Mochit Bus Terminal in around 19 h.

Airlines
Bangkok Airways
Website
bangkokair.com
Flights from Chiang Rai to Siem Reap via Suvarnabhumi
Ave. Duration
4 h 5 min
When
Every day
Estimated price
$110 - $350
Thai AirAsia
Website
airasia.com
Flights from Chiang Rai to Siem Reap via Don Muang
Ave. Duration
4 h 35 min
When
Every day
Estimated price
$60 - $170
Thai Smile
Website
thaismileair.com
Flights from Chiang Rai to Siem Reap via Suvarnabhumi
Ave. Duration
3 h 15 min
When
Every day
Estimated price
$120 - $290
Bus operators
The Transport Company
Website
home.transport.co.th
Bus from Chiang Rai to Bangkok Mochit
Ave. Duration
11 h
Frequency
5 times a day
Estimated price
$19 - $27
Schedules at
home.transport.co.th
Book at
12go.asia
Bus from Bangkok Mochit Bus Terminal to Siem Reap
Ave. Duration
7 h
Frequency
Twice daily
Estimated price
$10 - $24
Schedules at
home.transport.co.th
Sombat Tour
Phone
+66 27921456
Website
sombattour.com
Bus from Chiang Rai to Bangkok Mochit
Ave. Duration
11 h 34 min
Frequency
Every 4 hours
Estimated price
$17 - $28
Schedules at
sombattour.com
Star
$17
Super
$20
Supreme
$26 - $28
Bus from Chiang Rai to Phitsanulok
Ave. Duration
7 h 23 min
Frequency
5 times a day
Estimated price
$9 - $15
Schedules at
sombattour.com
Star
$10
Super
$12
Supreme
$14 - $15
Kingdom Tour
Website
12go.asia
Bus from Chiang Rai to Phitsanulok Bus Terminal 1
Ave. Duration
7 h 20 min
Frequency
Twice daily
Estimated price
$11
Schedules at
12go.asia
Book at
12go.asia
Greenbus Thailand
Phetprasert Tour
Phone
056 720 720
Website
phetprasert.com
Bus from Phitsanulok Bus Terminal 1 to Rongkleu Market - Poipet
Ave. Duration
9 h 30 min
Frequency
Once daily
Estimated price
$6 - $18
Schedules at
phetprasert.com
Virak Buntham
Website
virakbuntham.com
Bus from Poipet to Siem Reap Virak Buntham Express
Ave. Duration
3 h
Frequency
Twice daily
Estimated price
$7
Schedules at
virakbuntham.com
Book at
bookmebus.com

Want to know more about travelling around the world?

Rome2rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including Getting to Milan from the airport, Which side of Niagara Falls should I choose (and how do I get there)? and 5 incredible day trips from Florence by train - to help you get the most out of your next trip.