There are 7 ways to get from Chiang Mai to Siem Reap by plane, bus, train 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 from Chiang Mai  •  5 h 39 min

  1. Fly from Chiang Mai (CNX) to Siem Reap (REP) CNX - REP

$87 - $439

Cheapest option

Bus Phetprasert Tour  •  21 h 19 min

  1. Take the bus from Chiang Mai to Phitsanulok 874 / ...
  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 - $37

5 alternative options

Bus to Lampang, fly  •  7 h 40 min

  1. Take the bus from Chiang Mai to Lampang
  2. Fly from Lampang (LPT) to Siem Reap (REP) LPT - REP

$143 - $448

Bus Bangkok Busline  •  17 h 40 min

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

$32 - $46

Train, bus  •  18 h 34 min

  1. Take the train from Chiang Mai to Bang Sue 8 Chiang Mai - Hua Lamphong - Class II AC / ...
  2. Take the bus from Bangkok Mochit Bus Terminal to Siem Reap

$26 - $75

Train, bus via Aranyaprathet  •  21 h 17 min

  1. Take the train from Chiang Mai to Hua Lamphong
  2. Take the train from Hua Lamphong to Aranyaprathet
  3. Take the bus from Aranyaprathet to Siem Reap

$27 - $91

Drive  •  14 h 29 min

  1. Drive from Chiang Mai to Siem Reap 626 miles

$85 - $130

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

Thai AirAsia, Bangkok Airways and eight other airlines fly from Chiang Mai to Siem Reap every 30 minutes. Alternatively, you can take a bus from Chiang Mai to Siem Reap via Bangkok Mochit Bus Terminal in around 17 h 40 min.

Airlines
Thai AirAsia
Website
airasia.com
Flights from Chiang Mai to Siem Reap via Don Muang
Ave. Duration
3 h 45 min
When
Every day
Estimated price
$60 - $180
Flights from Chiang Mai to Siem Reap via Udon Thani, Don Muang
Ave. Duration
5 h 10 min
When
Every day
Estimated price
$80 - $210
Flights from Chiang Mai to Siem Reap via Surat Thani, Don Muang
Ave. Duration
5 h 45 min
When
Every day
Estimated price
$130 - $290
Flights from Chiang Mai to Siem Reap via Hat Yai, Don Muang
Ave. Duration
7 h
When
Every day
Estimated price
$160 - $340
Flights from Lampang to Siem Reap via Don Muang
Ave. Duration
5 h 20 min
When
Every day
Estimated price
$70 - $160
Bangkok Airways
Website
bangkokair.com
Flights from Chiang Mai to Siem Reap via Suvarnabhumi
Ave. Duration
4 h 40 min
When
Every day
Estimated price
$130 - $650
Flights from Chiang Mai to Siem Reap via Koh Samui, Suvarnabhumi
Ave. Duration
6 h 15 min
When
Every day
Estimated price
$130 - $650
Flights from Lampang to Siem Reap via Suvarnabhumi
Ave. Duration
5 h 51 min
When
Every day
Estimated price
$130 - $430
Thai Smile
Website
thaismileair.com
Flights from Chiang Mai to Siem Reap via Suvarnabhumi
Ave. Duration
4 h 50 min
When
Every day
Estimated price
$120 - $450
China Eastern Airlines
Website
en.ceair.com
Flights from Chiang Mai to Siem Reap via Kunming
Ave. Duration
6 h 35 min
When
Wednesday and Friday
Estimated price
$370 - $1,700
China Southern Airlines
Website
csair.com
Flights from Chiang Mai to Siem Reap via Guangzhou
Ave. Duration
7 h 5 min
When
Every day
Estimated price
$360 - $1,500
Vietnam Airlines
Website
vietnamairlines.com
Flights from Chiang Mai to Siem Reap via Hanoi
Ave. Duration
7 h 15 min
When
Every day
Estimated price
$190 - $650
Train operators
State Railway of Thailand
Website
railway.co.th
Train from Chiang Mai to Bang Sue
Ave. Duration
10 h 10 min
Frequency
Twice daily
Estimated price
$13 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$6 - $10
2nd Class (Seat)
$13 - $19
2nd Class (Berth)
$23 - $30
1st Class (Berth)
$35 - $50
Train from Chiang Mai to Hua Lamphong
Ave. Duration
10 h 35 min
Frequency
5 times a day
Estimated price
$13 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$6 - $10
2nd Class (Seat)
$13 - $19
2nd Class (Berth)
$23 - $35
1st Class (Berth)
$35 - $50
Train from Hua Lamphong to Aranyaprathet
Ave. Duration
5 h 40 min
Frequency
Once daily
Estimated price
$9 - $35
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$3 - $7
2nd Class (Seat)
$9 - $14
2nd Class (Berth)
$19 - $25
1st Class (Berth)
$27 - $35
Bus operators
Sombat Tour
Phone
+66 27921456
Website
sombattour.com
Bus from Chiang Mai to Lampang
Ave. Duration
1 h 14 min
Frequency
3 times a day
Estimated price
$2 - $4
Schedules at
sombattour.com
Star
$3
Super
$4
Supreme
$3 - $4
Bangkok Busline
Website
bangkokbusline.com
Bus from Chiang Mai to Bangkok Mochit Bus Terminal
Ave. Duration
9 h 40 min
Frequency
Every 4 hours
Estimated price
$22
Schedules at
bangkokbusline.com
Book at
12go.asia
The Transport Company
Website
home.transport.co.th
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
Bus from Aranyaprathet to Siem Reap
Ave. Duration
2 h 56 min
Frequency
Twice daily
Estimated price
$4 - $6
Schedules at
home.transport.co.th
Phetprasert Tour
Phone
056 720 720
Website
phetprasert.com
Bus from Chiang Mai to Phitsanulok
Ave. Duration
5 h 30 min
Frequency
Every 4 hours
Estimated price
$9 - $12
Schedules at
phetprasert.com
Book at
12go.asia
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

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Questions & Answers

The distance between Chiang Mai and Siem Reap is 797 km. The road distance is 1002 km.

The cheapest way to get from Chiang Mai to Siem Reap is to bus which costs ฿700 - ฿1200 and takes 21 h 19 min.

The quickest way to get from Chiang Mai to Siem Reap is to fly which takes 5 h 39 min and costs ฿2800 - ฿15000.

No, there is no direct bus from Chiang Mai to Siem Reap. However, there are services departing from Chiang Mai and arriving at Siem Reap via Bangkok Mochit Bus Terminal. The journey, including transfers, takes approximately 17 h 40 min.

It takes approximately 5 h 39 min to get from Chiang Mai to Siem Reap, including transfers.