There are 8 ways to get from Chicago O'Hare Airport (ORD) to Siem Reap by plane, bus, train or shuttle

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 to Siem Reap  •  20 h 27 min

  1. Fly from Chicago O'Hare (ORD) to Siem Reap (REP) ORD - REP

$385 - $2,537

Cheapest option

Fly to Suvarnabhumi, train, bus  •  29 h 12 min

  1. Fly from Chicago O'Hare (ORD) to Suvarnabhumi (BKK) ORD - BKK
  2. Take the train from Lard Krabang to Aranyaprathet
  3. Take the bus from Aranyaprathet to Siem Reap

$321 - $1,006

6 alternative options

Fly to Phnom Penh, Van  •  28 h 19 min

  1. Fly from Chicago O'Hare (ORD) to Phnom Penh (PNH) ORD - PNH
  2. Take the Van from Phnom Penh Virak Buntham Express to Siem Reap Virak Buntham Express

$706 - $1,713

Fly to Trat, Private Transfer, bus  •  31 h 40 min

  1. Fly from Chicago O'Hare (ORD) to Trat (TDX) ORD - TDX
  2. Take a shuttle bus from Ao Thammachat Ferry to Amphoe Aranyaprathet
  3. Take the bus from Aranyaprathet to Siem Reap

$597 - $1,196

Fly to Ho Chi Minh City, bus  •  32 h 29 min

  1. Fly from Chicago O'Hare (ORD) to Ho Chi Minh City (SGN) ORD - SGN
  2. Take the bus from Ho Chi Minh to Siem Reap Mekong Express

$694 - $1,660

Fly to Don Muang, bus  •  29 h 7 min

  1. Fly from Chicago O'Hare (ORD) to Don Muang (DMK) ORD - DMK
  2. Take the bus from Bangkok Mochit Bus Terminal to Siem Reap

$2,401 - $6,042

Fly to Utapao, bus  •  34 h 27 min

  1. Fly from Chicago O'Hare (ORD) to Utapao (UTP) ORD - UTP
  2. Take the bus from Ban Chang to Chachoengsao
  3. Take the bus from Chachoengsao to Aranyaprathet
  4. Take the bus from Aranyaprathet to Siem Reap

$531 - $3,111

Fly to Buri Ram, bus  •  32 h 13 min

  1. Fly from Chicago O'Hare (ORD) to Buri Ram (BFV) ORD - BFV
  2. Take the bus from Buriram to Aranyaprathet
  3. Take the bus from Aranyaprathet to Siem Reap

$952 - $2,306

What companies run services between Chicago O'Hare Airport (ORD), USA and Siem Reap, Cambodia?

Korean Air, Air Seoul and 22 other airlines fly from Chicago O'Hare Airport (ORD) to Siem Reap hourly.

Airlines
Thai Airways International
Website
thaiairways.com
Flights from Chicago O'Hare to Siem Reap via Tokyo Haneda, Suvarnabhumi
Ave. Duration
26 h 55 min
When
Every day
Estimated price
$1,400 - $9,500
Flights from Chicago O'Hare to Siem Reap via Copenhagen, Suvarnabhumi
Ave. Duration
22 h 15 min
When
Every day
Estimated price
$850 - $2,100
Flights from Chicago O'Hare to Suvarnabhumi via Tokyo Narita
Ave. Duration
22 h 20 min
When
Every day
Estimated price
$650 - $2,200
Flights from Chicago O'Hare to Suvarnabhumi via Taipei
Ave. Duration
22 h 40 min
When
Monday, Thursday and Saturday
Estimated price
$650 - $4,400
Flights from Chicago O'Hare to Suvarnabhumi via Tokyo Haneda
Ave. Duration
23 h 10 min
When
Every day
Estimated price
$650 - $2,200
Flights from Chicago O'Hare to Trat via Taipei, Suvarnabhumi
Ave. Duration
24 h 10 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$850 - $3,200
Flights from Chicago O'Hare to Trat via Tokyo Haneda, Suvarnabhumi
Ave. Duration
28 h 5 min
When
Every day
Estimated price
$1,300 - $6,000
Flights from Chicago O'Hare to Trat via Frankfurt, Suvarnabhumi
Ave. Duration
26 h 12 min
When
Every day
Estimated price
$5,000 - $10,000
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
Qatar Airways
Website
qatarairways.com
Flights from Chicago O'Hare to Siem Reap via Doha, Suvarnabhumi
Ave. Duration
26 h 20 min
When
Every day
Estimated price
$1,000 - $2,200
Flights from Chicago O'Hare to Phnom Penh via Doha, Suvarnabhumi
Ave. Duration
26 h 40 min
When
Every day
Estimated price
$800 - $2,300
Flights from Chicago O'Hare to Suvarnabhumi via Doha
Ave. Duration
22 h 40 min
When
Every day
Estimated price
$750 - $2,200
Flights from Chicago O'Hare to Trat via Doha, Suvarnabhumi
Ave. Duration
26 h 40 min
When
Every day
Estimated price
$950 - $2,500
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
Flights from Chicago O'Hare to Utapao via Doha
Ave. Duration
24 h 40 min
When
Tuesday, Thursday, Saturday and Sunday
Estimated price
$2,100 - $14,000
EVA Air
Website
evaair.com
Flights from Chicago O'Hare to Phnom Penh via Taipei
Ave. Duration
22 h 45 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$600 - $2,300
Flights from Chicago O'Hare to Suvarnabhumi via Taipei
Ave. Duration
22 h 40 min
When
Monday, Thursday and Saturday
Estimated price
$650 - $4,400
Flights from Chicago O'Hare to Trat via Taipei, Suvarnabhumi
Ave. Duration
24 h 10 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$850 - $3,200
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
Flights from Chicago O'Hare to Ho Chi Minh City via Taipei
Ave. Duration
21 h 15 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$550 - $2,200
Thai AirAsia
Website
airasia.com
Flights from Chicago O'Hare to Don Muang via Hong Kong
Ave. Duration
20 h 24 min
When
Every day
Estimated price
$800 - $2,600
Flights from Chicago O'Hare to Don Muang via Beijing, Changsha
Ave. Duration
22 h 20 min
When
Tuesday, Thursday, Saturday and Sunday
Estimated price
$650 - $2,000
Flights from Chicago O'Hare to Buri Ram via Hong Kong, Don Muang
Ave. Duration
29 h 20 min
When
Every day
Estimated price
$900 - $2,300
Flights from Chicago O'Hare to Buri Ram via Taipei, Don Muang
Ave. Duration
24 h 55 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$800 - $3,000
Thai Lion Mentari
Website
lionairthai.com
Flights from Chicago O'Hare to Don Muang via Shanghai Pudong
Ave. Duration
24 h 20 min
When
Saturday and Sunday
Estimated price
$800 - $2,000
Flights from Chicago O'Hare to Don Muang via Beijing, Guangzhou
Ave. Duration
25 h
When
Tuesday, Thursday, Saturday and Sunday
Estimated price
$650 - $2,000
Flights from Chicago O'Hare to Don Muang via Beijing, Chongqing
Ave. Duration
25 h
When
Tuesday, Thursday, Saturday and Sunday
Estimated price
$650 - $1,900
Flights from Chicago O'Hare to Utapao via Beijing, Changsha
Ave. Duration
23 h 40 min
When
Tuesday, Thursday and Sunday
Estimated price
$750 - $2,300
Flights from Chicago O'Hare to Utapao via Shanghai Pudong, Changsha
Ave. Duration
24 h 10 min
When
Friday and Sunday
Estimated price
$950 - $2,300
Nok Air
Website
nokair.com
Flights from Chicago O'Hare to Buri Ram via Hong Kong, Don Muang
Ave. Duration
27 h 40 min
When
Every day
Estimated price
$900 - $2,300
Flights from Chicago O'Hare to Buri Ram via Shanghai Pudong, Don Muang
Ave. Duration
28 h 20 min
When
Saturday and Sunday
Estimated price
$1,000 - $2,500
Flights from Chicago O'Hare to Buri Ram via Tokyo Narita, Don Muang
Ave. Duration
30 h 10 min
When
Every day
Estimated price
$1,000 - $4,800
Flights from Chicago O'Hare to Buri Ram via Seoul, Don Muang
Ave. Duration
30 h 40 min
When
Every day
Estimated price
$1,200 - $3,800
Asiana Airlines
Website
us.flyasiana.com
Flights from Chicago O'Hare to Siem Reap via Seoul
Ave. Duration
26 h 40 min
When
Monday to Saturday
Estimated price
$1,100 - $4,400
Flights from Chicago O'Hare to Phnom Penh via Seoul
Ave. Duration
21 h 25 min
When
Every day
Estimated price
$850 - $3,000
Flights from Chicago O'Hare to Ho Chi Minh City via Seoul
Ave. Duration
23 h 10 min
When
Monday, Wednesday, Thursday, Friday and Sunday
Estimated price
$850 - $2,600
Emirates
Website
emirates.com
Flights from Chicago O'Hare to Siem Reap via Dubai, Suvarnabhumi
Ave. Duration
27 h
When
Every day
Estimated price
$1,000 - $2,800
Flights from Chicago O'Hare to Suvarnabhumi via Dubai
Ave. Duration
22 h 50 min
When
Every day
Estimated price
$850 - $2,400
Flights from Chicago O'Hare to Trat via Dubai, Suvarnabhumi
Ave. Duration
24 h 45 min
When
Every day
Estimated price
$1,000 - $2,500
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
Finnair
Website
finnair.com
Flights from Chicago O'Hare to Siem Reap via Helsinki, Suvarnabhumi
Ave. Duration
29 h 45 min
When
Wednesday and Sunday
Estimated price
$700 - $4,100
Flights from Chicago O'Hare to Suvarnabhumi via Helsinki
Ave. Duration
25 h 15 min
When
Monday, Wednesday, Thursday, Friday, Saturday and Sunday
Estimated price
$900 - $12,000
Flights from Chicago O'Hare to Trat via Helsinki, Suvarnabhumi
Ave. Duration
27 h 30 min
When
Monday, Wednesday, Thursday, Friday, Saturday and Sunday
Estimated price
$800 - $4,800
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
Cathay Pacific
Website
cathaypacific.com
Flights from Chicago O'Hare to Siem Reap via Hong Kong
Ave. Duration
30 h
When
Friday and Sunday
Estimated price
$800 - $2,100
Flights from Chicago O'Hare to Suvarnabhumi via Hong Kong
Ave. Duration
20 h
When
Every day
Estimated price
$700 - $2,300
Flights from Chicago O'Hare to Ho Chi Minh City via Hong Kong
Ave. Duration
20 h 40 min
When
Monday, Tuesday, Wednesday and Saturday
Estimated price
$650 - $1,700
Korean Air
Website
koreanair.com
Flights from Chicago O'Hare to Phnom Penh via Seoul
Ave. Duration
21 h 35 min
When
Every day
Estimated price
$850 - $3,000
Flights from Chicago O'Hare to Suvarnabhumi via Seoul
Ave. Duration
20 h 35 min
When
Every day
Estimated price
$750 - $3,200
Flights from Chicago O'Hare to Ho Chi Minh City via Seoul
Ave. Duration
21 h 5 min
When
Every day
Estimated price
$800 - $2,900
China Eastern Airlines
Website
en.ceair.com
Flights from Chicago O'Hare to Phnom Penh via Shanghai Pudong
Ave. Duration
23 h 45 min
When
Every day
Estimated price
$750 - $3,500
Flights from Chicago O'Hare to Suvarnabhumi via Shanghai Pudong
Ave. Duration
22 h 15 min
When
Monday, Wednesday, Friday, Saturday and Sunday
Estimated price
$600 - $2,900
Flights from Chicago O'Hare to Ho Chi Minh City via Shanghai Pudong
Ave. Duration
22 h 45 min
When
Monday, Wednesday, Friday, Saturday and Sunday
Estimated price
$700 - $1,800
All Nippon Airways
Website
ana.co.jp
Flights from Chicago O'Hare to Suvarnabhumi via Tokyo Narita
Ave. Duration
22 h 20 min
When
Every day
Estimated price
$650 - $2,200
Flights from Chicago O'Hare to Suvarnabhumi via Tokyo Haneda
Ave. Duration
23 h 10 min
When
Every day
Estimated price
$650 - $2,200
Flights from Chicago O'Hare to Ho Chi Minh City via Tokyo Narita
Ave. Duration
21 h 50 min
When
Every day
Estimated price
$800 - $2,300
Thai AirAsia X
Website
airasia.com
Flights from Chicago O'Hare to Don Muang via Tokyo Narita
Ave. Duration
24 h 20 min
When
Every day
Estimated price
$850 - $3,800
Flights from Chicago O'Hare to Don Muang via Seoul
Ave. Duration
27 h 37 min
When
Every day
Estimated price
$950 - $3,100
Hainan
Website
hainanairlines.com
Flights from Chicago O'Hare to Siem Reap via Beijing, Guangzhou
Ave. Duration
32 h
When
Saturday
Estimated price
$750 - $2,200
Flights from Chicago O'Hare to Suvarnabhumi via Beijing
Ave. Duration
21 h 20 min
When
Tuesday, Thursday, Saturday and Sunday
Estimated price
$850 - $6,500
China Yunnan Airlines
Flights from Chicago O'Hare to Siem Reap via Hong Kong, Phnom Penh
Ave. Duration
24 h 50 min
When
Tuesday and Sunday
Estimated price
$800 - $2,100
Flights from Chicago O'Hare to Phnom Penh via Hong Kong
Ave. Duration
21 h 25 min
When
Tuesday, Wednesday, Thursday and Sunday
Estimated price
$650 - $1,700
Japan Airlines
Website
jal.com
Flights from Chicago O'Hare to Suvarnabhumi via Tokyo Narita
Ave. Duration
22 h 35 min
When
Every day
Estimated price
$600 - $2,700
Flights from Chicago O'Hare to Ho Chi Minh City via Tokyo Narita
Ave. Duration
21 h 35 min
When
Every day
Estimated price
$750 - $2,700
Scandinavian Airlines
Website
flysas.com
Flights from Chicago O'Hare to Suvarnabhumi via Copenhagen
Ave. Duration
19 h 55 min
When
Every day
Estimated price
$750 - $2,500
Flights from Chicago O'Hare to Suvarnabhumi via Stockholm
Ave. Duration
20 h 45 min
When
Every day
Estimated price
$750 - $2,500
Air China
Website
airchina.com
Flights from Chicago O'Hare to Suvarnabhumi via Beijing
Ave. Duration
22 h 55 min
When
Every day
Estimated price
$700 - $2,700
Flights from Chicago O'Hare to Ho Chi Minh City via Beijing
Ave. Duration
23 h 55 min
When
Every day
Estimated price
$800 - $3,100
Etihad
Website
etihad.com
Flights from Chicago O'Hare to Trat via Abu Dhabi, Suvarnabhumi
Ave. Duration
32 h 20 min
When
Every day
Estimated price
$950 - $2,300
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
Air Seoul
Website
flyairseoul.com
Flights from Chicago O'Hare to Siem Reap via Seoul
Ave. Duration
20 h 20 min
When
Tuesday, Wednesday, Friday and Saturday
Estimated price
$1,000 - $3,600
Spring Airlines
Website
springairlines.com
Flights from Chicago O'Hare to Siem Reap via Shanghai Pudong
Ave. Duration
22 h 35 min
When
Thursday and Sunday
Estimated price
$900 - $4,200
Sky Angkor
Website
skyangkorair.com
Flights from Chicago O'Hare to Siem Reap via Beijing
Ave. Duration
25 h
When
Tuesday, Thursday and Saturday
Estimated price
$900 - $4,100
Lanmei Airlines
Flights from Chicago O'Hare to Siem Reap via Taipei, Phnom Penh
Ave. Duration
25 h 15 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$700 - $2,800
Thai Smile
Website
thaismileair.com
Flights from Chicago O'Hare to Siem Reap via Copenhagen, Suvarnabhumi
Ave. Duration
22 h 15 min
When
Every day
Estimated price
$850 - $2,100
Turkish Airlines
Website
p.turkishairlines.com
Flights from Chicago O'Hare to Suvarnabhumi via Istanbul
Ave. Duration
24 h
When
Every day
Estimated price
$800 - $2,700
Bangkok Airways
Website
bangkokair.com
Flights from Chicago O'Hare to Trat via Copenhagen, Suvarnabhumi
Ave. Duration
23 h 25 min
When
Every day
Estimated price
$5,000 - $10,000
KLM
Website
klm.com
Flights from Chicago O'Hare to Trat via Amsterdam, Suvarnabhumi
Ave. Duration
32 h 40 min
When
Monday and Tuesday
Estimated price
$2,100 - $8,000
NokScoot
Website
nokscoot.com
Flights from Chicago O'Hare to Don Muang via Taipei
Ave. Duration
20 h 25 min
When
Monday, Wednesday, Thursday and Saturday
Estimated price
$600 - $2,400
Train operators
State Railway of Thailand
Website
railway.co.th
Train from Lard Krabang to Aranyaprathet
Ave. Duration
4 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 - $26
1st Class (Berth)
$27 - $35
Bus operators
Virak Buntham
Website
virakbuntham.com
Bus from Phnom Penh Virak Buntham Express to Siem Reap Virak Buntham Express
Ave. Duration
5 h 30 min
Frequency
Hourly
Estimated price
$12
Schedules at
virakbuntham.com
Book at
bookmebus.com
The Transport Company
Website
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
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
Koh Chang Minibus
Website
kohchangminibus.com
Shuttle from Ao Thammachat Ferry to Amphoe Aranyaprathet
Ave. Duration
4 h
Frequency
On demand
Estimated price
$129
Schedules at
kohchangminibus.com
Mekong Express
Website
catmekongexpress.com
Bus from Ho Chi Minh to Siem Reap Mekong Express
Ave. Duration
11 h 30 min
Frequency
Once daily
Estimated price
$26
Schedules at
catmekongexpress.com
Book at
12go.asia
Phetprasert Tour
Phone
056 720 720
Website
phetprasert.com
Bus from Ban Chang to Chachoengsao
Ave. Duration
2 h 15 min
Frequency
Once daily
Estimated price
$5 - $6
Schedules at
phetprasert.com
Book at
12go.asia
Bus from Chachoengsao to Aranyaprathet
Ave. Duration
2 h 25 min
Frequency
Once daily
Estimated price
$6 - $7
Schedules at
phetprasert.com
Book at
12go.asia
Yellow Bus
Website
iloveyellowbus.com
Bus from Buriram to Aranyaprathet
Ave. Duration
1 h 48 min
Frequency
Once daily
Estimated price
$10 - $20
Schedules at
iloveyellowbus.com

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Questions & Answers

How far is it from Chicago O'Hare Airport (ORD) to Siem Reap?

The distance between Chicago O'Hare Airport (ORD) and Siem Reap is 13745 km.

What is the cheapest way to get from Chicago O'Hare Airport (ORD) to Siem Reap?

The cheapest way to get from Chicago O'Hare Airport (ORD) to Siem Reap is to fly and train and bus which costs $320 - $1,100 and takes 29 h 12 min.

What is the fastest way to get from Chicago O'Hare Airport (ORD) to Siem Reap?

The quickest way to get from Chicago O'Hare Airport (ORD) to Siem Reap is to fly which takes 20 h 27 min and costs $380 - $2,600.

How long does it take to get from Chicago O'Hare Airport (ORD) to Siem Reap?

It takes approximately 20 h 27 min to get from Chicago O'Hare Airport (ORD) to Siem Reap, including transfers.