Cheap flights from Ulaanbaatar to Siem Reap from £261

Cheap flights from Ulaanbaatar to Siem Reap from £261

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2 stops
Fri, Sep 11
Ulaanbaatar UBNSiem Reap SAI
£261
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2 stops
Thu, Sep 10
Ulaanbaatar UBNSiem Reap SAI
£279
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2 stops
Tue, Sep 8
Ulaanbaatar UBNSiem Reap SAI
£301
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2 stops
Fri, Sep 11
Ulaanbaatar UBNSiem Reap SAI
£314
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2 stops
Mon, Sep 14
Ulaanbaatar UBNSiem Reap SAI
£320
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2 stops
Fri, Sep 11
Ulaanbaatar UBNSiem Reap SAI
£336
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2 stops
Fri, Sep 11 – Mon, Sep 14
Ulaanbaatar UBNSiem Reap SAI
£498
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2 stops
Fri, Sep 11 – Wed, Sep 16
Ulaanbaatar UBNSiem Reap SAI
£513
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2 stops
Thu, Sep 10 – Mon, Sep 14
Ulaanbaatar UBNSiem Reap SAI
£516
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2 stops
Fri, Sep 11 – Tue, Sep 15
Ulaanbaatar UBNSiem Reap SAI
£522
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2 stops
Fri, Sep 11 – Tue, Sep 15
Ulaanbaatar UBNSiem Reap SAI
£538
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2 stops
Fri, Sep 11 – Mon, Sep 14
Ulaanbaatar UBNSiem Reap SAI
£551
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How much do flights to Siem Reap cost?

Cheapest one-way trip

£261

Cheapest round-trip

£498

Average round-trip

£605

Includes rare itinerary

Travel hack

Most popular airline

Vietnam Airlines

Getting from Siem Reap airport to the city center

Fastest options: taxi and private transfer. Best value: tuk-tuk and shared shuttle.

Siem Reap is served by Siem Reap Angkor International Airport (SAI), located approximately 8 km east of the city center. This modern airport opened in 2023 and offers various airport transfers to city center destinations. Transport options include taxis, tuk-tuks, hotel shuttles, private transfers, and ride-hailing services. Journey times are generally short due to the airport's proximity to town, though traffic conditions can vary, especially during peak tourist season.

Transport Option

Typical time

Typical cost

Frequency

Best for

15-25 min

$12 – $15; fixed fare to city center

on-demand 24/7 (traffic dependent)

comfort with luggage

20-30 min

$5 – $8; negotiate fare before departure

on-demand (traffic dependent)

budget travelers

15-30 min

$0 – $15; often complimentary; check with hotel

by arrangement (traffic dependent)

convenience if pre-booked

15-25 min

$15 – $25; pre-booked; air-conditioned vehicle

by arrangement (traffic dependent)

families and groups

15-25 min

$6 – $12; app-based pricing; varies with demand

on-demand (traffic dependent)

transparent pricing

15-25 min

$30 – $60; per day; driver often included

by arrangement (traffic dependent)

temple exploration flexibility

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • Tuk-tuk fares should be negotiated before departure; agree on the price clearly.
  • Many hotels offer complimentary airport pickup; confirm when booking accommodation.
  • Ride-hailing apps require local SIM or WiFi connection at the airport.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Siem Reap

Depart from
Chinggis Khaan International Airport
Arrive to
Siem Reap–Angkor International Airport
Average flights per week
355
Flight distance

Check-in for a flight from Ulaanbaatar to Siem Reap

NameCarrier codeIATA CodePassport needed during booking
Vietnam AirlinesHVNVNYes
MIAT Mongolian AirlinesMGLOMYes
Air ChinaCCACAYes
Air CambodiaKHVK6No
VietJet AirVJCVJYes

Online check-in is not available for these airlines.

Weather in Siem Reap

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January31°C21°C
February34°C23°C
March35°C25°C
April35°C26°C
May34°C26°C
June32°C25°C
July31°C24°C
August31°C25°C
September30°C24°C
October30°C24°C
November30°C23°C
December30°C21°C
Hottest Month
35°C
March
Coldest month
21°C
January
Sunny days
226
days per year

14 day forecast

Saturday
29 Aug
77%
29°C25°C
5 Sep
88%
30°C24°C
Sunday
30 Aug
90%
28°C25°C
6 Sep
87%
30°C25°C
Monday
31 Aug
82%
27°C24°C
7 Sep
89%
30°C24°C
Tuesday
1 Sep
66%
31°C24°C
8 Sep
89%
29°C25°C
Wednesday
2 Sep
55%
30°C24°C
9 Sep
89%
30°C25°C
Thursday
3 Sep
77%
30°C25°C
10 Sep
87%
31°C25°C
Friday
4 Sep
77%
32°C25°C
11 Sep
86%
31°C25°C
The most popular airlines for this route are Vietnam Airlines, MIAT Mongolian Airlines, Air China, Air Cambodia, and VietJet Air. Ulaanbaatar and Siem Reap have 355 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Ulaanbaatar?

Travelers frequently search for route combinations, such as Ulaanbaatar and London, Sydney, Bangkok, San Francisco, Vienna, Frankfurt, Budapest, Bali, Taipei, Seoul, Phuket Province, Istanbul, Almaty, Hanoi, New York, Kuala Lumpur, Beijing, Dublin, Da Nang, Tashkent.

What are the most popular routes to and from Siem Reap?

Travelers frequently search for route combinations, such as Siem Reap and Bangkok, London, Phnom Penh, Hanoi, Phuket City, Singapore, Phuket Province, Chiang Mai, Ho Chi Minh City, Kuala Lumpur, Da Nang, Sihanoukville Province, Vientiane, Krabi, Bali, Manila, Denpasar, Ko Samui, Perth, Surat Thani Province.

Which airlines fly between Ulaanbaatar and Siem Reap?

Currently, you can fly between Ulaanbaatar and Siem Reap with Vietnam Airlines, MIAT Mongolian Airlines, Air China, Air Cambodia, VietJet Air.

When’s the best time to travel between Ulaanbaatar and Siem Reap?

If you don’t have specific dates for your trip between Ulaanbaatar and Siem Reap, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

What flights operate between Ulaanbaatar and Siem Reap?

Traveling between Ulaanbaatar and Siem Reap, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

What time do nonstop (direct) flights between Ulaanbaatar and Siem Reap depart?

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ulaanbaatar, such as morning, afternoon, evening, or night, or select the exact hours for departure.

What time do nonstop (direct) flights between Ulaanbaatar and Siem Reap arrive?

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Siem Reap, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

What time do flights between Ulaanbaatar and Siem Reap depart?

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ulaanbaatar, such as morning, afternoon, evening, or night, or select the exact hours for departure.

What time do flights between Ulaanbaatar and Siem Reap arrive?

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Siem Reap, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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