SAI - DMK

£90 Find Cheap Flights from Siem Reap to Bangkok Don Mueang Intl – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest one-way flight
£90
Typical prices: £82-£113
Thai AirAsia
Sun 18/11
SAI - DMK • Direct
Direct flights
You can fly direct with Thai AirAsia. Average duration is 1h 12m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Bangkok Don Mueang Intl Airport!
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Flight Deals

Cheap Flights from Siem Reap to Bangkok (SAI-DMK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Siem Reap to Bangkok

Thai AirAsia Logo
SAI  Siem Reap–Angkor Intl-DMK Bangkok Don Mueang Intl
1h 15mdirect
Thai AirAsia Logo
DMK  Bangkok Don Mueang Intl-SAI Siem Reap–Angkor Intl
1h 05mdirect
Thai AirAsia
Booking Insights

Price, demand, and travel trends for Siem Reap to Bangkok Don Mueang Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Siem Reap to Bangkok Don Mueang Intl Airport with more confidence.

What's the cheapest day of the week to fly from Siem Reap to Bangkok Don Mueang Intl Airport?

Tuesday is the cheapest day of the week to fly from Siem Reap to Bangkok Don Mueang Intl Airport and is 11% cheaper than the average day. Monday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Siem Reap to Bangkok Don Mueang Intl Airport?

  • September is the cheapest month to fly from Siem Reap to Bangkok Don Mueang Intl Airport at £141 return.
  • August (£195) and December (£182) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 38% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Siem Reap to Bangkok Don Mueang Intl Airport the cheapest?

Flights from Siem Reap to Bangkok Don Mueang Intl Airport are cheapest 24 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Siem Reap to Bangkok Don Mueang Intl Airport flights

Low season

July

Cheapest flight

£90
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly (8% more expensive on average)
Flights from Siem Reap to Bangkok Don Mueang Intl Airport

When to book flights from Siem Reap to Bangkok

Are your dates flexible? Find out the best times to travel from Siem Reap to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Siem Reap to Bangkok Don Mueang Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines are available on the route from Siem Reap to Bangkok Don Mueang Intl Airport?

    Only Thai AirAsia operates flights between Siem Reap and Bangkok Don Mueang Intl Airport.

  • Which airports can I use when flying from Siem Reap to Bangkok Don Mueang Intl Airport?

    Flights from Siem Reap to Bangkok Don Mueang Intl Airport usually depart from Siem Reap–Angkor Intl (SAI) and arrive at Bangkok Don Mueang Intl (DMK).

  • Which airlines include bags at no extra cost on Siem Reap to Bangkok Don Mueang Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Thai AirAsia: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • What is the standard checked bag allowance on flights from Siem Reap to Bangkok Don Mueang Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £13–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Can I save money by using flexible dates for flights from Siem Reap to Bangkok Don Mueang Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 16% on the Siem Reap to Bangkok Don Mueang Intl Airport route. Tuesday is the cheapest departure day at £151 return on average, while Monday is the most expensive at £178, a difference of £27. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Siem Reap to Bangkok Don Mueang Intl Airport spread across the day?

    Morning is the busiest departure period on Siem Reap to Bangkok Don Mueang Intl Airport flights, with 50% leaving in that window. Afternoon departures account for 50%, Evening flights for 0%, and Night flights for 0%.

  • What popular places can I visit in Bangkok Don Mueang Intl Airport?

    Some of the most popular sights in Bangkok Don Mueang Intl Airport are Soi Cowboy, Pratunam, and Lumpini Park. These are among the most viewed places in Bangkok Don Mueang Intl Airport on KAYAK.

  • What are the earliest and latest flights from Siem Reap to Bangkok Don Mueang Intl Airport?

    These are the earliest and latest flight times available from Siem Reap to Bangkok Don Mueang Intl Airport:

    • Earliest: departs at 11:45 and lands at 12:57
    • Latest: departs at 16:55 and lands at 18:07.

    The flight takes about 1h 12m.

  • How expensive are last-minute Siem Reap to Bangkok Don Mueang Intl Airport flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 9% above the route average of £168. Book 24 weeks before departure for the lowest fares.

  • How long is a flight from Siem Reap to Bangkok Don Mueang Intl Airport?

    A direct flight from Siem Reap to Bangkok Don Mueang Intl Airport takes 1h 12m, covering 245 miles.

  • Do I need a passport to fly from Siem Reap to Bangkok Don Mueang Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Siem Reap to Bangkok Don Mueang Intl Airport looking right now?

    One-way fares from Siem Reap to Bangkok Don Mueang Intl Airport are currently higher than usual. Average one-way flight prices are about £111, which is 17% above the typical average for this route.

  • Which car hire options are available at Bangkok Don Mueang Intl Airport (DMK)?

    Bangkok Don Mueang Intl Airport (DMK) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:
    · Drive Car Rental
    · Alamo
    · THAIRENTACAR
    · Enterprise Rent-A-Car
    · Chic Car Rent

  • How much should I expect to pay for a Siem Reap to Bangkok Don Mueang Intl Airport flight?

    Return flights from Siem Reap to Bangkok Don Mueang Intl Airport range from £149 to £189, with an average of £168 over the past 12 months. Anything below £149 counts as a good deal.

Your guide to booking Siem Reap to Bangkok Don Mueang Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average £151 – about £27 less than Monday (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Siem Reap to Bangkok Don Mueang Intl Airport trip for September. Fares historically average £141 return in that month – typically £54 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Don Mueang Intl Airport.
    - Amari Don Muang Airport Bangkok
    - Don Muang Hotel
    - The Royal Bee Apart Hotel

Prefer to fly direct from Siem Reap to Bangkok Don Mueang Intl?

 
Find which airlines fly direct from Siem Reap–Angkor Intl Airport to Bangkok Don Mueang Intl Airport, which days they fly and book direct flights.

Direct departures

Siem Reap–Angkor Intl to Bangkok Don Mueang Intl

Monday

Thai AirAsia

Thai AirAsia

Tuesday

Thai AirAsia

Thai AirAsia

Wednesday

Thai AirAsia

Thai AirAsia

Thursday

Thai AirAsia

Thai AirAsia

Friday

Thai AirAsia

Thai AirAsia

Saturday

Thai AirAsia

Thai AirAsia

Sunday

Thai AirAsia

Thai AirAsia

See more direct flights

Direct returns

Bangkok Don Mueang Intl to Siem Reap–Angkor Intl

Monday

Thai AirAsia

Thai AirAsia

Tuesday

Thai AirAsia

Thai AirAsia

Wednesday

Thai AirAsia

Thai AirAsia

Thursday

Thai AirAsia

Thai AirAsia

Friday

Thai AirAsia

Thai AirAsia

Saturday

Thai AirAsia

Thai AirAsia

Sunday

Thai AirAsia

Thai AirAsia

See more direct flights

More options for your flight from Siem Reap to Bangkok

Complete your trip to Bangkok with a hotel stay or car hire