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Cheap flights from Dublin to Siem Reap from €543

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Siem Reap departing on 30/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Dublin to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
20:35 - 09:00
DUB
-
SAI
30h 25m
2 stops
Etihad Airways Logo
15:10 - 07:15
SAI
-
DUB
22h 05m
2 stops
€989Etihad Airways
Sun, 12 Jul - Tue, 28 Jul
Multiple Airlines Logo
09:00 - 11:15
DUB
-
SAI
20h 15m
2 stops
Multiple Airlines Logo
23:50 - 18:20
SAI
-
DUB
24h 30m
3 stops
€1,087Multiple Airlines
Sun, 12 Jul - Tue, 28 Jul
Multiple Airlines Logo
21:20 - 09:00
DUB
-
SAI
29h 40m
3 stops
Multiple Airlines Logo
15:35 - 19:00
SAI
-
DUB
33h 25m
3 stops
€1,259Multiple Airlines
Sun, 12 Jul - Tue, 28 Jul

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 9 May 2026.
Use the filters below to find and compare flights from Dublin to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 12/7

20:35-09:00

2 stops30h 25m

Siem Reap–Angkor Intl

Tue 28/7

15:10-07:15

2 stops22h 05m

€989
Fastest return journey

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 12/7

09:00-11:15

2 stops20h 15m

Siem Reap–Angkor Intl

Tue 28/7

23:50-18:20

3 stops24h 30m

€1,087

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 12/7

21:20-09:00

3 stops29h 40m

Siem Reap–Angkor Intl

Tue 28/7

15:35-19:00

3 stops33h 25m

€1,259
Cheapest one-way

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 30/6

09:00-17:50

2 stops26h 50m

€543

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 30/6

15:00-18:45

2 stops21h 45m

€609
Fastest single journey

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 30/6

08:15-09:00

2 stops18h 45m

€610

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Siem Reap from

How to get the cheapest flight ticket from Dublin to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Dublin to Siem Reap–Angkor Intl?

Etihad Airways and Qatar Airways are the most popular carriers operating from Dublin to Siem Reap–Angkor Intl

When to book flights from Dublin to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Siem Reap (DUB to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Siem Reap

Fastest flight time

20h 15m

Direct flights

None
The fastest flight from Dublin to Siem Reap takes 20h 15m
There are no direct flights from Dublin to Siem Reap. There are no popular flight routes from Dublin to Siem Reap.
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Frequently asked questions about flying from Dublin to Siem Reap

  • How far is Dublin to Siem Reap–Angkor Intl by plane?

    Siem Reap–Angkor Intl is 10092.4 km away from Dublin. In terms of flight time, this usually takes a little over 20h 15m.

  • When did momondo last update prices for flights from Dublin Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Dublin Airport to Siem Reap–Angkor Intl Airport were last updated today.

  • How old do you have to be to fly from Dublin Airport to Siem Reap–Angkor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Siem Reap?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Siem Reap . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dublin to Siem Reap with flexible booking policies on momondo?

All flight searches from Dublin to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin to Siem Reap?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Siem Reap.

I’m not ready to book a flight from Dublin to Siem Reap right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Siem Reap, momondo offers a useful price alert feature which will track prices for flights to Siem Reap from Dublin and alert you when they change.

An easier way to manage your Siem Reap trip

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