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Cheap flights from Ireland to Siem Reap from €364

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Siem Reap departing on 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Ireland to Siem Reap

Recent return flight deals from Ireland to Siem Reap

Enter your travel dates to find the best prices.
Etihad Airways Logo
09:00 - 11:15
DUB
-
SAI
20h 15m
2 stops
Etihad Airways Logo
15:10 - 19:05
SAI
-
DUB
33h 55m
2 stops
€779Etihad Airways
Sun, 5 Jul - Thu, 9 Jul
Multiple Airlines Logo
15:00 - 18:55
DUB
-
SAI
21h 55m
2 stops
Multiple Airlines Logo
23:50 - 21:30
SAI
-
DUB
27h 40m
3 stops
€1,280Multiple Airlines
Sun, 5 Jul - Thu, 9 Jul
Qatar Airways Logo
08:15 - 12:15
DUB
-
SAI
22h 00m
2 stops
Qatar Airways Logo
19:35 - 20:15
SAI
-
DUB
30h 40m
2 stops
€2,568Qatar Airways
Sat, 4 Jul - Wed, 8 Jul

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Customise your flight search to find flights from Ireland 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 21 June 2026.
Use the filters below to find and compare flights from Ireland 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 5/7

09:00-11:15

2 stops20h 15m

Siem Reap–Angkor Intl

Thu 9/7

15:10-19:05

2 stops33h 55m

€779
Fastest return journey

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 5/7

15:00-18:55

2 stops21h 55m

Siem Reap–Angkor Intl

Thu 9/7

23:50-21:30

3 stops27h 40m

€1,280

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sat 4/7

08:15-12:15

2 stops22h 00m

Siem Reap–Angkor Intl

Wed 8/7

19:35-20:15

2 stops30h 40m

€2,568
Cheapest one-way

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Wed 15/7

20:35-16:55

2 stops38h 20m

€364
Fastest single journey

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 14/7

09:00-11:15

2 stops20h 15m

€383

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sat 4/7

20:35-14:20

2 stops35h 45m

€389

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 28/6

09:00-14:20

2 stops23h 20m

€445

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 13/7

20:35-17:50

2 stops39h 15m

€454

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sat 4/7

15:25-11:10

3 stops37h 45m

€476

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Wed 8/7

07:10-09:00

3 stops43h 50m

€492

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Ireland 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 Ireland to Siem Reap–Angkor Intl?

Etihad Airways is the most popular carrier operating from Ireland to Siem Reap–Angkor Intl

Cheap Ireland to Siem Reap flight deals and tips

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

Fastest flight time

20h 15m

Direct flights

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

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

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

  • How old do you have to be to fly from Ireland 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 Ireland 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 Ireland to Siem Reap?

Finding the right flight to Siem Reap from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

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

Flights from Ireland to Siem Reap with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ireland to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Ireland to Siem Reap flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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