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Cheap flights from Ireland to Siem Reap from €395

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 14/5. 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
0 bags
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Find the cheapest flights from Ireland to Siem Reap

Recent one-way flight deals from Ireland to Siem Reap

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:00 - 11:15
DUB
-
SAI
20h 15m
2 stops
€395Multiple Airlines
Thu, 14 May
Multiple Airlines Logo
09:00 - 06:20
DUB
-
SAI
39h 20m
3 stops
€413Multiple Airlines
Thu, 14 May
Multiple Airlines Logo
20:35 - 17:50
DUB
-
SAI
39h 15m
2 stops
€452Multiple Airlines
Mon, 19 Oct
Multiple Airlines Logo
08:10 - 10:55
DUB
-
SAI
19h 45m
2 stops
€520Multiple Airlines
Mon, 26 Oct
Multiple Airlines Logo
05:55 - 21:10
DUB
-
SAI
32h 15m
3 stops
€561Multiple Airlines
Mon, 26 Oct
Multiple Airlines Logo
17:30 - 21:30
DUB
-
SAI
22h 00m
3 stops
€636Multiple Airlines
Mon, 19 Oct
Etihad Airways Logo
20:35 - 12:15
DUB
-
SAI
33h 40m
2 stops
€702Etihad Airways
Tue, 30 Jun
Etihad Airways Logo
20:35 - 09:00
DUB
-
SAI
30h 25m
2 stops
€703Etihad Airways
Tue, 30 Jun
Etihad Airways Logo
20:35 - 12:15
DUB
-
SAI
33h 40m
2 stops
€704Etihad Airways
Tue, 30 Jun

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Customise your flight search to find flights from Ireland to Region of 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 29 April 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 one-way

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Thu 14/5

09:00-11:15

2 stops20h 15m

€395

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Thu 14/5

09:00-06:20

3 stops39h 20m

€413

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 19/10

20:35-17:50

2 stops39h 15m

€452
Fastest single journey

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 26/10

08:10-10:55

2 stops19h 45m

€520

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 26/10

05:55-21:10

3 stops32h 15m

€561

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 19/10

17:30-21:30

3 stops22h 00m

€636

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 30/6

20:35-12:15

2 stops33h 40m

€702

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 30/6

20:35-09:00

2 stops30h 25m

€703

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 30/6

20:35-12:15

2 stops33h 40m

€704

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Ireland to Region of Siem Reap flight deals and tips

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

Fastest flight time

32h 05m

Direct flights

None
The fastest flight from Ireland to Region of Siem Reap takes 32h 05m
There are no direct flights from Ireland to Region of Siem Reap. There are no popular flight routes from Ireland to Region of Siem Reap.
Search flight deals

Frequently asked questions about flying from Ireland to Siem Reap

  • When did momondo last update prices for flights from Ireland to Siem Reap?

    Prices for flights from Ireland to Siem Reap refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents required for your trip to Siem Reap can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Siem Reap. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Ireland to Siem Reap

  • How do I get Price Alerts for flights from Ireland to Region of Siem Reap?

    Search flight deals from Ireland to Region of Siem Reap. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Ireland to Region of Siem Reap with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Siem Reap. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ireland to Siem Reap flights to just show those with flexible booking policies.

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

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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