Latest deals
FAQs
Price Alerts

Cheap flights from Ireland to Siem Reap from €492

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 25/7. 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
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
SWISS Logo
18:35 - 18:45
DUB
-
SAI
42h 10m
2 stops
SWISS Logo
09:40 - 17:50
SAI
-
DUB
38h 10m
2 stops
€643SWISS
Tue, 9 Jun - Sun, 21 Jun
SWISS Logo
18:35 - 18:45
DUB
-
SAI
42h 10m
2 stops
SWISS Logo
09:40 - 17:50
SAI
-
DUB
38h 10m
2 stops
€663SWISS
Tue, 9 Jun - Fri, 19 Jun
SWISS Logo
18:35 - 09:40
DUB
-
SAI
33h 05m
2 stops
SWISS Logo
09:40 - 17:50
SAI
-
DUB
38h 10m
2 stops
€672SWISS
Mon, 8 Jun - Sun, 21 Jun
SWISS Logo
18:35 - 09:40
DUB
-
SAI
33h 05m
2 stops
SWISS Logo
09:40 - 17:50
SAI
-
DUB
38h 10m
2 stops
€692SWISS
Mon, 8 Jun - Fri, 19 Jun
SWISS Logo
18:35 - 18:45
DUB
-
SAI
42h 10m
2 stops
SWISS Logo
09:40 - 07:55
SAI
-
DUB
28h 15m
2 stops
€693SWISS
Tue, 9 Jun - Sat, 20 Jun
SWISS Logo
18:35 - 09:40
DUB
-
SAI
33h 05m
2 stops
SWISS Logo
09:40 - 17:50
SAI
-
DUB
38h 10m
2 stops
€702SWISS
Sun, 7 Jun - Sun, 21 Jun
Emirates Logo
22:00 - 21:30
DUB
-
SAI
41h 30m
2 stops
Emirates Logo
23:50 - 12:20
SAI
-
DUB
42h 30m
2 stops
€705Emirates
Sun, 7 Jun - Tue, 23 Jun
SWISS Logo
18:35 - 09:40
DUB
-
SAI
33h 05m
2 stops
SWISS Logo
09:40 - 17:50
SAI
-
DUB
38h 10m
2 stops
€722SWISS
Sun, 7 Jun - Fri, 19 Jun
Emirates Logo
22:00 - 21:30
DUB
-
SAI
41h 30m
2 stops
Emirates Logo
23:50 - 20:05
SAI
-
DUB
26h 15m
2 stops
€730Emirates
Sun, 7 Jun - Thu, 18 Jun
Multiple Airlines Logo
08:40 - 09:40
DUB
-
SAI
43h 00m
2 stops
Multiple Airlines Logo
16:00 - 16:55
SAI
-
DUB
30h 55m
2 stops
€734Multiple Airlines
Thu, 11 Jun - Sun, 21 Jun

SWISS flights from Ireland to Siem Reap

Our best SWISS deals on Ireland to Siem Reap flight tickets
SWISS
9 Jun
DUB18:35Dublin
42h 10m
2 stops
SAI18:45Siem Reap–Angkor Intl
21 Jun
SAI09:40Siem Reap–Angkor Intl
38h 10m
2 stops
DUB17:50Dublin
€643
SWISS
9 Jun
DUB18:35Dublin
42h 10m
2 stops
SAI18:45Siem Reap–Angkor Intl
19 Jun
SAI09:40Siem Reap–Angkor Intl
38h 10m
2 stops
DUB17:50Dublin
€663
SWISS
8 Jun
DUB18:35Dublin
33h 05m
2 stops
SAI09:40Siem Reap–Angkor Intl
21 Jun
SAI09:40Siem Reap–Angkor Intl
38h 10m
2 stops
DUB17:50Dublin
€672

Emirates flights from Ireland to Siem Reap

Our best Emirates deals on Ireland to Siem Reap flight tickets
Emirates
7 Jun
DUB22:00Dublin
41h 30m
2 stops
SAI21:30Siem Reap–Angkor Intl
23 Jun
SAI23:50Siem Reap–Angkor Intl
42h 30m
2 stops
DUB12:20Dublin
€705
Emirates
7 Jun
DUB22:00Dublin
41h 30m
2 stops
SAI21:30Siem Reap–Angkor Intl
18 Jun
SAI23:50Siem Reap–Angkor Intl
26h 15m
2 stops
DUB20:05Dublin
€730
Emirates
7 Jun
DUB22:00Dublin
41h 30m
2 stops
SAI21:30Siem Reap–Angkor Intl
17 Jun
SAI12:55Siem Reap–Angkor Intl
29h 25m
2 stops
DUB12:20Dublin
€739

momondo Fare Finder

 
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 6 March 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

Tue 9/6

18:35-18:45

2 stops42h 10m

Siem Reap–Angkor Intl

Sun 21/6

09:40-17:50

2 stops38h 10m

€643

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 9/6

18:35-18:45

2 stops42h 10m

Siem Reap–Angkor Intl

Fri 19/6

09:40-17:50

2 stops38h 10m

€663

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 8/6

18:35-09:40

2 stops33h 05m

Siem Reap–Angkor Intl

Sun 21/6

09:40-17:50

2 stops38h 10m

€672

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 8/6

18:35-09:40

2 stops33h 05m

Siem Reap–Angkor Intl

Fri 19/6

09:40-17:50

2 stops38h 10m

€692

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Tue 9/6

18:35-18:45

2 stops42h 10m

Siem Reap–Angkor Intl

Sat 20/6

09:40-07:55

2 stops28h 15m

€693

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 7/6

18:35-09:40

2 stops33h 05m

Siem Reap–Angkor Intl

Sun 21/6

09:40-17:50

2 stops38h 10m

€702

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 7/6

22:00-21:30

2 stops41h 30m

Siem Reap–Angkor Intl

Tue 23/6

23:50-12:20

2 stops42h 30m

€705

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 7/6

18:35-09:40

2 stops33h 05m

Siem Reap–Angkor Intl

Fri 19/6

09:40-17:50

2 stops38h 10m

€722
Fastest return journey

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Sun 7/6

22:00-21:30

2 stops41h 30m

Siem Reap–Angkor Intl

Thu 18/6

23:50-20:05

2 stops26h 15m

€730

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Thu 11/6

08:40-09:40

2 stops43h 00m

Siem Reap–Angkor Intl

Sun 21/6

16:00-16:55

2 stops30h 55m

€734

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

21h 15m

Direct flights

None
The fastest flight from Ireland to Siem Reap takes 21h 15m
There are no direct flights from Ireland to Siem Reap. There are no popular flight routes from Ireland to Siem Reap.
Search flight deals

  • 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.

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

    Search flight deals from Ireland to 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 Siem Reap with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 5/4
Sun 12/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Popular Cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo
Flights to Phnom Penhfrom €1,509