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Cheap flights from Ireland to Siem Reap from €376

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 10/3. 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 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
€641SWISS
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
€661SWISS
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
€670SWISS
Mon, 8 Jun - Sun, 21 Jun
Lufthansa Logo
17:35 - 09:40
DUB
-
SAI
34h 05m
2 stops
Lufthansa Logo
10:30 - 16:50
SAI
-
DUB
36h 20m
2 stops
€672Lufthansa
Mon, 8 Jun - Mon, 15 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
€690SWISS
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
€691SWISS
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
€700SWISS
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
€703Emirates
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
€721SWISS
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
€728Emirates
Sun, 7 Jun - Thu, 18 Jun

Etihad Airways flights from Ireland to Region of Siem Reap

Our best Etihad Airways deals on Ireland to Region of Siem Reap flight tickets
Etihad Airways
19 Mar
DUB08:05Dublin
21h 35m
2 stops
SAI12:40Siem Reap–Angkor Intl
28 Mar
SAI19:25Siem Reap–Angkor Intl
29h 40m
2 stops
DUB18:05Dublin
€770
Etihad Airways
17 Mar
DUB19:50Dublin
30h 25m
2 stops
SAI09:15Siem Reap–Angkor Intl
21 Mar
SAI19:25Siem Reap–Angkor Intl
29h 50m
2 stops
DUB18:15Dublin
€1,119

SWISS flights from Ireland to Region of Siem Reap

Our best SWISS deals on Ireland to Region of 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
€641
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
€661
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
€670

momondo Fare Finder

 
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 4 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

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

€641

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

€661

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

€670

DublinSiem Reap

DUB - SAI

DUBSAI

Dublin

Mon 8/6

17:35-09:40

2 stops34h 05m

Siem Reap–Angkor Intl

Mon 15/6

10:30-16:50

2 stops36h 20m

€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

€690

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

€691

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

€700

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

€703

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

€721

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

€728

Flights are sorted by cheapest return flights first.

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

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

21h 15m

Direct flights

None
The fastest flight from Ireland to Region of Siem Reap takes 21h 15m
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

  • 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.

  • 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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