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Cheap flights from Birmingham to Siem Reap from £328

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Birmingham to Siem Reap departing on 15/3. 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 Birmingham to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
SWISS Logo
08:50 - 18:45
BHX
-
SAI
27h 55m
2 stops
SWISS Logo
09:40 - 08:05
SAI
-
BHX
28h 25m
2 stops
£558SWISS
Tue, 28 Apr - Tue, 23 Jun
SWISS Logo
18:50 - 18:45
BHX
-
SAI
41h 55m
2 stops
SWISS Logo
09:40 - 18:00
SAI
-
BHX
38h 20m
2 stops
£630SWISS
Mon, 1 Jun - Wed, 30 Sep
Multiple Airlines Logo
18:05 - 21:30
BHX
-
SAI
45h 25m
3 stops
Multiple Airlines Logo
09:40 - 08:05
SAI
-
BHX
28h 25m
2 stops
£782Multiple Airlines
Tue, 28 Apr - Tue, 23 Jun
Multiple Airlines Logo
18:05 - 21:30
BHX
-
SAI
45h 25m
3 stops
Multiple Airlines Logo
09:40 - 08:05
SAI
-
BHX
28h 25m
2 stops
£783Multiple Airlines
Tue, 28 Apr - Tue, 23 Jun
Emirates Logo
21:45 - 21:30
BHX
-
SAI
41h 45m
2 stops
Emirates Logo
12:55 - 19:40
SAI
-
BHX
36h 45m
2 stops
£900Emirates
Tue, 28 Apr - Fri, 31 Jul
Multiple Airlines Logo
18:05 - 21:30
BHX
-
SAI
45h 25m
3 stops
Multiple Airlines Logo
23:50 - 09:40
SAI
-
BHX
39h 50m
3 stops
£984Multiple Airlines
Tue, 28 Apr - Tue, 23 Jun
Multiple Airlines Logo
18:05 - 21:30
BHX
-
SAI
45h 25m
3 stops
Multiple Airlines Logo
23:50 - 09:40
SAI
-
BHX
39h 50m
3 stops
£985Multiple Airlines
Tue, 28 Apr - Tue, 23 Jun
Multiple Airlines Logo
20:25 - 21:30
BHX
-
SAI
43h 05m
3 stops
Multiple Airlines Logo
19:10 - 12:30
SAI
-
BHX
23h 20m
2 stops
£1,045Multiple Airlines
Tue, 28 Apr - Fri, 31 Jul
Multiple Airlines Logo
15:10 - 09:00
BHX
-
SAI
35h 50m
3 stops
Multiple Airlines Logo
09:40 - 06:40
SAI
-
BHX
27h 00m
3 stops
£1,261Multiple Airlines
Mon, 1 Jun - Wed, 30 Sep
Multiple Airlines Logo
18:05 - 21:30
BHX
-
SAI
45h 25m
3 stops
Multiple Airlines Logo
14:55 - 06:40
SAI
-
BHX
21h 45m
3 stops
£1,395Multiple Airlines
Tue, 28 Apr - Fri, 31 Jul

SWISS flights from Birmingham to Siem Reap

Our best SWISS deals on Birmingham to Siem Reap flight tickets
SWISS
28 Apr
BHX08:50Birmingham
27h 55m
2 stops
SAI18:45Siem Reap–Angkor Intl
23 Jun
SAI09:40Siem Reap–Angkor Intl
28h 25m
2 stops
BHX08:05Birmingham
£558
SWISS
1 Jun
BHX18:50Birmingham
41h 55m
2 stops
SAI18:45Siem Reap–Angkor Intl
30 Sept
SAI09:40Siem Reap–Angkor Intl
38h 20m
2 stops
BHX18:00Birmingham
£630

momondo Fare Finder

 
Customise your flight search to find flights from Birmingham 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 279,928 searches. Data last updated 7 February 2026.
Use the filters below to find and compare flights from Birmingham to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

08:50-18:45

2 stops27h 55m

Siem Reap–Angkor Intl

Tue 23/6

09:40-08:05

2 stops28h 25m

£558

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 1/6

18:50-18:45

2 stops41h 55m

Siem Reap–Angkor Intl

Wed 30/9

09:40-18:00

2 stops38h 20m

£630

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

18:05-21:30

3 stops45h 25m

Siem Reap–Angkor Intl

Tue 23/6

09:40-08:05

2 stops28h 25m

£782

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

18:05-21:30

3 stops45h 25m

Siem Reap–Angkor Intl

Tue 23/6

09:40-08:05

2 stops28h 25m

£782

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

21:45-21:30

2 stops41h 45m

Siem Reap–Angkor Intl

Fri 31/7

12:55-19:40

2 stops36h 45m

£900

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

18:05-21:30

3 stops45h 25m

Siem Reap–Angkor Intl

Tue 23/6

23:50-09:40

3 stops39h 50m

£984

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

18:05-21:30

3 stops45h 25m

Siem Reap–Angkor Intl

Tue 23/6

23:50-09:40

3 stops39h 50m

£985

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

20:25-21:30

3 stops43h 05m

Siem Reap–Angkor Intl

Fri 31/7

19:10-12:30

2 stops23h 20m

£1,045

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 1/6

15:10-09:00

3 stops35h 50m

Siem Reap–Angkor Intl

Wed 30/9

09:40-06:40

3 stops27h 00m

£1,261

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 28/4

18:05-21:30

3 stops45h 25m

Siem Reap–Angkor Intl

Fri 31/7

14:55-06:40

3 stops21h 45m

£1,395

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

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

SWISS is the most popular carrier operating from Birmingham to Siem Reap–Angkor Intl

When to book flights from Birmingham to Siem Reap

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

Cheap Birmingham to Siem Reap (BHX to SAI) flight deals and tips

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

Fastest flight time

27h 55m

Direct flights

None
The fastest flight from Birmingham to Siem Reap takes 27h 55m
There are no direct flights from Birmingham to Siem Reap. There are no popular flight routes from Birmingham to Siem Reap.
Search flight deals

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

    There are 6125.6 mi between Birmingham and Siem Reap–Angkor Intl. A reasonable flight in good conditions will take 27h 55m.

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

    Prices for flights from Birmingham Airport to Siem Reap–Angkor Intl Airport are updated daily.

  • How old do you have to be to fly from Birmingham 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 layovers 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 Birmingham 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 license 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 Birmingham to Siem Reap?

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

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

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

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

Once all potential Birmingham to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Siem Reap from Birmingham. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.
First Class to Siem Reap
Business Class to Siem Reap