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Cheap flights from Birmingham to Siem Reap, Cambodia from £569

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SAI
1 Mar — 8 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Birmingham to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Birmingham to Siem Reap
Explore the most affordable flight options available from Birmingham to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 January 2026.

Mon 1/617:55
BHX
-
SAI
2 stops18h 50m
Lufthansa
Wed 30/916:00
SAI
-
BHX
2 stops23h 40m
Lufthansa
Deal found 29/1£569
Thu 30/418:50
BHX
-
SAI
2 stops32h 50m
Multiple Airlines
Tue 30/610:30
SAI
-
BHX
2 stops37h 05m
Multiple Airlines
Deal found 28/1£589
Fri 13/317:45
BHX
-
SAI
2 stops33h 05m
Lufthansa
Wed 18/316:45
SAI
-
BHX
2 stops31h 05m
Lufthansa
Deal found 28/1£747
Thu 12/317:45
BHX
-
SAI
2 stops18h 00m
Lufthansa
Tue 17/316:45
SAI
-
BHX
2 stops31h 15m
Lufthansa
Deal found 28/1£767
Thu 12/318:50
BHX
-
SAI
2 stops40h 55m
SWISS
Wed 18/316:45
SAI
-
BHX
2 stops32h 15m
SWISS
Deal found 28/1£773
Mon 1/618:50
BHX
-
SAI
2 stops41h 55m
Multiple Airlines
Wed 30/914:55
SAI
-
BHX
3 stops21h 45m
Multiple Airlines
Deal found 29/1£774
Mon 1/617:55
BHX
-
SAI
2 stops18h 50m
Multiple Airlines
Tue 2/623:50
SAI
-
BHX
3 stops48h 10m
Multiple Airlines
Deal found 28/1£782
Mon 1/614:35
BHX
-
SAI
2 stops24h 55m
Emirates
Fri 31/712:55
SAI
-
BHX
2 stops36h 45m
Emirates
Deal found 28/1£887
Sun 31/521:45
BHX
-
SAI
2 stops41h 45m
Emirates
Fri 31/712:55
SAI
-
BHX
2 stops29h 35m
Emirates
Deal found 28/1£889
Fri 13/313:40
BHX
-
SAI
2 stops24h 30m
Multiple Airlines
Wed 18/309:20
SAI
-
BHX
3 stops40h 25m
Multiple Airlines
Deal found 28/1£963

Find flight deals from Birmingham to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 January 2026.

Round-trip from

£569
Lufthansa
  • Lufthansa
  • 1/6-30/9
  • 4 total stops
  • 42h 30m total
  • Birmingham to Siem Reap
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 30 January 2026.
Use the filters below to find and compare flights from Birmingham to Siem Reap that are best for you.

Fly from

Birmingham

Fly to

Siem Reap

Route

Depart

Return

Price

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 1/6

17:55-18:45

2 stops18h 50m

Siem Reap–Angkor Intl

Wed 30/9

16:00-09:40

2 stops23h 40m

£569

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Fri 13/3

17:45-09:50

2 stops33h 05m

Siem Reap–Angkor Intl

Wed 18/3

16:45-16:50

2 stops31h 05m

£747

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Thu 12/3

17:45-18:45

2 stops18h 00m

Siem Reap–Angkor Intl

Tue 17/3

16:45-17:00

2 stops31h 15m

£767

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 1/6

18:50-18:45

2 stops41h 55m

Siem Reap–Angkor Intl

Wed 30/9

14:55-06:40

3 stops21h 45m

£774

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 1/6

17:55-18:45

2 stops18h 50m

Siem Reap–Angkor Intl

Tue 2/6

23:50-18:00

3 stops48h 10m

£782

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 31/5

21:45-21:30

2 stops41h 45m

Siem Reap–Angkor Intl

Fri 31/7

12:55-12:30

2 stops29h 35m

£889

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Thu 30/4

18:10-21:30

3 stops45h 20m

Siem Reap–Angkor Intl

Tue 30/6

23:50-17:30

3 stops47h 40m

£948

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Thu 12/3

20:50-12:40

2 stops32h 50m

Siem Reap–Angkor Intl

Tue 17/3

23:50-18:45

1 stop25h 55m

£983

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Thu 12/3

13:40-20:55

3 stops24h 15m

Siem Reap–Angkor Intl

Tue 17/3

19:25-11:40

2 stops23h 15m

£991

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 1/6

17:55-18:45

2 stops18h 50m

Siem Reap–Angkor Intl

Mon 31/8

19:25-17:10

2 stops27h 45m

£997

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 11 results
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Best time to book a flight from Birmingham to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Birmingham with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Birmingham to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Birmingham to Siem Reap?

    For as low as £569, Lufthansa can have you in Siem Reap from Birmingham in 18h 50m. Birmingham and Siem Reap are separated by a distance of 6134 mi.

  • Can I find deals for flights from Birmingham to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Birmingham to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Birmingham to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to Siem Reap.

  • Can I find deals for business class flights from Birmingham to Siem Reap?

    Yes. Cheapflights offers flight deals from Birmingham to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Birmingham to Siem Reap?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Siem Reap from Birmingham today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Birmingham to Siem Reap?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Birmingham to Siem Reap.

Can Cheapflights find flights from Birmingham to Siem Reap with no change fees?

Certainly. Search results for flights to Siem Reap from Birmingham shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Birmingham to Siem Reap become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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