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Cheap flights from Birmingham to Siem Reap from £343

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SAI
31 Mar — 7 Apr1
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 1 March 2026.

Tue 28/408:50
BHX
-
SAI
2 stops27h 55m
SWISS
Tue 23/609:40
SAI
-
BHX
2 stops28h 25m
SWISS
Deal found 25/2£566
Tue 28/417:55
BHX
-
SAI
2 stops18h 50m
Multiple Airlines
Tue 23/609:40
SAI
-
BHX
2 stops28h 25m
Multiple Airlines
Deal found 25/2£574
Mon 13/408:50
BHX
-
SAI
2 stops30h 40m
Multiple Airlines
Tue 30/610:30
SAI
-
BHX
2 stops29h 20m
Multiple Airlines
Deal found 27/2£615
Mon 6/417:55
BHX
-
SAI
2 stops33h 45m
Lufthansa
Tue 30/610:30
SAI
-
BHX
2 stops37h 05m
Lufthansa
Deal found 27/2£631
Mon 6/417:55
BHX
-
SAI
2 stops21h 35m
Multiple Airlines
Tue 30/610:30
SAI
-
BHX
2 stops29h 20m
Multiple Airlines
Deal found 26/2£635
Tue 31/307:35
BHX
-
SAI
2 stops27h 35m
Multiple Airlines
Tue 30/618:05
SAI
-
BHX
2 stops22h 15m
Multiple Airlines
Deal found 25/2£880

Find flight deals from Birmingham to Siem Reap

Keep the following information in mind while searching for Birmingham to Siem Reap flight deals. Data was last updated 1 March 2026.

Round-trip from

£566

One-way from

£343
SWISS
  • SWISS
  • 28/4-23/6
  • 4 total stops
  • 56h 20m total
  • Birmingham to Siem Reap
Search Deals
14/4
  • 14/4
  • 3 total stops
  • 42h 25m 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 1 March 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

17:55-18:45

2 stops18h 50m

Siem Reap–Angkor Intl

Tue 23/6

09:40-08:05

2 stops28h 25m

£574

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 13/4

08:50-21:30

2 stops30h 40m

Siem Reap–Angkor Intl

Tue 30/6

10:30-09:50

2 stops29h 20m

£615

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 6/4

17:55-09:40

2 stops33h 45m

Siem Reap–Angkor Intl

Tue 30/6

10:30-17:35

2 stops37h 05m

£631

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 31/3

07:35-17:10

2 stops27h 35m

Siem Reap–Angkor Intl

Tue 30/6

18:05-10:20

2 stops22h 15m

£880

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 31/3

17:55-18:45

2 stops18h 50m

Siem Reap–Angkor Intl

Tue 30/6

10:30-09:50

2 stops29h 20m

£899

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Mon 6/4

18:50-09:40

3 stops32h 50m

Siem Reap–Angkor Intl

Tue 30/6

09:40-18:00

3 stops38h 20m

£3,944

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 14/4

18:20-18:45

3 stops42h 25m

£343

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 15/3

18:50-18:45

2 stops40h 55m

£480

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Tue 17/3

10:45-09:50

2 stops40h 05m

£522

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Fri 27/3

06:55-15:00

2 stops25h 05m

£549

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Birmingham to Siem Reap
No data available for this route at this time. Please check back soon.

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.

  • What airport do you fly from for flights from Birmingham to Siem Reap?

    For a flight from Birmingham to Siem Reap, you will be flying from Birmingham. Birmingham (BHX) is just 6.8 mi from the center of the city.

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

    Lufthansa can get you from Birmingham to Region of Siem Reap in just under 33h 45m. Your travel time can differ by up to . The distance from Birmingham to Region of Siem Reap is about 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Birmingham to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Yes! Cheapflights helps users easily find flights from Birmingham to Siem Reap with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Siem Reap from Birmingham today and book when prices fit your budget.

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