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

Emirates can get you from Birmingham to Region of Siem Reap in just under 41h 20m. Your travel time can differ by up to . The distance from Birmingham to Region of Siem Reap is about 6134 mi.

In terms of precipitation, rainfall in Region of Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Region of Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Region of Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

What is the cheapest time of day to fly from BHX to SI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Birmingham to Region of Siem Reap as you normally would.

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.

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.

£459+ Cheap Flights from Birmingham to Siem Reap

Cheap flight deals from Birmingham to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 10 November 2026.

Sun 6/1218:50 -

2 stops40h 40m

Sun 13/1209:55 -

2 stops29h 15m

Deal found 6/11£800

Sun 6/1206:05 -

3 stops27h 00m

Sun 13/1220:05 -

3 stops31h 55m

Deal found 6/11£875

Tue 22/1217:40 -

3 stops33h 00m

Tue 29/1221:30 -

3 stops30h 50m

Deal found 7/11£1,217

Tue 22/1220:50 -

2 stops41h 20m

Tue 29/1223:50 -

2 stops18h 50m

Deal found 7/11£1,236

Wed 16/1213:45 -

2 stops24h 25m

Sun 3/113:20 -

2 stops36h 25m

Deal found 6/11£3,220

Find flight deals from Birmingham to Siem Reap

Round-trip from	£800
One-way from	£459

SWISS
6/12-13/12
4 total stops
69h 55m total
Birmingham to Siem Reap

Search Deals

14/12-31/12
3 total stops
39h 55m total
Birmingham to Siem Reap

Search Deals

Cheapflights Fare Finder

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

Cheapest return flight

BirminghamSiem Reap

BHX Birmingham - SAI Siem Reap–Angkor Intl

BHXSAI

Birmingham

Mon 14/12

18:00-16:55

3 stops39h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£459

Fastest return journey

BirminghamSiem Reap

BHX Birmingham - SAI Siem Reap–Angkor Intl

BHXSAI

Birmingham

Mon 14/12

20:50-21:10

2 stops17h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£801

BirminghamSiem Reap

BHX Birmingham - SAI Siem Reap–Angkor Intl

BHXSAI

Birmingham

Tue 23/2

20:50-21:10

2 stops41h 20m

Siem Reap–Angkor Intl

Thu 11/3

23:50-11:40

2 stops42h 50m

£858

BirminghamSiem Reap

BHX Birmingham - SAI Siem Reap–Angkor Intl

BHXSAI

Birmingham

Tue 23/2

08:20-21:10

3 stops53h 50m

Siem Reap–Angkor Intl

Thu 11/3

23:50-18:45

2 stops25h 55m

£965

BirminghamSiem Reap

BHX Birmingham - SAI Siem Reap–Angkor Intl

BHXSAI

Birmingham

Wed 16/12

13:45-21:10

2 stops24h 25m

Siem Reap–Angkor Intl

Sun 3/1

13:20-18:45

2 stops36h 25m

£3,220

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Sorted by cheapest first

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.

BHX-SAI

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

BHX-KHSI

BHX-SAI

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Siem Reap

Get a feel of what it's like to fly with Emirates from Birmingham to Siem Reap by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.1

Very Good

3,695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Emirates

8.1

Very Good

3,695 reviews

Emirates

8.1

Very Good

3,695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Related info for your journey

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?
Emirates can get you from Birmingham to Region of Siem Reap in just under 41h 20m. 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Birmingham to Siem Reap

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Gatwick to Krong Preah Sihanouk flights

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Luton to Siem Reap flights

Edinburgh to Siem Reap flights

Manchester to Krong Preah Sihanouk flights

Top airline flying from Birmingham to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Emirates	Cheapest£854	Average£875	FlexibilityNo cancel fee	On-time75%	Search Emirates flights

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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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Cheap flights from Birmingham to Siem Reap from £459

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Birmingham to Siem Reap

Cheapest flights from Birmingham to Siem ReapExplore 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 10 November 2026.

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 10 November 2026.

Best flights from Birmingham to Siem ReapDiscover carefully curated flight deals from Birmingham to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Discover carefully curated flight deals from Birmingham to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Last-minute flights from Birmingham to Siem ReapDiscover last-minute flight deals from Birmingham to Siem Reap. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Birmingham to Siem Reap. Data last updated 10 November 2026 and is based on user searches.

One-way flights from Birmingham to Siem ReapSearch for one-way flight options from Birmingham to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Search for one-way flight options from Birmingham to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Find flight deals from Birmingham to Siem Reap

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Birmingham to Siem Reap that are best for you.

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.

Cheapflights Insights

Reviews of airlines servicing Siem Reap

Get a feel of what it's like to fly with Emirates from Birmingham to Siem Reap by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Birmingham to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Birmingham to Siem Reap by cabin class

Find flights from Birmingham to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Birmingham and Siem Reap flights

Browse other Birmingham and Siem Reap flight options. Last updated on 10 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Birmingham to Siem Reap

Fly with Cheapflights

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

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

Can Cheapflights 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?

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Travel Smart

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 10 November 2026.

Best flights from Birmingham to Siem Reap
Discover carefully curated flight deals from Birmingham to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Last-minute flights from Birmingham to Siem Reap
Discover last-minute flight deals from Birmingham to Siem Reap. Data last updated 10 November 2026 and is based on user searches.

One-way flights from Birmingham to Siem Reap
Search for one-way flight options from Birmingham to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.