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Cheap flights from Birmingham to Siem Reap from £688

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Birmingham to Siem Reap departing on 30/8. 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
1 adult, Economy, 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.
Multiple Airlines Logo
17:55 - 09:40
BHX
-
SAI
33h 45m
2 stops
Multiple Airlines Logo
23:50 - 08:05
SAI
-
BHX
38h 15m
2 stops
£688Multiple Airlines
Sun, 30 Aug - Sat, 5 Sep
Multiple Airlines Logo
18:00 - 09:00
BHX
-
SAI
33h 00m
3 stops
Multiple Airlines Logo
09:40 - 17:15
SAI
-
BHX
37h 35m
3 stops
£841Multiple Airlines
Sun, 30 Aug - Sat, 5 Sep
Lufthansa Logo
05:55 - 18:55
BHX
-
SAI
31h 00m
3 stops
Lufthansa Logo
10:30 - 10:00
SAI
-
BHX
29h 30m
2 stops
£869Lufthansa
Sun, 30 Aug - Sat, 5 Sep
Lufthansa Logo
05:55 - 09:40
BHX
-
SAI
21h 45m
2 stops
Lufthansa Logo
19:35 - 17:10
SAI
-
BHX
27h 35m
2 stops
£930Lufthansa
Sun, 30 Aug - Sat, 5 Sep
Multiple Airlines Logo
21:45 - 21:30
BHX
-
SAI
41h 45m
2 stops
Multiple Airlines Logo
18:30 - 12:30
SAI
-
BHX
24h 00m
2 stops
£1,293Multiple Airlines
Sun, 2 Aug - Sun, 16 Aug
Multiple Airlines Logo
14:35 - 11:15
BHX
-
SAI
38h 40m
3 stops
Multiple Airlines Logo
13:00 - 12:30
SAI
-
BHX
29h 30m
3 stops
£1,328Multiple Airlines
Sun, 2 Aug - Sun, 16 Aug
Multiple Airlines Logo
21:45 - 12:15
BHX
-
SAI
32h 30m
2 stops
Multiple Airlines Logo
13:00 - 19:40
SAI
-
BHX
36h 40m
3 stops
£1,356Multiple Airlines
Sun, 2 Aug - Sun, 16 Aug

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Lufthansa flights from Birmingham to Siem Reap

Our best Lufthansa deals on Birmingham to Siem Reap flight tickets
Lufthansa
30 Aug
BHX05:55Birmingham
31h 00m
3 stops
SAI18:55Siem Reap–Angkor Intl
5 Sept
SAI10:30Siem Reap–Angkor Intl
29h 30m
2 stops
BHX10:00Birmingham
£869
Lufthansa
30 Aug
BHX05:55Birmingham
21h 45m
2 stops
SAI09:40Siem Reap–Angkor Intl
5 Sept
SAI19:35Siem Reap–Angkor Intl
27h 35m
2 stops
BHX17:10Birmingham
£930

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 28 June 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

Cheapest return flight

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 30/8

17:55-09:40

2 stops33h 45m

Siem Reap–Angkor Intl

Sat 5/9

23:50-08:05

2 stops38h 15m

£688

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 30/8

18:00-09:00

3 stops33h 00m

Siem Reap–Angkor Intl

Sat 5/9

09:40-17:15

3 stops37h 35m

£841

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 30/8

05:55-18:55

3 stops31h 00m

Siem Reap–Angkor Intl

Sat 5/9

10:30-10:00

2 stops29h 30m

£869
Fastest return journey

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 30/8

05:55-09:40

2 stops21h 45m

Siem Reap–Angkor Intl

Sat 5/9

19:35-17:10

2 stops27h 35m

£930

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 2/8

21:45-21:30

2 stops41h 45m

Siem Reap–Angkor Intl

Sun 16/8

18:30-12:30

2 stops24h 00m

£1,293

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 2/8

14:35-11:15

3 stops38h 40m

Siem Reap–Angkor Intl

Sun 16/8

13:00-12:30

3 stops29h 30m

£1,328

BirminghamSiem Reap

BHX - SAI

BHXSAI

Birmingham

Sun 2/8

21:45-12:15

2 stops32h 30m

Siem Reap–Angkor Intl

Sun 16/8

13:00-19:40

3 stops36h 40m

£1,356

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Which airlines fly to Siem Reap?

Singapore Airlines, Emirates and Etihad Airways are the top three most popular airlines that fly to Siem Reap from Birmingham according to our data. Singapore Airlines is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Siem Reap. Keep in mind that there are 3 different airlines that fly to Siem Reap on a routine basis, so you have a few additional options to choose from.

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

22h 25m

Direct flights

None
The fastest flight from Birmingham to Siem Reap takes 22h 25m
There are no direct flights from Birmingham to Siem Reap. There are no popular flight routes from Birmingham to Siem Reap.
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Frequently asked questions about flying from Birmingham to Siem Reap

  • 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 22h 25m.

  • 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 many operators does momondo search for flights from Birmingham Airport to Siem Reap–Angkor Intl Airport?

  • 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.

  • What is the most popular airline from Birmingham to Siem Reap?

Best airlines flying from Birmingham to Siem Reap

Compare and see reviews for airlines that fly from Birmingham to Siem Reap with momondo
Airline
Rating
Free Cancellation
Price
EmiratesPriceFrom £867Free CancellationRating
8.1
3,602 reviews
Search Emirates flights

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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Fly your favourite airline to Siem Reap

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Singapore Airlines
Emirates
Etihad Airways