How long is the flight from Brighton to Siem Reap?

Departing from Brighton to Siem Reap will take you 16h 15m. Airlines will cover a distance of 6106 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from Brighton to Siem Reap one-way?

The cheapet airlines for a one-way flight from Brighton to Siem Reap are Austrian Airlines (£376), Vietnam Airlines (£449), and Singapore Airlines (£501).

In terms of precipitation, rainfall in 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 Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to 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 are the most popular routes from Brighton to Siem Reap?

The most popular route from Brighton to Siem Reap is London Gatwick - Siem Reap–Angkor Intl. You may also consider London Heathrow - Siem Reap–Angkor Intl or London City - Siem Reap–Angkor Intl.

What are the most popular airlines that fly from Brighton to Siem Reap?

When booking a flight from Brighton to Siem Reap, you may want to consider flying on Singapore Airlines, Vietnam Airlines or Thai Airways as they are the most popular for this route.

What is the cheapest time of day to fly from BH9 to SAI?

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

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

Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from Brighton. On average, Siem Reap–Angkor Intl has 0 inbound flights from Brighton per day from 4 airlines. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Brighton 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.

£313+ Cheap Flights from Brighton to Siem Reap, Cambodia

Cheap flight deals from Brighton to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Brighton to Siem Reap
Explore the most affordable flight options available from Brighton to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Wed 16/911:15 -

2 stops23h 55m

Wed 14/1018:05 -

2 stops42h 50m

Deal found 4/9£538

Mon 23/1110:30 -

2 stops27h 30m

Sat 28/1122:00 -

2 stops47h 00m

Deal found 3/9£589

Wed 16/922:00 -

3 stops40h 10m

Wed 14/1021:10 -

3 stops39h 30m

Deal found 2/9£590

Tue 8/911:35 -

3 stops26h 35m

Wed 7/1021:10 -

2 stops39h 30m

Deal found 2/9£590

Thu 3/1206:00 -

2 stops29h 45m

Mon 14/1219:25 -

2 stops19h 55m

Deal found 4/9£609

Wed 9/922:00 -

2 stops40h 10m

Wed 7/1021:10 -

2 stops39h 30m

Deal found 4/9£609

Wed 9/921:20 -

2 stops40h 50m

Wed 7/1021:10 -

2 stops27h 30m

Deal found 2/9£619

Wed 25/1109:00 -

2 stops26h 45m

Sun 13/1209:55 -

2 stops18h 45m

Deal found 4/9£628

Mon 23/1119:25 -

2 stops16h 20m

Mon 30/1116:50 -

2 stops22h 15m

Deal found 3/9£632

Mon 23/1108:35 -

2 stops27h 10m

Mon 30/1116:50 -

2 stops22h 00m

Deal found 3/9£634

Tue 10/1111:30 -

2 stops39h 25m

Thu 3/1209:55 -

2 stops29h 10m

Deal found 3/9£640

Sat 21/1118:40 -

2 stops32h 15m

Mon 30/1116:50 -

2 stops22h 15m

Deal found 3/9£642

Best flights from Brighton to Siem Reap
Discover carefully curated flight deals from Brighton to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Wed 16/909:25 -

2 stops27h 30m

Tue 13/1009:40 -

2 stops28h 45m

Deal found 5/9£718

Wed 16/906:55 -

3 stops28h 15m

Fri 25/909:35 -

3 stops27h 45m

Deal found 2/9£729

Thu 17/923:55 -

2 stops39h 35m

Tue 13/1023:50 -

2 stops25h 55m

Deal found 5/9£736

Wed 16/918:55 -

1 stop16h 15m

Sat 17/1018:05 -

1 stop29h 45m

Deal found 5/9£760

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 4/9£775

Thu 1/1017:35 -

2 stops43h 20m

Wed 14/1012:55 -

2 stops33h 45m

Deal found 3/9£832

Tue 10/1110:40 -

1 stop22h 20m

Sat 5/1216:50 -

1 stop29h 30m

Deal found 3/9£884

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops31h 10m

Deal found 3/9£1,257

Wed 16/913:10 -

2 stops23h 45m

Tue 13/1009:40 -

2 stops29h 00m

Deal found 5/9£734

Thu 17/914:55 -

2 stops48h 35m

Tue 13/1023:50 -

2 stops24h 55m

Deal found 4/9£755

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1220:30 -

1 stop17h 45m

Deal found 3/9£770

Thu 14/114:15 -

3 stops24h 30m

Sun 31/116:50 -

3 stops29h 40m

Deal found 1/9£771

Thu 17/923:55 -

2 stops39h 35m

Sat 17/1023:50 -

2 stops27h 40m

Deal found 6/9£766

Thu 12/1111:00 -

1 stop26h 30m

Thu 19/1117:55 -

1 stop20h 20m

Deal found 1/9£773

Thu 14/112:15 -

3 stops26h 30m

Sat 23/123:50 -

2 stops24h 05m

Deal found 2/9£803

Wed 16/909:15 -

2 stops27h 40m

Thu 15/1009:40 -

2 stops29h 00m

Deal found 6/9£832

Wed 16/914:35 -

2 stops24h 55m

Wed 14/1012:55 -

2 stops24h 25m

Deal found 5/9£773

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1218:40 -

1 stop19h 35m

Deal found 6/9£780

Thu 14/111:35 -

3 stops27h 10m

Sun 31/110:10 -

2 stops26h 45m

Deal found 1/9£814

Mon 23/1113:30 -

2 stops22h 15m

Sun 29/1109:55 -

2 stops29h 45m

Deal found 3/9£842

Fri 18/914:55 -

2 stops24h 35m

Thu 15/1023:50 -

2 stops24h 55m

Deal found 4/9£786

Wed 16/918:55 -

1 stop16h 15m

Sun 11/1014:05 -

2 stops33h 00m

Deal found 6/9£788

Thu 1/1017:35 -

2 stops43h 20m

Wed 14/1019:35 -

2 stops27h 05m

Deal found 2/9£834

Mon 23/1109:40 -

2 stops28h 30m

Thu 26/1123:50 -

2 stops37h 50m

Deal found 3/9£790

Thu 17/910:00 -

2 stops20h 15m

Tue 13/1019:35 -

2 stops43h 15m

Deal found 5/9£1,267

Wed 20/114:05 -

2 stops24h 05m

Sun 24/113:20 -

2 stops29h 45m

Deal found 3/9£795

Wed 21/1005:40 -

3 stops27h 10m

Sat 31/1023:50 -

2 stops29h 00m

Deal found 4/9£878

Thu 14/109:15 -

2 stops26h 30m

Sat 23/109:55 -

2 stops33h 45m

Deal found 2/9£968

Mon 4/111:00 -

1 stop22h 55m

Sun 17/117:55 -

1 stop20h 20m

Deal found 2/9£906

Wed 24/214:05 -

2 stops24h 05m

Sun 28/213:20 -

2 stops29h 45m

Deal found 3/9£795

Find flight deals from Brighton to Siem Reap

Round-trip from	£589
One-way from	£313
Popular in	December
Cheapest in	July
Average price	£767

China Eastern
23/11-28/11
4 total stops
74h 30m total
Brighton to Siem Reap

Search Deals

24/9-31/12
3 total stops
30h 25m total
Brighton to Siem Reap

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 24/9

05:40-18:05

3 stops30h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£313

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Sat 26/9

18:15-17:10

3 stops40h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£316

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 24/9

13:35-19:35

3 stops48h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Tue 3/11

18:55-15:00

3 stops37h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£341

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 3/11

15:40-15:00

2 stops40h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£343

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Wed 4/11

05:00-15:00

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£344

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 24/9

22:10-17:10

2 stops37h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£348

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Fri 30/10

05:00-15:00

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£354

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 2/11

19:05-16:05

3 stops38h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£356

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sat 26/9

05:55-08:45

2 stops20h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£356

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Brighton to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Brighton with our price prediction graph.

LTN-SAI

LGW-SAI

STN-SAI

LHR-SAI

LCY-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 Brighton to Siem Reap

BH9-SAI

LTN-SAI

LGW-SAI

STN-SAI

LHR-SAI

How much does it cost for a return flight from Brighton to Siem Reap?

Airfare is below average for this route at the moment.

Brighton to Siem Reap flights typically cost between £764 and £838 in November.
The cheapest return price found within the last 5 days was £589 on China Eastern (23 Nov–28 Nov).

Reviews of airlines servicing Siem Reap

Read reviews from past customers who have flown with Singapore Airlines,Vietnam Airlines, andBritish Airways from Brighton to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,596 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Singapore Airlines

8.2

Very Good

1,596 reviews

Singapore Airlines

8.2

Very Good

1,596 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Vietnam Airlines

7.7

Good

286 reviews

Singapore Airlines

8.2

Very Good

1,596 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

British Airways

6.7

Okay

8,209 reviews

Singapore Airlines

8.2

Very Good

1,596 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Related info for your journey

What airport do you fly into for flights to Siem Reap from Brighton?
Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from Brighton. On average, Siem Reap–Angkor Intl has 0 inbound flights from Brighton per day from 4 airlines. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.
How long is the flight from Brighton to Siem Reap?
Departing from Brighton to Siem Reap will take you 16h 15m. Airlines will cover a distance of 6106 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Brighton to Siem Reap one-way?
The cheapet airlines for a one-way flight from Brighton to Siem Reap are Austrian Airlines (£376), Vietnam Airlines (£449), and Singapore Airlines (£501).
What are the most popular routes from Brighton to Siem Reap?
The most popular route from Brighton to Siem Reap is London Gatwick - Siem Reap–Angkor Intl. You may also consider London Heathrow - Siem Reap–Angkor Intl or London City - Siem Reap–Angkor Intl.
Can I find deals for flights from Brighton to Siem Reap that include hotel bookings?
Yes. In addition to deals on Brighton to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Brighton to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brighton to Siem Reap.
Can I find deals for business class flights from Brighton to Siem Reap?
Yes. Cheapflights offers flight deals from Brighton 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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Birmingham to Siem Reap flights

Luton to Siem Reap flights

Top 4 airlines flying from Brighton to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest£536	Average£683	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Vietnam Airlines	Cheapest£613	Average£810	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£660	Average£922	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£884	Average£1,016	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Brighton 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 Brighton today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Siem Reap from Brighton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Siem Reap from Brighton 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 Brighton to Siem Reap become cheaper?

Yes! Start tracking prices for Brighton to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Brighton to Siem Reap, Cambodia from £313

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Brighton to Siem Reap

Cheapest flights from Brighton to Siem ReapExplore the most affordable flight options available from Brighton to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Explore the most affordable flight options available from Brighton to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Best flights from Brighton to Siem ReapDiscover carefully curated flight deals from Brighton to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Discover carefully curated flight deals from Brighton to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Brighton to Siem ReapDiscover last-minute flight deals from Brighton to Siem Reap. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from Brighton to Siem Reap. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Brighton to Siem ReapSearch for one-way flight options from Brighton to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Search for one-way flight options from Brighton to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Find flight deals from Brighton to Siem Reap

Round-trip from

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Popular in

Cheapest in

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Cheapflights Fare Finder

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

Best time to book a flight from Brighton to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Brighton with our price prediction graph.

Cheapflights Insights

How much does it cost for a return flight from Brighton to Siem Reap?

Airfare is below average for this route at the moment.

Brighton to Siem Reap flights typically cost between £764 and £838 in November.The cheapest return price found within the last 5 days was £589 on China Eastern (23 Nov–28 Nov).

Reviews of airlines servicing Siem Reap

Related info for your journey

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

How long is the flight from Brighton to Siem Reap?

What are the cheapest airlines to fly from Brighton to Siem Reap one-way?

What are the most popular routes from Brighton to Siem Reap?

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

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

Can I find deals for business class flights from Brighton 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 Brighton 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.

Search flights from Brighton to Siem Reap by cabin class

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

Brighton and Siem Reap flights

Browse other Brighton and Siem Reap flight options. Last updated on 7 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Brighton to Siem Reap flights

Consider these flights travelling from Brighton to Siem Reap.

Top 4 airlines flying from Brighton to Siem Reap

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from Brighton to Siem Reap
Explore the most affordable flight options available from Brighton to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 September 2026.

Best flights from Brighton to Siem Reap
Discover carefully curated flight deals from Brighton to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from Brighton to Siem Reap
Discover last-minute flight deals from Brighton to Siem Reap. Data last updated 7 September 2026 and is based on user searches.

One-way flights from Brighton to Siem Reap
Search for one-way flight options from Brighton to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Brighton to Siem Reap flights typically cost between £764 and £838 in November.
The cheapest return price found within the last 5 days was £589 on China Eastern (23 Nov–28 Nov).