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Cheap flights from Brighton to Siem Reap, Cambodia

LHR — SAI
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Brighton to Siem Reap

Keep the following information in mind while searching for Brighton to Siem Reap flight deals. Data was last updated 17 September 2025.

Popular in

December

Cheapest in

September

Average price

£677
Highest demand for flights based on searches. 6% potential increase in price (£39 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Cheapflights Insights

Everything you need to know about your flight from Brighton to Siem Reap

How far ahead should I book a flight from Brighton to Siem Reap?

Use this chart to determine the optimal time to book a return flight from Brighton to Siem Reap. Price data was last updated on 12 September 2025.

The price you pay for your flight from Brighton to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 17 September 2025.
Read reviews from past customers who have flown with Singapore Airlines, Thai Airways, andVietnam Airlines 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
8.1
Very Good
1,365 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,365 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Thai Airways
7.8
Good
350 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Vietnam Airlines
7.6
Good
201 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
British Airways
6.7
Okay
7,363 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Brighton 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 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.

See more FAQs

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Top 4 airlines flying from Brighton to Siem Reap

Discover the top 4 airlines that operate flights from Brighton to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest£622Average£705FlexibilityNo cancel feeOn-time81%
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Singapore AirlinesCheapest£627Average£770FlexibilityNo cancel feeOn-time81%
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LufthansaCheapest£722Average£757FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Thai AirwaysCheapest£810Average£932FlexibilityNo cancel feeOn-time77%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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