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Cheap flights from Brussels to Siem Reap Angkor

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Flight deals from Brussels to Siem Reap Angkor

Looking for a cheap last-minute deal or the best round-trip flight from Brussels to Siem Reap Angkor Airport? If you want to travel next month, round-trip fares start from $895. Find the lowest prices on one-way and round-trip tickets right here.
Siem Reap.$740 per passenger.Departing Thu, Oct 22, returning Sat, Nov 7.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Thu, Oct 22, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Sat, Nov 7, arriving in Brussels International.Price includes taxes and charges.From $740, select.
Siem Reap.$746 per passenger.Departing Mon, Sep 21, returning Mon, Oct 12.Round-trip flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departing from Brussels International on Mon, Sep 21, arriving in Siem Reap Angkor.Inbound indirect flight with Austrian Airlines, departing from Siem Reap Angkor on Mon, Oct 12, arriving in Brussels International.Price includes taxes and charges.From $746, select.
Siem Reap.$758 per passenger.Departing Thu, Oct 29, returning Mon, Dec 14.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Thu, Oct 29, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Mon, Dec 14, arriving in Brussels International.Price includes taxes and charges.From $758, select.
Siem Reap.$758 per passenger.Departing Mon, Nov 9, returning Mon, Nov 23.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Mon, Nov 9, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Mon, Nov 23, arriving in Brussels International.Price includes taxes and charges.From $758, select.
Siem Reap.$815 per passenger.Departing Tue, Sep 1, returning Sun, Sep 13.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Tue, Sep 1, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Sun, Sep 13, arriving in Brussels International.Price includes taxes and charges.From $815, select.
Siem Reap.$815 per passenger.Departing Thu, Oct 1, returning Sun, Oct 18.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Thu, Oct 1, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Sun, Oct 18, arriving in Brussels International.Price includes taxes and charges.From $815, select.
Siem Reap.$833 per passenger.Departing Sun, Feb 21, returning Tue, Mar 2.Round-trip flight with Thai Airways and Bangkok Airways.Outbound indirect flight with Thai Airways, departing from Brussels International on Sun, Feb 21, arriving in Siem Reap Angkor.Inbound indirect flight with Bangkok Airways, departing from Siem Reap Angkor on Tue, Mar 2, arriving in Brussels International.Price includes taxes and charges.From $833, select.
Siem Reap.$869 per passenger.Departing Sat, Dec 5, returning Wed, Dec 23.Round-trip flight with Austrian Airlines and SWISS.Outbound indirect flight with Austrian Airlines, departing from Brussels International on Sat, Dec 5, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Wed, Dec 23, arriving in Brussels International.Price includes taxes and charges.From $869, select.
Siem Reap.$872 per passenger.Departing Mon, Nov 16, returning Fri, Dec 18.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Mon, Nov 16, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Fri, Dec 18, arriving in Brussels International.Price includes taxes and charges.From $872, select.
Siem Reap.$878 per passenger.Departing Thu, Aug 27, returning Fri, Sep 4.Round-trip flight with Pegasus Airlines and Thai AirAsia.Outbound indirect flight with Pegasus Airlines, departing from Brussels S. Charleroi on Thu, Aug 27, arriving in Siem Reap Angkor.Inbound indirect flight with Thai AirAsia, departing from Siem Reap Angkor on Fri, Sep 4, arriving in Brussels International.Price includes taxes and charges.From $878, select.
Siem Reap.$888 per passenger.Departing Mon, Dec 14, returning Wed, Jan 20.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Mon, Dec 14, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Wed, Jan 20, arriving in Brussels International.Price includes taxes and charges.From $888, select.
Siem Reap.$895 per passenger.Departing Sat, Aug 22, returning Mon, Aug 31.Round-trip flight with Pegasus Airlines and Thai AirAsia.Outbound indirect flight with Pegasus Airlines, departing from Brussels S. Charleroi on Sat, Aug 22, arriving in Siem Reap Angkor.Inbound indirect flight with Thai AirAsia, departing from Siem Reap Angkor on Mon, Aug 31, arriving in Brussels International.Price includes taxes and charges.From $895, select.
Siem Reap.$916 per passenger.Departing Wed, Mar 3, returning Mon, Mar 22.Round-trip flight with Ryanair and Thai AirAsia.Outbound indirect flight with Ryanair, departing from Brussels S. Charleroi on Wed, Mar 3, arriving in Siem Reap Angkor.Inbound indirect flight with Thai AirAsia, departing from Siem Reap Angkor on Mon, Mar 22, arriving in Brussels International.Price includes taxes and charges.From $916, select.
Siem Reap.$917 per passenger.Departing Mon, Feb 1, returning Tue, Feb 9.Round-trip flight with Emirates.Outbound indirect flight with Emirates, departing from Brussels International on Mon, Feb 1, arriving in Siem Reap Angkor.Inbound indirect flight with Emirates, departing from Siem Reap Angkor on Tue, Feb 9, arriving in Brussels International.Price includes taxes and charges.From $917, select.
Siem Reap.$917 per passenger.Departing Mon, Mar 15, returning Thu, Apr 1.Round-trip flight with Emirates.Outbound indirect flight with Emirates, departing from Brussels International on Mon, Mar 15, arriving in Siem Reap Angkor.Inbound indirect flight with Emirates, departing from Siem Reap Angkor on Thu, Apr 1, arriving in Brussels International.Price includes taxes and charges.From $917, select.
Siem Reap.$935 per passenger.Departing Mon, Jan 11, returning Sun, Jan 24.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Brussels International on Mon, Jan 11, arriving in Siem Reap Angkor.Inbound indirect flight with SWISS, departing from Siem Reap Angkor on Sun, Jan 24, arriving in Brussels International.Price includes taxes and charges.From $935, select.

Find the cheapest month to fly from Brussels to Siem Reap Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Brussels to Siem Reap Angkor flights are currently cheapest in November.
Jul
from $1,145
Aug
from $895
Sep
from $815
Oct
from $815
Nov
from $758
Dec
from $869
Jan
from $935
Feb
from $917
Mar
from $916
Apr
Find prices
May
Find prices
Jun
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Brussels to Siem Reap Angkor: Alternative routes

Compare routes from Brussels to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap Angkor.

Siem Reap Angkor

41km from central Siem Reap
ClosestCheapest
from $740
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Brussels to Siem Reap: Flight information

The things to know before you go.
Cheapest flight found$740
Cheapest month to flyOctober

Finding cheap flights from Brussels to Siem Reap Angkor: Frequently asked questions

The best price we found for a round-trip flight from Brussels to Siem Reap Angkor is $740. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Brussels to Siem Reap Angkor. But we found flights with one stop from $740.
There are no flights flying from Brussels to Siem Reap Angkor, as of July 2026.
The cheapest month to fly from Brussels to Siem Reap Angkor is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Siem Reap Angkor Airport on Thursday, October 22, 2026.
No airlines currently offer direct flights between Brussels and Siem Reap Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Siem Reap Angkor is SWISS.

Traveling from Brussels to Siem Reap Angkor Airport (SAI): What you need to know

  • Siem Reap is six hours ahead of Brussels. Siem Reap Angkor Airport is located in Siem Reap, which is in the UTC+7 timezone.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your flight from Brussels to SAI.

  • Popular months like October or other busy periods mean bigger queues and potential delays. Stay on schedule by arriving at the airport even earlier. Plan for at least four hours ahead of international flights and two hours before a domestic departure.

Airports in Brussels

Brussels Airport (BRU)

  • Whether you'd like to discover another city as part of your journey or just have a break, we make it a breeze to book a flight with a stopover. To compare your options leaving from Brussels Airport (BRU), deselect 'Direct flights only.' Singapore Changi Airport (SIN) is a stop you can make when searching for cheap flights from Brussels to SAI.

  • BRU is about 13 kilometers from central Brussels. If you're ride-sharing, catching a cab or driving from the center, it'll take 25 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 20 minutes.

  • Have an early flight from Brussels to Siem Reap Angkor Airport? Avoid the last-minute rush to the terminal (and get a little more snooze time) by picking one of these hotels near Brussels Airport:

  • Of all flights departing from Brussels Airport, 72% arrive as scheduled at their destination.

Brussels South Charleroi Airport (CRL)

  • Using public transport, you can travel from central Brussels to CRL in about 1 hour 15 minutes. The terminal is roughly 56 kilometers away, and making the journey by car will take approximately 55 minutes.

  • Get a head start on your vacation with an additional night away from home. Before your Brussels to SAI flight, stay in one of these hotels close to Brussels South Charleroi Airport:

  • Brussels South Charleroi Airport has an on-time performance of 72%. This figure shows how often flights that depart from this airport arrive on schedule.

About Siem Reap Angkor Airport (SAI)

  • Once your flight from Brussels to Siem Reap Angkor Airport has landed, kick back and relax at a hotel close by. Chansor Community Homestay 18 is a convenient option that's an easy drive from SAI.

Getting from Siem Reap Angkor Airport (SAI) to central Siem Reap

  • Central Siem Reap is around 40 kilometers from Siem Reap Angkor Airport. Travel times by car rental or cab will vary depending on time of day and traffic conditions, so do a little research before your trip.

  • Traveling on public transport will take you around 25 minutes.

How to find the cheapest flights from Brussels to Siem Reap Angkor Airport (SAI)

  • $435 is the lowest price for a one-way ticket from Brussels to Siem Reap Angkor Airport. Return flights start from $740. These prices may change based on availability.

  • To pick up cheap flights from Brussels to SAI, book ahead. Airlines typically offer the most competitive fares when tickets are first released.

  • Cheap Brussels to Siem Reap Angkor Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' tool to compare fares throughout the month and then pick the cheapest day.

  • You don't need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll notify you the moment a better deal comes up on plane tickets from Brussels to SAI.

  • Tailor your trip using filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Brussels to Siem Reap Angkor Airport.

The best time to fly from Brussels to Siem Reap Angkor Airport (SAI)

  • October is the quietest month for flights from Brussels to Siem Reap Angkor Airport (SAI), while January is the busiest. Choose the ideal time to go to Siem Reap based on whether you want a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Siem Reap is March, with temperatures ranging between 22ºC (72ºF) and 38ºC (100ºF). Lock in your Brussels to SAI plane ticket then if that's your ideal forecast.

  • If you like traveling in cooler conditions, search for a cheap ticket from Brussels to Siem Reap Angkor Airport in January when temperatures are between 18ºC (64ºF) and 33ºC (91ºF).

More about Siem Reap

Explore more of Cambodia

  • Siem Reap is always a good idea, but there are so many other corners of Cambodia just waiting to be discovered. About 209 kilometers south of Siem Reap, a visit to Phnom Penh will fill your itinerary to the brim. Start with leading sights like Royal Palace, Genocide museum and Moonlight Pavilion.

  • Next stop? Journey to Ta Khmau. It's roughly 225 kilometers south of Siem Reap and is known for highlights including Statue of Ta Khmau and AV.

More travel options

Plan the rest of your trip from Brussels to Siem Reap

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.