Ancient stone ruins with a large, intact temple structure and a smaller, deteriorated tower.

£52 Cheap Flights to Siem Reap

View £52 flight on Tue, 6 Oct 2026Opens in a new window

Popular airlines to Siem Reap

  • Singapore Airlines

  • Vietnam Airlines

  • Thai Airways International

  • Bangkok Airways

  • Emirates

  • Japan Airlines

  • Vietjet Air

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Siem Reap

Prices were available within the past 7 days and start at £52 for one-way flights and £121 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cambodia Airways
Vietjet Air
Vietnam Airlines
Vietnam Airlines
Emirates
Vietjet Air
Vietjet Air
Vietnam Airlines
Thai Vietjet
Singapore Airlines

Trending flights to Siem Reap

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines

Frequently asked questions

How do I find cheap flights to Siem Reap that have flexible change policies?
We know that plans can change in the blink of an eye, so choosing a flexible ticket with Expedia is always a clever idea. Simply mark the "No change fee" box directly under the "Flexible change policies" filter. Your low-priced, flexible flight to Siem Reap is only a few clicks away.
How can I find cheap tickets to Siem Reap?
Book in advance, consider nearby airports, use points or miles — you're not short of ways! One more is to make use of Expedia's "flexible dates" feature. Search for a Siem Reap flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to Siem Reap was £121.
How much is a flight to Siem Reap?
One-way flights leaving Phnom Penh (KTI) sold for as low as £52 in the last seven days. During this period, the price of a return journey to Siem Reap ranged between £121 and £618. If you spot a bargain ticket, grab it quickly — these prices don't hang around.
When is the cheapest time to fly to Siem Reap?
Jetting off on a Tuesday, followed by a Monday, is generally the best way to score the cheapest flight. Steer clear of the weekend if you can, because Saturday is typically the most expensive day of the week. Spend the money you saved having a blast in Siem Reap instead!
How much is a plane ticket to Siem Reap?
Flights to Siem Reap varied from £121 to £618 in the last seven days. Generally, the earlier you make a reservation, the better the price.
What is the best time to go to Siem Reap?
July, September and October are the most popular months to explore Banteay Srei, one of Siem Reap's most fabulous cities. Summertime here starts June 20. Temperatures range from 24ºC to 32ºC at this time of year, so plan your travels around then if you're into warmer weather.
What months are the cheapest to book a flight to Siem Reap?
A cheap month to score an awesome deal to Siem Reap is February, whereas prices are higher in December. Steer clear of this month if you're watching your pennies.

Book with confidence

Top tips for booking flights to Siem Reap from UK

Get ready to fly to Siem Reap

Prepare your luggage and book your flights to Siem Reap with Expedia. We offer a seamless flight booking experience, with a wide range of Siem Reap plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Siem Reap in 2026, we are always available to assist you. Book your flights to Siem Reap today and let the adventure begin!

Find the best tickets to Siem Reap

To find some of the best tickets to Siem Reap in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Siem Reap or last-minute flights to Siem Reap, you can filter and sort your search results, making it easy to find the ideal flight to Siem Reap.

Airlines fly to Siem Reap

There are 20 different airlines that fly to Siem Reap including some of the most trusted names in the business. To book flights to Siem Reap with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Siem Reap plane tickets.

Find the cheapest flights to Siem Reap

By booking early you may find some of the best deals for Siem Reap flights from the UK, including Siem Reap direct flights. You can usually find affordable and cheap flights to Siem Reap, whether one-way from £52 or round-trip from £121, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Siem Reap

Try searching for different Siem Reap airports with Expedia to find some of the cheapest flights to Siem Reap. Flights from Phnom Penh (KTI) to Siem Reap (SAI) usually have the lowest price from £52.

Why book your flights to Siem Reap with Expedia

Expedia offers great deals on Siem Reap air fares from £52 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Siem Reap from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Siem Reap from UK

Travel information

Siem Reap Flights Information

Airlines serving
Cambodia Airways, Air Cambodia, Vietjet Air, Vietnam Airlines, Hahn Air Systems, Thai Airways International, FlexFlight, Emirates, Thai Vietjet, Singapore Airlines
Roundtrip price
from £121
Siem Reap Flights Information
*Available to Expedia members.