$184+ Cheap flights from Vientiane (VTE) to Siem Reap, Cambodia (SAI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
VTE — SAI
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Vientiane to Siem Reap with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Vientiane to Siem Reap
Cheapest
Best
Last-minute
One-way
Cheapest flights from Vientiane to Siem ReapExplore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
1 stop21h 05m
Tue 11/38:30 pm -
1 stop14h 10m
Deal found 9/12![Vietnam Airlines logo]()
$402
This Vietnam Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:25 am -
3 stops32h 15m
Tue 1/128:30 pm -
3 stops46h 35m
Deal found 9/13![Vietnam Airlines logo]()
$487
Best flights from Vientiane to Siem ReapDiscover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
1 stop21h 05m
Tue 11/38:30 pm -
1 stop14h 10m
Deal found 9/12![Vietnam Airlines logo]()
$402
This Vietnam Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:25 am -
3 stops32h 15m
Tue 1/128:30 pm -
3 stops46h 35m
Deal found 9/13![Vietnam Airlines logo]()
$487
Last-minute flights from Vientiane to Siem ReapDiscover last-minute flight deals from Vientiane to Siem Reap. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Vientiane to Siem Reap. Data last updated September 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
1 stop21h 05m
Tue 11/38:30 pm -
1 stop14h 10m
Deal found 9/12![Vietnam Airlines logo]()
$402
One-way flights from Vientiane to Siem ReapSearch for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:10 pm -
2 stops22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:10 pm -
2 stops22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:50 pm -
1 stop21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Thai AirAsia logo]()
$195
This Vietnam Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:20 am -
2 stops7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Vietnam Airlines logo]()
$209
This Booking.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 am -
3 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Vietnam Airlines logo]()
$223
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:20 am -
3 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Vietnam Airlines logo]()
$242
This Vietnam Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1111:25 am -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Vietnam Airlines logo]()
$245
This VietJet Air deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:45 pm -
2 stops47h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![VietJet Air logo]()
$269
This Vietnam Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2911:25 am -
3 stops53h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Vietnam Airlines logo]()
$346
This Vietnam Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:25 am -
3 stops29h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Vietnam Airlines logo]()
$353
Find flight deals from Vientiane to Siem Reap
Discover tips and strategies to find the most affordable flight options for your journey from Vientiane (VTE) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (Mytrip) |
One-way from | $184 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Vientiane 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, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Vientiane to Siem Reap that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Sun 10/11
7:10 pm-5:10 pm
2 stops22h 00m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$187
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Sat 9/26
1:50 pm-11:10 am
1 stop21h 20m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
Quickest round-trip
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Sat 10/3
11:20 am-6:20 pm
2 stops7h 00m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Sun 10/11
11:20 am-5:10 pm
3 stops29h 50m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$242
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Mon 1/11
11:25 am-8:30 pm
2 stops9h 05m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$245
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Sun 11/1
6:45 pm-6:05 pm
2 stops47h 20m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Tue 12/29
11:25 am-4:55 pm
3 stops53h 30m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$346
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Thu 12/31
11:25 am-4:55 pm
3 stops29h 30m
Siem Reap–Angkor Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$353
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Tue 10/27
7:50 pm-4:55 pm
1 stop21h 05m
Siem Reap–Angkor Intl
Tue 11/3
8:30 pm-10:40 am
1 stop14h 10m
$402
VientianeSiem Reap
VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl
VTESAI
Vientiane Wattay
Fri 11/6
11:25 am-7:40 pm
3 stops32h 15m
Siem Reap–Angkor Intl
Tue 1/12
8:30 pm-7:05 pm
3 stops46h 35m
$487
Sorted by cheapest first
Compare providers for flights from Vientiane to Siem Reap
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Vientiane to Siem Reap in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Vientiane-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Vientiane-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Vientiane-Siem Reap flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Vientiane-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Vientiane-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Vientiane to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Vientiane with our price prediction graph.
VTE-SAI
Estimated round-trip 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.
Related info for your journey
Find useful and relevant information for your journey from Vientiane to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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