HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vientiane

$142+ Cheap flights from Phnom Penh (PNH) to Vientiane (VTE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — VTE
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phnom Penh to Vientiane 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.

Cheapflights Tip: The best prices from Phnom Penh Pochentong to Vientiane Wattay are usually found in April or May, booked 49 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap flight deals from Phnom Penh to Vientiane

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Vientiane (VTE). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(Mytrip)

One-way from

$142
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$357

Good round-trip deal

$351 or less

Good one-way deal

$235 or less
Provider with most accurate pricing for Phnom Penh Pochentong-Vientiane Wattay flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Vientiane Wattay flights.
Search Deals
From Phnom Penh Pochentong to Vientiane Wattay
Search Deals
One-way flight from Phnom Penh Pochentong to Vientiane Wattay
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Phnom Penh Pochentong to Vientiane Wattay.
Search Deals
Price to beat on a one-way flight from Phnom Penh Pochentong to Vientiane Wattay.
Search Deals

Find flight deals from Phnom Penh to Vientiane

Cheapest flights from Phnom Penh to Vientiane
Explore the most affordable flight options available from Phnom Penh to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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.
Wed 4/237:10 pmPNH - VTE
1 stop12h 25mMultiple Airlines
Wed 4/3012:05 pmVTE - PNH
1 stop6h 10mMultiple Airlines
Deal found 3/26$273
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Sat 3/295:15 pmPNH - VTE
1 stop14h 20mThai AirAsia
Thu 4/38:10 amVTE - PNH
1 stop8h 10mThai AirAsia
Deal found 3/26$304
This Vietnam Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/135:45 pmPNH - VTE
Nonstop1h 30mVietnam Airlines
Mon 4/1411:30 amVTE - PNH
Nonstop1h 30mVietnam Airlines
Deal found 3/27$355
This Priceline deal was found by Cheapflights users on 3/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1412:10 amPNH - VTE
3 stops17h 40mChina Eastern
Tue 6/173:50 pmVTE - PNH
1 stop19h 45mChina Eastern
Deal found 3/27$531

Cheapflights Fare Finder

Customize your flight search to find flights from Phnom Penh to Vientiane 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 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Phnom Penh to Vientiane that are best for you.

Fly from

Phnom Penh

Fly to

Vientiane

Route

Depart

Return

Price

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Wed 4/23

7:10 pm-7:35 am

1 stop12h 25m

Vientiane Wattay

Wed 4/30

12:05 pm-6:15 pm

1 stop6h 10m

$273

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Sat 4/12

5:05 pm-7:35 am

1 stop14h 30m

Vientiane Wattay

Tue 4/15

8:10 am-8:55 am

1 stop24h 45m

$353

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Sun 4/13

5:45 pm-7:15 pm

Nonstop1h 30m

Vientiane Wattay

Mon 4/14

11:30 am-1:00 pm

Nonstop1h 30m

$355

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Sat 4/12

9:15 pm-7:45 pm

1 stop22h 30m

Vientiane Wattay

Tue 4/15

8:30 pm-8:50 am

1 stop12h 20m

$396

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Sat 6/14

12:10 am-5:50 pm

3 stops17h 40m

Vientiane Wattay

Tue 6/17

3:50 pm-11:35 am

1 stop19h 45m

$531

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Mon 7/7

7:10 pm-7:35 am

1 stop12h 25m

$142

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Wed 4/9

5:05 pm-7:35 am

1 stop14h 30m

$149

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Tue 5/6

5:45 pm-7:15 pm

Nonstop1h 30m

$201

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Thu 5/8

12:10 am-2:50 pm

2 stops14h 40m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Phnom Penh to Vientiane

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 Phnom Penh to Vientiane in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phnom Penh-Vientiane flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Vientiane flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Vientiane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Vientiane 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 Phnom Penh-Vientiane 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 Phnom Penh to Vientiane

Have a flexible travel schedule? Discover the best time to fly to Vientiane from Phnom Penh with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Vientiane

How far ahead should I book a flight from Phnom Penh to Vientiane?

Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to Vientiane. Price data was last updated on March 21, 2025.

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phnom Penh to Vientiane. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phnom Penh to Vientiane?

Currently, June is the cheapest month in which you can book a flight from Phnom Penh to Vientiane (average of $904). Flying from Phnom Penh to Vientiane in May is currently the most expensive (average of $1,562). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PNH to VTE?

Find hourly flight availability from Phnom Penh to Vientiane. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

One of the essential ways to save on airfare from Phnom Penh to Vientiane is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 30% on airfare.

Rainfall in Vientiane by month

Plan your trip to Vientiane by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vientiane ranges from 0.4 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Vientiane when rainfall is around 0.4 in.

Temperature in Vientiane by month

Plan your trip to Vientiane by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vientiane, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

Reviews of airlines servicing Vientiane

Get insights into the airlines that provide service to Vientiane. 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 Vientiane. Reviews last updated March 28, 2025.
Thai Airways
7.8
Good
317 reviews

Entertainment

6.9

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 17
10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight
Thai Airways
7.8
Good
317 reviews
Thai Airways
7.8
Good
317 reviews

Entertainment

6.9

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 17
10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight
Vietnam Airlines
7.6
Good
192 reviews
Thai Airways
7.8
Good
317 reviews

Entertainment

6.9

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 17
10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight
Thai AirAsia
7.5
Good
204 reviews
Thai Airways
7.8
Good
317 reviews

Entertainment

6.9

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 17
10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight
China Eastern
7.1
Good
137 reviews
Thai Airways
7.8
Good
317 reviews

Entertainment

6.9

Comfort

7.6

Boarding

7.9

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 17
10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Vientiane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Phnom Penh to Vientiane?

    If you wish to fly to Vientiane from Phnom Penh, then you need to book flights from Phnom Penh Pochentong to Vientiane Wattay. There is 1 flight from Pochentong (PNH) to Wattay (VTE) per day to choose from. Flights to Vientiane from Pochentong are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 30m is how long a nonstop flight from Phnom Penh to Vientiane Wattay typically takes.

  • How popular is this Phnom Penh to Vientiane flight route?

    This flight path from Phnom Penh Pochentong to Vientiane Wattay was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Phnom Penh to Vientiane round-trip?

    Flying on Thai AirAsia is currently your cheapest option to Vientiane, with prices starting at $353. Additional round-trip tickets that might be worth considering are offered by Vietnam Airlines and Thai Airways, with the lowest prices starting at $355 and $396, respectively.

  • What are the cheapest airlines to fly from Phnom Penh to Vientiane one-way?

    One-way options have recently been found by users for as low as $149 on Thai AirAsia. Other airlines that offer cheap prices include Vietnam Airlines from $201 and China Eastern from $337 one-way.

  • What are the most reliable airlines from Phnom Penh to Vientiane?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phnom Penh to Vientiane on time: Air France (100%), Vietnam Airlines (83%), Cambodia Angkor Air (83%).

  • What are the cheapest flights from Phnom Penh to Vientiane?

    While on average a flight from Phnom Penh to Vientiane is generally $328, our data shows the cheapest flight currently is $200. When looking at the most popular route, (Phnom Penh Pochentong - Vientiane Wattay), you can expect to pay $293 for that flight.

  • Can I find deals for flights from Phnom Penh to Vientiane that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Vientiane flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Vientiane?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Vientiane.

  • Can I find deals for business class flights from Phnom Penh to Vientiane?

    Yes. Cheapflights offers flight deals from Phnom Penh to Vientiane by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phnom Penh to Vientiane?

    Currently, June is the cheapest month in which you can book a flight from Phnom Penh to Vientiane (average of $904). Flying from Phnom Penh to Vientiane in May is currently the most expensive (average of $1,562). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

Complete your trip

Complete your trip to Vientiane by adding a car rental and/or hotel reservation to your travel itinerary.
Vientiane car rentals
Vientiane Wattay Airport car rentals
Luang Prabang car rentals

Top 4 airlines flying from Phnom Penh to Vientiane

Discover the top 4 airlines that operate flights from Phnom Penh to Vientiane. 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 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Lao AirlinesCheapest$202Average$271FlexibilityNo cancel feeOn-time83%
Thai AirAsiaCheapest$243Average$279FlexibilityNo cancel feeOn-time87%
Vietnam AirlinesCheapest$318Average$372FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$349Average$372FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.