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Vientiane

$177+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — VTE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Phnom Penh Pochentong to Vientiane Wattay are usually found in August or May, booked 88 days in advance, depart on a Saturday or Monday 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 September 11, 2025.

Popular in

January

Cheapest in

August

Average price

$364

Good round-trip deal

$279 or less

Good one-way deal

$153 or less
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Phnom Penh Pochentong to Vientiane Wattay.
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Price to beat on a one-way flight from Phnom Penh Pochentong to Vientiane Wattay.
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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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/8. 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.
Mon 10/68:30 amPNH - VTE
3 stops37h 20mMultiple Airlines
Thu 10/91:45 pmVTE - PNH
3 stops41h 10mMultiple Airlines
Deal found 9/8$1,444
This Mytrip deal was found by Cheapflights users on 9/9. 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 10/78:30 amPNH - VTE
3 stops37h 20mMultiple Airlines
Tue 10/149:20 amVTE - PNH
3 stops45h 35mMultiple Airlines
Deal found 9/9$1,519

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 September 11, 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

Mon 10/6

8:30 am-9:50 pm

3 stops37h 20m

Vientiane Wattay

Thu 10/9

1:45 pm-6:55 am

3 stops41h 10m

$1,444

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Tue 10/7

8:30 am-9:50 pm

3 stops37h 20m

Vientiane Wattay

Tue 10/14

9:20 am-6:55 am

3 stops45h 35m

$1,519

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Thu 9/25

1:55 pm-9:50 pm

1 stop7h 55m

$177

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Wed 10/1

1:55 pm-9:50 pm

1 stop7h 55m

$243

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Fri 10/3

1:55 pm-9:50 pm

1 stop7h 55m

$243

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Thu 10/9

1:55 pm-9:50 pm

1 stop7h 55m

$243

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Thu 10/2

1:55 pm-9:50 pm

1 stop7h 55m

$243

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Sun 9/21

1:55 pm-9:50 pm

1 stop7h 55m

$247

Phnom PenhVientiane

PNH - VTE

PNHVTE

Phnom Penh Pochentong

Wed 10/15

1:55 pm-7:00 pm

2 stops29h 05m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

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 August 29, 2025.

Booking 87 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, September is the cheapest month in which you can book a flight from Phnom Penh to Vientiane (average of $887). Flying from Phnom Penh to Vientiane in May is currently the most expensive (average of $1,431). 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 September 11, 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 in the morning tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Thai Airways, Vietnam Airlines, and Thai AirAsia from Phnom Penh to Vientiane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
350 reviews

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Crew

8.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
350 reviews
Thai Airways
7.8
Good
350 reviews

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Crew

8.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Vietnam Airlines
7.6
Good
201 reviews
Thai Airways
7.8
Good
350 reviews

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Crew

8.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai AirAsia
7.5
Good
216 reviews
Thai Airways
7.8
Good
350 reviews

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Crew

8.3

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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.

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

    This flight path from Phnom Penh Pochentong to Vientiane Wattay was viewed by 20 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 $271. Additional round-trip tickets that might be worth considering are offered by Vietnam Airlines and Thai Airways, with the lowest prices starting at $336 and $360, respectively. Users have found that Thai AirAsia is 25% cheaper than the other options available to this destination.

  • 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 (56%), Cambodia Angkor Air (56%).

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

    While on average a flight from Phnom Penh to Vientiane is generally $271, our data shows the cheapest flight currently is $160. When looking at the most popular route, (Phnom Penh Pochentong - Vientiane Wattay), you can expect to pay $630 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, September is the cheapest month in which you can book a flight from Phnom Penh to Vientiane (average of $887). Flying from Phnom Penh to Vientiane in May is currently the most expensive (average of $1,431). 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

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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 3 airlines flying from Phnom Penh to Vientiane

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$271Average$298FlexibilityNo cancel feeOn-time87%
Vietnam AirlinesCheapest$336Average$374FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$360Average$374FlexibilityNo cancel feeOn-time77%

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