How popular is this Phnom Penh to Vientiane flight route?

Within the past month, 25 users have taken a look at flights from Phnom Penh Techo Intl to Vientiane Wattay.

How long is the flight from Phnom Penh to Vientiane?

Vietnam Airlines can get you from Phnom Penh to Vientiane in just under 1h 35m. Your travel time will be generally consistent. Airlines will cover a distance of 484 mi. Generally, flights for this route are direct.

Weekly flight availability from Phnom Penh to Vientiane

The most flights from KTI to VTE are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Vientiane ranges from 10.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Vientiane when rainfall is around 10.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 22.0 C).

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

Before booking your flight to Vientiane from Phnom Penh, check out the most reliable airlines to get you to your destination on time: Cambodia Airways (100%), Vietnam Airlines (83%), Cambodia Angkor Air( 83%).

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 holiday 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.

£141+ Cheap Flights from Phnom Penh to Vientiane

Cheap flight deals from Phnom Penh to Vientiane

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 10 October 2026.

Thu 15/1017:45 -

Nonstop1h 50m

Sat 17/1011:20 -

Nonstop1h 40m

Deal found 6/10£291

Fri 6/1117:30 -

Nonstop1h 35m

Mon 9/1111:25 -

Nonstop1h 35m

Deal found 8/10£292

Thu 29/1017:30 -

Nonstop1h 35m

Tue 24/1111:25 -

Nonstop1h 35m

Deal found 5/10£294

Sun 18/1017:45 -

Nonstop1h 50m

Sun 1/1119:50 -

1 stop23h 15m

Deal found 8/10£333

Thu 5/1117:30 -

Nonstop1h 35m

Fri 13/1111:25 -

Nonstop1h 35m

Deal found 8/10£348

Sat 31/1013:50 -

2 stops44h 50m

Fri 20/1111:25 -

Nonstop1h 35m

Deal found 5/10£388

Fri 30/1013:50 -

2 stops20h 50m

Mon 23/1111:25 -

Nonstop1h 35m

Deal found 5/10£392

Thu 29/1013:50 -

2 stops44h 50m

Thu 26/1111:25 -

Nonstop1h 35m

Deal found 5/10£403

Find flight deals from Phnom Penh to Vientiane

Round-trip from	£291
One-way from	£141
Popular in	October
Cheapest in	August
Average price	£316

Vietnam Airlines
4/12-6/12
Nonstop
3h 10m total
Phnom Penh to Vientiane

Search Deals

Thai AirAsia
10/3-31/12
1 total stop
16h 30m total
Phnom Penh to Vientiane

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£12 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Fri 5/3

22:10-11:15

1 stop13h 05m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£166

Fastest return journey

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Mon 15/2

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Thu 10/12

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Sun 14/2

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Sun 6/12

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Thu 18/2

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Tue 8/12

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£173

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Thu 28/1

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£190

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Sat 20/2

17:30-19:05

Nonstop1h 35m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£192

Phnom PenhVientiane

KTI Phnom Penh Techo Intl - VTE Vientiane Wattay

KTIVTE

Phnom Penh Techo Intl

Wed 17/2

13:50-10:40

2 stops20h 50m

Vientiane Wattay

Wed 31/12

00:00-00:00

Nonstop0h 00m

£227

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 22 resultsSorted by cheapest first

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.

KTI-VTE

Estimated return 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

Prices

Airlines

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

Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Vientiane (average of £254). Flying from Phnom Penh to Vientiane in October is currently the most expensive (average of £316). 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 KTI to VTE?

When flying from Phnom Penh to Vientiane, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Phnom Penh to Vientiane?

Airfare is below average for this route at the moment.

Phnom Penh to Vientiane flights typically cost between £309 and £319 in December.
The cheapest return price found within the last 5 days was £291 on Vietnam Airlines (4 Dec–6 Dec).

Related info for your journey

How popular is this Phnom Penh to Vientiane flight route?
Within the past month, 25 users have taken a look at flights from Phnom Penh Techo Intl to Vientiane Wattay.
How long is the flight from Phnom Penh to Vientiane?
Vietnam Airlines can get you from Phnom Penh to Vientiane in just under 1h 35m. Your travel time will be generally consistent. Airlines will cover a distance of 484 mi. Generally, flights for this route are direct.
What are the most reliable airlines from Phnom Penh to Vientiane?
Before booking your flight to Vientiane from Phnom Penh, check out the most reliable airlines to get you to your destination on time: Cambodia Airways (100%), Vietnam Airlines (83%), Cambodia Angkor Air( 83%).
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 holiday 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, August is the cheapest month in which you can book a flight from Phnom Penh to Vientiane (average of £254). Flying from Phnom Penh to Vientiane in October is currently the most expensive (average of £316). 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

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Vientiane flight routes

Complete your trip

Vientiane car hire

Vientiane Wattay Airport car hire

Luang Prabang car hire

Pakse car hire

Fly with Cheapflights

How does Cheapflights help users find flights from Phnom Penh to Vientiane?

Deals for Phnom Penh to Vientiane flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Vientiane?

Cheapflights helps you find that perfect flight to Vientiane from Phnom Penh by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Phnom Penh to Vientiane with no change fees?

Yes, we can. To see specific flights from Phnom Penh to Vientiane with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Phnom Penh to Vientiane become cheaper?

Yes! Start tracking prices for Phnom Penh to Vientiane flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.

Cheap flights from Phnom Penh to Vientiane from £141

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Phnom Penh to Vientiane

Cheapest flights from Phnom Penh to VientianeExplore 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 10 October 2026.

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 10 October 2026.

Best flights from Phnom Penh to VientianeDiscover carefully curated flight deals from Phnom Penh to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from Phnom Penh to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Direct flights from Phnom Penh to VientianeExplore direct flight options from Phnom Penh to Vientiane based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Explore direct flight options from Phnom Penh to Vientiane based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Last-minute flights from Phnom Penh to VientianeDiscover last-minute flight deals from Phnom Penh to Vientiane. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Phnom Penh to Vientiane. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Phnom Penh to VientianeSearch for one-way flight options from Phnom Penh to Vientiane. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Phnom Penh to Vientiane. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from Phnom Penh to Vientiane

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Vientiane that are best for you.

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.

Cheapflights Insights

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

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

When flying from Phnom Penh to Vientiane, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Phnom Penh to Vientiane?

Airfare is below average for this route at the moment.

Phnom Penh to Vientiane flights typically cost between £309 and £319 in December.The cheapest return price found within the last 5 days was £291 on Vietnam Airlines (4 Dec–6 Dec).

Weekly flight availability from Phnom Penh to Vientiane

The most flights from KTI to VTE are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

How popular is this Phnom Penh to Vientiane flight route?

How long is the flight from Phnom Penh to Vientiane?

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

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

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

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

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

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 hire and/or hotel booking to your travel itinerary.

Search flights from Phnom Penh to Vientiane by cabin class

Find flights from Phnom Penh to Vientiane, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Phnom Penh and Vientiane flights

Browse other Phnom Penh and Vientiane flight options. Last updated on 10 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Vientiane

Explore flights to Vientiane departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2026.

Fly with Cheapflights

How does Cheapflights help users find flights from Phnom Penh to Vientiane?

Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Vientiane?

Can Cheapflights find flights from Phnom Penh to Vientiane with no change fees?

Can Cheapflights notify me if prices for flights from Phnom Penh to Vientiane become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 10 October 2026.

Best flights from Phnom Penh to Vientiane
Discover carefully curated flight deals from Phnom Penh to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Direct flights from Phnom Penh to Vientiane
Explore direct flight options from Phnom Penh to Vientiane based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Last-minute flights from Phnom Penh to Vientiane
Discover last-minute flight deals from Phnom Penh to Vientiane. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Phnom Penh to Vientiane
Search for one-way flight options from Phnom Penh to Vientiane. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Phnom Penh to Vientiane flights typically cost between £309 and £319 in December.
The cheapest return price found within the last 5 days was £291 on Vietnam Airlines (4 Dec–6 Dec).