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Flights from Phnom Penh to Vientiane

Cheapest airlines flights from Phnom Penh to Vientiane

You can choose from 10 airlines that fly from Phnom Penh to Vientiane, including Vietnam Airlines, Cambodia Airways, and Air Cambodia. Cambodia Airways has lowest fares on this route.
Vietnam Airlines logo Vietnam Airlines
Cambodia Airways logo Cambodia Airways
Air Cambodia logo Air Cambodia
Bangkok Airways logo Bangkok Airways
Thai AirAsia logo Thai AirAsia
Thai Vietjet Air logo Thai Vietjet Air
Qatar Airways logo Qatar Airways
Lao Airlines logo Lao Airlines
Thai Airways logo Thai Airways
VietJet Air logo VietJet Air
Airlines are determined based on actual purchased flight tickets from Phnom Penh to Vientiane according to previous 12 months data from Trip.com.

Search for direct flights from Phnom Penh to Vientiane in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$191, and round-trip direct flights start at US$330.

Displayed flight fares from Phnom Penh to Vientiane are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Phnom Penh to Vientiane Flight Details

The distance between Phnom Penh and Vientiane is about 757.05 km. The average flying time from Phnom Penh to Vientiane is around 1 hour 47 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is October.

Cheapest one-way flight priceUS$151
Cheapest return ticket priceUS$286
Cheapest monthOctober
Peak season for travelJanuary
Flight distance757.05 km
Average flight time1 hour 47 minutes
Popular airlineVietnam Airlines
Flight statistics for the Phnom Penh–Vientiane route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Phnom Penh to Vientiane (KTI-VTE)?

    Based on Trip.com data, Air Cambodia offers one-way fares as low as US$151 on Cheapest nonstop routes (e.g. KTI to VTE on Wed, Jun 10), while Thai AirAsia offers Cheapest nonstop round-trips from US$286 departing on Sun, Apr 26 and returning on Tue, Apr 28.
  • At the moment, you can catch a nonstop flight from Phnom Penh to Vientiane with the following airlines, including: Vietnam Airlines Cambodia Airways Air Cambodia Bangkok Airways Thai AirAsia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 47 minutes to fly from Phnom Penh to Vientiane.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phnom Penh to Vientiane is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 10 flight per week flying from Phnom Penh to Vientiane. You can check the weekly schedule for popular airlines on this route below: Vietnam Airlines: S/M/T/W/T/F/S -- VN920 (17:46) Cambodia Airways: -/M/-/W/-/-/S -- KR765 (14:29) Air Cambodia: S/M/T/W/T/F/S -- K63920 (17:46)
  • To find best deals on flights from Phnom Penh to Vientiane, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 10, with one-way flights priced at just US$151.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cambodia Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Vientiane travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Phnom Penh to Vientiane is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Phnom Penh to Vientiane on April 27, 2026 with Thai AirAsia, with prices starting at US$148.
  • You can land at any one of the following hubs in Vientiane, with Techo International Airport to Wattay International Airport (KTI-VTE) is by far the most common option on this route: Wattay International Airport (VTE).
  • The time difference between Vientiane and Phnom Penh is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Phnom Penh to Vientiane

Which airline offers the cheapest direct flights from Phnom Penh to Vientiane?

Data is based on the average price of all nonstop flights from Phnom Penh to Vientiane on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Cambodia Airways provides the lowest-priced direct flights from Phnom Penh to Vientiane, with fares starting at US$240.

US$220
US$240
US$260
US$280
US$300
Cambodia Airways
US$240
Cambodia Airways
Vietnam Airlines
US$265
Vietnam Airlines
Air Cambodia
US$300
Air Cambodia

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.