> > > >
Cheap Flights from Phnom Penh to Vientiane

Popular airlines from Phnom Penh to Vientiane

You can choose from 2 airlines that fly from Phnom Penh to Vientiane, including Vietnam Airlines, Cambodia Airways, Vietnam Airlines offers the lowest prices on this route.
Vietnam Airlines logo Vietnam Airlines
Cambodia Airways logo Cambodia Airways
Airlines are determined based on actual purchased flight tickets from Phnom Penh to Vientiane according to previous 12 months data from Trip.com.

Explore the cheapest flights from Phnom Penh to Vientiane in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 265, and round-trip direct tickets start at S$ 456.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Phnom Penh to Vientiane

The distance between Phnom Penh and Vientiane is approximately 757.05km. It takes around 1 hour 47 minutes on average to fly from Phnom Penh to Vientiane. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceS$ 203
Cheapest return ticket priceS$ 436
Off-season for travelOctober
Peak season for travelJanuary
Flight distance757.05km
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

  • Which airlines offer the cheapest flights from Phnom Penh (KTI) to Vientiane (VTE)?

    Based on Trip.com data, Thai AirAsia offers one-way fares as low as S$ 203 on Cheapest nonstop routes (e.g. KTI to VTE on Fri, Jul 31), while Thai AirAsia offers Cheapest nonstop round-trips from S$ 436 departing on Tue, Jun 16 and returning on Sat, Jun 20.
  • At the moment, you can catch a direct flight from Phnom Penh to Vientiane with the following airlines, including: Vietnam Airlines Cambodia Airways 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 (KTI) to Vientiane (VTE).
  • 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 9 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 (17:55)
  • 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 Fri, Jul 31, with one-way flights priced at just S$ 203.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Vietnam Airlines.
    · 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 June flight calendar, it's currently cheapest to fly from Phnom Penh to Vientiane on June 12, 2026 with Sky Angkor Airlines, with prices starting at S$ 218.
  • 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 cancelled 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.

Note: Prices shown on this page are the lowest estimated 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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.