Vientiane to Khon Kaen Flights from US$95 incl. tax

Based on HopeGoo data, Thai AirAsia offers one-way fares as low as US$100 on Cheapest nonstop routes (e.g. VTE to KKC on Tue, Feb 17), while Lao Airlines offers Cheapest nonstop round-trips from US$219 departing on Thu, Mar 5 and returning on Sat, Mar 7.

At the moment, you can catch a nonstop flight from Vientiane to Khon Kaen with the following airlines, including: Thai AirAsia Thai Vietjet Air Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Vientiane to Khon Kaen 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.

To find best deals on flights from Vientiane to Khon Kaen, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Feb 17, with one-way flights priced at just US$100. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Khon Kaen travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Vientiane to Khon Kaen is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Vientiane to Khon Kaen on February 17, 2026 with Thai AirAsia, with prices starting at US$100.

You can land at any one of the following hubs in Khon Kaen, with Wattay International Airport to Khon Kaen Airport (VTE-KKC) is by far the most common option on this route: Khon Kaen Airport (KKC).

The time difference between Khon Kaen and Vientiane 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 HopeGoo, 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.