Cheap flights from Incheon Intl Airport to Vientiane from $151

If you aren’t able to travel during the month of December, then book flights to Vientiane from Incheon Intl Airport during March instead. Flights to Vientiane in March, while not as cheap as those in December, still average around $285.

Our data shows that Saturday is the least expensive day to fly to Vientiane. Tickets to fly out on this day can be as low as $309. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Incheon Intl Airport to Vientiane for around $609.

Our most recent data shows that the best time of day to fly to Vientiane is in the evening. Flights from Incheon Intl Airport to Vientiane during this time can be as low as $359. In contrast, the most expensive time of day to depart to Vientiane is in the morning when prices are around $504.

Fly from Incheon Intl to Vientiane Wattay for the best Incheon Intl - Vientiane Wattay flight prices

You are more likely to see cheaper flights to Vientiane from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Vientiane for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vientiane from Incheon Intl Airport for as low as $299 on momondo.

There are 2 cabin classes available to choose from on Incheon Intl Airport to Vientiane flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 16% on your flight if you consider stops on a Incheon Intl Airport to Vientiane flight.

As of October 2026, prices for Incheon Intl Airport to Vientiane flights are approximately 11% cheaper when compared to flights at the same time last year.

China Eastern and Lao Airlines are the most popular carriers operating from Incheon Intl to Vientiane Wattay

Lao Airlines, Jeju Air and Trinity Airways (Formerly T'way Air) are the top three most popular airlines that fly to Vientiane from Incheon Intl Airport according to our data. Lao Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Vientiane. Keep in mind that there are 3 different airlines that fly to Vientiane on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Incheon and Vientiane have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Trinity Airways (Formerly T'way Air) have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

As of October 2026, there are 1 flights per day flying from Incheon Intl Airport to Vientiane. The most common time of day flights depart is 8:00PM, with 58% of flights taking off in the evening.

As of October 2026, there are 12 flights per week flying from Incheon Intl Airport to Vientiane. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.