Cheap flights from Incheon Intl Airport to Vientiane from $111

If you aren’t able to travel during the month of March, then book flights to Vientiane from Incheon Intl Airport during February instead. Flights to Vientiane in February, while not as cheap as those in March, still average around $267.

Our data shows that Tuesday is the least expensive day to fly to Vientiane. Tickets to fly out on this day can be as low as $308. 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 $625.

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 $336. In contrast, the most expensive time of day to depart to Vientiane is in the morning when prices are around $474.

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 $343 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 $296 on momondo.

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

No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to Vientiane.

As of February 2026, prices for Incheon Intl Airport to Vientiane flights are approximately 28% cheaper when compared to flights at the same time last year.

VietJet Air and Jeju Air are the most popular carriers operating from Incheon Intl to Vientiane Wattay

Jeju Air, Lao Airlines and T'way Air are the top three most popular airlines that fly to Vientiane from Incheon Intl Airport according to our data. Jeju Air is the first choice among our users, with 43% 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 26% 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 105 minutes.

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

Sunday 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, T'way Air have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

As of February 2026, there are 3 flights per day flying from Incheon Intl Airport to Vientiane. The most common time of day flights depart is 8:00PM, with 70% of flights taking off in the evening.

As of February 2026, there are 21 flights per week flying from Incheon Intl Airport to Vientiane. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.