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Only AirAsia operates flights between Kuala Lumpur Intl Airport and Vientiane.

Flights from Kuala Lumpur Intl Airport to Vientiane usually depart from Kuala Lumpur Intl (KUL) and arrive at Vientiane Wattay (VTE).

Here are some options for this route, based on selected ticket types and cabin classes:

• AirAsia: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Kuala Lumpur Intl Airport to Vientiane.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $216 round-trip, compared to $266 via a layover through Ho Chi Minh City (SGN).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $22–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A320-100/200 family is used most often on this route, operated mainly by AirAsia. Other aircraft seen on the route include Airbus A320neo variants.

One-stop flights from Kuala Lumpur Intl Airport to Vientiane most commonly connect through:

• Ho Chi Minh City (SGN) - 33% of one-stop connections
• Bangkok Don Mueang Intl (DMK) - 31% of one-stop connections
• Singapore Changi (SIN) - 28% of one-stop connections
• Bangkok Suvarnabhumi (BKK) - 8% of one-stop connections

Ho Chi Minh City (SGN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 50% on the Kuala Lumpur Intl Airport to Vientiane route. Thursday is the cheapest departure day at $206 round-trip on average, while Friday is the most expensive at $408, a difference of $202. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Kuala Lumpur Intl Airport to Vientiane route, 10% of flights were delayed in the past 3 months, with delays averaging 1 hour 48 minutes.

These are the earliest and latest flight times available from Kuala Lumpur Intl Airport to Vientiane:

• Earliest: departs at 7:10 am and lands at 9:50 am
• Latest: departs at 7:10 am and lands at 9:50 am.

The flight takes about 2h 40m.

Last-minute fares on this route - booked within 2 weeks of departure - run 31% above the route average of $233. Book 20 weeks before departure for the lowest fares.

A nonstop flight from Kuala Lumpur Intl Airport to Vientiane takes 2h 40m, covering 1,055 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $181 to $1,050. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Kuala Lumpur Intl Airport to Vientiane are currently lower than usual. Average one-way flight prices are about $93, which is 30% below the typical average for this route.

AirAsia is the only airline operating Kuala Lumpur Intl Airport to Vientiane flights. 90% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 6h 19m, compared with 6h 23m via Bangkok Don Mueang Intl (DMK) and 6h 46m via Singapore Changi (SIN).

Vientiane is 1 hour behind Kuala Lumpur Intl Airport (Indochina Time vs Malaysia Time). Plan for the time shift when scheduling connections or first-day activities.

Round-trip flights from Kuala Lumpur Intl Airport to Vientiane range from $196 to $280, with an average of $233 over the past 12 months. Anything below $196 counts as a good deal.