Your next trip, last seen at €303
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €303, departing 9 Feb 2027 (Last checked: 27 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 3Check live prices for this route
- Airlines seen
- Air China, Air India, AirAsia, Batik Air Malaysia, Buddha Air, China Eastern, Hahn Air, Lao Airlines, Nepal Airlines, Sichuan Airlines, SriLankan Airlines, Thai AirAsia X, Thai Airways (13)
- Typical journey time
- 15h 45m
About this route
Explore the fares we observed from Kathmandu to Vientiane. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,075 km
- Typical journey time
- 15h 45m
- Seen on fares with a connection
- Air India, China Eastern, Thai Airways, Batik Air Malaysia, Nepal Airlines, Lao Airlines, Sichuan Airlines, Air China, Hahn Air, Thai AirAsia X (10)
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- Tribhuvan International Airport (KTM) → Kathmandu, city gazetteer reference point (27.7172, 85.3240): ≈ 4 km.
- Wattay International Airport (VTE) → Vientiane, city gazetteer reference point (17.9757, 102.6331): ≈ 7 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Kathmandu to Vientiane?
The lowest fare Routavio has observed is €303, found on 27 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Kathmandu to Vientiane?
In our observations February 2027 is the cheapest month so far, at €303.
Are there direct flights from Kathmandu to Vientiane?
Our data holds no non-stop flight from Kathmandu to Vientiane. The fares on this page include at least one stop.
Which airlines fly from Kathmandu to Vientiane?
Routavio has seen these carriers on the route: Air China, Air India, AirAsia, Batik Air Malaysia, Buddha Air, China Eastern, Hahn Air, Lao Airlines, Nepal Airlines, Sichuan Airlines, SriLankan Airlines, Thai AirAsia X, Thai Airways (13).
How long does the flight from Kathmandu to Vientiane take?
Across the 83 fares Routavio observed, the average journey time is 17h 26m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Kathmandu to Vientiane fares were non-stop?
None of the 86 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 27 Oct 2026