Chiang Mai to Vientiane flight

Flights from Chiang Mai to Vientiane start at €52.64 and take 4h 50m at their fastest.

ThailandLaosVietnamBagoBagoLampangLampangUdon ThaniUdon ThaniThakhekThakhekChiang RaiChiang RaiSakon NakhonSakon NakhonPhitsanulokPhitsanulokUttaraditUttaraditLuang PrabangLuang PrabangKayanKayanPhraePhraeMuang PhonsavanMuang PhonsavanSukhothai ThaniSukhothai ThaniLoeiLoeiNong Bua LamphuNong Bua LamphuVang ViengVang ViengChiang MaiChiang MaiVientianeVientianeMap data: Natural Earth, GeoNames (CC BY 4.0)Map data: Natural Earth, GeoNames (CC BY 4.0)

The Flights from Chiang Mai to Vientiane starts at €52.64 and takes 4h 50m door to door, run by 3 operators over 517 km, with around 2 departures a day. Fares bottom out about 90 days before departure.

Checked 23 September 2026Priced for 12 October 2026One passenger, all fees included

  • 4h 50mDoor to door
  • 1h 37mMoving
  • €67.99 to €171.83From
  • 07:30 to 07:30First and last departure
  • 2Per day
  • 109.3 kgCO2

First and last are taken from the services we sell on 12 October 2026. The return direction keeps its own timetable and is not these times reversed.

€67.99 to €171.83 for one passenger across the 14 departure dates priced here. The low end is one day, not every day. Typical for this corridor. The operator sets the price on the day.

Where to buy this flight

We take the payment for this one, so the booking finishes here and you never leave.

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Fares by date

What this journey usually costs, by departure date. It shows which days run dearer.

Typical fares

  1. about €171.83Thu24
  2. about €132.89Fri25
  3. about €137.61Sat26
  4. about €105.75Sun27
  5. about €82.15Mon28
  6. about €89.82Tue29
  7. about €82.15Wed30
  8. about €79.20Thu1
  9. about €74.48Fri2
  10. about €79.79Sat3
  11. about €83.92Sun4
  12. about €73.89Mon5
  13. about €67.99Tue6
  14. about €69.17Wed7

Based on what this route has cost recently. The live fare is confirmed when you book.

Real services

The cheapest and the fastest on 12 October 2026

Cheapest€52.64
  1. Nok Air NA709807:301h08:30Chiang Mai International Airport CNXUdon Thani International Airport UTH
  2. การรถไฟแห่งประเทศไทย S-914509:4637m10:23Udon Thani Railway StationVientiane Railway Station

Changes at Udon Thani, with 76 minutes between services and a walk of about 14 minutes.

Door to door 4h 50mCO2 95.0 kgChanges 1Fixed, no changes

Carriers

Airlines

Every operator we sell on this corridor. Speed is the carrier's own typical cruising speed, not the average over this route.
OperatorTypical speedFlexibilityOn board
Nok Air740 km/hFixed fareNot published
การรถไฟแห่งประเทศไทย140 km/hRefundablePower sockets, Wi-Fi
Lao Airlines740 km/hFixed fareNot published

The flight gets you into Vientiane. These two partners take it from there, and the bed is theirs to book.

A hotel room

A room in Vientiane for the night the flight gets in

Sort by distance from Vientiane Railway Station and you can see which places are ten minutes on foot and which are not.

Partner links. We earn a commission when a booking completes, and it never changes what you pay.

Booking window

When to book Chiang Mai to Vientiane

The same search run across the whole booking window, so the shape of the curve is visible rather than described.

  1. €53.8290 days
  2. €53.8260 days
  3. €59.1445 days
  4. €66.2230 days
  5. €60.3221 days
  6. €69.1714 days
  7. €82.157 days
  8. €137.613 days
  9. €171.831 days
Cheapest lead time
Fares bottom out around 90 days ahead, at €53.82.
How much it moves
The gap between the cheapest and dearest lead time is 219 percent. The dearest point is €171.83, 1 days out.
What that means
Today sits inside the cheap window, which closes about 90 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Day of the week

Which departure day costs least

Median cheapest fare for each weekday, taken across the next three weeks of real prices.

  1. €83.92Sun
  2. €73.89Mon
  3. €67.99Tue
  4. €69.17Wed
  5. €79.20Thu
  6. €74.48Fri
  7. €79.79Sat
Terminals

Where you leave from and where you arrive

Chiang Mai

Air
  • CNX

Vientiane

Air
  • VTE
The journey

What the journey looks like

Direct or connecting
0% of the services we sell on this corridor run through without a change. The remaining 100% involve one connection.
How far it really runs
The route covers 517 km against 392 km in a straight line, a detour of 41 percent. Track and road geometry account for the difference.
Where the change is
Connections are made at Udon Thani, Luang Prabang. The gap between arriving and leaving is 76 minutes, of which about 14 is walking.
If the connection is missed
The tightest connection we sell here has a 13 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
First and last departure
The first service of the day leaves Chiang Mai at 07:30 and the last at 07:30, across 2 departures The return direction keeps its own timetable, so the times back are not these times reversed.

Questions about Chiang Mai to Vientiane

The questions people actually ask about this journey, answered from the same prices and times the page above is built on rather than written once and left to go stale.

How long does the Flight from Chiang Mai to Vientiane take?

The Flight from Chiang Mai to Vientiane takes 4h 50m door to door, of which 1h 37m is spent moving. The route runs 517 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.

How much does the Flight from Chiang Mai to Vientiane cost?

The Flight from Chiang Mai to Vientiane starts at €52.64 for one passenger, as of 23 September 2026. A typical fare is €59.43. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.

Who runs the Flight from Chiang Mai to Vientiane?

3 operators run the Flight from Chiang Mai to Vientiane: Nok Air, การรถไฟแห่งประเทศไทย, Lao Airlines. Between them they file around 2 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.

Which terminal does the Flight from Chiang Mai to Vientiane use?

The Flight from Chiang Mai to Vientiane leaves from Chiang Mai International Airport CNX and arrives at Vientiane Railway Station. Allow about 1h 57m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.

When should I book the Flight from Chiang Mai to Vientiane?

Fares for the Flight from Chiang Mai to Vientiane bottom out around 90 days ahead, at €53.82. The gap between the cheapest and dearest lead time across the window is 219 percent, measured on 23 September 2026. Booking inside the final week has consistently cost more.

How much CO2 does the Flight from Chiang Mai to Vientiane produce?

The Flight from Chiang Mai to Vientiane produces about 109.3 kg of CO2 per passenger over 517 km, which works out at roughly 211 grams per passenger kilometre. That figure is for the whole journey and for one traveller, not for the vehicle.

What is provided on board the Flight from Chiang Mai to Vientiane?

Operators on the Flight from Chiang Mai to Vientiane publish Power sockets, Wi-Fi. That is what 3 carriers on this corridor state about their own fleets, across a journey of 4h 50m door to door. Where a carrier publishes nothing, this page lists nothing for it.

Where these numbers come from

Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.

Observed service A carrier record names this operator on this pair, carried through unchanged.

Prices come from the supplier wherever we hold a live quote. Elsewhere we show an indicative price built from the real distance, the real operator and a fare curve over lead time, day of the week and season. Those are labelled Estimated fare and cannot be booked.

Defined in full at Door to door, Fares, The booking window, Carbon

On this page
Every figure above was computed for Chiang Mai to Vientiane on 23 September 2026: 517 km of route against 392 km in a straight line, 2 services a day, 3 operators a cheapest fare of €52.64, and 4h 50m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.

Related journeys

The fare from VTE into Vientiane is set by whoever drives it.

A taxi rank outside an airport terminal

A car waiting when you land in Vientiane

Settled in advance, so the ride into Vientiane costs what it said it would rather than what the rank says.

Partner links. We earn a commission on a booking, and the fare is the same as going direct.

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