Phnom Penh to Vientiane flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Phnom Penh to Vientiane is €194 (checked on 4 Nov 2026).
Your next trip, last seen at €194
Lowest observedWhen to fly
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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
- €194, departing 4 Jan 2027 (Last checked: 4 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 51Check live prices for this route
- Round trip
- €385, departing 10 Nov 2026, back 17 Nov 2026 (Last checked: 4 Nov 2026)
- Non-stop, one way
- €196, departing 1 Jan 2027 (Last checked: 4 Nov 2026)
- Airlines seen
- Air Cambodia, Thai Vietjet Air
- Non-stop
- Yes
About this route
Explore the fares we observed from Phnom Penh to Vientiane. Prices move often, so pick your dates to see the latest options.
- Route distance
- 755 km
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Techo International Airport (KTI) → Phnom Penh, city gazetteer reference point (11.5564, 104.9282): ≈ 22 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.
Lowest fare by departure month
Cheapest month from Phnom Penh to Vientiane: January 2027, from €194 (checked 4 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| January 2027 | €194 | 27 |
| February 2027 | €200 | 24 |
Lowest fare by day of the week
Cheapest day of the week from Phnom Penh to Vientiane: Monday, from €194 (checked 4 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €194 | 8 |
| Tuesday | €201 | 8 |
| Wednesday | €200 | 8 |
| Thursday | €201 | 6 |
| Friday | €196 | 7 |
| Saturday | €201 | 7 |
| Sunday | €201 | 7 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Phnom Penh to Vientiane by days until departure (61 days or more): €194 (checked 4 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 31 to 60 days | €196 | 3 |
| 61 days or more | €194 | 48 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from Phnom Penh to Vientiane?
The lowest fare Routavio has observed is €194, found on 4 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Phnom Penh to Vientiane?
Cheapest month from Phnom Penh to Vientiane: January 2027, from €194 (checked 4 Nov 2026).
Which airlines fly from Phnom Penh to Vientiane?
Routavio has seen these carriers on the route: Air Cambodia, Thai Vietjet Air.
How many of the observed Phnom Penh to Vientiane fares were non-stop?
43 of the 52 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Phnom Penh to Vientiane?
Cheapest round trip: €385, departing 10 Nov 2026, back 17 Nov 2026 (checked 4 Nov 2026).
How much is a non-stop flight from Phnom Penh to Vientiane?
Cheapest non-stop one-way fare: €196, departing 1 Jan 2027 (checked 4 Nov 2026).
Which day of the week is cheapest from Phnom Penh to Vientiane?
Cheapest day of the week from Phnom Penh to Vientiane: Monday, from €194 (checked 4 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.