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Checked November 6, 2026 · last officially updated October 15, 2026
The usual round-trip price from Montreal to Vientiane is about $3992 CAD, based on all of our scans. The lowest price we have recorded is $2365 CAD, which is 41% below the usual price. Departures in January are cheapest on average ($3018 CAD) and departures in November the most expensive ($4302 CAD). Prices swing a lot on this route, so waiting for a price drop can pay off. The usual price to Vientiane is higher than that of 100% of the 14 destinations we track in Southeast Asia from Montreal.
No deal sent to Vientiane yet
We track prices from Montreal to Vientiane every day. When a fare drops well below its usual level, we send it to subscribers. Subscribe to be alerted as soon as it happens.
What is the best month to fly from Montreal to Vientiane? Price by departure month
Typical round-trip price of each month's departures, all trip lengths, from all of our past and current scans (every January pooled, and so on). Prices are compared at the same booking lead time. The difference compares each month to the average of the months shown: a negative difference means cheaper than average. These figures firm up as we collect more scans.
| Departure month | Average price | Lowest seen | Difference | |
|---|---|---|---|---|
| January | $3876 | $2365 | +0% | |
| November | $3952 | $2497 | +2% | |
| December | $3810 | $2469 | -2% |
When to fly from Montreal to Vientiane? Average price per day
Average round-trip price per departure date, all trip lengths, from all of our scans. Green line: the average price across all of our scans. Black dot: the cheapest day.
Jan 18, 2027 is the cheapest departure date from Montreal to Vientiane in our scans: $2365 CAD on average, across all trip lengths and all prices recorded over time.
FAQ: flights Montreal → Vientiane
Is the best price from Montreal to Vientiane really a good deal?
The average price across all of our Montreal → Vientiane scans is $3992 CAD. Our best spotted price, $2365 CAD, is 41% below that average.
When is the cheapest time to fly from Montreal to Vientiane?
Based on our daily scans, departures from Montreal to Vientiane in January are the cheapest (average $3018 CAD) and departures in November the most expensive ($4302 CAD). The chart above shows the average price day by day for the coming year.
How long does a deal from Montreal to Vientiane last?
Fare deals disappear fast: we treat a deal as active for 48 hours after it is sent. After that the price may have changed.
How do I get alerted when fares from Montreal to Vientiane drop?
Subscribe to En Plein Vol for free: we email flight deals from Montreal as soon as they are spotted.