Montreal to Bangkok YHU, YUL → BKK, DMK
St. Hubert Airport (YHU), Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
The cheapest return found recently is C$972 (US$687) with United Airlines, 8 Feb 2027 – 22 Feb 2027, found 3 days ago. The cheapest one-way found recently is C$868 (US$613) with Air Canada, 12 Jul 2027, found 2 days ago.
Return
The cheapest return fare on each of 3 departure dates is usually C$1,137 (US$803) to C$1,611 (US$1,139).
Cheapest return found recently
C$972 (US$687)
8 Feb 2027 – 22 Feb 2027 · United Airlines
Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK)
Leaves 6:15 p.m. · Return leaves 7:10 a.m. · 53 h 2 min of travel, both ways together
out 1 stop, back 2 stops
found 3 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
C$972 (US$687) 8 Feb 2027 – 22 Feb 2027found 3 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was C$967 (US$683) to C$1,570 (US$1,109).
At C$972 (US$687), the cheapest return found recently is at the low end of that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 4 Jan 2027 to 2 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 14-night return fares leaving within 3 days of 8 Feb 2027 to compare.
Every date we hold
7 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Jan 2027 – 31 Jan 2027 | C$1,922 (US$1,358) | Porter Airlines Canada | Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 8 Feb 2027 – 22 Feb 2027 | C$972 (US$687) | United Airlines | Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK) | out 1 stop, back 2 stops | found 3 days ago | See prices for these dates |
| 2 May 2027 – 9 May 2027 | C$1,301 (US$919) | United Airlines | Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from C$972 (US$687).
Airlines on the cheapest dates: United Airlines, Porter Airlines Canada.
One-way
The cheapest one-way fare on each of 3 departure dates is usually C$919 (US$650) to C$981 (US$693).
Cheapest one-way found recently
C$868 (US$613)
12 Jul 2027 · Air Canada
Montreal-Pierre Elliott Trudeau International Airport (YUL) → Don Mueang International Airport (DMK)
Leaves 12:50 p.m. · 42 h 5 min trip
2 stops
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
C$868 (US$613) 12 Jul 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 21 days, 27 Sept to 18 Oct, the cheapest one-way we saw each day was C$658 (US$465) to C$927 (US$655).
21 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 12 Jul 2027 to 6 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 12 Jul 2027 to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Jul 2027 | C$868 (US$613) | Air Canada | Montreal-Pierre Elliott Trudeau International Airport (YUL) → Don Mueang International Airport (DMK) | 2 stops | found 2 days ago | Open this trip |
| 5 Sept 2027 | C$971 (US$686) | Air Canada | Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK) | 2 stops | found 2 days ago | Open this trip |
| 6 Sept 2027 | C$991 (US$700) | Air Canada | Montreal-Pierre Elliott Trudeau International Airport (YUL) → Suvarnabhumi Airport (BKK) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
July 2027 is the cheapest month — from C$868 (US$613).
Airlines on the cheapest dates: Air Canada.
Premium cabin fares from Montreal to Bangkok
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 8 Feb 2027 – 22 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 12 Jul 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Montreal to Bangkok?
Return
Fares 180 or more days before departure were typically 19% lower than 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | C$1,598 (US$1,129) | C$1,442 (US$1,019) | +23% | 16 |
| 60–89 days | C$1,922 (US$1,358) | C$1,598 (US$1,129) | +48% | 21 |
| 90–179 days | C$1,498 (US$1,059) | C$967 (US$683) | +15% | 24 |
| 180+ days | C$1,301 (US$919) | C$1,301 (US$919) | Cheapest seen | 10 |
One-way
Fares 90 to 179 days before departure were typically 30% lower than 30 to 59 days before departure.
From the cheapest one-way each day between 27 Sept and 18 Oct (21 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | C$958 (US$677) | C$671 (US$474) | +44% | 10 |
| 90–179 days | C$667 (US$471) | C$658 (US$465) | Cheapest seen | 18 |
| 180+ days | C$927 (US$655) | C$868 (US$613) | +39% | 7 |
Live price for these dates
The cheapest return found recently is for 8 Feb 2027 – 22 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days: the price the seller showed on Aviasales; bags may cost extra. Canadian dollars at the Bank of Canada rate of 2026-10-16, US dollars in brackets. Fares change, so check today's price before you book. How our prices work