Cheap flights from Montreal to Las Vegas from C$765 YHU, YUL → LAS
St. Hubert Airport (YHU), Montreal-Pierre Elliott Trudeau International Airport (YUL) → McCarran International Airport (LAS)
The cheapest return found recently is C$765 (US$537) with Porter Airlines Canada, 22 Jun 2027 – 30 Jun 2027, found 2 days ago.
- Cheapest return found recently
- C$765 (US$537), 22 Jun 2027 to 30 Jun 2027
- Usual return price
- C$765 (US$537) to C$899 (US$631)
- Cheapest month to fly
- October 2027, return fares from C$743 (US$521) found in the last 7 days
Return
The cheapest return fare on each of 5 departure dates is usually C$765 (US$537) to C$899 (US$631).
Cheapest return found recently
C$765 (US$537)
22 Jun 2027 – 30 Jun 2027 · Porter Airlines Canada
St. Hubert Airport (YHU) → McCarran International Airport (LAS)
Leaves 3:55 p.m. · Return leaves 11:40 p.m. · 25 h 7 min of travel, both ways together
out 1 stop, back 2 stops
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
C$765 (US$537) 22 Jun 2027 – 30 Jun 2027found 2 days agoSee prices for these dates
C$743 (US$521) 6 Oct 2027 – 9 Oct 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 46 days, 24 Sept to 11 Nov, the cheapest return we saw each day was C$502 (US$352) to C$835 (US$586).
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 5 departure dates from 27 Nov to 6 Oct 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 8-night return fares leaving within 3 days of 22 Jun 2027 to compare.
Every date we hold
9 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 Nov – 29 Nov | C$858 (US$602) | Porter Airlines Canada | St. Hubert Airport (YHU) → McCarran International Airport (LAS) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 17 Dec – 1 Jan 2027 | C$899 (US$631) | American Airlines | Montreal-Pierre Elliott Trudeau International Airport (YUL) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 26 Dec – 30 Dec | C$1,029 (US$722) | Porter Airlines Canada | St. Hubert Airport (YHU) → McCarran International Airport (LAS) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
| 22 Jun 2027 – 30 Jun 2027 | C$765 (US$537) | Porter Airlines Canada | St. Hubert Airport (YHU) → McCarran International Airport (LAS) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
| 6 Oct 2027 – 9 Oct 2027 | C$743 (US$521) | United Airlines | Montreal-Pierre Elliott Trudeau International Airport (YUL) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
October 2027 is the cheapest month — from C$743 (US$521).
Airlines on the cheapest dates: Porter Airlines Canada, American Airlines, United Airlines.
Premium cabin fares from Montreal to Las Vegas
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 22 Jun 2027 – 30 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Montreal to Las Vegas?
Return
Fares 30 to 59 days before departure were typically 12% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (46 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 |
|---|---|---|---|---|
| 0–6 days | C$805 (US$565) | C$785 (US$551) | +13% | 11 |
| 7–13 days | C$830 (US$582) | C$653 (US$458) | +17% | 18 |
| 14–29 days | C$858 (US$602) | C$502 (US$352) | +21% | 11 |
| 30–59 days | C$711 (US$499) | C$620 (US$435) | Cheapest seen | 30 |
| 60–89 days | C$870 (US$610) | C$717 (US$503) | +22% | 7 |
Live price for these dates
The cheapest return found recently is for 22 Jun 2027 – 30 Jun 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Montreal to Las Vegas?
The cheapest return found recently is C$765 (US$537) with Porter Airlines Canada, 22 Jun 2027 to 30 Jun 2027, found 2 days ago. The cheapest return we hold, of any age, is C$743 (US$521) with United Airlines, 6 Oct 2027 to 9 Oct 2027, found 4 days ago. The cheapest return fare on each of 5 departure dates is usually C$765 (US$537) to C$899 (US$631).
What is the cheapest month to fly from Montreal to Las Vegas?
October 2027 is the cheapest month for a return, from C$743 (US$521), 6 Oct 2027 to 9 Oct 2027, found 4 days ago.
How far ahead should I book a flight from Montreal to Las Vegas?
In 46 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 12% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Montreal to Las Vegas?
Between 27 Nov and 6 Oct 2027, Porter Airlines Canada has the cheapest return on 3 of the 5 departure dates we hold, American Airlines on 1 and United Airlines on 1.
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 2026-11-12, US dollars in brackets. Fares change, so check today's price before you book. How our prices work