The usual round-trip price from Montreal to San Diego is about $929 CAD, based on all of our scans. The lowest price we have recorded is $597 CAD, which is 36% below the usual price. Departures in February are cheapest on average ($776 CAD) and departures in November the most expensive ($1126 CAD). Prices swing a lot on this route, so waiting for a price drop can pay off. The usual price to San Diego is lower than that of 56% of the 17 destinations we track in North America from Montreal.
No deal sent to San Diego yet
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What is the best month to fly from Montreal to San Diego? 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 | $919 | $597 | -1% | |
| February | $937 | $702 | +1% | |
| March | $913 | $709 | -1% | |
| November | $942 | $770 | +2% | |
| December | $911 | $763 | -1% |
When to fly from Montreal to San Diego? 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 30, 2027 is the cheapest departure date from Montreal to San Diego in our scans: $666 CAD on average, across all trip lengths and all prices recorded over time.
FAQ: flights Montreal → San Diego
Is the best price from Montreal to San Diego really a good deal?
The average price across all of our Montreal → San Diego scans is $929 CAD. Our best spotted price, $597 CAD, is 36% below that average.
When is the cheapest time to fly from Montreal to San Diego?
Based on our daily scans, departures from Montreal to San Diego in February are the cheapest (average $776 CAD) and departures in November the most expensive ($1126 CAD). The chart above shows the average price day by day for the coming year.
How long does a deal from Montreal to San Diego 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 San Diego drop?
Subscribe to En Plein Vol for free: we email flight deals from Montreal as soon as they are spotted.