Your next trip, last seen at €184
Below averageUnited Airlines · 1 stop · One wayWhen 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
- €184, departing 12 Jan 2027 (Last checked: 21 Oct 2026)One-way fareCheck live prices for this route
- Round trip
- €888, departing 26 Dec 2026, back 1 Jan 2027 (Last checked: 27 Oct 2026)
- Airlines seen
- Air Transat, Air Canada, Arajet, Frontier Airlines, Porter Airlines Canada, United Airlines, WestJet (7)
- Reported fastest flight
- 4h 30m
- Non-stop
- Yes
About this route
Explore the fares we observed from Montreal to San Juan. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,085 km
- Reported fastest flight
- 4h 30m
- Alternative airports
- YHU, YMX, SIG
Route-level information; individual journeys vary.
Published schedules report non-stop service with Air Transat. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Air Transat | 4 / 73 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Montréal / Saint-Hubert Metropolitan Airport (YHU) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 11 km.
- Montreal / Pierre Elliott Trudeau International Airport (YUL) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 15 km.
- Montreal Mirabel International Airport (YMX) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 42 km.
- Fernando Luis Ribas Dominicci Airport (SIG) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 1 km.
- Luis Munoz Marin International Airport (SJU) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 11 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 one-way fare we saw per airline
Cheapest airline from Montreal to San Juan: United Airlines, from €184 (checked 21 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| United Airlines | €184Jan 12, 2027 | 34 |
| Air Canada | €185Dec 12, 2026 | 21 |
| Porter Airlines Canada | €211Jan 18, 2027 | 8 |
| Arajet | €232Jan 9, 2027 | 3 |
| WestJet | €260Jan 15, 2027 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Montreal to San Juan?
The lowest fare Routavio has observed is €184, found on 21 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Montreal to San Juan?
In our observations January 2027 is the cheapest month so far, at €184.
Are there direct flights from Montreal to San Juan?
Yes. Published schedules report non-stop flights on this route with Air Transat.
Which airlines fly from Montreal to San Juan?
Routavio has seen these carriers on the route: Air Transat, Air Canada, Arajet, Frontier Airlines, Porter Airlines Canada, United Airlines, WestJet (7).
How long does the flight from Montreal to San Juan take?
Across the 72 fares Routavio observed, the average journey time is 11h 50m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Montreal to San Juan fares were non-stop?
3 of the 73 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 Montreal to San Juan?
Cheapest round trip: €888, departing 26 Dec 2026, back 1 Jan 2027 (checked 27 Oct 2026).
Which airlines had non-stop offers on at least 3 departure dates from Montreal to San Juan?
For Montreal to San Juan, examples of observed one-way non-stop offers checked within the last 14 days: Air Transat (4). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Montreal to San Juan?
Cheapest airline from Montreal to San Juan: United Airlines, from €184 (checked 21 Oct 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.