What is the cheapest month to fly from Islip to Calgary?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Islip (ISP) to Calgary (YYC), with fares starting from $462.

What is the lowest current fare from ISP to YYC?

The lowest currently-listed fare from Islip (ISP) to Calgary (YYC) is $462 on 2026-05-31.

Is there a direct flight from Islip to Calgary?

There is currently no non-stop service from ISP to YYC. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Islip to Calgary

Cheapest current fares: $462 in May 2026 on connecting flights.

Last updated May 22, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Islip (ISP) to Calgary (YYC). Refreshed daily.

Islip (ISP) → Calgary (YYC)

May 2026 $462

Frequently asked questions

What is the cheapest month to fly from Islip to Calgary?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Islip (ISP) to Calgary (YYC), with fares starting from $462.
What is the lowest current fare from ISP to YYC?

The lowest currently-listed fare from Islip (ISP) to Calgary (YYC) is $462 on 2026-05-31.
Is there a direct flight from Islip to Calgary?

There is currently no non-stop service from ISP to YYC. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.