| YWP | Webequie Airport, Webequie, Ontario, Canada |
| YWR | White River Airport, White River, Ontario, Canada |
| YWS | Whistler Airport, Whistler, British Columbia, Canada |
| YWY | Wrigley Airport, Wrigley, NorthWest Territories, Canada |
| YX | Midwest Express (airline IATA code) |
| YXC | Cranbrook Airport, Cranbrook, British Columbia, Canada |
| YXD | Edmonton Municipal Airport / Blatchford Field, Edmonton, Alberta, Canada |
| YXE | Saskatoon Municipal Airport, Saskatoon, Saskatchewan, Canada |
| YXF | Snake River, Yukon Territory, Canada |
| YXH | Medicine Hat Municipal Airport, Medicine Hat, Alberta, Canada |
| YXI | Killaloe Airport, Killaloe, Ontario, Canada |
| YXJ | Fort St. John Municipal Airport, Fort St. John, British Columbia, Canada |
| YXK | Rimouski Municipal Airport, Rimouski, Quebec, Canada |
| YXL | Sioux Lookout Municipal Airport, Sioux Lookout, Ontario, Canada |
| YXN | Whale Cove Airport, Whale Cove, Nunavut, NorthWest Territories, Canada |
| YXP | Pangnirtung Airport, Pangnirtung, Baffin Island, NorthWest Territories, Canada |
| YXR | Earlton Timiskaming Regional Airport, Earlton, Ontario, Canada |
| YXS | Prince George Municipal, Prince George, British Columbia, Canada |
| YXT | Terrace Municipal Airport, Terrace, British Columbia, Canada |
| YXU | London International Airport, London, Ontario, Canada |