Best time to fly to Glen
The most popular months for travelers to fly to Glen are March, April, and July, when peak temperatures in Glen can reach up to 66.4°F in July. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 40.3°F and typically the lowest average one-way fare (around $252), roughly 8% cheaper than the yearly average. Looking for additional cheaper months to fly? January, August, and September offer average one-way fares of around $262, making them good options for flexible travelers.
Month | Temperature | Precipitation | Cloudiness | Demand | Average one-way Fare |
| January | 17.6°F (-8.0°C) | No Rain (Dry) | Mostly Sunny | Average | $259 |
| February | 18.9°F (-7.3°C) | No Rain (Dry) | Mostly Sunny | Average | $275 |
| March | 28.4°F (-2.0°C) | No Rain (Dry) | Mostly Sunny | Moderately High | $272 |
| April | 36.7°F (2.6°C) | No Rain (Dry) | Mostly Sunny | Moderately High | $281 |
| May | 47.3°F (8.5°C) | Light Rain | Mostly Sunny | Average | $280 |
| June | 56.7°F (13.7°C) | Light Rain | Mostly Sunny | Average | $292 |
| July | 66.4°F (19.1°C) | No Rain (Dry) | Sunny | Moderately High | $291 |
| August | 64.6°F (18.1°C) | No Rain (Dry) | Sunny | Average | $265 |
| September | 55.9°F (13.3°C) | No Rain (Dry) | Sunny | Average | $265 |
| October | 40.3°F (4.6°C) | No Rain (Dry) | Mostly Sunny | Moderately Low | $252 |
| November | 27.0°F (-2.8°C) | No Rain (Dry) | Mostly Sunny | Moderately Low | $270 |
| December | 16.5°F (-8.6°C) | No Rain (Dry) | Mostly Sunny | Moderately Low | $303 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.