Best time to fly to Carlisle
The most popular months for travelers to fly to Carlisle are January, March, and April, when peak temperatures in Carlisle can reach up to 61.5°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 75°F and typically the lowest average one-way fare (around $235), roughly 11% cheaper than the yearly average. Looking for additional cheaper months to fly? May, August, and October offer average one-way fares of around $248, making them good options for flexible travelers.
Month | Temperature | Precipitation | Cloudiness | Demand | Average one-way Fare |
| January | 41.2°F (5.1°C) | Light Rain | Mostly Sunny | Moderately High | $284 |
| February | 44.4°F (6.9°C) | Light Rain | Mostly Sunny | Average | $272 |
| March | 53.6°F (12.0°C) | Light Rain | Mostly Sunny | Moderately High | $307 |
| April | 61.5°F (16.4°C) | Light Rain | Mostly Sunny | Moderately High | $263 |
| May | 70.5°F (21.4°C) | Light Rain | Mostly Sunny | Average | $244 |
| June | 79.3°F (26.3°C) | Light Rain | Mostly Sunny | Average | $279 |
| July | 81.9°F (27.7°C) | Light Rain | Mostly Sunny | Average | $272 |
| August | 80.4°F (26.9°C) | Light Rain | Mostly Sunny | Average | $250 |
| September | 75.0°F (23.9°C) | Light Rain | Mostly Sunny | Moderately Low | $235 |
| October | 64.2°F (17.9°C) | Light Rain | Mostly Sunny | Average | $251 |
| November | 52.3°F (11.3°C) | Light Rain | Mostly Sunny | Moderately Low | $256 |
| December | 45.5°F (7.5°C) | Light Rain | Mostly Sunny | Moderately Low | $275 |
*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.