Charleston: cheap flights and the best time to go
Historic streets and nearby beaches. South Carolina · Cities, Beaches
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Cheapest round trip
Safety level
U.S. U.S. destination: no State Department travel advisory
The State Department's travel advisories
Levels: 1 Exercise normal precautions · 2 Exercise increased caution · 3 Reconsider travel · 4 Do not travel. Read the advisory before you book; it can change. Checked 2026-10-07.
Best time to go
For the weather: May, June, July (beach weather: highs of 78–90°F, not too much rain). With fares from your airport, the best months weigh weather 60% and price 40%.
| Month | High | Low | Rain | Cheapest round trip from JFK |
|---|---|---|---|---|
| January | 58°F | 44°F | 2.6 in | … |
| February | 61°F | 46°F | 2.5 in | … |
| March | 66°F | 52°F | 3.1 in | … |
| April | 73°F | 60°F | 3.0 in | … |
| May (a best month) | 79°F | 68°F | 2.6 in | … |
| June (a best month) | 85°F | 74°F | 4.8 in | … |
| July (a best month) | 88°F | 77°F | 5.1 in | … |
| August | 87°F | 77°F | 6.1 in | … |
| September | 83°F | 73°F | 5.2 in | … |
| October | 76°F | 63°F | 4.1 in | … |
| November | 67°F | 53°F | 2.3 in | … |
| December | 61°F | 47°F | 2.9 in | … |
Typical daily high and low and total rain, 1991–2020: NOAA NCEI GHCN-Daily, station DWTN CHARLESTON (1 km away). ★ = the best three months. Fares are the cheapest found for trips leaving that month in the next year.
Prices are per seat for a round trip in economy; with more than one traveler they're the total for your party (babies under 2 on a lap need no seat). The booking site shows the final price for everyone.