Cheap Flights to Charleston
$226 round trip from New Yorkseen Aug 18 · 30 Sept–5 Oct
Find flights to Charleston
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Overview
Flying to Charleston
Country
United States
Region
North America
Airport
CHS
Cheapest month we saw
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Fares we found
What we have seen flights to Charleston cost
3 observations — too few to say which month is cheapest, so here they are as they came.
- September$358 round trip from New York · departing 2026-09-25 · seen Aug 23
- October$342 round trip from New York · departing 2026-10-02 · seen Aug 23
- November$375 round trip from New York · departing 2026-11-26 · seen Aug 23
Climate
Weather in Charleston, month by month
The warmest month in Charleston is July, at an average high of 86°F; the coolest is January at 59°F. July brings the most rain.
| Month | High | Low | Rain | Ocean |
|---|---|---|---|---|
| January | 59°F | 46°F | 3.5 in | 55°F |
| February | 61°F | 46°F | 3.3 in | 59°F |
| March | 66°F | 52°F | 4.4 in | 64°F |
| April | 73°F | 59°F | 2.9 in | 68°F |
| May | 81°F | 68°F | 3.0 in | 73°F |
| June | 84°F | 73°F | 4.3 in | 79°F |
| July | 86°F | 77°F | 6.0 in | 86°F |
| August | 86°F | 77°F | 5.7 in | 86°F |
| Septemberthis month | 82°F | 73°F | 4.8 in | 82°F |
| October | 75°F | 63°F | 2.9 in | 72°F |
| November | 66°F | 54°F | 2.6 in | 64°F |
| December | 61°F | 48°F | 2.6 in | 57°F |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Charleston guide coming soon
We're writing an in-depth guide to Charleston — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Charleston — your questions answered
- How much is a round trip flight to Charleston?
- The cheapest round trip we currently hold is $226 from New York (seen Aug 18 · 30 Sept–5 Oct). We hold fares for 3 months, between $342 and $375 — too few to say which month is cheapest. These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Charleston?
- July is the warmest month in Charleston, averaging a daily high of 86°F, and 6 of the 12 months average 75°F or warmer. The coolest is January at 59°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Charleston in September?
- In September, Charleston averages a daily high of 82°F and an overnight low of 73°F; about 4.8 inches of rain fall across the month; the sea averages 82°F. Ten-year measured averages — an individual week can differ.
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