To save on the cost of your flight from Charleston to Keflavik, book at least 19 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $784 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $919.
Our data shows that June tends to be the cheapest month to fly to Keflavik from Charleston. Users have commonly found prices around $815 for the month, but tickets can be as low as $595. Due to multiple factors, prepare for potentially higher prices in December.
||$478||$660||No cancel fee||71%|
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||$565||$867||No cancel fee||69%|