Travelers have found it’s best to book a flight 33 days in advance to save up to 19% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Hawaii to San Diego 1-2 weeks in advance for as low as $86, or $107 for flights within the next 24 hours.
Flights from Hawaii to San Diego lean towards being more expensive in March. Prices are generally better when you fly from Hawaii to San Diego in May, with the cheapest ticket starting at $58.