Cheap Flights from Hilo to San Diego

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Find the cheapest month to fly from Hilo to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hilo to San Diego flights are currently cheapest in November.

Alternative Hilo to San Diego routes

Looking for the cheapest, fastest or easiest route from Hilo to San Diego? You could fly into the following airports instead.

Hilo to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 3,593
Cheapest month to flyNovember

Finding cheap flights from Hilo to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Hilo to San Diego is R 6,594. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Hilo to San Diego. But we found flights with one or more stops from R 6,594.
As of July 2025, there are no flights flying from Hilo to San Diego.
The cheapest month to fly from Hilo to San Diego is usually August.
If you're flying from Hilo Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from R 6,594.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hilo Airport to San Diego on Monday, 18 August 2025.
No airlines currently offer direct flights between Hilo Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 22°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Hawaiian Airlines offers the cheapest flight tickets to San Diego.

Flying from Hilo International Airport (ITO) to San Diego: what you need to know

  • The timezone in San Diego is UTC-7. The city is three hours ahead of Hilo, where Hilo International Airport is located.

  • Give yourself enough time to make your ITO to San Diego flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're jetting off during a bank holiday or another peak period, allow extra time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • Travelling from central Hilo to ITO takes about 30 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Hilo International Airport to San Diego? Avoid the hassle of rushing to the airport (and catch some extra z's) by choosing one of these stays near ITO:

  • 91.55% of flights departing from Hilo International Airport arrive at their destination on time. With its reliable on-time performance, delays are unlikely when jetting out of ITO.

How to find the cheapest flights from Hilo International Airport (ITO) to San Diego

  • R 3,593 is the cheapest price we've seen for a one-way Hilo International Airport to San Diego flight. A round-trip ticket right now is R 6,594. Depending on the availability when you book, these fares may change.

  • Don't leave everything to the last moment. You're more likely to land cheap flights from ITO to San Diego if you book ahead. Airlines often offer some amazing early bird rates.

  • Finding cheap tickets from Hilo International Airport to San Diego is easier if you can be flexible with your dates. Use the 'Whole month' function to get the lowest prices across every month and snap up an awesome deal.

  • Snapping up a cheap flight from ITO to San Diego is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll notify you as soon as a better deal is available.

  • Find an affordable flight from Hilo International Airport to San Diego with the help of our filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in San Diego

San Diego International Airport (SAN)

  • The distance from San Diego International Airport (SAN) to central San Diego is roughly 5 kilometres. It takes about 10 minutes to get to the centre driving.

  • If you're travelling by public transport, expect a journey time of about 20 minutes.

  • If you're coming in on a late flight from Hilo International Airport to San Diego, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these accommodation options near SAN:

  • Pick up a San Diego International Airport rental car and explore San Diego and beyond with your own set of wheels. Thrifty, Dollar and Budget are top outlets you can book with here.

  • Booking your vehicle from San Diego International Airport around two weeks in advance of your flight from ITO to San Diego can help you lock in the lowest rate.

  • The address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is roughly 56 kilometres from central San Diego. After your flight from Hilo International Airport to San Diego, it'll take you around 40 minutes to get to the heart of the city in a ride-share or cab.

  • If you're catching public transport, it'll take about 2 hours 15 minutes.

  • There are some great places to rest your head close to CLD. Tuck yourself in and get cosy after your ITO to San Diego flight at any of these well-located options:

  • Budget, Hertz and Avis make collecting a McClellan-Palomar Airport rental car simple. These providers are located in or around the terminal and will have you on your way in a heartbeat.

  • Save time at the rental desk by completing your booking beforehand. Reserve your ride from CLD ahead of time so you can simply grab the keys and be on your way.

Best time to go to San Diego

  • Carefully consider your trip dates before booking your flight from Hilo International Airport to San Diego. The city comes alive during high season, but hotel rates are generally higher and attractions can be crowded. Go to San Diego in the low season if you want a more relaxed vibe.

  • Book a Hilo International Airport to San Diego flight ticket with a departure in August to visit the city during its warmest month. You can expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • February has average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Look for a cheap ticket from ITO to San Diego around that time if you like travelling in cooler conditions.

More about San Diego

Explore more of United States

  • You've done San Diego, now it's time to discover more of United States. Journey about 177 kilometres north-west to Los Angeles to tick off its top attractions. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, your itinerary will be busy.

  • If you want to check out another side of United States, consider Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.