Cheap flight tickets from San Diego to Hilo

Compare San Diego to Hilo flight deals

Find the cheapest month or even day of the year to fly to Hilo

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Find the cheapest month to fly from San Diego to Hilo

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

San Diego to Hilo: Alternative routes

Compare routes from San Diego to Hilo below. You may find an airport to fly into that's cheaper, faster, or easier than Hilo.

San Diego to Hilo: Flight information

The things to know before you go.
Cheapest flight foundRM917
Cheapest month to flyMay

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

The best price we found for a return flight from San Diego to Hilo is RM1,835. 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 San Diego to Hilo. But we found flights with one stop from RM1,835.
As of April 2026, there are no flights flying from San Diego to Hilo.
The cheapest month to fly from San Diego to Hilo is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Hilo Airport on Thursday, 14 May 2026.
No airlines currently offer direct flights between San Diego and Hilo Airport. 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 Hilo 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 Hilo is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Hilo is Southwest Airlines .

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

  • Start planning your trip by checking out the most convenient departure point for your flight from San Diego to Hilo International Airport (ITO). Explore the options for leaving from San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD), the city's main airports.

  • The timezone in Hilo is UTC-10, which is three hours behind San Diego. Hilo International Airport is located in Hilo.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to board your flight from San Diego to ITO.

  • High season means busier airports, so show up even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stay on schedule.

Airports in San Diego

San Diego International Airport (SAN)

  • The journey from central San Diego to SAN takes around 20 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic conditions.

  • Catching an early flight from San Diego to Hilo International Airport? Avoid the mad dash to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels close to San Diego International Airport:

  • Of the flights that depart from San Diego International Airport, 71.38% arrive on time at their destination.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • You can get to CLD from central San Diego in about 40 minutes by car (depending on traffic conditions). The journey by public transport takes roughly 2 hours 15 minutes to travel the 56 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your San Diego to ITO flight? Check in to a hotel near McClellan-Palomar Airport before your break officially begins. These stays have a room with your name on it:

About Hilo International Airport (ITO)

Getting from Hilo International Airport (ITO) to central Hilo

  • Central Hilo is around 5 kilometres from Hilo International Airport. Journey times by car hire or cab will vary depending on time of day, so do a little research before you go.

  • If you're taking public transport, expect a journey time of roughly 30 minutes.

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

  • The cheapest price we've found for a one-way ticket from San Diego to Hilo International Airport is RM917. For a return flight on this route, the best price is RM1,835. Depending on how early you book and the availability, these fares could change.

  • To find cheap flights from San Diego to ITO, book ahead. Airlines typically offer the most competitive fares when tickets are first released.

  • The 'Whole month' tool shows you the cheapest San Diego to Hilo International Airport tickets throughout the month. It's a great way to snap up a bargain if your plans aren't set in stone.

  • Save time looking for cheap plane tickets from San Diego to ITO by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Filters make it easier to dig up a deal for your flight from San Diego to Hilo International Airport. Choose the airlines, flight times and number of stops that check all your boxes. Then sort the results by 'Cheapest' to find the lowest price right away.

The best time to fly from San Diego to Hilo International Airport (ITO)

  • Think about the kind of holiday you want when deciding when to fly. May is the quietest month to visit Hilo. August is when most people book flights from San Diego to Hilo International Airport (ITO), which may be perfect if you're after more action.

  • Before locking in your San Diego to ITO plane ticket, consider what kind of weather works for you. October is the warmest month in Hilo, with temperatures ranging from 19ºC (66ºF) to 26ºC (79ºF).

  • If you like cooler conditions, look for a cheap ticket from San Diego to Hilo International Airport in February when temperatures are between 17ºC (63ºF) and 24ºC (75ºF).

More about Hilo

  • Start your Hilo trip right by choosing the ideal place to stay. As soon as you've booked your flight from San Diego to Hilo International Airport, browse our range of accommodation options including:

  • You'll find plenty of terrific things to do in Hilo when you're ready to go sightseeing. Kick things off at Rainbow Falls followed by Kulaniapia Falls and Hilo Bay.

Explore more of the United States

  • Kahului is just one of the many cities in the United States waiting to be explored once you've seen the sights of Hilo. Around 193 kilometres away to the north-west, its top attractions include West Maui Circle Drive, Palaau State Park and Maui Nui Botanical Gardens.

  • Around 193 kilometres north-west of Hilo, Kīhei is another essential stop in the United States. Start your sightseeing at Kihei Regional Park, MCC Four Winds and Maui Magic Snorkel Tour Boats and Ma‘alaea Bay.

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