HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$209+ Cheap flights from Hilo to San Diego (ITO - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hilo to San Diego with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Hilo to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Hilo (ITO) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$438
(Southwest)

One-way from

$209
(Hawaiian Airlines)

Popular in

December

Cheapest in

April

Average price

$871
Provider with most accurate pricing for Hilo Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hilo Intl-San Diego flights.
Search Deals
From Hilo Intl to San Diego
Search Deals
One-way flight from Hilo Intl to San Diego
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Hilo to San Diego

Cheapest flights from Hilo to San Diego
Explore the most affordable flight options available from Hilo to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/197:55 amITO - SAN
1 stop10h 00mSouthwest
lun. 8/257:45 amSAN - ITO
1 stop9h 55mSouthwest
Deal found 3/26$438
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/1011:35 amITO - SAN
1 stop7h 25mAlaska Airlines
sáb. 5/176:16 pmSAN - ITO
1 stop15h 46mAlaska Airlines
Deal found 3/26$488
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/108:40 amITO - SAN
2 stops12h 19mUnited Airlines
sáb. 5/176:15 amSAN - ITO
3 stops15h 54mUnited Airlines
Deal found 3/26$1,022
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/105:35 pmITO - SAN
2 stops12h 00mMultiple Airlines
sáb. 5/176:20 amSAN - ITO
3 stops14h 40mMultiple Airlines
Deal found 3/26$1,579

Cheapflights Fare Finder

Customize your flight search to find flights from Hilo to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
Use the filters below to find and compare flights from Hilo to San Diego that are best for you.

Fly from

Hilo

Fly to

San Diego

Route

Depart

Return

Price

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

mar. 8/19

7:55 am-8:55 pm

1 stop10h 00m

San Diego

lun. 8/25

7:45 am-2:40 pm

1 stop9h 55m

$438

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

sáb. 5/10

11:35 am-10:00 pm

1 stop7h 25m

San Diego

sáb. 5/17

6:16 pm-7:02 am

1 stop15h 46m

$488

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

sáb. 5/10

8:40 am-11:59 pm

2 stops12h 19m

San Diego

sáb. 5/17

6:15 am-7:09 pm

3 stops15h 54m

$1,022

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

sáb. 5/10

5:35 pm-8:35 am

2 stops12h 00m

San Diego

sáb. 5/17

6:20 am-6:00 pm

3 stops14h 40m

$1,579

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

lun. 5/26

7:55 pm-7:25 am

1 stop8h 30m

$209

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

sáb. 6/7

6:30 pm-9:48 am

2 stops12h 18m

$254

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

mié. 4/16

6:00 am-4:35 pm

1 stop7h 35m

$257

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

lun. 4/14

8:40 am-11:59 pm

2 stops12h 19m

$329

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

vie. 4/18

7:55 pm-2:23 pm

2 stops15h 28m

$367

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

dom. 4/20

11:35 am-8:30 am

2 stops17h 55m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Hilo to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hilo to San Diego in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hilo-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hilo-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hilo-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hilo-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hilo-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hilo to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Hilo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hilo to San Diego

What is the cheapest month to book a flight from Hilo to San Diego?

Currently, August is the cheapest month in which you can book a flight from Hilo to San Diego (average of $286). Flying from Hilo to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ITO to SAN?

Find hourly flight availability from Hilo to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Hilo to San Diego at noon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated marzo 28, 2025.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Hilo to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Hilo to San Diego round-trip?

    Cheapflights users have booked flights from Hilo to San Diego round-trip from $438. Other airlines that can offer you cheap pricing are Alaska Airlines, from $488, and United Airlines, from $1,022. Southwest is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Hilo to San Diego one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $209. Users have also found prices from $254 and $257 on Alaska Airlines and Southwest, respectively.

  • Can I find deals for flights from Hilo to San Diego that include hotel bookings?

    Yes. In addition to deals on Hilo to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hilo to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hilo to San Diego.

  • Can I find deals for business class flights from Hilo to San Diego?

    Yes. Cheapflights offers flight deals from Hilo to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hilo to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Hilo to San Diego (average of $286). Flying from Hilo to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hilo to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Las Vegas flights
Honolulu to Los Angeles flights
Honolulu to Ontario flights
Honolulu to San Francisco flights
Honolulu to San Diego flights
Honolulu to San Jose flights
Kahului to Las Vegas flights
Kahului to Los Angeles flights
Kailua-Kona to Los Angeles flights
Honolulu to Long Beach flights
Honolulu to Sacramento flights
Kailua-Kona to Las Vegas flights
Honolulu to Oakland flights
Honolulu to Santa Ana flights
Kahului to Sacramento flights
Lihue to Los Angeles flights
Kahului to San Diego flights
Kailua-Kona to Sacramento flights
Kahului to San Francisco flights
Hilo to Los Angeles flights
Lihue to San Francisco flights
Honolulu to Reno flights
Lihue to Las Vegas flights
Kahului to Ontario flights
Honolulu to Burbank flights
Kailua-Kona to Ontario flights
Kailua-Kona to San Francisco flights
Hilo to Las Vegas flights
Kahului to San Jose flights
Honolulu to Palm Springs flights
Lihue to Oakland flights
Kailua-Kona to San Diego flights
Lihue to Ontario flights
Honolulu to Fresno flights
Kailua-Kona to Oakland flights
Lihue to Sacramento flights
Kahului to Oakland flights
Lihue to Reno flights
Hilo to Ontario flights
Kahului to Reno flights
Kailua-Kona to Santa Ana flights
Lihue to San Diego flights
Kailua-Kona to San Jose flights
Honolulu to Medford flights
Kahului to Long Beach flights
Hilo to San Francisco flights
Lihue to Santa Ana flights
Honolulu to Monterey flights
Kailua-Kona to Palm Springs flights
Hilo to Sacramento flights

Top 2 airlines flying from Hilo to San Diego

Discover the top 2 airlines that operate flights from Hilo to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$294Average$533FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$339Average$591FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.