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$259+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
mai 21 — mai 281
K 5/21
K 5/28
1 adult, Economy
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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 mai 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$501
(Hawaiian Airlines)

One-way from

$259
(Hawaiian Airlines)

Popular in

March

Cheapest in

May

Average price

$348
Provider with most accurate pricing for Hilo Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Hilo Intl-San Diego flights.
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From Hilo Intl to San Diego
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One-way flight from Hilo Intl to San Diego
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Highest demand for flights based on searches. 17% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 mai 16, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 5/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
N 9/116:10 pmITO - SAN
1 stop10h 00mHawaiian Airlines
P 9/149:00 amSAN - ITO
1 stop13h 28mHawaiian Airlines
Deal found 5/15$501
This United Airlines deal was found by Cheapflights users on 5/15. 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.
N 9/116:00 amITO - SAN
2 stops15h 15mUnited Airlines
P 9/146:15 amSAN - ITO
2 stops13h 42mUnited Airlines
Deal found 5/15$563
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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.
N 9/119:00 pmITO - SAN
2 stops18h 53mAlaska Airlines
P 9/145:45 pmSAN - ITO
1 stop18h 18mAlaska Airlines
Deal found 5/15$607
This Southwest deal was found by Cheapflights users on 5/16. 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.
P 6/156:00 amITO - SAN
1 stop7h 35mSouthwest
R 6/271:00 pmSAN - ITO
2 stops11h 40mSouthwest
Deal found 5/16$664
This American Airlines deal was found by Cheapflights users on 5/15. 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.
N 9/114:28 pmITO - SAN
2 stops16h 05mMultiple Airlines
P 9/146:36 amSAN - ITO
3 stops14h 01mMultiple Airlines
Deal found 5/15$1,276

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 mai 16, 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

N 9/11

6:10 pm-7:10 am

1 stop10h 00m

San Diego

P 9/14

9:00 am-7:28 pm

1 stop13h 28m

$501

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

N 9/11

6:00 am-12:15 am

2 stops15h 15m

San Diego

P 9/14

6:15 am-4:57 pm

2 stops13h 42m

$563

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

N 9/11

9:00 pm-6:53 pm

2 stops18h 53m

San Diego

P 9/14

5:45 pm-9:03 am

1 stop18h 18m

$607

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

P 6/15

6:00 am-4:35 pm

1 stop7h 35m

San Diego

R 6/27

1:00 pm-9:40 pm

2 stops11h 40m

$664

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

N 9/11

4:28 pm-11:33 am

2 stops16h 05m

San Diego

P 9/14

6:36 am-5:37 pm

3 stops14h 01m

$1,276

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

E 9/15

7:49 am-9:00 pm

1 stop10h 11m

$259

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

K 6/18

6:00 am-8:55 pm

1 stop11h 55m

$264

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

T 6/10

8:25 am-7:35 am

1 stop20h 10m

$269

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

N 5/22

6:00 am-12:15 am

2 stops15h 15m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

  • 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 mai 16, 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 mai 16, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,291 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,437 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $501. Other airlines that can offer you cheap pricing are United Airlines, from $563, and Alaska Airlines, from $607. Hawaiian Airlines is 16% 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 $259. Users have also found prices from $264 and $269 on Southwest and Alaska Airlines, 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

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Alternative routes for Hilo to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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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 mai 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$220Average$636FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$348Average$584FlexibilityNo cancel feeOn-time63%

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