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$124+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 2/36:44 pm
ITO
-
SAN
1 stop10h 12m
Multiple Airlines
Wed 2/42:29 pm
SAN
-
ITO
1 stop8h 55m
Multiple Airlines
Deal found 1/27$362
This Southwest deal was found by Cheapflights users on 1/28. 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.
Sat 1/316:00 am
ITO
-
SAN
1 stop7h 40m
Southwest
Fri 2/68:45 am
SAN
-
ITO
1 stop11h 25m
Southwest
Deal found 1/28$427
This Southwest deal was found by Cheapflights users on 1/28. 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.
Thu 2/1211:20 am
ITO
-
SAN
1 stop7h 40m
Southwest
Mon 2/168:45 am
SAN
-
ITO
1 stop14h 55m
Southwest
Deal found 1/28$486
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:57 am
ITO
-
SAN
1 stop8h 45m
Alaska Airlines
Wed 4/225:10 pm
SAN
-
ITO
1 stop16h 58m
Alaska Airlines
Deal found 1/28$491
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:57 am
ITO
-
SAN
2 stops12h 07m
Multiple Airlines
Wed 4/225:10 pm
SAN
-
ITO
1 stop16h 58m
Multiple Airlines
Deal found 1/28$501

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$486
(Southwest)

One-way from

$124
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$431
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. 8% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Thu 2/12

11:20 am-9:00 pm

1 stop7h 40m

San Diego

Mon 2/16

8:45 am-9:40 pm

1 stop14h 55m

$486

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Fri 4/17

8:57 am-8:42 pm

1 stop8h 45m

San Diego

Wed 4/22

5:10 pm-7:08 am

1 stop16h 58m

$491

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Fri 4/17

8:57 am-12:04 am

2 stops12h 07m

San Diego

Wed 4/22

5:10 pm-7:08 am

1 stop16h 58m

$501

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 3/4

7:36 pm-7:15 am

1 stop9h 39m

$124

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Tue 3/3

7:36 pm-7:15 am

1 stop9h 39m

$134

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 2/25

8:30 pm-7:15 am

1 stop8h 45m

$134

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Tue 2/24

6:44 pm-9:49 am

2 stops13h 05m

$164

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Mon 3/2

6:44 pm-9:59 am

2 stops13h 15m

$174

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Mon 4/27

6:44 pm-12:04 pm

2 stops14h 20m

$174

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 2/4

8:59 am-8:23 pm

1 stop9h 24m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 11 results
1
2
  • 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, February is the cheapest month in which you can book a flight from Hilo to San Diego (average of $140). Flying from Hilo to San Diego in June is currently the most expensive (average of $467). 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.

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 January 29, 2026.
See what other customers who have flown with Alaska Airlines and Southwest from Hilo to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,805 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,805 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from Hilo to San Diego?

    Departing from Hilo to San Diego will take you 7h 40m. Airlines will cover a distance of 2494 mi. This flight may include one or multiple stops.

  • 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 $315. Another airline that can offer you cheap pricing is Alaska Airlines. Southwest is 43% 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 Alaska Airlines. According to our data, you can fly for as low as $124. Users have also found prices from $174 and $200 on Hawaiian 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, February is the cheapest month in which you can book a flight from Hilo to San Diego (average of $140). Flying from Hilo to San Diego in June is currently the most expensive (average of $467). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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Alternative routes for Hilo to San Diego

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$315Average$599FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$344Average$478FlexibilityNo cancel feeOn-time75%

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