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$141+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$358
(Alaska Airlines)

One-way from

$141
(Alaska Airlines)

Popular in

March

Cheapest in

May

Average price

$699
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. 19% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/159:00 pmITO - SAN
2 stops12h 56mAlaska Airlines
Thu 9/2512:30 pmSAN - ITO
1 stop9h 00mAlaska Airlines
Deal found 7/29$358
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 8/276:00 amITO - SAN
2 stops10h 55mSouthwest
Wed 9/39:35 amSAN - ITO
2 stops11h 35mSouthwest
Deal found 7/28$471
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/208:36 amITO - SAN
1 stop7h 45mHawaiian Airlines
Sat 8/239:00 amSAN - ITO
1 stop10h 56mHawaiian Airlines
Deal found 7/28$495
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amITO - SAN
2 stops15h 15mUnited Airlines
Sun 10/266:15 amSAN - ITO
3 stops14h 25mUnited Airlines
Deal found 7/28$553
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:00 pmITO - SAN
2 stops10h 55mAmerican Airlines
Wed 9/39:45 amSAN - ITO
3 stops15h 32mAmerican Airlines
Deal found 7/28$1,153
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:32 pmITO - SAN
2 stops17h 40mMultiple Airlines
Mon 10/276:15 amSAN - ITO
3 stops14h 25mMultiple Airlines
Deal found 7/28$3,494

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 July 29, 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

Mon 9/15

9:00 pm-12:56 pm

2 stops12h 56m

San Diego

Thu 9/25

12:30 pm-6:30 pm

1 stop9h 00m

$358

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 8/27

6:00 am-7:55 pm

2 stops10h 55m

San Diego

Wed 9/3

9:35 am-6:10 pm

2 stops11h 35m

$471

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 8/20

8:36 am-7:21 pm

1 stop7h 45m

San Diego

Sat 8/23

9:00 am-4:56 pm

1 stop10h 56m

$495

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Thu 10/23

6:00 am-12:15 am

2 stops15h 15m

San Diego

Sun 10/26

6:15 am-5:40 pm

3 stops14h 25m

$553

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 8/27

7:00 pm-8:55 am

2 stops10h 55m

San Diego

Wed 9/3

9:45 am-10:17 pm

3 stops15h 32m

$1,153

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Fri 10/24

12:32 pm-9:12 am

2 stops17h 40m

San Diego

Mon 10/27

6:15 am-5:40 pm

3 stops14h 25m

$3,494

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Tue 9/9

7:00 pm-4:30 pm

1 stop18h 30m

$141

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Sat 8/30

6:00 am-8:55 pm

1 stop11h 55m

$174

HiloSan Diego

ITO - SAN

ITOSAN

Hilo Intl

Wed 8/13

7:00 pm-8:16 pm

2 stops22h 16m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 29, 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.

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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines 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
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

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

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

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
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

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
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

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 $358. Other airlines that can offer you cheap pricing are Southwest, from $471, and Hawaiian Airlines, from $495. Alaska Airlines is 39% 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 $141. Users have also found prices from $174 and $382 on Southwest and United 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 San Diego?

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

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$220Average$511FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$348Average$584FlexibilityNo cancel feeOn-time63%

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