$154+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Best
Last-minute
One-way
Cheapest flights from Hilo to San DiegoExplore 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 June 10, 2026.
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 June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 9/188:45 pm
ITO
- SAN
1 stop7h 40m
Southwest
Fri 9/256:35 am
SAN
- ITO
1 stop9h 00m
Southwest
Deal found 6/10![Southwest logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 9/228:28 am
ITO
- SAN
2 stops11h 31m
Multiple Airlines
Thu 9/246:55 am
SAN
- ITO
2 stops13h 31m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/5. 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 8/193:30 pm
ITO
- SAN
1 stop11h 50m
Southwest
Wed 8/269:35 am
SAN
- ITO
1 stop7h 55m
Southwest
Deal found 6/5![Southwest logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 9/176:49 pm
ITO
- SAN
2 stops12h 19m
Multiple Airlines
Sun 9/206:55 am
SAN
- ITO
2 stops11h 18m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 8/208:45 pm
ITO
- SAN
2 stops10h 23m
Multiple Airlines
Thu 8/276:55 am
SAN
- ITO
2 stops13h 31m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:26 am
ITO
- SAN
2 stops10h 33m
Multiple Airlines
Thu 8/2712:45 pm
SAN
- ITO
1 stop7h 41m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$433
Best flights from Hilo to San DiegoDiscover carefully curated flight deals from Hilo to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Hilo to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 9/177:44 pm
ITO
- SAN
2 stops11h 24m
Multiple Airlines
Sun 9/206:55 am
SAN
- ITO
2 stops11h 18m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$410
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 9/246:00 am
ITO
- SAN
1 stop7h 00m
Alaska Airlines
Mon 9/289:00 am
SAN
- ITO
1 stop10h 12m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 8/208:45 pm
ITO
- SAN
2 stops10h 23m
Multiple Airlines
Wed 8/266:55 am
SAN
- ITO
2 stops12h 17m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 9/227:35 am
ITO
- SAN
1 stop10h 24m
Multiple Airlines
Thu 9/2412:45 pm
SAN
- ITO
1 stop7h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 8/228:45 pm
ITO
- SAN
2 stops10h 23m
Multiple Airlines
Wed 8/2612:30 pm
SAN
- ITO
1 stop10h 43m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 9/248:45 pm
ITO
- SAN
2 stops10h 23m
Multiple Airlines
Mon 9/289:00 am
SAN
- ITO
1 stop8h 25m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$445
Last-minute flights from Hilo to San DiegoDiscover last-minute flight deals from Hilo to San Diego. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Hilo to San Diego. Data last updated June 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/9. 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 6/106:00 am
ITO
- SAN
1 stop7h 35m
Southwest
Fri 6/128:40 am
SAN
- ITO
1 stop12h 30m
Southwest
Deal found 6/9![Southwest logo]()
$632
This Southwest deal was found by Cheapflights users on 6/8. 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.
Tue 6/233:30 pm
ITO
- SAN
1 stop11h 20m
Southwest
Sat 6/277:05 am
SAN
- ITO
2 stops14h 05m
Southwest
Deal found 6/8![Southwest logo]()
$585
This Southwest deal was found by Cheapflights users on 6/5. 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 7/16:00 am
ITO
- SAN
1 stop7h 35m
Southwest
Sun 7/58:40 am
SAN
- ITO
1 stop8h 50m
Southwest
Deal found 6/5![Southwest logo]()
$545
This Southwest deal was found by Cheapflights users on 6/6. 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 7/16:00 am
ITO
- SAN
1 stop7h 35m
Southwest
Wed 7/228:30 am
SAN
- ITO
2 stops12h 40m
Southwest
Deal found 6/6![Southwest logo]()
$555
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:26 pm
ITO
- SAN
1 stop9h 06m
Multiple Airlines
Wed 7/225:16 pm
SAN
- ITO
1 stop7h 43m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$612
This Southwest deal was found by Cheapflights users on 6/5. 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 7/26:00 am
ITO
- SAN
1 stop7h 35m
Southwest
Sun 7/58:40 am
SAN
- ITO
1 stop8h 50m
Southwest
Deal found 6/5![Southwest logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:44 pm
ITO
- SAN
1 stop7h 48m
Multiple Airlines
Sun 7/265:16 pm
SAN
- ITO
1 stop7h 43m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$521
One-way flights from Hilo to San DiegoSearch for one-way flight options from Hilo to San Diego. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Hilo to San Diego. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/213:30 pm
ITO
- SAN
1 stop11h 20m
Southwest
Deal found 6/10![Southwest logo]()
$228
This Southwest deal was found by Cheapflights users on 6/9. 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.
Mon 6/156:00 am
ITO
- SAN
1 stop7h 35m
Southwest
Deal found 6/9![Southwest logo]()
$310
This deal was found by Cheapflights users on 6/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 am
ITO
- SAN
1 stop7h 01m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:45 pm
ITO
- SAN
3 stops47h 26m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$675
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $322 (Southwest) |
One-way from | $228 (Southwest) |
Popular in | March |
Cheapest in | February |
Average price | $628 |
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 June 10, 2026.
Use the filters below to find and compare flights from Hilo to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Thu 9/17
7:44 pm-10:08 am
2 stops11h 24m
San Diego
Sun 9/20
6:55 am-3:13 pm
2 stops11h 18m
$410
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Thu 8/20
8:45 pm-10:08 am
2 stops10h 23m
San Diego
Wed 8/26
6:55 am-4:12 pm
2 stops12h 17m
$425
Quickest round-trip
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Thu 9/24
6:00 am-4:00 pm
1 stop7h 00m
San Diego
Mon 9/28
9:00 am-4:12 pm
1 stop10h 12m
$435
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Tue 9/22
7:35 am-8:59 pm
1 stop10h 24m
San Diego
Thu 9/24
12:45 pm-5:26 pm
1 stop7h 41m
$435
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Sat 8/22
8:45 pm-10:08 am
2 stops10h 23m
San Diego
Wed 8/26
12:30 pm-8:13 pm
1 stop10h 43m
$445
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Thu 9/24
8:45 pm-10:08 am
2 stops10h 23m
San Diego
Mon 9/28
9:00 am-2:25 pm
1 stop8h 25m
$445
Cheapest one-way
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 9/30
6:55 pm-6:45 am
1 stop8h 50m
$154
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 9/30
7:44 pm-10:30 am
2 stops11h 46m
$198
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Sun 11/1
8:45 pm-6:50 am
1 stop8h 05m
$205
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Tue 7/21
3:30 pm-5:50 am
1 stop11h 20m
$228
Showing 1-10 of 13 resultsSorted by cheapest first
- 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.
ITO-SAN
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
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 June 10, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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Find flights from Hilo to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hilo and San Diego flights
Browse other Hilo and San Diego flight options. Last updated on June 10, 2026.
Other flights from Hilo
Browse through other flights departing from Hilo. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$315 | Average$514 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$344 | Average$476 | FlexibilityNo cancel fee | On-time75% |