$211+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
Apr 15 — Apr 221
Round-trip
1 adult, Economy
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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
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Cheapest
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 March 16, 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 March 16, 2026.
This Southwest deal was found by Cheapflights users on 3/11. 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 4/233:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Mon 4/277:20 am
SAN
- ITO
2 stops13h 50m
Southwest
Deal found 3/11![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 3/14. 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 4/153:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Tue 4/288:40 am
SAN
- ITO
1 stop12h 30m
Southwest
Deal found 3/14![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 3/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
ITO
- SAN
2 stops10h 20m
Southwest
Tue 5/128:15 am
SAN
- ITO
2 stops12h 55m
Southwest
Deal found 3/15![Southwest logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/297:44 pm
ITO
- SAN
1 stop7h 56m
Multiple Airlines
Wed 5/610:51 am
SAN
- ITO
2 stops13h 42m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$427
This Expedia deal was found by Cheapflights users on 3/14. 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.
Wed 9/27:52 pm
ITO
- SAN
1 stop7h 58m
Alaska Airlines
Tue 9/812:30 pm
SAN
- ITO
1 stop8h 50m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 9/27:29 am
ITO
- SAN
1 stop10h 01m
Multiple Airlines
Tue 9/811:52 am
SAN
- ITO
2 stops13h 04m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$445
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:44 pm
ITO
- SAN
1 stop7h 56m
Multiple Airlines
Tue 5/1210:51 am
SAN
- ITO
2 stops13h 42m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$452
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 March 16, 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 March 16, 2026.
This Southwest deal was found by Cheapflights users on 3/11. 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 4/233:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Mon 4/277:20 am
SAN
- ITO
2 stops13h 50m
Southwest
Deal found 3/11![Southwest logo]()
$362
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:45 pm
ITO
- SAN
1 stop11h 35m
Multiple Airlines
Tue 4/287:15 am
SAN
- ITO
2 stops13h 24m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 3/14. 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 4/153:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Tue 4/287:25 am
SAN
- ITO
2 stops13h 45m
Southwest
Deal found 3/14![Southwest logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/215:57 pm
ITO
- SAN
1 stop10h 23m
Multiple Airlines
Wed 4/222:18 pm
SAN
- ITO
1 stop7h 55m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 3/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Tue 5/128:15 am
SAN
- ITO
2 stops12h 55m
Southwest
Deal found 3/15![Southwest logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 5/55:59 pm
ITO
- SAN
1 stop9h 41m
Multiple Airlines
Tue 5/1210:25 am
SAN
- ITO
1 stop10h 14m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$491
Last-minute flights from Hilo to San DiegoDiscover last-minute flight deals from Hilo to San Diego. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from Hilo to San Diego. Data last updated March 16, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/14. 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 4/153:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Tue 4/288:40 am
SAN
- ITO
1 stop12h 30m
Southwest
Deal found 3/14![Southwest logo]()
$395
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:45 pm
ITO
- SAN
1 stop11h 35m
Multiple Airlines
Tue 4/287:15 am
SAN
- ITO
2 stops13h 24m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/215:57 pm
ITO
- SAN
1 stop10h 23m
Multiple Airlines
Wed 4/222:18 pm
SAN
- ITO
1 stop7h 55m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 3/11. 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 4/233:30 pm
ITO
- SAN
1 stop11h 25m
Southwest
Mon 4/277:20 am
SAN
- ITO
2 stops13h 50m
Southwest
Deal found 3/11![Southwest logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/297:44 pm
ITO
- SAN
1 stop7h 56m
Multiple Airlines
Wed 5/610:51 am
SAN
- ITO
2 stops13h 42m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$427
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 March 16, 2026.
Search for one-way flight options from Hilo to San Diego. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This Southwest deal was found by Cheapflights users on 3/13. 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 4/166:00 am
ITO
- SAN
1 stop7h 40m
Southwest
Deal found 3/13![Southwest logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 8/197:52 pm
ITO
- SAN
1 stop7h 58m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$216
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 8/196:00 am
ITO
- SAN
2 stops11h 07m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 3/14. 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 6/46:00 am
ITO
- SAN
1 stop7h 35m
Southwest
Deal found 3/14![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 3/16. 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.
Wed 4/156:00 am
ITO
- SAN
1 stop7h 40m
Southwest
Deal found 3/16![Southwest logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:23 am
ITO
- SAN
1 stop9h 43m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 3/11. 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 7/93:30 pm
ITO
- SAN
1 stop12h 05m
Southwest
Deal found 3/11![Southwest logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/156:44 pm
ITO
- SAN
1 stop9h 36m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$293
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $362 (Southwest) |
One-way from | $211 (Southwest) |
Popular in | March |
Cheapest in | February |
Average price | $871 |
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 March 16, 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 4/23
3:30 pm-5:55 am
1 stop11h 25m
San Diego
Mon 4/27
7:20 am-6:10 pm
2 stops13h 50m
$362
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 4/15
3:30 pm-5:55 am
1 stop11h 25m
San Diego
Tue 4/28
7:25 am-6:10 pm
2 stops13h 45m
$441
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Tue 5/5
3:30 pm-5:55 am
1 stop11h 25m
San Diego
Tue 5/12
8:15 am-6:10 pm
2 stops12h 55m
$448
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 4/15
4:45 pm-7:20 am
1 stop11h 35m
San Diego
Tue 4/28
7:15 am-5:39 pm
2 stops13h 24m
$466
Quickest round-trip
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Tue 4/21
5:57 pm-7:20 am
1 stop10h 23m
San Diego
Wed 4/22
2:18 pm-7:13 pm
1 stop7h 55m
$472
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Tue 5/5
5:59 pm-6:40 am
1 stop9h 41m
San Diego
Tue 5/12
10:25 am-5:39 pm
1 stop10h 14m
$491
Cheapest one-way
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Thu 4/16
6:00 am-4:40 pm
1 stop7h 40m
$211
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 8/19
6:00 am-8:07 pm
2 stops11h 07m
$228
Quickest one-way
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Thu 6/4
6:00 am-4:35 pm
1 stop7h 35m
$248
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 4/15
6:00 am-4:40 pm
1 stop7h 40m
$268
Showing 1-10 of 15 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 March 16, 2026.
See what other customers who have flown with Southwest and Alaska 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.
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - 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
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Hilo and San Diego flights
Browse other Hilo and San Diego flight options. Last updated on March 16, 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 March 16, 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 March 16, 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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$315 | Average$540 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$344 | Average$478 | FlexibilityNo cancel fee | On-time75% |