$174+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SAN
Aug 27 — Sep 31
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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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 July 28, 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 July 28, 2026.
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:28 am
ITO
- SAN
2 stops11h 31m
Multiple Airlines
Tue 9/2910:28 am
SAN
- ITO
1 stop10h 49m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$386
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:28 am
ITO
- SAN
1 stop9h 51m
Multiple Airlines
Sun 9/612:45 pm
SAN
- ITO
1 stop9h 27m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$387
This Booking.com deal was found by Cheapflights users on 7/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:26 am
ITO
- SAN
2 stops19h 55m
Multiple Airlines
Wed 9/303:16 pm
SAN
- ITO
2 stops18h 47m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 9/298:28 am
ITO
- SAN
2 stops11h 31m
Multiple Airlines
Wed 9/309:00 am
SAN
- ITO
1 stop8h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$408
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:44 pm
ITO
- SAN
2 stops12h 02m
Multiple Airlines
Thu 9/245:15 pm
SAN
- ITO
1 stop16h 48m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$417
This CheapOair deal was found by Cheapflights users on 7/26. 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 9/98:45 pm
ITO
- SAN
1 stop16h 15m
Alaska Airlines
Fri 9/115:15 pm
SAN
- ITO
1 stop16h 48m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$421
This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
ITO
- SAN
1 stop7h 00m
Alaska Airlines
Thu 8/279:00 am
SAN
- ITO
1 stop10h 12m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$429
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 July 28, 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 July 28, 2026.
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:28 am
ITO
- SAN
2 stops11h 31m
Multiple Airlines
Tue 9/2910:28 am
SAN
- ITO
1 stop10h 49m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$386
This CheapOair deal was found by Cheapflights users on 7/26. 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 9/98:45 pm
ITO
- SAN
1 stop16h 15m
Alaska Airlines
Fri 9/115:15 pm
SAN
- ITO
1 stop16h 48m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$421
This Booking.com deal was found by Cheapflights users on 7/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:26 am
ITO
- SAN
2 stops19h 55m
Multiple Airlines
Wed 9/303:16 pm
SAN
- ITO
2 stops18h 47m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 9/298:28 am
ITO
- SAN
2 stops11h 31m
Multiple Airlines
Wed 9/309:00 am
SAN
- ITO
1 stop8h 25m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$410
This CheapOair deal was found by Cheapflights users on 7/24. 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 9/98:45 pm
ITO
- SAN
1 stop16h 15m
Multiple Airlines
Fri 9/1112:45 pm
SAN
- ITO
1 stop10h 28m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$421
Last-minute flights from Hilo to San DiegoDiscover last-minute flight deals from Hilo to San Diego. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Hilo to San Diego. Data last updated July 28, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/24. 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.
Tue 7/287:02 pm
ITO
- SAN
2 stops16h 16m
Multiple Airlines
Thu 8/135:15 pm
SAN
- ITO
2 stops16h 48m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$534
This CheapOair deal was found by Cheapflights users on 7/26. 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.
Thu 8/208:45 pm
ITO
- SAN
1 stop16h 15m
Multiple Airlines
Sun 8/2312:45 pm
SAN
- ITO
1 stop9h 27m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 8/206:49 pm
ITO
- SAN
2 stops11h 01m
American Airlines
Sun 8/237:15 pm
SAN
- ITO
2 stops22h 10m
American Airlines
Deal found 7/26![American Airlines logo]()
$563
This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
ITO
- SAN
1 stop7h 00m
Alaska Airlines
Thu 8/279:00 am
SAN
- ITO
1 stop10h 12m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$429
This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
ITO
- SAN
1 stop7h 00m
Multiple Airlines
Thu 8/277:15 am
SAN
- ITO
2 stops14h 57m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$459
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:28 am
ITO
- SAN
2 stops20h 53m
Multiple Airlines
Thu 8/279:00 am
SAN
- ITO
1 stop10h 12m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$485
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:45 pm
ITO
- SAN
1 stop16h 15m
Alaska Airlines
Mon 9/79:00 am
SAN
- ITO
1 stop10h 12m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$477
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:45 pm
ITO
- SAN
2 stops13h 43m
Multiple Airlines
Mon 9/79:00 am
SAN
- ITO
1 stop10h 58m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$487
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 July 28, 2026.
Search for one-way flight options from Hilo to San Diego. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:55 pm
ITO
- SAN
1 stop9h 00m
Southwest
Deal found 7/27![Southwest logo]()
$174
This Southwest deal was found by Cheapflights users on 7/26. 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 9/258:45 pm
ITO
- SAN
1 stop7h 20m
Southwest
Deal found 7/26![Southwest logo]()
$187
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:59 pm
ITO
- SAN
3 stops18h 24m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 7/25. 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 8/103:30 pm
ITO
- SAN
1 stop11h 45m
Southwest
Deal found 7/25![Southwest logo]()
$278
This Hawaiian Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/49:26 am
ITO
- SAN
1 stop8h 41m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 8/36:49 pm
ITO
- SAN
2 stops12h 16m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 8/67:44 pm
ITO
- SAN
2 stops11h 39m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$373
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $386 (Expedia) |
One-way from | $174 (Southwest) |
Popular in | June |
Cheapest in | February |
Average price | $641 |
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 28, 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
Wed 9/23
8:28 am-10:59 pm
2 stops11h 31m
San Diego
Tue 9/29
10:28 am-6:17 pm
1 stop10h 49m
$386
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Mon 9/14
9:26 am-8:21 am
2 stops19h 55m
San Diego
Wed 9/30
3:16 pm-7:03 am
2 stops18h 47m
$404
Quickest round-trip
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Tue 9/29
8:28 am-10:59 pm
2 stops11h 31m
San Diego
Wed 9/30
9:00 am-2:25 pm
1 stop8h 25m
$410
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 9/9
8:45 pm-4:00 pm
1 stop16h 15m
San Diego
Fri 9/11
5:15 pm-7:03 am
1 stop16h 48m
$421
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 9/9
8:45 pm-4:00 pm
1 stop16h 15m
San Diego
Fri 9/11
12:45 pm-8:13 pm
1 stop10h 28m
$421
Cheapest one-way
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 10/28
6:55 pm-6:55 am
1 stop9h 00m
$174
Quickest one-way
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Fri 9/25
8:45 pm-7:05 am
1 stop7h 20m
$187
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Wed 10/28
2:59 pm-12:23 pm
3 stops18h 24m
$275
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Mon 8/10
3:30 pm-6:15 am
1 stop11h 45m
$278
HiloSan Diego
ITO - SAN
ITOSAN
Hilo Intl
Sat 8/8
3:30 pm-6:15 am
1 stop11h 45m
$323
Showing 1-10 of 12 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.
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 28, 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.
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove
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Hilo and San Diego flights
Browse other Hilo and San Diego flight options. Last updated on July 28, 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 July 28, 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 July 28, 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$315 | Average$560 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$344 | Average$476 | FlexibilityNo cancel fee | On-time75% |