$149 Cheap Flights from Honolulu (HNL) to San Diego (SAN)

Popular airlines from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Honolulu to San Diego (HNL-SAN)

Prices were available within the past 7 days and start at $149 for one-way flights and $292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Alaska Airlines
Southwest Airlines
Hawaiian Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
United
American Airlines

Find the cheapest month to fly from Honolulu (HNL) to San Diego (SAN)

September is typically the cheapest month to fly

From $197 - $347 per traveler.

Graph displaying average flight prices per month

Flights from Honolulu (HNL) to San Diego (SAN)
Origin airport
Daniel K. Inouye Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$292
Distance
2609 mi
Average flight time
8 hours 30 mins

Honolulu to San Diego Flights

The cheapest times to fly from Honolulu to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Honolulu to San Diego are during the month of September. You can find some of the cheapest flights from Honolulu to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Honolulu to San Diego

Sunday is one of the best days to book for cheap flights from Honolulu to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Honolulu to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Honolulu to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Honolulu to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Honolulu to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from HNL to SAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HNL to SAN?
The cheapest flights from HNL to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
Skip the stopovers and travel straight from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN) with 3 airlines, including:

  • Southwest Airlines
  • Alaska Airlines
  • Hawaiian Airlines

What is the cheapest airline that flies from HNL to SAN?
Right now, the cheapest carrier operating one-way flights from HNL to SAN is Hawaiian Airlines. You can take off on this route from $149. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HNL on September 24 2025. Prices were last updated on June 29 2025 and have not changed since.
How many flights per day from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
When departing from Daniel K. Inouye Intl. Airport (HNL), you can choose from an average of 4 daily nonstop flights to San Diego Intl. Airport (SAN).
What are the most popular departure times for flights from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
Flights between HNL and SAN are their busiest at 12 PM. If you want a more relaxed trip and possibly cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from HNL to SAN?
Friday has the most flights from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN). Consider leaving on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
Daniel K. Inouye Intl. Airport (HNL)'s first flight to San Diego Intl. Airport (SAN) takes off at approximately 8:20AM UTC-10. With a travel time of 5h 30m, you'll land at around 3:50PM UTC-8.
How long does it take to fly from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
Flights from HNL to SAN have an average travel time of 5 hours and 26 minutes. The distance between these two airports is 2,600 mi.
What airline has the least delays from HNL to SAN?
With 92% of journeys generally arriving on schedule, Southwest Airlines has the best on-time performance for nonstop flights from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN). To monitor your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
To avoid possible delays on the Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego from Daniel K. Inouye Intl. Airport (HNL)?
San Diego Intl. Airport (SAN) is the only airport in San Diego with direct flights from Daniel K. Inouye Intl. Airport (HNL). Explore your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN) last-minute?
Last-minute fares from HNL to SAN are typically more expensive. To secure the cheapest rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a HNL to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a HNL to SAN flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Daniel K. Inouye Intl. Airport (HNL) to San Diego Intl. Airport (SAN)?
It's usually possible to reschedule or cancel your HNL to SAN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.