$144 Cheap Flights from Kailua-Kona (KOA) to San Diego (SAN)

View $144 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)

Cheap Flights from Kailua-Kona to San Diego (KOA-SAN)

Prices were available within the past 7 days and start at $144 for one-way flights and $288 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Sep 29 - Wed, Oct 1
KOA
Kona Coast
SAN
San Diego
$288 Roundtrip, found 3 days ago
$288
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Sep 29 from Kona Coast to San Diego, returning Wed, Oct 1, priced at $288 found 3 days ago
Southwest Airlines
Wed, Aug 13 - Wed, Aug 20
KOA
Kona Coast
SAN
San Diego
$293 Roundtrip, found 1 hour ago
$293
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Aug 13 from Kona Coast to San Diego, returning Wed, Aug 20, priced at $293 found 1 hour ago
Southwest Airlines
Wed, Aug 13 - Wed, Aug 20
KOA
Kona Coast
SAN
San Diego
$294 Roundtrip, found 1 hour ago
$294
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Aug 13 from Kona Coast to San Diego, returning Wed, Aug 20, priced at $294 found 1 hour ago
American Airlines
Thu, Aug 21 - Wed, Aug 27
KOA
Kona Coast
CLD
Carlsbad
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 21 from Kona Coast to Carlsbad, returning Wed, Aug 27, priced at $297 found 1 day ago
Delta
Wed, Aug 13 - Wed, Aug 20
KOA
Kona Coast
SAN
San Diego
$297 Roundtrip, found 1 hour ago
$297
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Aug 13 from Kona Coast to San Diego, returning Wed, Aug 20, priced at $297 found 1 hour ago
United
Mon, Oct 27 - Tue, Nov 4
KOA
Kona Coast
SAN
San Diego
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 27 from Kona Coast to San Diego, returning Tue, Nov 4, priced at $297 found 1 day ago
Delta
Wed, Aug 13 - Wed, Aug 20
KOA
Kona Coast
SAN
San Diego
$299 Roundtrip, found 1 hour ago
$299
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Aug 13 from Kona Coast to San Diego, returning Wed, Aug 20, priced at $299 found 1 hour ago
Southwest Airlines
Tue, Sep 30 - Thu, Oct 2
KOA
Kona Coast
SAN
San Diego
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Sep 30 from Kona Coast to San Diego, returning Thu, Oct 2, priced at $299 found 3 days ago
Hawaiian Airlines
Mon, Sep 15 - Tue, Sep 16
KOA
Kona Coast
SAN
San Diego
$302 Roundtrip, found 2 days ago
$302
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 15 from Kona Coast to San Diego, returning Tue, Sep 16, priced at $302 found 2 days ago
United
Tue, Sep 9 - Thu, Sep 11
KOA
Kona Coast
SAN
San Diego
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 9 from Kona Coast to San Diego, returning Thu, Sep 11, priced at $303 found 3 days ago

Find the cheapest month to fly from Kailua-Kona (KOA) to San Diego (SAN)

September is typically the cheapest month to fly

From $196 - $432 per traveler.

Graph displaying average flight prices per month

Flights from Kailua-Kona (KOA) to San Diego (SAN)
Origin airport
Kona Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$288
Distance
2551 mi
Average flight time
6 hours 26 mins

Kailua-Kona to San Diego Flights

The cheapest times to fly from Kailua-Kona 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 Kailua-Kona to San Diego are during the month of September. You can find some of the cheapest flights from Kailua-Kona to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kailua-Kona to San Diego

Sunday is one of the best days to book for cheap flights from Kailua-Kona 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 Kailua-Kona 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 Kailua-Kona to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $144 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 Kailua-Kona 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 Kailua-Kona 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 Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN) cost?
Snag cheap return tickets starting from $338 from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving KOA on July 3 2025 and touching down at SAN. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from KOA to SAN?
The cheapest flights from KOA 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 Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
Fly directly from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN) on an Alaska Airlines flight.
What is the cheapest airline that flies from KOA to SAN?
With prices starting from $169 for a one-way journey from KOA to SAN, Alaska Airlines is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KOA on September 25 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
On average you can take your pick of 4 direct flights every week from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN). For greater flexibility, consider a flight with a layover. Just enter your details on Expedia and then filter your search to include one or two stops.
What are the most popular departure times for flights from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
More passengers fly between KOA and SAN at 12 PM than at any other time of day. Prefer a quieter experience? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from KOA to SAN?
Fly on a Friday if you're looking for the best choice of flights from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN).
What is the earliest flight from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
Kona Intl. Airport (KOA)'s earliest flight to San Diego Intl. Airport (SAN) takes off at approximately 12:23PM UTC-10. With a flight time of 5h 21m, you'll arrive at around 7:44PM UTC-8.
How long does it take to fly from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
The average flight time from KOA to SAN is 5 hours and 21 minutes, covering a distance of 2,600 mi.
What airline has the least delays from KOA to SAN?
Alaska Airlines has the best track record for on-time direct flights from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN), with an on-time score of 82%. Use the Expedia App to see your journey status before you head off and get real-time updates about any trip changes.
What is the best time to fly from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
To land at San Diego Intl. Airport (SAN) without delays, choose a flight that takes off from Kona Intl. Airport (KOA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Kona Intl. Airport (KOA)?
San Diego Intl. Airport (SAN) is the only airport in San Diego with direct flights from Kona Intl. Airport (KOA). Check out the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN) last-minute?
Last-minute bookings from KOA to SAN are usually more expensive. To lock in the best rates, start looking for flights early. That said, if your travel plans are flexible, you may score a cheap ticket right before your journey.
Is it cheaper to book a KOA to SAN flight and hotel package?
You'll generally save money by securing a KOA to SAN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN)?
Typically, you can reschedule or cancel your KOA to SAN flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.