$173 Cheap Flights from San Diego (SAN) to Kailua-Kona (KOA)

View $173 flight on Tue, Sep 9, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $173 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 18 - Fri, Aug 22
SAN
San Diego
KOA
Kona Coast
$341 Roundtrip, found 3 days ago
$341
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 18 from San Diego to Kona Coast, returning Fri, Aug 22, priced at $341 found 3 days ago
United
Wed, Sep 24 - Mon, Sep 29
SAN
San Diego
KOA
Kona Coast
$343 Roundtrip, found 2 days ago
$343
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 24 from San Diego to Kona Coast, returning Mon, Sep 29, priced at $343 found 2 days ago
Southwest Airlines
Tue, Aug 26 - Fri, Sep 5
SAN
San Diego
KOA
Kona Coast
$344 Roundtrip, found 5 days ago
$344
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Aug 26 from San Diego to Kona Coast, returning Fri, Sep 5, priced at $344 found 5 days ago
American Airlines
Tue, Sep 9 - Tue, Sep 16
CLD
Carlsbad
KOA
Kona Coast
$345 Roundtrip, found 2 days ago
$345
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Sep 9 from Carlsbad to Kona Coast, returning Tue, Sep 16, priced at $345 found 2 days ago
United
Wed, Sep 3 - Mon, Sep 8
SAN
San Diego
KOA
Kona Coast
$346 Roundtrip, found 2 days ago
$346
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 3 from San Diego to Kona Coast, returning Mon, Sep 8, priced at $346 found 2 days ago
United
Wed, Sep 24 - Mon, Sep 29
SAN
San Diego
KOA
Kona Coast
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 24 from San Diego to Kona Coast, returning Mon, Sep 29, priced at $347 found 2 days ago
Southwest Airlines
Tue, Aug 26 - Fri, Sep 5
SAN
San Diego
KOA
Kona Coast
$349 Roundtrip, found 5 days ago
$349
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Aug 26 from San Diego to Kona Coast, returning Fri, Sep 5, priced at $349 found 5 days ago
United
Wed, Aug 20 - Mon, Aug 25
SAN
San Diego
KOA
Kona Coast
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from San Diego to Kona Coast, returning Mon, Aug 25, priced at $359 found 2 days ago
Hawaiian Airlines
Wed, May 7 - Wed, May 14
SAN
San Diego
KOA
Kona Coast
$379 Roundtrip, found 5 hours ago
$379
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Wed, May 7 from San Diego to Kona Coast, returning Wed, May 14, priced at $379 found 5 hours ago
Delta
Thu, May 15 - Mon, May 19
SAN
San Diego
KOA
Kona Coast
$380 Roundtrip, found 4 hours ago
$380
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, May 15 from San Diego to Kona Coast, returning Mon, May 19, priced at $380 found 4 hours ago
Flights from San Diego (SAN) to Kailua-Kona (KOA)
Origin airport
San Diego Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$339
Distance
2551 mi

San Diego to Kailua-Kona Flights

The cheapest times to fly from San Diego to Kailua-Kona

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

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

Sunday is one of the best days to book for cheap flights from San Diego to Kailua-Kona: 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 San Diego to Kailua-Kona

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 San Diego to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $173 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 San Diego to Kailua-Kona 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 San Diego to Kailua-Kona 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 San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA) cost?
Cheap round-trip flights from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA) start from $397. 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 SAN on May 7 2025 and touching down at KOA. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SAN to KOA?
The cheapest flights from SAN to KOA 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 San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
Hop on a nonstop flight with Alaska Airlines and go straight from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA).
What is the cheapest airline that flies from SAN to KOA?
Currently, the cheapest carrier offering one-way flights from SAN to KOA is Alaska Airlines. You can take off on this route from $199. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on June 5 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
On average, you can take your pick of 4 nonstop flights departing from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA) every week. If you don’t see one that fits your schedule, think about taking a flight with a layover. Filter your search results on Expedia to include one or two stops and choose the next best alternative.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
More travelers fly between SAN and KOA at 10 AM than at any other time. Looking to skip the crowds? Consider flying outside peak hours and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from SAN to KOA?
If you jet off on a Sunday, you’ll get the largest range of options for flights from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA).
What is the earliest flight from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
The earliest flight taking off from San Diego Intl. Airport (SAN) is at around 10:14AM UTC-8. Hop on this flight and you’ll land at Kona Intl. Airport (KOA) at approximately 2:30PM UTC-10. The total flight duration is 6h 16m.
How long does it take to fly from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
It takes around 6 hours and 16 minutes to fly the 2,600 mi from SAN to KOA.
What airline has the least delays from SAN to KOA?
Consider traveling with Alaska Airlines if you’d like to go straight from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA) without any delays. This airline has the best track record for punctuality, with an on-time score of 90%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
Select a flight from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 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 Kailua-Kona from San Diego Intl. Airport (SAN)?
Compare your flight options from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA). This is the only airport in Kailua-Kona you can arrive at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA) last-minute?
Holding off until just before your departure to book a ticket from SAN to KOA generally means paying more. While it’s possible to find some last-minute discounts, there’s no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a SAN to KOA flight and hotel package?
Booking a SAN to KOA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Kona Intl. Airport (KOA)?
Typically, it’s possible to cancel or reschedule your SAN to KOA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.