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Kaua'i

$144+ Cheap flights from San Diego (SAN) to Kaua'i

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIH
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from San Diego to Kaua'i

Keep the following information in mind while searching for San Diego to Kaua'i flight deals. Data was last updated July 3, 2025.

Round-trip from

$381
(Southwest)

One-way from

$144
(Southwest)

Popular in

December

Cheapest in

October

Average price

$537

Good round-trip deal

$472 or less

Good one-way deal

$224 or less
From San Diego to Kaua'i
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One-way flight from San Diego to Kaua'i
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Diego to Kaua'i.
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Price to beat on a one-way flight from San Diego to Kaua'i.
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Find flight deals from San Diego to Kaua'i

Cheapest flights from San Diego to Kaua'i
Explore the most affordable flight options available from San Diego to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Southwest deal was found by Cheapflights users on 7/1. 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 8/207:30 amSAN - LIH
1 stop11h 30mSouthwest
Mon 9/16:15 amLIH - SAN
1 stop7h 15mSouthwest
Deal found 7/1$381
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 9/2411:28 amSAN - LIH
2 stops13h 02mAlaska Airlines
Wed 10/12:25 pmLIH - SAN
1 stop15h 27mAlaska Airlines
Deal found 7/3$383
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:15 amSAN - LIH
2 stops14h 03mDelta
Mon 9/19:40 pmLIH - SAN
1 stop14h 00mDelta
Deal found 7/2$385
This Hawaiian Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 7/265:16 pmSAN - LIH
Nonstop6h 16mHawaiian Airlines
Tue 8/510:54 pmLIH - SAN
Nonstop5h 39mHawaiian Airlines
Deal found 7/2$408
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:02 amSAN - LIH
2 stops13h 19mUnited Airlines
Wed 11/122:30 pmLIH - SAN
1 stop7h 42mUnited Airlines
Deal found 7/1$432
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Fri 8/159:04 pmSAN - LIH
1 stop15h 40mMultiple Airlines
Fri 8/222:25 pmLIH - SAN
1 stop14h 16mMultiple Airlines
Deal found 6/30$434

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Kaua'i 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 3, 2025.
Use the filters below to find and compare flights from San Diego to Kaua'i that are best for you.

Fly from

San Diego

Fly to

Kaua'i

Route

Depart

Return

Price

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Wed 8/20

7:30 am-4:00 pm

1 stop11h 30m

Lihue

Mon 9/1

6:15 am-4:30 pm

1 stop7h 15m

$381

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Wed 9/24

11:28 am-9:30 pm

2 stops13h 02m

Lihue

Wed 10/1

2:25 pm-8:52 am

1 stop15h 27m

$383

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Wed 8/20

6:15 am-5:18 pm

2 stops14h 03m

Lihue

Mon 9/1

9:40 pm-2:40 pm

1 stop14h 00m

$385

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Sat 7/26

5:16 pm-8:32 pm

Nonstop6h 16m

Lihue

Tue 8/5

10:54 pm-7:33 am

Nonstop5h 39m

$408

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Fri 8/15

9:04 pm-9:44 am

1 stop15h 40m

Lihue

Fri 8/22

2:25 pm-7:41 am

1 stop14h 16m

$434

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 9/15

7:45 am-2:45 pm

1 stop10h 00m

$144

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Tue 9/23

9:59 am-5:21 pm

1 stop10h 22m

$149

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Thu 8/14

10:54 am-7:38 pm

2 stops11h 44m

$154

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Tue 8/5

5:16 pm-8:32 pm

Nonstop6h 16m

$189

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 7/7

5:16 pm-8:32 pm

Nonstop6h 16m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from San Diego to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from San Diego with our price prediction graph.
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 San Diego to Kaua'i

What is the cheapest month to book a flight from San Diego to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from San Diego to Kaua'i (average of $440). Flying from San Diego to Kaua'i in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to FUS?

Find hourly flight availability from San Diego to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from San Diego to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Diego to Kaua'i

Explore weekly flight availability from San Diego to Kaua'i. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from SAN to zzFUS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from San Diego to Kaua'i, such as Alaska Airlines, Southwest, and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Kaua'i?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to Kaua'i.

  • How popular is this San Diego to Kaua'i flight route?

    Within the past month, 10 users have taken a look at flights from San Diego to Kaua'i.

  • What are the cheapest airlines to fly from San Diego to Kaua'i one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $144. Delta flights start at $149 while deals on United Airlines start at $154 one-way.

  • What are the cheapest flights from San Diego to Kaua'i?

    While on average a flight from San Diego to Kaua'i is generally $460, our data shows the cheapest flight currently is $189. When looking at the most popular route, (San Diego - Lihue), you can expect to pay $288 for that flight.

  • Can I find deals for flights from San Diego to Kaua'i that include hotel bookings?

    Yes. In addition to deals on San Diego to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Kaua'i.

  • Can I find deals for business class flights from San Diego to Kaua'i?

    Yes. Cheapflights offers flight deals from San Diego to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Kaua'i (average of $440). Flying from San Diego to Kaua'i in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from San Diego to Kaua'i

Discover the top 6 airlines that operate flights from San Diego to Kaua'i. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$241Average$360FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$254Average$504FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$257Average$392FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$471FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$335Average$505FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$364Average$551FlexibilityNo cancel feeOn-time75%

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