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Kaua'i

$128+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIH
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
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 January 19, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(SmartFares)

One-way from

$128
(Delta)

Popular in

June

Cheapest in

January

Average price

$297

Good round-trip deal

$370 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for San Diego-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Lihue flights.
Search Deals
From San Diego to Kaua'i
Search Deals
One-way flight from San Diego to Kaua'i
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
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 January 19, 2026.

This SmartFares deal was found by Cheapflights users on 1/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:11 am
SAN
-
LIH
Nonstop6h 36m
Multiple Airlines
Tue 3/1011:40 am
LIH
-
SAN
1 stop6h 49m
Multiple Airlines
Deal found 1/17$231
This SmartFares deal was found by Cheapflights users on 1/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:11 am
SAN
-
LIH
Nonstop6h 36m
Hawaiian Airlines
Tue 3/103:50 pm
LIH
-
SAN
Nonstop5h 45m
Hawaiian Airlines
Deal found 1/17$238
This Southwest deal was found by Cheapflights users on 1/17. 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 3/28:45 am
SAN
-
LIH
1 stop11h 30m
Southwest
Mon 3/98:10 pm
LIH
-
SAN
1 stop9h 50m
Southwest
Deal found 1/17$252
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Mon 2/235:00 pm
SAN
-
LIH
1 stop15h 57m
Multiple Airlines
Thu 2/2611:40 am
LIH
-
SAN
1 stop17h 36m
Multiple Airlines
Deal found 1/18$257
This Alaska Airlines deal was found by Cheapflights users on 1/17. 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 3/29:20 am
SAN
-
LIH
Nonstop6h 36m
Alaska Airlines
Tue 3/103:50 pm
LIH
-
SAN
Nonstop5h 45m
Alaska Airlines
Deal found 1/17$269
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Thu 5/75:42 pm
SAN
-
LIH
1 stop7h 39m
Multiple Airlines
Mon 5/111:36 pm
LIH
-
SAN
Nonstop5h 44m
Multiple Airlines
Deal found 1/18$271
This Alaska Airlines deal was found by Cheapflights users on 1/17. 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 2/188:11 am
SAN
-
LIH
Nonstop6h 36m
Multiple Airlines
Wed 2/255:57 pm
LIH
-
SAN
1 stop11h 18m
Multiple Airlines
Deal found 1/17$274
This Kiwi.com deal was found by Cheapflights users on 1/17. 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.
Tue 3/178:11 am
SAN
-
LIH
Nonstop6h 36m
Multiple Airlines
Tue 3/2411:06 am
LIH
-
SAN
1 stop17h 16m
Multiple Airlines
Deal found 1/17$275
This Kiwi.com deal was found by Cheapflights users on 1/17. 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.
Tue 5/121:00 pm
SAN
-
LIH
1 stop11h 26m
Multiple Airlines
Wed 5/202:49 pm
LIH
-
SAN
1 stop12h 45m
Multiple Airlines
Deal found 1/17$276
This Kiwi.com deal was found by Cheapflights users on 1/17. 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.
Wed 5/136:30 pm
SAN
-
LIH
1 stop20h 04m
Multiple Airlines
Thu 5/2110:42 am
LIH
-
SAN
Nonstop5h 47m
Multiple Airlines
Deal found 1/17$278

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 January 19, 2026.
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

Mon 3/2

8:20 am-4:25 pm

1 stop10h 05m

Lihue

Mon 3/9

8:10 pm-9:00 am

1 stop9h 50m

$256

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 3/16

7:22 pm-3:14 pm

1 stop22h 52m

Lihue

Mon 3/23

3:02 pm-8:15 am

1 stop14h 13m

$288

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Wed 2/25

5:00 pm-6:57 am

1 stop15h 57m

Lihue

Mon 3/2

11:40 am-9:29 pm

1 stop7h 49m

$293

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 2/23

5:00 pm-6:17 am

1 stop15h 17m

Lihue

Mon 3/2

11:40 am-9:29 pm

1 stop7h 49m

$293

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Tue 3/17

10:00 am-6:50 pm

1 stop11h 50m

Lihue

Tue 3/24

10:05 pm-9:07 am

1 stop8h 02m

$300

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 3/2

10:40 am-7:49 pm

1 stop11h 09m

Lihue

Mon 3/9

10:05 pm-3:55 pm

2 stops14h 50m

$306

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Sat 4/18

10:16 am-6:55 pm

1 stop11h 39m

Lihue

Sun 4/26

8:25 pm-10:11 am

1 stop10h 46m

$316

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Sun 2/8

10:45 am-7:54 pm

1 stop11h 09m

Lihue

Sun 2/15

10:40 pm-9:55 am

1 stop9h 15m

$316

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 2/2

7:00 am-6:46 pm

1 stop13h 46m

Lihue

Mon 2/9

10:39 pm-9:57 am

1 stop9h 18m

$316

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Sun 3/15

5:44 pm-9:22 am

1 stop18h 38m

Lihue

Wed 3/25

12:12 pm-8:58 pm

Nonstop5h 46m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 22 results
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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, July is the cheapest month in which you can book a flight from San Diego to Kaua'i (average of $187). Flying from San Diego to Kaua'i in June is currently the most expensive (average of $322). 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 January 19, 2026.

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.

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 January 19, 2026.
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
11,752 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,752 reviews
Alaska Airlines
8.0
Very good
11,752 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,262 reviews
Alaska Airlines
8.0
Very good
11,752 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,075 reviews
Alaska Airlines
8.0
Very good
11,752 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,752 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,177 reviews
Alaska Airlines
8.0
Very good
11,752 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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, 14 users have taken a look at flights from San Diego to Kaua'i.

  • How long is the flight from San Diego to Kaua'i?

    Southwest can get you from San Diego to Kaua'i in just under 10h 05m. Your travel time can differ by up to . There are 2670 mi between San Diego and 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. United Airlines flights start at $148 while deals on Delta start at $156 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 $412, our data shows the cheapest flight currently is $125. When looking at the most popular route, (San Diego - Lihue), you can expect to pay $238 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, July is the cheapest month in which you can book a flight from San Diego to Kaua'i (average of $187). Flying from San Diego to Kaua'i in June is currently the most expensive (average of $322). 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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Alternative routes for San Diego to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from San Diego to Kaua'i

Discover the top 5 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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$372FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$407FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$247Average$509FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$280Average$461FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$322Average$565FlexibilityNo cancel feeOn-time85%

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