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Kaua'i

$129+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIH
oct. 22 — oct. 291
mié. 10/22
mié. 10/29
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 septiembre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Alaska Airlines)

One-way from

$129
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$438

Good round-trip deal

$412 or less

Good one-way deal

$304 or less
Provider with most accurate pricing for San Diego-Lihue flight deals.
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Provider most trusted by Cheapflights users for San Diego-Lihue flights.
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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. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
jue. 12/49:15 amSAN - LIH
Nonstop6h 38mAlaska Airlines
mar. 12/92:53 pmLIH - SAN
Nonstop5h 37mAlaska Airlines
Deal found 9/21$298
This Delta deal was found by Cheapflights users on 9/22. 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.
vie. 10/3111:24 amSAN - LIH
1 stop10h 41mDelta
lun. 11/310:40 pmLIH - SAN
2 stops11h 30mDelta
Deal found 9/22$303
This Delta deal was found by Cheapflights users on 9/20. 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.
mié. 10/299:45 amSAN - LIH
2 stops12h 20mDelta
lun. 11/310:40 pmLIH - SAN
2 stops11h 30mDelta
Deal found 9/20$308
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
jue. 10/236:59 pmSAN - LIH
1 stop19h 35mAlaska Airlines
sáb. 11/12:52 pmLIH - SAN
1 stop15h 39mAlaska Airlines
Deal found 9/21$313
This United Airlines deal was found by Cheapflights users on 9/19. 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.
mar. 11/46:15 amSAN - LIH
1 stop8h 58mUnited Airlines
lun. 11/102:15 pmLIH - SAN
1 stop7h 29mUnited Airlines
Deal found 9/19$314
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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.
sáb. 11/2910:59 amSAN - LIH
Nonstop6h 41mAlaska Airlines
sáb. 12/63:40 pmLIH - SAN
1 stop13h 20mAlaska Airlines
Deal found 9/20$323
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
vie. 12/1211:53 amSAN - LIH
1 stop23h 04mAlaska Airlines
vie. 12/193:25 pmLIH - SAN
Nonstop5h 37mAlaska Airlines
Deal found 9/22$324
This Southwest deal was found by Cheapflights users on 9/21. 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.
lun. 11/179:20 amSAN - LIH
2 stops10h 55mSouthwest
lun. 11/248:10 amLIH - SAN
1 stop11h 15mSouthwest
Deal found 9/21$327
This Delta deal was found by Cheapflights users on 9/21. 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.
mar. 11/1111:01 amSAN - LIH
1 stop11h 03mDelta
mié. 11/129:40 pmLIH - SAN
1 stop10h 26mDelta
Deal found 9/21$328
This Delta deal was found by Cheapflights users on 9/22. 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.
mié. 11/510:00 amSAN - LIH
1 stop9h 53mDelta
lun. 11/109:40 pmLIH - SAN
1 stop14h 34mDelta
Deal found 9/22$329
This Delta deal was found by Cheapflights users on 9/22. 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.
mar. 10/2111:24 amSAN - LIH
1 stop10h 41mDelta
dom. 10/269:40 pmLIH - SAN
1 stop9h 46mDelta
Deal found 9/22$330
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/106:30 amSAN - LIH
1 stop11h 29mAmerican Airlines
lun. 11/1010:39 pmLIH - SAN
1 stop11h 21mAmerican Airlines
Deal found 9/21$331

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 septiembre 22, 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

jue. 12/4

9:15 am-1:53 pm

Nonstop6h 38m

Lihue

jue. 12/11

2:53 pm-10:30 pm

Nonstop5h 37m

$298

San DiegoLihue

SAN - LIH

SANLIH

San Diego

vie. 10/31

11:24 am-7:05 pm

1 stop10h 41m

Lihue

lun. 11/3

10:40 pm-12:10 pm

2 stops11h 30m

$303

San DiegoLihue

SAN - LIH

SANLIH

San Diego

jue. 12/4

7:28 pm-1:49 pm

1 stop20h 21m

Lihue

sáb. 12/13

4:51 pm-8:32 am

1 stop13h 41m

$303

San DiegoLihue

SAN - LIH

SANLIH

San Diego

sáb. 11/29

10:59 am-3:40 pm

Nonstop6h 41m

Lihue

sáb. 12/6

3:40 pm-7:00 am

1 stop13h 20m

$323

San DiegoLihue

SAN - LIH

SANLIH

San Diego

vie. 12/12

11:53 am-8:57 am

1 stop23h 04m

Lihue

vie. 12/19

3:25 pm-11:02 pm

Nonstop5h 37m

$324

San DiegoLihue

SAN - LIH

SANLIH

San Diego

mié. 11/5

10:00 am-5:53 pm

1 stop9h 53m

Lihue

lun. 11/10

9:40 pm-12:46 pm

1 stop13h 06m

$329

San DiegoLihue

SAN - LIH

SANLIH

San Diego

dom. 11/2

6:48 pm-12:54 pm

1 stop20h 06m

Lihue

lun. 11/10

4:16 pm-8:40 am

1 stop14h 24m

$333

San DiegoLihue

SAN - LIH

SANLIH

San Diego

sáb. 10/25

6:59 pm-11:41 am

1 stop19h 42m

Lihue

sáb. 11/1

2:52 pm-9:31 am

1 stop15h 39m

$333

San DiegoLihue

SAN - LIH

SANLIH

San Diego

vie. 12/12

11:41 am-10:25 pm

1 stop12h 44m

Lihue

mié. 12/17

5:00 pm-10:02 pm

1 stop27h 02m

$350

San DiegoLihue

SAN - LIH

SANLIH

San Diego

jue. 12/4

9:59 am-6:30 pm

1 stop10h 31m

Lihue

mar. 12/9

10:44 pm-4:17 pm

2 stops15h 33m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 21 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, 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 septiembre 22, 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.

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 septiembre 22, 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

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,743 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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

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

    Alaska Airlines and Delta can get you from San Diego to Kaua'i in just under 6h 38m. Your travel time can differ by up to 4h 03m. There are 2670 mi between San Diego and Kaua'i. This flight may include one or multiple stops.

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

    While on average a flight from San Diego to Kaua'i is generally $473, our data shows the cheapest flight currently is $139. When looking at the most popular route, (San Diego - Lihue), you can expect to pay $281 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 septiembre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$370FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$247Average$411FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$262Average$536FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$284Average$466FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$346Average$560FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$409Average$521FlexibilityNo cancel feeOn-time71%

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