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Kaua'i

$111+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIH
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(Alaska Airlines)

One-way from

$111
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$478

Good round-trip deal

$340 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. 0% potential increase in price ($2 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 October 2025
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Price to beat on a round-trip 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 October 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 12/47:28 pmSAN - LIH
1 stop20h 21mAlaska Airlines
Sat 12/131:09 pmLIH - SAN
1 stop8h 21mAlaska Airlines
Deal found 10/13$293
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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.
Sat 11/156:48 pmSAN - LIH
1 stop20h 27mAlaska Airlines
Sat 11/222:40 pmLIH - SAN
Nonstop5h 34mAlaska Airlines
Deal found 10/12$294
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/296:15 amSAN - LIH
1 stop8h 46mUnited Airlines
Sat 12/62:15 pmLIH - SAN
1 stop7h 27mUnited Airlines
Deal found 10/13$295
This Delta deal was found by Cheapflights users on 10/13. 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.
Thu 12/49:50 amSAN - LIH
2 stops12h 20mDelta
Thu 12/119:50 pmLIH - SAN
1 stop10h 18mDelta
Deal found 10/13$298
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 11/2910:59 amSAN - LIH
Nonstop6h 41mAlaska Airlines
Mon 12/86:48 amLIH - SAN
1 stop6h 54mAlaska Airlines
Deal found 10/13$303
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 12/49:50 amSAN - LIH
2 stops12h 20mDelta
Mon 12/89:50 pmLIH - SAN
2 stops16h 10mDelta
Deal found 10/12$304
This Southwest deal was found by Cheapflights users on 10/12. 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.
Sun 11/168:05 amSAN - LIH
2 stops12h 10mSouthwest
Fri 11/218:10 amLIH - SAN
1 stop11h 15mSouthwest
Deal found 10/12$305
This Delta deal was found by Cheapflights users on 10/13. 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.
Thu 11/271:41 pmSAN - LIH
1 stop32h 23mDelta
Sun 12/79:50 pmLIH - SAN
1 stop14h 26mDelta
Deal found 10/13$307
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 12/110:59 amSAN - LIH
Nonstop6h 41mAlaska Airlines
Mon 12/82:53 pmLIH - SAN
Nonstop5h 37mAlaska Airlines
Deal found 10/13$308
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/96:48 pmSAN - LIH
1 stop20h 27mAlaska Airlines
Sun 11/161:11 pmLIH - SAN
1 stop16h 12mAlaska Airlines
Deal found 10/14$309
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 11/106:48 pmSAN - LIH
1 stop20h 27mAlaska Airlines
Fri 11/1412:23 pmLIH - SAN
1 stop18h 15mAlaska Airlines
Deal found 10/12$312

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 October 14, 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

Sat 11/15

6:48 pm-1:15 pm

1 stop20h 27m

Lihue

Sat 11/22

2:40 pm-10:14 pm

Nonstop5h 34m

$294

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Thu 12/4

9:50 am-8:10 pm

2 stops12h 20m

Lihue

Thu 12/11

9:50 pm-10:08 am

1 stop10h 18m

$298

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Thu 12/4

9:50 am-8:10 pm

2 stops12h 20m

Lihue

Tue 12/9

9:50 pm-10:08 am

1 stop10h 18m

$298

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Mon 11/10

6:15 am-8:04 pm

2 stops15h 49m

Lihue

Thu 11/13

9:40 pm-10:06 am

1 stop10h 26m

$298

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Thu 12/4

5:00 pm-6:18 am

1 stop15h 18m

Lihue

Sat 12/13

2:53 pm-10:30 pm

Nonstop5h 37m

$303

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Sun 11/16

8:05 am-6:15 pm

2 stops12h 10m

Lihue

Fri 11/21

8:10 am-9:25 pm

1 stop11h 15m

$305

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Sat 11/29

10:59 am-3:40 pm

Nonstop6h 41m

Lihue

Sat 12/6

2:20 pm-7:00 am

1 stop14h 40m

$323

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Wed 12/3

9:50 am-8:10 pm

2 stops12h 20m

Lihue

Mon 12/8

9:50 pm-4:00 pm

2 stops16h 10m

$344

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Fri 12/12

8:05 am-4:15 pm

1 stop10h 10m

Lihue

Mon 12/15

9:10 pm-10:15 am

2 stops11h 05m

$382

San DiegoLihue

SAN - LIH

SANLIH

San Diego

Fri 11/7

10:05 am-6:15 pm

2 stops10h 10m

Lihue

Sun 11/9

9:10 pm-7:05 am

1 stop7h 55m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 20 results
1
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, 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 $323). 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 October 14, 2025.

One of the essential ways to save on airfare from San Diego to Kaua'i is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 67% on airfare.

What is the cheapest day to fly from San Diego to Kaua'i?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Kaua'i. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their San Diego to Kaua'i flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 14, 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
11,079 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

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
11,079 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

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
4,238 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

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
7,975 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

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
2,779 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

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
8,976 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

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, 6 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 12h 20m. Your travel time can differ by up to 8h 07m. 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 $552, our data shows the cheapest flight currently is $266. When looking at the most popular route, (San Diego - Lihue), you can expect to pay $222 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 $323). 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$372FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$247Average$414FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$272Average$540FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$285Average$466FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$325Average$556FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$409Average$521FlexibilityNo cancel feeOn-time71%

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