Kaua'i

Cheap flights from O'ahu to Kaua'i

HNL — LIH
Jul 18 — Jul 251
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Find flight deals from O'ahu to Kaua'i

Keep the following information in mind while searching for O'ahu to Kaua'i flight deals. Data was last updated June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Hawaiian Airlines)

One-way from

$68
(Trip.com)

Popular in

May

Cheapest in

April

Average price

$167

Good round-trip deal

$437 or less

Good one-way deal

$85 or less
Provider with most accurate pricing for Honolulu-Lihue flight deals.
Provider most trusted by Cheapflights users for Honolulu-Lihue flights.
From O'ahu to Kaua'i
One-way flight from O'ahu to Kaua'i
Highest demand for flights based on searches. 2% potential increase in price ($3 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from O'ahu to Kaua'i.
Price to beat on a one-way flight from O'ahu to Kaua'i.

Cheapflights Insights

Everything you need to know about your flight from O'ahu to Kaua'i

How far ahead should I book a flight from O'ahu to Kaua'i?

To ensure you get the cheapest price possible for a flight from O'ahu to Kaua'i, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from O'ahu to Kaua'i?

Currently, July is the cheapest month in which you can book a flight from O'ahu to Kaua'i (average of $47). Flying from O'ahu to Kaua'i in November is currently the most expensive (average of $98). 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 FUW to FUS?

Find hourly flight availability from O'ahu 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 June 18, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 6% on flights from O'ahu to Kaua'i by exploring options for tickets in the morning.

What is the cheapest day to fly from O'ahu to Kaua'i?

Use this chart to determine the cheapest time to fly round-trip from O'ahu to Kaua'i. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their O'ahu to Kaua'i flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday evenings 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 June 18, 2026.
Read through reviews of airlines operating flights from O'ahu to Kaua'i, such as Alaska Airlines,Southwest, andHawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Comfort

7.8

Entertainment

7.0

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Comfort

7.8

Entertainment

7.0

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Comfort

7.8

Entertainment

7.0

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Comfort

7.8

Entertainment

7.0

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from O'ahu 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 airports serve Oahu to Kauai flights?

    Travelers who are going to Kauai from Oahu are will typically leave out of Danial K. Inouye International Airport, which is located in Honolulu. This airport is one of the busiest in the United States with more than 21 million passengers a year. This airport is a hub for several airlines including Transair, Hawaiian Airlines, and Asia Pacific Airlines. The airport most will be flying into is Lihue Airport, which is not a hub for any carriers. It features an outdoor check-in and is mostly open-air. This airport has routes to Kona and Kahului, as well as Honolulu.

  • Which airlines fly directly from Oahu to Kauai?

    More than a dozen flights go directly from Oahu to Kauai every day from Honolulu. These are all flights offered by Hawaiian Airlines and they are available throughout the day. Hawaiian Airlines is the largest airline for the state of Hawaii and has hubs in both Honolulu and Kahului. This is the 10th largest commercial airline in the United States. Unlike some direct, nonstop flights, the price of these flights is typically much more inexpensive than flights with stopover locations. The flights take around 0h 35m to reach the destination.

  • What are the stopover options between Oahu to Kauai?

    There are two major airlines offering nonstop, direct flights between Kauai and Oahu. These are Hawaiian Airlines and Alaska Airlines. The average duration of stopover flights is 1h 56m, but this can vary based on the number of stops, the airline you choose, the time of day, and other factors. The flights with one stop may make it in Maui Kahului (OGG) or Kona (KOA). Some also stop in Seattle / Tacoma International Airport and are much longer flights than the average. Flights with more than one stop typically stop in Maui Kahului and another location.

  • Do I need a passport or visa to fly from Oahu to Kauai?

    There is no need to have a passport or a visa to travel to Kauai from Oahu. Passengers simply need a form of identification to take a flight between these two locations.

  • What alternative mode of transport can I use to travel sustainably from O’ahu to Kaua’i?

    The use of flights to get from O’ahu to Kaua’i is a sustainable option. This is so because many passengers can be transported over the approximate 108 mi distance. In addition, aircraft use less fuel for the flight from O’ahu to Kaua’i, which is majorly over the Pacific. There are no passenger ferry services offering direct transport from O’ahu to Kaua’i. Therefore, flights are the only sustainable mode of transport if you need to travel from the origin to the destination.

  • What traveler practices can I use to reduce my carbon footprint for my journey from O’ahu to Kaua’i?

    If you want to promote sustainability on your flight from O’ahu to Kaua’i, think about carrying light luggage. A plane’s fuel consumption is directly proportional to its weight. This implies that the heavier the plane, the more fuel is consumed during the journey. Therefore, when you pack light for your O’ahu to Kaua’i journey, you reduce the fuel consumed as well as the amount of carbon gases emitted into the atmosphere. This promotes the sustainability of the environment.

  • What information is critical in identifying a sustainable airport for my O’ahu to Kaua’i trip?

    If you are looking forward to traveling from O’ahu to Kaua’i, you can consider looking out for the IATA certificate when identifying a sustainable airport. The International Air Transport Association has rolled out the environmental assessment of airports as well as ground service providers. This goes a long way in ensuring airports optimize their operations to become environmentally friendly and sustainable in the long run. Therefore, if you need to board a flight from a sustainable airport from O’ahu to Kaua’i, look for the IATA certificate by researching online.

  • How popular is this O'ahu to Kaua'i flight route?

  • How long is the flight from O'ahu to Kaua'i?

    There are many flights that can get you from O'ahu to Kaua'i in 41m. Fly via Southwest or Alaska Airlines to get the fastest option. There are 102 mi between O'ahu and Kaua'i. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from O'ahu 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 $39. Hawaiian Airlines flights start at $60 while deals on Alaska Airlines start at $65 one-way.

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

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

  • How can I find direct flights from O'ahu to Kaua'i?

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

  • Can I find deals for business class flights from O'ahu to Kaua'i?

    Yes. Cheapflights offers flight deals from O'ahu 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 O'ahu to Kaua'i?

    Currently, July is the cheapest month in which you can book a flight from O'ahu to Kaua'i (average of $47). Flying from O'ahu to Kaua'i in November is currently the most expensive (average of $98). 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 3 airlines flying from O'ahu to Kaua'i

Discover the top 3 airlines that operate flights from O'ahu 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$113Average$170FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$116Average$170FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$119Average$160FlexibilityNo cancel feeOn-time63%

Helpful tips for your next trip to Kaua'i

Get useful tips and recommendations to enhance your travel experience on your next trip to Kaua'i. Learn about must-visit attractions, local customs, transportation options, weather conditions, and other valuable tips to make your trip more enjoyable and hassle-free.
  • Hawaiian Airlines is one of the respected airlines that provides transport services from O’ahu to Kaua’i. To promote sustainability, the airline has replaced half of the single-use plastics during its flights with biodegradable options.
  • O’ahu is committed to being a sustainable island enacting laws to protect the environment. For example, the region requires the departure airport to carry out sustainable waste management practices, including recycling plastics.
  • Daniel K. Inouye International Airport (HNL) is the departure airport where you will board your flight to Kaua’i. The airport has an established waste management plan that recycles and reuses non-biodegradable waste, such as plastic cups and plates.

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