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Cheap flights from Kaua'i to O'ahu

LIH — HNL
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
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Find flight deals from Kaua'i to O'ahu

Keep the following information in mind while searching for Kaua'i to O'ahu flight deals. Data was last updated May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$64
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$163

Good round-trip deal

$181 or less

Good one-way deal

$102 or less
Provider with most accurate pricing for Lihue-Honolulu flight deals.
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Provider most trusted by Cheapflights users for Lihue-Honolulu flights.
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From Kaua'i to O'ahu
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One-way flight from Kaua'i to O'ahu
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Highest demand for flights based on searches. 7% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Price to beat on a round-trip flight from Kaua'i to O'ahu.
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Price to beat on a one-way flight from Kaua'i to O'ahu.
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Cheapflights Insights

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

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

The price you pay for your flight from Kaua'i to O'ahu may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Kaua'i to O'ahu (average of $39). Flying from Kaua'i to O'ahu in November is currently the most expensive (average of $124). 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 FUS to FUW?

Find hourly flight availability from Kaua'i to O'ahu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2026.

When flying from Kaua'i to O'ahu, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 64% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Kaua'i to O'ahu. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their Kaua'i to O'ahu flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing O'ahu

Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated May 6, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andHawaiian Airlines from Kaua'i to O'ahu by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,332 reviews

Overall

7.9

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,332 reviews
Alaska Airlines
7.9
Good
12,332 reviews

Overall

7.9

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Southwest
7.9
Good
4,305 reviews
Alaska Airlines
7.9
Good
12,332 reviews

Overall

7.9

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
7.9
Good
12,332 reviews

Overall

7.9

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

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

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

    This flight path from Kaua'i to O'ahu was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Kaua'i to O'ahu can take about 40m. Southwest provides one of the quickest options available for as low as $144. There are 102 mi between Kaua'i and O'ahu. Generally, flights for this route are nonstop.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Kaua'i to O'ahu for a low price.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Kaua'i to O'ahu (average of $39). Flying from Kaua'i to O'ahu in November is currently the most expensive (average of $124). 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 4 airlines flying from Kaua'i to O'ahu

Discover the top 4 airlines that operate flights from Kaua'i to O'ahu. 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$72Average$162FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$86Average$160FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$90Average$170FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$98Average$175FlexibilityNo cancel feeOn-time75%

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