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

This flight path from Kaua'i to O'ahu was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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 Hawaiian Airlines and Southwest, as they are both options that can get you from Kaua'i to O'ahu for a low price.

Weekly flight availability from Kaua'i to O'ahu

The most flights from zzFUS to zzFUW are scheduled on a Monday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

In terms of precipitation, rainfall in O'ahu ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit O'ahu when rainfall is around 0.3 in.

If weather is an important factor for your trip to O'ahu, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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.

Find Cheap Flights from Kaua'i to O'ahu

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Kaua'i to O'ahu with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Kaua'i to O'ahu

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	September
Cheapest in	March
Average price	$184
Good round-trip deal	$441 or less
Good one-way deal	$82 or less

Provider with most accurate pricing for Lihue-Honolulu flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lihue-Honolulu flights.

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Price to beat on a round-trip flight from Kaua'i to O'ahu.

Search Deals

Price to beat on a one-way flight from Kaua'i to O'ahu.

Search Deals

Cheapflights Insights

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

Prices

Airlines

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

Currently, March is the cheapest month in which you can book a flight from Kaua'i to O'ahu (average of $150). Flying from Kaua'i to O'ahu in September is currently the most expensive (average of $280). 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?

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 afternoon, which can drop the price by up to 80% versus a flight at noon.

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

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. Thursday 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 a feel of what it's like to fly with Southwest,Alaska Airlines, 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.

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Southwest

8.0

Very good

4,219 reviews

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Alaska Airlines

7.9

Good

13,136 reviews

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Hawaiian Airlines

7.8

Good

2,805 reviews

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

How popular is this Kaua'i to O'ahu flight route?
This flight path from Kaua'i to O'ahu was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
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 Hawaiian Airlines and Southwest, 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, March is the cheapest month in which you can book a flight from Kaua'i to O'ahu (average of $150). Flying from Kaua'i to O'ahu in September is currently the most expensive (average of $280). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Kaua'i to O'ahu

Top 3 airlines flying from Kaua'i to O'ahu

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$78	Average$175	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$98	Average$185	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$125	Average$134	FlexibilityNo cancel fee	On-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Kaua'i to O'ahu

Find cheap flights from Kaua'i to O'ahu with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kaua'i to O'ahu

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Insights

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

What is the cheapest time of day to fly from FUS to FUW?

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 afternoon, which can drop the price by up to 80% versus a flight at noon.

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

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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Kaua'i to O'ahu

The most flights from zzFUS to zzFUW are scheduled on a Monday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing O'ahu

Get a feel of what it's like to fly with Southwest,Alaska Airlines, 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.

Related info for your journey

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kaua'i to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to O'ahu by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kaua'i to O'ahu by cabin class

Find flights from Kaua'i to O'ahu, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kaua'i and O'ahu flights

Browse other Kaua'i and O'ahu flight options. Last updated on November 3, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 3 airlines flying from Kaua'i to O'ahu

100% Free

Book with Flexibility

Travel Smart