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Kaua'i

Cheap flights from Denver (DEN) to Kaua'i

DEN — LIH
Oct 23 — Oct 301
Fri 10/23
Fri 10/30
1 adult, Economy
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Find flight deals from Denver to Kaua'i

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

November

Cheapest in

April

Average price

$672

Good round-trip deal

$994 or less

Good one-way deal

$567 or less
Provider with most accurate pricing for Denver Intl-Lihue flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Lihue flights.
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Highest demand for flights based on searches. 12% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Denver Intl to Kaua'i.
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Price to beat on a one-way flight from Denver Intl to Kaua'i.
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Cheapflights Insights

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

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

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Kaua'i. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Denver to Kaua'i (average of $605). Flying from Denver to Kaua'i in November is currently the most expensive (average of $1,014). 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 DEN to FUS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Kaua'i as you normally would.

Reviews of airlines servicing Kaua'i

Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Denver to Kaua'i. 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
4,199 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
Southwest
8.0
Very good
4,199 reviews
Southwest
8.0
Very good
4,199 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
Alaska Airlines
7.9
Good
12,963 reviews
Southwest
8.0
Very good
4,199 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
Delta
7.8
Good
8,593 reviews
Southwest
8.0
Very good
4,199 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
United Airlines
7.4
Good
10,233 reviews
Southwest
8.0
Very good
4,199 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.
American Airlines
7.0
Good
12,073 reviews
Southwest
8.0
Very good
4,199 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Courtney,Sep 2026

DEN - STL

I still think the aircraft should load from the back and window seats first for all passengers. It's so much easier and efficient to board when you do not have to worry about hitting Anyone already seated.

Related info for your journey

  • What airport do you fly from for flights from Denver to Kaua'i?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Kaua'i. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

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

    This flight path from Denver Intl to Kaua'i was viewed by 1 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 Denver to Kaua'i one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $187. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Denver to Kaua'i for a low price.

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

    The cheapest flight price from Denver to Kaua'i is $517. On average you can expect to pay $879. The most popular route, (Denver Intl - Lihue), can usually be booked for $310.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Denver to Kaua'i (average of $605). Flying from Denver to Kaua'i in November is currently the most expensive (average of $1,014). 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

Top 5 airlines flying from Denver to Kaua'i

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$202Average$469FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$319Average$599FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$390Average$596FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$417Average$609FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$553Average$883FlexibilityNo cancel feeOn-time69%

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