Cheap flights from Kaua'i to Denver (DEN)
LIH — DEN
Aug 17 — Aug 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kaua'i to Denver 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 Denver
Keep the following information in mind while searching for Kaua'i to Denver flight deals. Data was last updated July 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $404 (American Airlines) |
One-way from | $190 (Southwest) |
Popular in | March |
Cheapest in | February |
Average price | $1,014 |
Good round-trip deal | $592 or less |
Good one-way deal | $314 or less |
Cheapflights Insights
Everything you need to know about your flight from Kaua'i to Denver
Prices
Airlines
What is the cheapest month to book a flight from Kaua'i to Denver?
Currently, February is the cheapest month in which you can book a flight from Kaua'i to Denver (average of $330). Flying from Kaua'i to Denver in March is currently the most expensive (average of $1,169). 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 DEN?
Find hourly flight availability from Kaua'i to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2026.
When flying from Kaua'i to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Kaua'i to Denver to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Kaua'i to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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
Complete your trip
Denver flight routes
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Kaua'i to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 18, 2026.
Search flights from Kaua'i to Denver by cabin class
Find flights from Kaua'i to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kaua'i and Denver flights
Browse other Kaua'i and Denver flight options. Last updated on July 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Kaua'i to Denver
Discover the top 4 airlines that operate flights from Kaua'i to Denver. 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 July 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$634 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$319 | Average$504 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$330 | Average$731 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$569 | Average$864 | FlexibilityNo cancel fee | On-time69% |