Cheap flights from Idaho to Kaua'i from $289
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Kaua'i departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Idaho to Kaua'i
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Alaska Airlines flights from Idaho to Kaua'i
Our best Alaska Airlines deals on Idaho to Kaua'i flight tickets
Delta flights from Idaho to Kaua'i
Our best Delta deals on Idaho to Kaua'i flight tickets
See travel insights to Kaua'i from
How to get the cheapest flight ticket from Idaho to Kaua'i
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Kaua'i?
In general, August is the cheapest month to fly from Idaho to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $438. The month of February is another great option to travel to Kaua'i, with average flight prices from Idaho averaging around $459.
What is the cheapest day to depart on your flight to Kaua'i?
According to our data, Wednesday is the cheapest day to fly to Kaua'i from Idaho. The lowest ticket price found for a Wednesday departure recently was $539. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $619. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.
What is the cheapest time of day to depart on your flight to Kaua'i?
The cheapest time of day to fly to Kaua'i is in the evening when flights can be purchased for as low as $376. In contrast, the most expensive time of day to depart to Kaua'i is in the morning when prices are around $620.
How far in advance should I book a flight to Kaua'i?
You are more likely to see cheaper flights to Kaua'i from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Kaua'i for around $529 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kaua'i from Idaho for as low as $454 on momondo.
What is the cheapest airline that flies from Idaho to Kaua'i?
Delta, Alaska Airlines, and Southwest are the most popular carriers operating from Idaho to Kaua'i
What airlines fly to Kaua'i?
Delta, Alaska Airlines and Southwest are the top three most popular airlines that fly to Kaua'i from Idaho according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 5 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.
Cheap Idaho to Kaua'i flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Kaua'i
When did momondo last update prices for flights from Idaho to Kaua'i?
Prices for flights from Idaho to Kaua'i are updated daily.
How many operators does momondo search for flights from Idaho to Kaua'i?
There are 5 operators available for flights from Idaho to Kaua'i as of June 2025.
How old do you have to be to fly from Idaho to Kaua'i?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The travel and health documents you'll need for your trip to Kaua'i may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kaua'i. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Idaho to Kaua'i?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Kaua'i is Embraer 175, representing 32.01% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 11.99%, Boeing 737-700 Passenger/BBJ1 (winglets) at 8.09%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.02%.
Best airlines flying from Idaho to Kaua'i
Compare and see reviews for airlines that fly from Idaho to Kaua'i with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $280 | Free Cancellation | Rating 7.8 2,507 reviews | |||
| PriceFrom $321 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $381 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $423 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $450 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Idaho to Kaua'i?
Finding the right flight to Kaua'i from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kaua'i quick and easy, saving you time and money.
Can I find flights from Idaho to Kaua'i with flexible booking policies on momondo?
Yes. All flights to Kaua'i from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Idaho to Kaua'i?
momondo helps you find the best flight between Idaho and Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Idaho to Kaua'i right now. Can momondo alert me if prices change?
Price alerts on flights to Kaua'i from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.