HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kaua'i

$205+ Cheap flights from Illinois to Kaua'i

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIH
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Kaua'i 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.

Cheap flight deals from Illinois to Kaua'i

Keep the following information in mind while searching for Illinois to Kaua'i flight deals. Data was last updated July 29, 2025.

Round-trip from

$414
(Alaska Airlines)

One-way from

$205
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$683
From Illinois to Kaua'i
Search Deals
One-way flight from Illinois to Kaua'i
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Illinois to Kaua'i

Cheapest flights from Illinois to Kaua'i
Explore the most affordable flight options available from Illinois to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:00 amORD - LIH
1 stop33h 46mAlaska Airlines
Fri 12/1211:00 amLIH - ORD
1 stop32h 10mAlaska Airlines
Deal found 7/28$405
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:10 amORD - LIH
1 stop13h 48mUnited Airlines
Wed 11/192:31 pmLIH - ORD
1 stop10h 29mUnited Airlines
Deal found 7/29$409
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:30 amORD - LIH
1 stop16h 52mDelta
Mon 11/1710:45 pmLIH - ORD
1 stop10h 43mDelta
Deal found 7/29$423
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:00 amORD - LIH
1 stop11h 14mAmerican Airlines
Thu 9/181:44 pmLIH - ORD
1 stop11h 17mAmerican Airlines
Deal found 7/28$424
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:05 amSTL - LIH
2 stops13h 53mUnited Airlines
Fri 9/1911:10 pmLIH - STL
1 stop12h 43mUnited Airlines
Deal found 7/29$430
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:25 amSTL - LIH
1 stop11h 08mAmerican Airlines
Sat 12/1310:14 pmLIH - STL
1 stop11h 19mAmerican Airlines
Deal found 7/29$441
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:35 pmSTL - LIH
2 stops29h 15mAlaska Airlines
Thu 10/210:30 pmLIH - STL
1 stop11h 09mAlaska Airlines
Deal found 7/28$478
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:55 amMDW - LIH
2 stops15h 15mSouthwest
Wed 9/108:40 pmLIH - MDW
1 stop12h 50mSouthwest
Deal found 7/29$491
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:45 amSTL - LIH
2 stops14h 15mSouthwest
Wed 9/178:40 pmLIH - STL
1 stop11h 40mSouthwest
Deal found 7/27$498
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:35 amMDW - LIH
2 stops14h 24mDelta
Mon 10/69:40 pmLIH - MDW
2 stops15h 03mDelta
Deal found 7/28$614
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amSTL - LIH
2 stops15h 18mDelta
Wed 8/209:40 pmLIH - STL
2 stops15h 36mDelta
Deal found 7/27$633
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:20 pmPIA - LIH
2 stops23h 01mUnited Airlines
Tue 11/42:31 pmLIH - PIA
2 stops20h 02mUnited Airlines
Deal found 7/28$713

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Kaua'i that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Illinois to Kaua'i that are best for you.

Fly from

Illinois

Fly to

Kaua'i

Route

Depart

Return

Price

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Tue 9/9

1:01 pm-9:30 pm

1 stop13h 29m

Lihue

Tue 12/9

11:00 am-6:55 pm

1 stop27h 55m

$414

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Fri 9/19

6:00 am-12:14 pm

1 stop11h 14m

Lihue

Thu 9/25

9:40 pm-3:58 pm

1 stop13h 18m

$423

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Fri 9/5

11:05 am-7:58 pm

2 stops13h 53m

Lihue

Fri 9/19

11:10 pm-4:53 pm

1 stop12h 43m

$430

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Tue 9/23

5:18 am-2:27 pm

2 stops14h 09m

Lihue

Thu 10/2

1:44 pm-9:16 am

2 stops14h 32m

$452

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Tue 9/23

3:35 pm-3:50 pm

2 stops29h 15m

Lihue

Thu 10/2

10:30 pm-2:39 pm

1 stop11h 09m

$478

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Thu 10/23

7:37 am-7:03 pm

1 stop16h 26m

Lihue

Tue 10/28

8:28 pm-5:49 pm

2 stops16h 21m

$485

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Wed 9/10

6:45 am-4:00 pm

2 stops14h 15m

Lihue

Wed 9/17

8:40 pm-1:20 pm

1 stop11h 40m

$498

ChicagoLihue

MDW - LIH

MDWLIH

Chicago Midway

Sun 10/26

5:15 am-12:55 pm

1 stop12h 40m

Lihue

Sun 11/2

10:00 am-5:05 am

2 stops15h 05m

$518

ChicagoLihue

MDW - LIH

MDWLIH

Chicago Midway

Sun 9/28

9:35 am-6:59 pm

2 stops14h 24m

Lihue

Mon 10/6

9:40 pm-5:43 pm

2 stops15h 03m

$614

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Wed 8/13

7:00 am-5:18 pm

2 stops15h 18m

Lihue

Wed 8/20

9:40 pm-6:16 pm

2 stops15h 36m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Illinois to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Kaua'i (average of $440). Flying from Illinois to Kaua'i in June is currently the most expensive (average of $689). 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 IL to FUS?

Find hourly flight availability from Illinois to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

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

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Illinois to Kaua'i. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

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

    $205 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $212 and $287, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Kaua'i (average of $440). Flying from Illinois to Kaua'i in June is currently the most expensive (average of $689). 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

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

Alternative routes for Illinois to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
Seattle to Honolulu flights
San Francisco to Honolulu flights
Ontario to Honolulu flights
John F Kennedy Intl to Honolulu flights
Los Angeles to Kahului flights
Los Angeles to Lihue flights
Dallas/Fort Worth to Honolulu flights
Seattle to Kahului flights
San Francisco to Kahului flights
O'Hare Intl to Honolulu flights
Dulles Intl to Honolulu flights
Hobby to Honolulu flights
Newark to Honolulu flights
Atlanta to Honolulu flights
Denver to Honolulu flights
Los Angeles to Kailua-Kona flights
Portland to Honolulu flights
San Francisco to Kailua-Kona flights
Sky Harbor Intl to Honolulu flights
San Jose to Honolulu flights
George Bush Intcntl to Honolulu flights
Boston to Honolulu flights
San Diego to Honolulu flights
Oakland to Honolulu flights
Las Vegas to Honolulu flights
Seattle to Kailua-Kona flights
Sacramento to Honolulu flights
Minneapolis to Honolulu flights
San Francisco to Lihue flights
Denver to Kailua-Kona flights
Baltimore to Honolulu flights
Reagan-National to Honolulu flights
Salt Lake City to Honolulu flights
LaGuardia to Honolulu flights
Denver to Kahului flights
Seattle to Lihue flights
San Diego to Kahului flights
Long Beach to Honolulu flights
John F Kennedy Intl to Kahului flights
Portland to Kahului flights
Denver to Lihue flights
Detroit to Honolulu flights
Portland to Kailua-Kona flights
Sacramento to Kahului flights
O'Hare Intl to Kahului flights
San Jose to Kahului flights
Dallas/Fort Worth to Kahului flights
Newark to Kahului flights
Love Field to Honolulu flights

Top 5 airlines flying from Illinois to Kaua'i

Discover the top 5 airlines that operate flights from Illinois to Kaua'i. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$551FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$378Average$590FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$421Average$682FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$424Average$883FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$425Average$761FlexibilityNo cancel feeOn-time69%

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.