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

$215 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $247 and $292, respectively.

How far in advance should I book a flight from Illinois to Kaua'i?

Find a great deal and save up to 21% by booking at least 23 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Illinois to Kaua'i within the next two weeks, with the cheapest ticket starting at $415.

What is the cheapest month to fly from Illinois to Kaua'i?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Kaua'i. Flights to Kaua'i from Illinois in November are about $666 on average during November, but can be found for as low as $363.

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.

$215+ Flights from Illinois to Kaua'i

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Cheap flight deals from Illinois to Kaua'i

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$431 (American Airlines)
One-way from	$215 (Delta)
Popular in	June
Cheapest in	November
Average price	$571

Provider with most accurate pricing for Chicago (CHI)-Lihue flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Lihue flights.

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From Illinois to Kaua'i

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One-way flight from Illinois to Kaua'i

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($82 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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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 April 4, 2025.

Tue 4/296:15 amSTL - LIH

1 stop11h 27mAmerican Airlines

Tue 5/69:40 pmLIH - STL

1 stop11h 09mAmerican Airlines

Deal found 4/3

$431

Tue 4/296:00 amSTL - LIH

2 stops16h 13mDelta

Tue 5/610:00 pmLIH - STL

2 stops14h 00mDelta

Deal found 4/3

$472

Sat 11/17:00 amSTL - LIH

1 stop19h 15mAlaska Airlines

Sat 11/89:00 pmLIH - STL

2 stops22h 56mAlaska Airlines

Deal found 4/3

$506

Thu 5/158:00 amORD - LIH

1 stop18h 33mAlaska Airlines

Mon 5/199:00 pmLIH - ORD

2 stops15h 02mAlaska Airlines

Deal found 4/3

$517

Fri 10/37:30 amORD - LIH

1 stop16h 52mDelta

Mon 10/139:26 pmLIH - ORD

2 stops14h 21mDelta

Deal found 4/2

$527

Wed 8/66:13 amORD - LIH

1 stop10h 53mAmerican Airlines

Wed 8/139:18 pmLIH - ORD

1 stop18h 40mAmerican Airlines

Deal found 4/3

$543

Wed 4/308:48 amSTL - LIH

1 stop11h 58mUnited Airlines

Fri 5/212:48 pmLIH - STL

2 stops17h 15mUnited Airlines

Deal found 4/3

$576

Fri 4/2512:45 pmORD - LIH

1 stop12h 12mUnited Airlines

Fri 5/212:48 pmLIH - ORD

1 stop11h 16mUnited Airlines

Deal found 4/3

$581

Wed 8/136:10 amMDW - LIH

1 stop11h 40mSouthwest

Wed 8/2010:00 amLIH - MDW

2 stops14h 00mSouthwest

Deal found 4/3

$583

Thu 9/49:30 amMDW - LIH

2 stops14h 46mDelta

Wed 9/109:45 pmLIH - MDW

2 stops15h 51mDelta

Deal found 4/4

$694

Tue 4/156:50 amSTL - LIH

2 stops14h 10mSouthwest

Mon 4/217:05 pmLIH - STL

2 stops13h 30mSouthwest

Deal found 4/3

$743

Sat 5/103:56 pmMLI - LIH

2 stops24h 51mUnited Airlines

Fri 5/1612:48 pmLIH - MLI

2 stops21h 33mUnited Airlines

Deal found 4/4

$781

Best flights from Illinois to Kaua'i
Discover carefully curated flight deals from Illinois to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Tue 4/296:15 amSTL - LIH

1 stop11h 27mAmerican Airlines

Tue 5/69:40 pmLIH - STL

1 stop11h 09mAmerican Airlines

Deal found 4/3

$431

Tue 4/296:00 amSTL - LIH

2 stops16h 13mDelta

Tue 5/610:00 pmLIH - STL

2 stops14h 00mDelta

Deal found 4/3

$472

Thu 5/158:00 amORD - LIH

1 stop18h 33mAlaska Airlines

Mon 5/199:00 pmLIH - ORD

2 stops15h 02mAlaska Airlines

Deal found 4/3

$517

Wed 4/308:48 amSTL - LIH

1 stop11h 58mUnited Airlines

Tue 5/67:40 pmLIH - STL

2 stops15h 07mUnited Airlines

Deal found 4/3

$576

Wed 8/136:10 amMDW - LIH

1 stop11h 40mSouthwest

Wed 8/2010:00 amLIH - MDW

2 stops14h 00mSouthwest

Deal found 4/3

$583

Sun 5/186:00 amORD - LIH

1 stop20h 33mHawaiian Airlines

Sun 5/2510:33 pmLIH - ORD

1 stop20h 26mHawaiian Airlines

Deal found 4/2

$811

Tue 5/203:03 pmSTL - LIH

1 stop11h 30mAlaska Airlines

Tue 5/271:10 pmLIH - STL

2 stops23h 12mAlaska Airlines

Deal found 4/3

$530

Mon 4/77:30 amORD - LIH

1 stop16h 24mDelta

Tue 4/88:19 pmLIH - ORD

1 stop12h 06mDelta

Deal found 4/2

$546

Wed 5/148:00 pmORD - LIH

1 stop21h 32mAmerican Airlines

Wed 5/212:02 pmLIH - ORD

1 stop10h 51mAmerican Airlines

Deal found 4/3

$552

Fri 4/2512:45 pmORD - LIH

1 stop12h 12mUnited Airlines

Fri 5/212:48 pmLIH - ORD

1 stop11h 16mUnited Airlines

Deal found 4/3

$581

Tue 4/156:50 amSTL - LIH

2 stops14h 10mSouthwest

Mon 4/217:05 pmLIH - STL

2 stops13h 30mSouthwest

Deal found 4/3

$743

Thu 9/49:30 amMDW - LIH

2 stops14h 46mDelta

Wed 9/109:45 pmLIH - MDW

2 stops15h 51mDelta

Deal found 4/4

$694

Last-minute flights from Illinois to Kaua'i
Discover last-minute flight deals from Illinois to Kaua'i. Data last updated April 4, 2025 and is based on user searches.

Thu 4/37:30 amORD - LIH

1 stop16h 24mDelta

Tue 4/88:19 pmLIH - ORD

1 stop12h 06mDelta

Deal found 4/2

$546

Sat 4/57:10 amORD - LIH

1 stop13h 36mUnited Airlines

Sat 4/127:26 pmLIH - ORD

1 stop11h 12mUnited Airlines

Deal found 4/3

$663

Sun 4/67:30 amORD - LIH

1 stop16h 24mDelta

Tue 4/88:19 pmLIH - ORD

1 stop12h 06mDelta

Deal found 4/2

$546

Tue 4/156:50 amSTL - LIH

2 stops14h 10mSouthwest

Mon 4/217:05 pmLIH - STL

2 stops13h 30mSouthwest

Deal found 4/3

$743

Fri 4/1810:00 amORD - LIH

2 stops26h 02mAlaska Airlines

Fri 4/251:55 pmLIH - ORD

1 stop18h 12mAlaska Airlines

Deal found 4/4

$688

Fri 4/188:46 pmORD - LIH

1 stop23h 12mAmerican Airlines

Fri 4/252:12 pmLIH - ORD

1 stop10h 54mAmerican Airlines

Deal found 4/4

$800

Fri 4/2512:45 pmORD - LIH

1 stop12h 12mUnited Airlines

Fri 5/212:48 pmLIH - ORD

1 stop11h 16mUnited Airlines

Deal found 4/3

$581

Tue 4/296:15 amSTL - LIH

1 stop11h 27mAmerican Airlines

Tue 5/69:40 pmLIH - STL

1 stop11h 09mAmerican Airlines

Deal found 4/3

$431

Tue 4/296:00 amSTL - LIH

2 stops16h 13mDelta

Tue 5/610:00 pmLIH - STL

2 stops14h 00mDelta

Deal found 4/3

$472

Wed 4/308:48 amSTL - LIH

1 stop11h 58mUnited Airlines

Tue 5/67:40 pmLIH - STL

2 stops15h 07mUnited Airlines

Deal found 4/3

$576

Tue 5/68:55 amMDW - LIH

2 stops14h 15mSouthwest

Wed 5/149:00 amLIH - MDW

1 stop15h 20mSouthwest

Deal found 4/3

$608

Tue 5/69:20 amMDW - LIH

2 stops14h 24mDelta

Tue 5/139:45 pmLIH - MDW

2 stops16h 00mDelta

Deal found 4/3

$704

One-way flights from Illinois to Kaua'i
Search for one-way flight options from Illinois to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Thu 4/247:50 amORD - LIH

1 stop15h 54mDelta

Deal found 4/3

$215

Wed 4/233:44 pmORD - LIH

2 stops19h 33mAlaska Airlines

Deal found 4/3

$247

Sun 4/207:10 amORD - LIH

1 stop13h 36mUnited Airlines

Deal found 4/3

$292

Fri 6/610:17 pmORD - LIH

1 stop18h 47mAmerican Airlines

Deal found 4/3

$378

Fri 6/66:15 amORD - LIH

2 stops14h 45mSouthwest

Deal found 4/3

$407

Mon 7/77:32 pmSTL - LIH

2 stops25h 17mAlaska Airlines

Deal found 4/4

$442

Sat 6/289:45 pmMDW - LIH

1 stop17h 35mSouthwest

Deal found 4/3

$482

Sun 4/136:00 amMDW - LIH

2 stops16h 17mDelta

Deal found 4/3

$497

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Tue 4/29

6:15 am-12:42 pm

1 stop11h 27m

Lihue

Tue 5/6

9:40 pm-1:49 pm

1 stop11h 09m

$431

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Tue 4/29

6:00 am-5:13 pm

2 stops16h 13m

Lihue

Tue 5/6

10:00 pm-5:00 pm

2 stops14h 00m

$472

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Thu 5/15

8:00 am-9:33 pm

1 stop18h 33m

Lihue

Mon 5/19

9:00 pm-5:02 pm

2 stops15h 02m

$517

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Wed 9/3

6:00 am-7:16 pm

2 stops18h 16m

Lihue

Fri 9/12

9:45 pm-1:28 pm

1 stop10h 43m

$528

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Tue 5/20

3:03 pm-9:33 pm

1 stop11h 30m

Lihue

Tue 5/27

1:10 pm-5:22 pm

2 stops23h 12m

$530

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Wed 8/6

6:13 am-12:06 pm

1 stop10h 53m

Lihue

Wed 8/13

9:18 pm-8:58 pm

1 stop18h 40m

$543

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Wed 4/30

8:48 am-3:46 pm

1 stop11h 58m

Lihue

Fri 5/2

12:48 pm-11:03 am

2 stops17h 15m

$576

ChicagoLihue

ORD - LIH

ORDLIH

Chicago O'Hare Intl

Fri 4/25

12:45 pm-7:57 pm

1 stop12h 12m

Lihue

Fri 5/2

12:48 pm-5:04 am

1 stop11h 16m

$581

ChicagoLihue

MDW - LIH

MDWLIH

Chicago Midway

Tue 5/6

8:55 am-6:10 pm

2 stops14h 15m

Lihue

Wed 5/14

9:00 am-5:20 am

1 stop15h 20m

$608

ChicagoLihue

MDW - LIH

MDWLIH

Chicago Midway

Tue 5/6

9:20 am-6:44 pm

2 stops14h 24m

Lihue

Tue 5/13

9:45 pm-6:45 pm

2 stops16h 00m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 24 results

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 $683). 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?

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.

Rainfall in Kaua'i by month

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

Temperature in Kaua'i by month

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Kaua'i

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Kaua'i to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,836 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,276 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,901 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,347 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,618 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Illinois to Kaua'i one-way?
$215 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $247 and $292, 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 $683). 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

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Top 5 airlines flying from Illinois to Kaua'i

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$311	Average$535	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$379	Average$600	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$421	Average$672	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$421	Average$765	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$424	Average$873	FlexibilityNo cancel fee	On-time63%

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$215+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Kaua'i with Cheapflights

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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 April 4, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Kaua'i

Cheapest flights from Illinois to Kaua'iExplore 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 April 4, 2025.

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 April 4, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Kaua'i that are best for you.

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.

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?

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 April 4, 2025.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

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 April 4, 2025.

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Kaua'i to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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.

Top 5 airlines flying from Illinois to Kaua'i

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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 April 4, 2025.