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The Big Island

$211+ Cheap flights from Illinois to The Big Island

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Illinois to The Big Island

Keep the following information in mind while searching for Illinois to The Big Island flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$441
(United Airlines)

One-way from

$211
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$678
Provider with most accurate pricing for Chicago (CHI)-Kona Intl flight deals.
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From Illinois to The Big Island
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One-way flight from Illinois to The Big Island
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Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Illinois to The Big Island

Cheapest flights from Illinois to The Big Island
Explore the most affordable flight options available from Illinois to The Big Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 11/166:15 amSTL - KOA
1 stop12h 49mAmerican Airlines
Thu 11/206:30 pmKOA - STL
1 stop10h 22mAmerican Airlines
Deal found 4/29$421
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/158:48 amSTL - KOA
1 stop11h 47mUnited Airlines
Thu 5/291:05 pmKOA - STL
1 stop10h 58mUnited Airlines
Deal found 4/29$441
This Delta deal was found by Cheapflights users on 4/29. 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 5/156:00 amSTL - KOA
2 stops18h 10mDelta
Thu 5/299:39 pmKOA - STL
2 stops14h 30mDelta
Deal found 4/29$454
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/182:55 pmSTL - KOA
2 stops28h 38mAlaska Airlines
Fri 10/248:00 amKOA - STL
1 stop10h 56mAlaska Airlines
Deal found 4/29$527
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 9/305:00 amORD - KOA
1 stop13h 42mAmerican Airlines
Wed 12/1710:27 pmKOA - ORD
1 stop11h 44mAmerican Airlines
Deal found 4/30$545
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 9/306:00 amORD - KOA
2 stops16h 44mDelta
Wed 12/1710:45 pmKOA - ORD
1 stop10h 43mDelta
Deal found 4/30$550
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/182:55 pmSTL - KOA
1 stop11h 40mHawaiian Airlines
Fri 10/248:00 amKOA - STL
1 stop10h 56mHawaiian Airlines
Deal found 4/29$551
This Delta deal was found by Cheapflights users on 4/30. 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 9/219:20 amMDW - KOA
2 stops14h 20mDelta
Tue 9/308:40 pmKOA - MDW
2 stops16h 27mDelta
Deal found 4/30$566
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 6/310:00 amORD - KOA
1 stop17h 15mAlaska Airlines
Mon 6/98:00 amKOA - ORD
1 stop10h 59mAlaska Airlines
Deal found 4/30$571
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 5/209:25 pmMDW - KOA
2 stops19h 45mSouthwest
Wed 5/288:30 pmKOA - MDW
1 stop10h 15mSouthwest
Deal found 4/30$664
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 9/126:20 amORD - ITO
2 stops13h 58mAlaska Airlines
Tue 9/167:49 amITO - ORD
2 stops18h 14mAlaska Airlines
Deal found 4/30$710
This Southwest deal was found by Cheapflights users on 4/30. 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 5/286:15 amORD - ITO
2 stops16h 55mSouthwest
Wed 6/46:00 amITO - ORD
2 stops12h 40mSouthwest
Deal found 4/30$724

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to The Big Island 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 May 1, 2025.
Use the filters below to find and compare flights from Illinois to The Big Island that are best for you.

Fly from

Illinois

Fly to

The Big Island

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 5/15

8:48 am-3:35 pm

1 stop11h 47m

Kona Intl

Thu 5/29

1:05 pm-5:03 am

1 stop10h 58m

$441

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 5/15

6:00 am-7:10 pm

2 stops18h 10m

Kona Intl

Thu 5/29

9:39 pm-5:09 pm

2 stops14h 30m

$454

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 5/14

8:09 am-2:37 pm

1 stop11h 28m

Kona Intl

Sun 5/18

9:10 pm-1:49 pm

1 stop11h 39m

$462

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 6/4

6:20 pm-5:31 pm

1 stop28h 11m

Kona Intl

Mon 6/16

9:40 pm-12:03 am

1 stop21h 23m

$558

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 6/3

10:00 am-10:15 pm

1 stop17h 15m

Kona Intl

Mon 6/9

8:00 am-11:59 pm

1 stop10h 59m

$571

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Mon 6/2

9:20 am-7:10 pm

2 stops14h 50m

Kona Intl

Tue 6/10

8:35 pm-6:41 pm

2 stops17h 06m

$592

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 5/13

7:06 am-2:37 pm

1 stop12h 31m

Kona Intl

Wed 5/21

1:47 pm-5:53 am

1 stop11h 06m

$602

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 7/15

6:00 am-10:04 pm

2 stops21h 04m

Kona Intl

Mon 7/21

9:30 pm-11:51 pm

2 stops21h 21m

$629

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Tue 5/20

9:25 pm-12:10 pm

2 stops19h 45m

Kona Intl

Wed 5/28

8:30 pm-11:45 am

1 stop10h 15m

$664

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Wed 5/28

6:15 am-6:10 pm

2 stops16h 55m

Hilo Intl

Wed 6/4

6:00 am-11:40 pm

2 stops12h 40m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 40 results
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Best time to book a flight from Illinois to The Big Island

Have a flexible travel schedule? Discover the best time to fly to The Big Island 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 The Big Island

What is the cheapest month to book a flight from Illinois to The Big Island?

Currently, October is the cheapest month in which you can book a flight from Illinois to The Big Island (average of $409). Flying from Illinois to The Big Island in June is currently the most expensive (average of $624). 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 FUI?

Find hourly flight availability from Illinois to The Big Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Rainfall in The Big Island by month

Plan your trip to The Big Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in The Big Island ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit The Big Island when rainfall is around 1.6 in.

Temperature in The Big Island by month

Plan your trip to The Big Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to The Big Island, use this chart to help with planning. For those seeking warmer temperatures, August 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 71.6 F).

Reviews of airlines servicing The Big Island

Get insights into the airlines that provide service to The Big Island. 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 The Big Island. Reviews last updated May 1, 2025.
To help decide which airline to fly from Illinois to The Big Island, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Illinois to The Big Island. 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 The Big Island one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $211. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Illinois to The Big Island for a low price.

  • Can I find deals for flights from Illinois to The Big Island that include hotel bookings?

    Yes. In addition to deals on Illinois to The Big Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to The Big Island?

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

  • Can I find deals for business class flights from Illinois to The Big Island?

    Yes. Cheapflights offers flight deals from Illinois to The Big Island 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 The Big Island?

    Currently, October is the cheapest month in which you can book a flight from Illinois to The Big Island (average of $409). Flying from Illinois to The Big Island in June is currently the most expensive (average of $624). 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

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Alternative routes for Illinois to The Big Island

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Top 6 airlines flying from Illinois to The Big Island

Discover the top 6 airlines that operate flights from Illinois to The Big Island. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$568FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$409Average$647FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$412Average$1,128FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$445Average$733FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$509Average$1,001FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$593Average$718FlexibilityNo cancel feeOn-time63%

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