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$236+ Cheap flights from Illinois to O'ahu

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HNL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to O'ahu

Keep the following information in mind while searching for Illinois to O'ahu flight deals. Data was last updated September 17, 2025.

Round-trip from

$463
(KAYAK)

One-way from

$236
(Delta)

Popular in

December

Cheapest in

October

Average price

$670

Good round-trip deal

$754 or less

Good one-way deal

$386 or less
From Illinois to O'ahu
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One-way flight from Illinois to O'ahu
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Highest demand for flights based on searches. 4% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to O'ahu.
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Price to beat on a one-way flight from Illinois to O'ahu.
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Find flight deals from Illinois to O'ahu

Cheapest flights from Illinois to O'ahu
Explore the most affordable flight options available from Illinois to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/272:54 pmORD - HNL
1 stop31h 01mAlaska Airlines
Wed 11/512:40 pmHNL - ORD
1 stop27h 15mAlaska Airlines
Deal found 9/16$463
This Delta deal was found by Cheapflights users on 9/16. 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 11/47:37 amORD - HNL
1 stop16h 32mDelta
Tue 11/1811:28 pmHNL - ORD
1 stop13h 50mDelta
Deal found 9/16$466
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 11/157:47 amORD - HNL
1 stop16h 28mDelta
Fri 12/511:35 pmHNL - ORD
1 stop20h 24mDelta
Deal found 9/16$469
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/277:50 amORD - HNL
2 stops16h 19mDelta
Mon 11/1011:28 pmHNL - ORD
1 stop13h 50mDelta
Deal found 9/16$471
This Delta deal was found by Cheapflights users on 9/16. 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 10/307:37 amORD - HNL
1 stop16h 32mDelta
Tue 11/411:32 pmHNL - ORD
1 stop13h 38mDelta
Deal found 9/16$472
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 11/157:47 amORD - HNL
1 stop16h 28mDelta
Wed 12/311:35 pmHNL - ORD
1 stop13h 43mDelta
Deal found 9/16$474
This Delta deal was found by Cheapflights users on 9/16. 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 10/286:00 amMDW - HNL
2 stops18h 09mDelta
Thu 11/62:20 pmHNL - MDW
2 stops14h 35mDelta
Deal found 9/16$476
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 11/105:32 amORD - HNL
1 stop13h 30mDelta
Mon 11/1711:28 pmHNL - ORD
2 stops15h 17mDelta
Deal found 9/16$478
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/247:10 amORD - HNL
1 stop12h 04mDelta
Wed 11/54:10 pmHNL - ORD
1 stop12h 22mDelta
Deal found 9/16$479
This Southwest deal was found by Cheapflights users on 9/16. 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 10/279:25 pmMDW - HNL
1 stop17h 55mSouthwest
Wed 11/59:55 pmHNL - MDW
1 stop14h 45mSouthwest
Deal found 9/16$479
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/276:15 amSTL - HNL
1 stop12h 04mUnited Airlines
Fri 10/317:45 pmHNL - STL
1 stop11h 54mUnited Airlines
Deal found 9/16$479
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/13:14 pmORD - HNL
1 stop13h 32mAmerican Airlines
Sat 11/810:45 pmHNL - ORD
1 stop10h 32mAmerican Airlines
Deal found 9/16$480

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to O'ahu 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 September 17, 2025.
Use the filters below to find and compare flights from Illinois to O'ahu that are best for you.

Fly from

Illinois

Fly to

O'ahu

Route

Depart

Return

Price

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Tue 10/28

7:59 pm-12:22 pm

1 stop21h 23m

Honolulu

Wed 11/5

11:51 pm-11:59 pm

1 stop20h 08m

$469

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Sat 11/1

7:37 am-8:26 pm

2 stops17h 49m

Honolulu

Sun 11/9

11:28 pm-5:18 pm

1 stop13h 50m

$471

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Sun 10/26

7:37 am-7:09 pm

1 stop16h 32m

Honolulu

Sun 11/2

11:32 pm-6:41 pm

2 stops15h 09m

$471

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Sat 11/1

7:37 am-8:26 pm

2 stops17h 49m

Honolulu

Sat 11/8

11:32 pm-5:18 pm

1 stop13h 46m

$471

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Thu 10/30

7:37 am-7:09 pm

1 stop16h 32m

Honolulu

Tue 11/4

11:32 pm-5:10 pm

1 stop13h 38m

$472

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Mon 12/8

8:20 am-9:00 pm

1 stop16h 40m

Honolulu

Fri 12/12

8:00 am-1:30 am

1 stop13h 30m

$479

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Wed 11/5

7:00 am-5:01 pm

1 stop14h 01m

Honolulu

Thu 11/13

11:55 pm-3:18 pm

1 stop11h 23m

$479

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Tue 10/21

7:37 am-7:09 pm

1 stop16h 32m

Honolulu

Fri 10/31

4:50 pm-9:12 am

1 stop11h 22m

$479

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Thu 11/6

7:37 am-8:09 pm

1 stop16h 32m

Honolulu

Tue 11/11

11:28 pm-5:18 pm

1 stop13h 50m

$479

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Tue 11/11

6:00 am-3:25 pm

1 stop13h 25m

Honolulu

Tue 11/18

5:37 pm-8:55 am

1 stop11h 18m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 58 results
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Best time to book a flight from Illinois to O'ahu

Have a flexible travel schedule? Discover the best time to fly to O'ahu 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 O'ahu

What is the cheapest month to book a flight from Illinois to O'ahu?

Currently, November is the cheapest month in which you can book a flight from Illinois to O'ahu (average of $469). Flying from Illinois to O'ahu in June is currently the most expensive (average of $687). 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 FUW?

Find hourly flight availability from Illinois to O'ahu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

Weekly flight availability from Illinois to O'ahu

Explore weekly flight availability from Illinois to O'ahu. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from USIL to zzFUW are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

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

  • How long is the flight from Illinois to O'ahu?

    A quick flight from Illinois to O'ahu can take about 16h 40m. Alaska Airlines provides one of the quickest options available for as low as $479. There are 4243 mi between Illinois and O'ahu. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to O'ahu one-way?

    One-way options have recently been found by users for as low as $240 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $240 and Southwest from $240 one-way.

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

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

  • How can I find direct flights from Illinois to O'ahu?

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

  • Can I find deals for business class flights from Illinois to O'ahu?

    Yes. Cheapflights offers flight deals from Illinois to O'ahu 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 O'ahu?

    Currently, November is the cheapest month in which you can book a flight from Illinois to O'ahu (average of $469). Flying from Illinois to O'ahu in June is currently the most expensive (average of $687). 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 O'ahu

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Top 6 airlines flying from Illinois to O'ahu

Discover the top 6 airlines that operate flights from Illinois to O'ahu. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$330Average$583FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$405Average$747FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$420Average$666FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$423Average$955FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$553Average$757FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$738Average$1,069FlexibilityNo cancel feeOn-time69%

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