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O'ahu

$198+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HNL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/186:30 amSTL - HNL
1 stop12h 27mUnited Airlines
Thu 12/2510:50 pmHNL - STL
1 stop10h 30mUnited Airlines
Deal found 12/17$613
This Delta deal was found by Cheapflights users on 12/17. 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 12/186:15 amSTL - HNL
2 stops18h 14mDelta
Thu 12/256:30 pmHNL - STL
1 stop13h 51mDelta
Deal found 12/17$618
This Delta deal was found by Cheapflights users on 12/16. 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 12/257:25 amORD - HNL
2 stops18h 35mDelta
Wed 1/215:15 pmHNL - ORD
1 stop11h 25mDelta
Deal found 12/16$638
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:55 amORD - HNL
1 stop13h 11mMultiple Airlines
Tue 12/238:13 amHNL - ORD
1 stop31h 49mMultiple Airlines
Deal found 12/15$639
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/163:05 pmORD - HNL
1 stop25h 26mMultiple Airlines
Thu 12/181:43 pmHNL - ORD
1 stop11h 19mMultiple Airlines
Deal found 12/16$667
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/247:20 amSTL - HNL
2 stops18h 40mDelta
Tue 12/304:45 pmHNL - STL
1 stop12h 13mDelta
Deal found 12/16$697
This Delta deal was found by Cheapflights users on 12/17. 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 12/317:20 amSTL - HNL
2 stops18h 24mDelta
Sat 1/1010:30 pmHNL - STL
2 stops19h 05mDelta
Deal found 12/17$703
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/1610:45 amORD - HNL
1 stop13h 54mUnited Airlines
Thu 12/186:05 pmHNL - ORD
Nonstop8h 11mUnited Airlines
Deal found 12/16$708
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/177:50 amORD - HNL
1 stop16h 39mDelta
Wed 12/2411:15 pmHNL - ORD
1 stop10h 31mDelta
Deal found 12/16$717
This Southwest deal was found by Cheapflights users on 12/15. 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 12/168:55 pmMDW - HNL
1 stop18h 25mSouthwest
Tue 12/239:00 pmHNL - MDW
1 stop11h 45mSouthwest
Deal found 12/15$717
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:17 pmORD - HNL
2 stops20h 38mMultiple Airlines
Wed 12/2410:07 amHNL - ORD
1 stop30h 16mMultiple Airlines
Deal found 12/16$725
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/316:15 amORD - HNL
1 stop13h 33mUnited Airlines
Tue 1/67:30 amHNL - ORD
1 stop13h 28mUnited Airlines
Deal found 12/17$737

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Delta)

One-way from

$198
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$898

Good round-trip deal

$655 or less

Good one-way deal

$386 or less
Provider with most accurate pricing for Chicago (CHI)-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Honolulu flights.
Search Deals
From Illinois to O'ahu
Search Deals
One-way flight from Illinois to O'ahu
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to O'ahu.
Search Deals
Price to beat on a one-way flight from Illinois to O'ahu.
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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 December 18, 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

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Tue 4/21

6:30 am-1:53 pm

1 stop12h 23m

Honolulu

Wed 4/29

3:10 pm-9:30 am

1 stop13h 20m

$421

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Sun 2/1

6:35 am-3:15 pm

1 stop12h 40m

Honolulu

Fri 2/6

4:45 pm-9:34 am

1 stop12h 49m

$421

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Sun 1/11

6:10 am-3:11 pm

1 stop13h 01m

Honolulu

Fri 1/16

4:44 pm-10:41 am

2 stops13h 57m

$427

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Wed 4/29

6:45 am-2:35 pm

1 stop12h 50m

Honolulu

Wed 5/6

8:35 pm-6:00 pm

2 stops16h 25m

$427

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 2/23

7:00 am-4:01 pm

1 stop13h 01m

Honolulu

Wed 2/25

9:45 pm-1:51 pm

1 stop12h 06m

$477

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Mon 1/19

9:00 am-9:21 pm

1 stop16h 21m

Honolulu

Sat 1/24

12:58 pm-11:37 pm

1 stop30h 39m

$484

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Fri 1/30

6:00 am-3:10 pm

1 stop13h 10m

Honolulu

Fri 2/6

4:45 pm-8:52 am

1 stop12h 07m

$487

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Wed 1/7

8:45 am-4:43 pm

1 stop11h 58m

Honolulu

Mon 1/12

8:40 pm-1:16 pm

1 stop12h 36m

$488

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Fri 4/24

6:00 am-1:25 pm

1 stop12h 25m

Honolulu

Thu 4/30

1:25 pm-5:47 am

1 stop11h 22m

$488

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Wed 4/22

7:15 am-7:21 pm

2 stops17h 06m

Honolulu

Fri 5/1

3:35 pm-10:00 am

1 stop13h 25m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 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, January is the cheapest month in which you can book a flight from Illinois to O'ahu (average of $310). Flying from Illinois to O'ahu in July is currently the most expensive (average of $663). 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 December 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from Illinois to O'ahu by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to O'ahu?

Use this chart to determine the cheapest time to fly round-trip from Illinois to O'ahu. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to O'ahu flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.

The most flights from USIL to zzFUW are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 12h 23m. Delta provides one of the quickest options available for as low as $421. There are 4120 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 $211 on Delta. Other airlines that offer cheap prices include American Airlines from $215 and Alaska Airlines from $230 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, January is the cheapest month in which you can book a flight from Illinois to O'ahu (average of $310). Flying from Illinois to O'ahu in July is currently the most expensive (average of $663). 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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$322Average$597FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$405Average$732FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$425Average$674FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$459Average$975FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$564Average$756FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$664Average$1,050FlexibilityNo cancel feeOn-time69%

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