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$233+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HNL
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$553
(American Airlines)

One-way from

$233
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$940

Good round-trip deal

$965 or less

Good one-way deal

$492 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. 3% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This American Airlines deal was found by Cheapflights users on 6/14. 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 8/127:01 amSTL - HNL
2 stops14h 17mAmerican Airlines
Wed 8/209:11 pmHNL - STL
1 stop15h 19mAmerican Airlines
Deal found 6/14$553
This Hawaiian Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 9/53:35 pmSTL - HNL
1 stop13h 01mHawaiian Airlines
Fri 9/199:45 pmHNL - STL
1 stop11h 54mHawaiian Airlines
Deal found 6/14$555
This Delta deal was found by Cheapflights users on 6/14. 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 9/86:00 amSTL - HNL
1 stop12h 38mDelta
Sat 9/1312:35 pmHNL - STL
2 stops15h 09mDelta
Deal found 6/14$560
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:00 amSTL - HNL
1 stop12h 17mAlaska Airlines
Sun 9/288:43 pmHNL - STL
2 stops22h 16mAlaska Airlines
Deal found 6/15$571
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:00 amORD - HNL
1 stop34h 45mAlaska Airlines
Sat 11/11:40 pmHNL - ORD
1 stop11h 20mAlaska Airlines
Deal found 6/15$594
This Delta deal was found by Cheapflights users on 6/16. 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 8/296:10 amORD - HNL
2 stops15h 26mDelta
Thu 9/44:09 pmHNL - ORD
2 stops15h 36mDelta
Deal found 6/16$595
This American Airlines deal was found by Cheapflights users on 6/14. 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 10/306:00 amBMI - HNL
2 stops15h 56mAmerican Airlines
Tue 11/410:40 pmHNL - BMI
2 stops17h 52mAmerican Airlines
Deal found 6/14$596
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 9/31:35 pmMDW - HNL
1 stop12h 25mSouthwest
Mon 9/811:35 amHNL - MDW
2 stops12h 35mSouthwest
Deal found 6/16$600
This Delta deal was found by Cheapflights users on 6/14. 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 10/44:25 pmMDW - HNL
2 stops32h 25mDelta
Tue 10/289:38 pmHNL - MDW
2 stops15h 29mDelta
Deal found 6/14$603
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:00 amSTL - HNL
1 stop10h 44mUnited Airlines
Mon 7/1411:25 pmHNL - STL
1 stop12h 20mUnited Airlines
Deal found 6/15$613
This Southwest deal was found by Cheapflights users on 6/15. 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.
Mon 9/225:45 amSTL - HNL
2 stops15h 20mSouthwest
Mon 9/299:00 pmHNL - STL
2 stops15h 40mSouthwest
Deal found 6/15$615
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:07 pmORD - HNL
1 stop11h 43mHawaiian Airlines
Sat 9/277:50 amHNL - ORD
1 stop11h 09mHawaiian Airlines
Deal found 6/16$635

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 June 16, 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 8/12

7:01 am-4:18 pm

2 stops14h 17m

Honolulu

Wed 8/20

9:11 pm-5:30 pm

1 stop15h 19m

$553

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Fri 9/5

3:35 pm-11:36 pm

1 stop13h 01m

Honolulu

Fri 9/19

9:45 pm-2:39 pm

1 stop11h 54m

$555

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 9/8

6:00 am-1:38 pm

1 stop12h 38m

Honolulu

Sat 9/13

12:35 pm-8:44 am

2 stops15h 09m

$560

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Sat 9/6

6:00 am-2:30 pm

1 stop13h 30m

Honolulu

Sat 9/13

9:45 pm-2:39 pm

1 stop11h 54m

$580

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Sat 10/18

10:00 am-3:45 pm

1 stop34h 45m

Honolulu

Sat 11/1

1:40 pm-6:00 am

1 stop11h 20m

$594

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Fri 8/29

6:10 am-4:36 pm

2 stops15h 26m

Honolulu

Thu 9/4

4:09 pm-12:45 pm

2 stops15h 36m

$595

BloomingtonHonolulu

BMI - HNL

BMIHNL

Bloomington-Normal

Thu 10/30

6:00 am-4:56 pm

2 stops15h 56m

Honolulu

Tue 11/4

10:40 pm-8:32 pm

2 stops17h 52m

$596

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Wed 9/3

1:35 pm-9:00 pm

1 stop12h 25m

Honolulu

Mon 9/8

11:35 am-5:10 am

2 stops12h 35m

$600

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Mon 8/18

6:04 am-1:15 pm

1 stop12h 11m

Honolulu

Mon 8/25

3:00 pm-8:35 am

1 stop12h 35m

$605

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Thu 7/10

6:00 am-11:44 am

1 stop10h 44m

Honolulu

Mon 7/14

11:25 pm-4:45 pm

1 stop12h 20m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 43 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 June 16, 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 June 16, 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).

Rainfall in O'ahu by month

Plan your trip to O'ahu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in O'ahu ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit O'ahu when rainfall is around 0.3 in.

Temperature in O'ahu by month

Plan your trip to O'ahu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to O'ahu, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing O'ahu

Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated June 16, 2025.
To help decide which airline to fly from Illinois to O'ahu, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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
2,500 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Qatar Airways
7.4
Good
3,585 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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 O'ahu. 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 O'ahu one-way?

    One-way options have recently been found by users for as low as $233 on American Airlines. Other airlines that offer cheap prices include Delta from $263 and Alaska Airlines from $288 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.

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Alternative routes for Illinois to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$361Average$825FlexibilityNo cancel feeOn-time85%
DeltaCheapest$395Average$649FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$419Average$640FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$422Average$1,001FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$559Average$758FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$777Average$1,081FlexibilityNo cancel feeOn-time69%

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