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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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HNL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$461
(Delta)

One-way from

$233
(Delta)

Popular in

December

Cheapest in

February

Average price

$588

Good round-trip deal

$1,024 or less

Good one-way deal

$582 or less
Provider with most accurate pricing for Chicago (CHI)-Honolulu flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Honolulu flights.
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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. 2% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 3/56:45 amORD - HNL
2 stops19h 11mDelta
Sun 3/99:45 pmHNL - ORD
2 stops15h 36mDelta
Deal found 2/20$466
This Delta deal was found by Cheapflights users on 2/20. 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 3/510:19 amMDW - HNL
2 stops15h 37mDelta
Sun 3/910:31 pmHNL - MDW
2 stops14h 47mDelta
Deal found 2/20$466
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/710:27 pmORD - HNL
2 stops27h 23mMultiple Airlines
Tue 4/2211:15 pmHNL - ORD
3 stops26h 18mMultiple Airlines
Deal found 2/20$470
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/134:05 pmORD - HNL
1 stop23h 55mAlaska Airlines
Tue 3/1812:40 pmHNL - ORD
2 stops24h 36mAlaska Airlines
Deal found 2/20$475
This Southwest deal was found by Cheapflights users on 2/19. 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.
Thu 3/65:45 amMDW - HNL
1 stop13h 50mSouthwest
Sun 3/91:55 pmHNL - MDW
1 stop16h 15mSouthwest
Deal found 2/19$485
This Delta deal was found by Cheapflights users on 2/19. 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 4/16:50 amSTL - HNL
1 stop12h 23mDelta
Wed 4/164:05 pmHNL - STL
2 stops15h 51mDelta
Deal found 2/19$500
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/19:39 amSTL - HNL
2 stops14h 42mUnited Airlines
Tue 4/89:50 pmHNL - STL
2 stops12h 57mUnited Airlines
Deal found 2/20$506
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/298:25 amORD - HNL
1 stop16h 16mAmerican Airlines
Tue 4/299:39 pmHNL - ORD
1 stop14h 45mAmerican Airlines
Deal found 2/20$518
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 10/115:50 pmORD - HNL
1 stop22h 05mHawaiian Airlines
Mon 10/209:15 pmHNL - ORD
1 stop14h 04mHawaiian Airlines
Deal found 2/20$520
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 2/247:15 amSTL - HNL
1 stop12h 11mAmerican Airlines
Mon 3/38:02 pmHNL - STL
1 stop9h 57mAmerican Airlines
Deal found 2/19$525
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 3/13:21 pmSTL - HNL
1 stop33h 22mAlaska Airlines
Wed 3/54:20 pmHNL - STL
2 stops27h 39mAlaska Airlines
Deal found 2/20$533
This Southwest deal was found by Cheapflights users on 2/20. 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.
Fri 3/286:00 amORD - HNL
1 stop14h 25mSouthwest
Wed 4/28:30 amHNL - ORD
1 stop10h 25mSouthwest
Deal found 2/20$574

Find flights from Illinois to O'ahu within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

O'ahu

Route

Depart

Return

Price

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Wed 3/5

6:45 am-9:56 pm

2 stops19h 11m

Honolulu

Sun 3/9

9:45 pm-6:21 pm

2 stops15h 36m

$466

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Wed 3/5

10:19 am-9:56 pm

2 stops15h 37m

Honolulu

Sun 3/9

10:31 pm-6:18 pm

2 stops14h 47m

$466

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Mon 4/7

10:27 pm-8:50 pm

2 stops27h 23m

Honolulu

Tue 4/22

11:15 pm-6:33 am

3 stops26h 18m

$470

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Thu 3/13

4:05 pm-11:00 am

1 stop23h 55m

Honolulu

Tue 3/18

12:40 pm-6:16 pm

2 stops24h 36m

$475

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Thu 3/6

5:45 am-3:35 pm

1 stop13h 50m

Honolulu

Sun 3/9

1:55 pm-11:10 am

1 stop16h 15m

$485

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Tue 4/1

6:50 am-2:13 pm

1 stop12h 23m

Honolulu

Wed 4/16

4:05 pm-12:56 pm

2 stops15h 51m

$500

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Tue 4/1

9:39 am-7:21 pm

2 stops14h 42m

Honolulu

Tue 4/8

9:50 pm-3:47 pm

2 stops12h 57m

$506

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Tue 4/29

8:25 am-7:41 pm

1 stop16h 16m

Honolulu

Tue 4/29

9:39 pm-5:24 pm

1 stop14h 45m

$518

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 2/24

7:15 am-3:26 pm

1 stop12h 11m

Honolulu

Mon 3/3

8:02 pm-9:59 am

1 stop9h 57m

$525

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Sat 3/1

3:21 pm-8:43 pm

1 stop33h 22m

Honolulu

Wed 3/5

4:20 pm-11:59 pm

2 stops27h 39m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 46 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.

Travel insights for flights from Illinois to O'ahu

Get recent, data-driven insights about flights from Illinois to O'ahu including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.

The most flights from USIL to zzFUW are scheduled on a Thursday (3 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 February 20, 2025.
To help decide which airline to fly from Illinois to O'ahu, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Delta. Other airlines that offer cheap prices include American Airlines from $253 and Alaska Airlines from $261 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

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Top 5 airlines flying from Illinois to O'ahu

Discover the top 5 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$413Average$743FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$421Average$639FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$421Average$1,097FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$522Average$759FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$797Average$1,130FlexibilityNo cancel feeOn-time69%
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