HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'ahu

$205+ 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
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to O'ahu with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 1, 2025.

Round-trip from

$409
(Hawaiian Airlines)

One-way from

$205
(Delta)

Popular in

December

Cheapest in

February

Average price

$783

Good round-trip deal

$938 or less

Good one-way deal

$502 or less
From Illinois to O'ahu
Search Deals
One-way flight from Illinois to O'ahu
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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.
Search Deals

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 August 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/23:35 pmSTL - HNL
1 stop13h 11mAlaska Airlines
Tue 9/911:09 pmHNL - STL
1 stop13h 25mAlaska Airlines
Deal found 7/31$409
This Delta deal was found by Cheapflights users on 7/31. 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 11/116:30 amSTL - HNL
1 stop12h 54mDelta
Tue 11/181:35 pmHNL - STL
2 stops15h 09mDelta
Deal found 7/31$414
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/169:00 amSTL - HNL
2 stops12h 29mUnited Airlines
Tue 9/238:10 pmHNL - STL
2 stops13h 09mUnited Airlines
Deal found 7/29$420
This Southwest deal was found by Cheapflights users on 7/30. 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.
Mon 11/109:50 amSTL - HNL
2 stops15h 10mSouthwest
Thu 11/139:55 pmHNL - STL
1 stop14h 15mSouthwest
Deal found 7/30$441
This American Airlines deal was found by Cheapflights users on 7/30. 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 11/116:00 amSTL - HNL
1 stop13h 15mAmerican Airlines
Tue 11/1811:00 pmHNL - STL
1 stop10h 40mAmerican Airlines
Deal found 7/30$454
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 11/69:20 amORD - HNL
2 stops18h 05mAlaska Airlines
Mon 11/1012:40 pmHNL - ORD
1 stop26h 19mAlaska Airlines
Deal found 7/28$471
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 9/208:52 amORD - HNL
2 stops16h 38mDelta
Sat 9/271:00 pmHNL - ORD
2 stops14h 25mDelta
Deal found 7/29$474
This Delta deal was found by Cheapflights users on 7/29. 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.
Wed 9/179:20 amMDW - HNL
2 stops16h 10mDelta
Wed 9/244:10 pmHNL - MDW
2 stops15h 18mDelta
Deal found 7/29$474
This Southwest deal was found by Cheapflights users on 7/31. 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 9/171:35 pmMDW - HNL
1 stop12h 25mSouthwest
Tue 9/239:10 pmHNL - MDW
1 stop16h 55mSouthwest
Deal found 7/31$475
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/211:45 amORD - HNL
1 stop14h 49mAmerican Airlines
Tue 9/911:02 pmHNL - ORD
1 stop11h 49mAmerican Airlines
Deal found 7/30$481
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 9/263:35 pmSTL - HNL
1 stop13h 11mHawaiian Airlines
Fri 10/1711:30 pmHNL - STL
1 stop10h 31mHawaiian Airlines
Deal found 7/31$489
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/47:50 amBMI - HNL
2 stops15h 04mAmerican Airlines
Wed 9/1011:02 pmHNL - BMI
2 stops18h 42mAmerican Airlines
Deal found 7/30$611

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 August 1, 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 9/2

6:00 am-1:38 pm

1 stop12h 38m

Honolulu

Thu 9/11

4:10 pm-8:37 am

1 stop11h 27m

$409

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Tue 9/30

3:35 pm-11:46 pm

1 stop13h 11m

Honolulu

Fri 10/17

11:30 pm-3:01 pm

1 stop10h 31m

$436

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 9/22

3:35 pm-11:46 pm

1 stop13h 11m

Honolulu

Mon 9/29

9:45 pm-2:39 pm

1 stop11h 54m

$462

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 9/1

6:15 am-1:30 pm

1 stop12h 15m

Honolulu

Mon 9/8

8:03 pm-3:44 pm

2 stops14h 41m

$467

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 9/22

8:00 am-1:56 pm

1 stop10h 56m

Honolulu

Mon 9/29

11:02 pm-6:22 pm

2 stops14h 20m

$468

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Tue 10/7

8:20 am-10:22 pm

2 stops19h 02m

Honolulu

Mon 10/13

11:37 pm-6:59 pm

2 stops14h 22m

$472

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Sat 9/20

8:52 am-8:30 pm

2 stops16h 38m

Honolulu

Sat 9/27

1:00 pm-8:25 am

2 stops14h 25m

$474

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Wed 9/17

9:20 am-8:30 pm

2 stops16h 10m

Honolulu

Wed 9/24

4:10 pm-12:28 pm

2 stops15h 18m

$474

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Wed 9/17

1:35 pm-9:00 pm

1 stop12h 25m

Honolulu

Tue 9/23

9:10 pm-7:05 pm

1 stop16h 55m

$475

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Tue 9/2

11:45 am-9:34 pm

1 stop14h 49m

Honolulu

Tue 9/9

11:02 pm-3:51 pm

1 stop11h 49m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 47 results
1
2
3
...
5

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 August 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 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 August 1, 2025.

The most flights from USIL to zzFUW are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 August 1, 2025.
Read through reviews of airlines operating flights from Illinois to O'ahu, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $205 on Delta. Other airlines that offer cheap prices include United Airlines from $210 and Alaska Airlines from $244 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
Seattle to Honolulu flights
San Francisco to Honolulu flights
John F Kennedy Intl to Honolulu flights
Ontario to Honolulu flights
Los Angeles to Kahului flights
O'Hare Intl to Honolulu flights
Dallas/Fort Worth to Honolulu flights
Los Angeles to Lihue flights
San Francisco to Kahului flights
Atlanta to Honolulu flights
Newark to Honolulu flights
San Diego to Honolulu flights
Hobby to Honolulu flights
Los Angeles to Kailua-Kona flights
Seattle to Kahului flights
San Jose to Honolulu flights
Denver to Honolulu flights
Portland to Honolulu flights
Dulles Intl to Honolulu flights
George Bush Intcntl to Honolulu flights
San Francisco to Kailua-Kona flights
Sky Harbor Intl to Honolulu flights
Seattle to Kailua-Kona flights
Las Vegas to Honolulu flights
Boston to Honolulu flights
San Francisco to Lihue flights
Oakland to Honolulu flights
LaGuardia to Honolulu flights
Minneapolis to Honolulu flights
Sacramento to Honolulu flights
Salt Lake City to Honolulu flights
Seattle to Lihue flights
Long Beach to Honolulu flights
Denver to Kailua-Kona flights
San Diego to Kahului flights
Baltimore to Honolulu flights
Denver to Kahului flights
Reagan-National to Honolulu flights
John F Kennedy Intl to Kahului flights
Portland to Kahului flights
Denver to Lihue flights
O'Hare Intl to Kahului flights
Sky Harbor Intl to Kahului flights
Sacramento to Kahului flights
Portland to Kailua-Kona flights
Ontario to Kahului flights
San Jose to Kahului flights
Love Field to Honolulu flights
Detroit to Honolulu flights

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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$361Average$780FlexibilityNo cancel feeOn-time85%
DeltaCheapest$397Average$645FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$420Average$642FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$423Average$994FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$559Average$759FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$772Average$1,072FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.