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 $258 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $268 and Southwest from $283 one-way.

How far in advance should I book a flight from Illinois to O'ahu?

To save on the cost of your flight from Illinois to O'ahu, book at least 54 days before your planned departure. Booking around this time can save you about 33% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $677 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $794.

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

February is one of the best times of the year to fly to O'ahu from Illinois. Prices for February average $773 per person but you can even find prices for as low as $421. The most expensive prices can be found in the month of December. Opting for a February flight can save you 41% on your journey compared to booking in December

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.

$258+ Flights from Illinois to O'ahu

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$515 (American Airlines)
One-way from	$258 (American Airlines)
Popular in	December
Cheapest in	February
Average price	$702
Good round-trip deal	$1,025 or less
Good one-way deal	$522 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. 2% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 4, 2025.

Mon 9/86:15 amSTL - HNL

1 stop12h 05mUnited Airlines

Mon 9/89:40 pmHNL - STL

2 stops13h 46mUnited Airlines

Deal found 4/3

$501

Sun 9/76:45 amSTL - HNL

1 stop12h 30mDelta

Fri 9/124:10 pmHNL - STL

1 stop11h 34mDelta

Deal found 4/3

$514

Thu 5/16:15 amSTL - HNL

1 stop11h 00mAmerican Airlines

Thu 5/86:20 amHNL - STL

1 stop11h 44mAmerican Airlines

Deal found 4/3

$515

Mon 5/56:58 pmORD - HNL

1 stop19h 42mAlaska Airlines

Mon 5/128:05 pmHNL - ORD

2 stops15h 55mAlaska Airlines

Deal found 4/4

$527

Mon 5/57:25 amORD - HNL

1 stop11h 20mDelta

Wed 5/143:21 pmHNL - ORD

1 stop11h 28mDelta

Deal found 4/3

$531

Tue 4/296:04 amMDW - HNL

1 stop12h 35mDelta

Tue 5/62:40 pmHNL - MDW

1 stop13h 00mDelta

Deal found 4/3

$531

Thu 5/16:15 amORD - HNL

2 stops15h 10mSouthwest

Mon 5/59:00 pmHNL - ORD

1 stop13h 25mSouthwest

Deal found 4/4

$536

Sat 8/97:32 pmSTL - HNL

1 stop20h 43mAlaska Airlines

Wed 8/202:15 pmHNL - STL

1 stop19h 02mAlaska Airlines

Deal found 4/2

$549

Wed 9/1010:00 amORD - HNL

1 stop11h 51mAmerican Airlines

Mon 9/1512:45 pmHNL - ORD

1 stop11h 33mAmerican Airlines

Deal found 4/4

$552

Fri 9/56:30 amSTL - HNL

1 stop11h 42mHawaiian Airlines

Fri 9/199:27 pmHNL - STL

1 stop11h 50mHawaiian Airlines

Deal found 4/3

$559

Sat 9/68:25 amMDW - HNL

1 stop12h 40mSouthwest

Tue 9/1611:35 amHNL - MDW

2 stops12h 25mSouthwest

Deal found 4/3

$594

Wed 9/107:15 amORD - HNL

2 stops16h 18mUnited Airlines

Mon 9/1510:30 pmHNL - ORD

2 stops16h 03mUnited Airlines

Deal found 4/4

$665

Best flights from Illinois to O'ahu
Discover carefully curated flight deals from Illinois to O'ahu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Thu 5/16:15 amSTL - HNL

1 stop11h 00mAmerican Airlines

Thu 5/86:20 amHNL - STL

1 stop11h 44mAmerican Airlines

Deal found 4/3

$515

Fri 5/21:41 pmSTL - HNL

1 stop11h 19mUnited Airlines

Wed 5/79:40 pmHNL - STL

2 stops13h 53mUnited Airlines

Deal found 4/3

$520

Mon 5/56:58 pmORD - HNL

1 stop19h 42mAlaska Airlines

Mon 5/128:05 pmHNL - ORD

2 stops15h 55mAlaska Airlines

Deal found 4/4

$527

Mon 5/57:25 amORD - HNL

1 stop11h 20mDelta

Mon 5/123:09 pmHNL - ORD

1 stop13h 42mDelta

Deal found 4/3

$531

Thu 5/16:15 amORD - HNL

2 stops15h 10mSouthwest

Mon 5/59:00 pmHNL - ORD

1 stop13h 25mSouthwest

Deal found 4/4

$536

Tue 5/136:00 amORD - HNL

2 stops22h 29mMultiple Airlines

Mon 5/193:35 pmHNL - ORD

2 stops22h 20mMultiple Airlines

Deal found 4/4

$553

Tue 5/203:03 pmSTL - HNL

1 stop11h 32mHawaiian Airlines

Tue 6/311:45 pmHNL - STL

1 stop12h 37mHawaiian Airlines

Deal found 4/3

$601

Tue 4/296:04 amMDW - HNL

1 stop12h 35mDelta

Tue 5/62:40 pmHNL - MDW

1 stop13h 00mDelta

Deal found 4/3

$531

Tue 5/203:03 pmSTL - HNL

1 stop13h 04mAlaska Airlines

Tue 5/279:30 pmHNL - STL

1 stop11h 37mAlaska Airlines

Deal found 4/4

$550

Thu 5/13:17 pmORD - HNL

1 stop12h 26mAmerican Airlines

Fri 5/26:20 amHNL - ORD

1 stop12h 39mAmerican Airlines

Deal found 4/3

$556

Mon 5/56:00 amSTL - HNL

2 stops15h 00mDelta

Fri 5/91:20 pmHNL - STL

2 stops14h 36mDelta

Deal found 4/3

$539

Wed 4/3012:35 pmMDW - HNL

1 stop13h 25mSouthwest

Sun 5/48:05 amHNL - MDW

1 stop12h 45mSouthwest

Deal found 4/3

$604

Last-minute flights from Illinois to O'ahu
Discover last-minute flight deals from Illinois to O'ahu. Data last updated April 4, 2025 and is based on user searches.

Wed 4/95:26 amSTL - HNL

1 stop12h 14mAmerican Airlines

Mon 4/149:20 pmHNL - STL

1 stop11h 22mAmerican Airlines

Deal found 4/4

$545

Wed 4/96:50 amSTL - HNL

1 stop12h 00mDelta

Mon 4/144:05 pmHNL - STL

2 stops15h 56mDelta

Deal found 4/4

$551

Wed 4/97:10 amORD - HNL

2 stops18h 09mUnited Airlines

Wed 4/165:15 pmHNL - ORD

Nonstop8h 10mUnited Airlines

Deal found 4/3

$867

Wed 4/910:00 amORD - HNL

1 stop13h 45mHawaiian Airlines

Wed 4/168:26 pmHNL - ORD

1 stop11h 39mHawaiian Airlines

Deal found 4/4

$1,055

Wed 4/98:55 amMLI - HNL

2 stops18h 03mUnited Airlines

Tue 4/1510:05 pmHNL - MLI

2 stops18h 30mUnited Airlines

Deal found 4/3

$1,068

Thu 4/106:15 amORD - HNL

1 stop12h 50mSouthwest

Thu 4/178:10 amHNL - ORD

1 stop10h 30mSouthwest

Deal found 4/3

$763

Thu 4/107:00 amORD - HNL

2 stops18h 50mAlaska Airlines

Tue 4/158:40 pmHNL - ORD

2 stops16h 36mAlaska Airlines

Deal found 4/2

$804

Thu 4/1011:17 amSPI - HNL

2 stops16h 26mAmerican Airlines

Thu 4/171:45 pmHNL - SPI

2 stops16h 02mAmerican Airlines

Deal found 4/3

$1,152

Fri 4/118:00 amMDW - HNL

1 stop13h 05mSouthwest

Wed 4/168:05 amHNL - MDW

1 stop10h 50mSouthwest

Deal found 4/3

$718

Fri 4/116:00 amORD - HNL

1 stop13h 37mAmerican Airlines

Fri 4/186:15 amHNL - ORD

1 stop12h 44mAmerican Airlines

Deal found 4/4

$853

Mon 4/146:04 amMDW - HNL

1 stop12h 35mDelta

Wed 4/232:40 pmHNL - MDW

1 stop13h 00mDelta

Deal found 4/4

$878

Mon 4/1412:15 pmORD - HNL

2 stops13h 26mDelta

Wed 4/234:05 pmHNL - ORD

2 stops15h 34mDelta

Deal found 4/4

$889

One-way flights from Illinois to O'ahu
Search for one-way flight options from Illinois to O'ahu. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Sun 5/45:26 amSTL - HNL

1 stop14h 11mAmerican Airlines

Deal found 4/3

$258

Mon 5/121:33 pmORD - HNL

1 stop12h 38mAmerican Airlines

Deal found 4/3

$266

Sat 5/39:00 amORD - HNL

2 stops18h 40mAlaska Airlines

Deal found 4/4

$268

Thu 5/15:00 amSTL - HNL

2 stops16h 25mSouthwest

Deal found 4/3

$283

Fri 4/2511:55 amMDW - HNL

1 stop14h 05mSouthwest

Deal found 4/3

$296

Sat 4/265:25 pmORD - HNL

2 stops21h 40mSouthwest

Deal found 4/3

$301

Fri 4/2510:20 amMDW - HNL

2 stops15h 21mDelta

Deal found 4/3

$301

Sat 4/121:43 pmSTL - HNL

1 stop11h 17mUnited Airlines

Deal found 4/4

$301

Sat 4/126:00 amSTL - HNL

2 stops19h 53mDelta

Deal found 4/4

$306

Thu 5/153:03 pmSTL - HNL

1 stop11h 32mHawaiian Airlines

Deal found 4/3

$309

Thu 5/153:03 pmSTL - HNL

2 stops20h 36mAlaska Airlines

Deal found 4/3

$326

Sun 5/116:30 amORD - HNL

1 stop15h 16mUnited Airlines

Deal found 4/3

$337

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to O'ahu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Thu 5/1

6:15 am-12:15 pm

1 stop11h 00m

Honolulu

Thu 5/8

6:20 am-11:04 pm

1 stop11h 44m

$515

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Fri 5/2

1:41 pm-8:00 pm

1 stop11h 19m

Honolulu

Wed 5/7

9:40 pm-4:33 pm

2 stops13h 53m

$520

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Mon 5/5

6:58 pm-9:40 am

1 stop19h 42m

Honolulu

Mon 5/12

8:05 pm-5:00 pm

2 stops15h 55m

$527

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Mon 5/5

7:25 am-1:45 pm

1 stop11h 20m

Honolulu

Mon 5/12

3:09 pm-9:51 am

1 stop13h 42m

$531

ChicagoHonolulu

MDW - HNL

MDWHNL

Chicago Midway

Tue 4/29

6:04 am-1:39 pm

1 stop12h 35m

Honolulu

Tue 5/6

2:40 pm-8:40 am

1 stop13h 00m

$531

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Thu 5/1

6:15 am-4:25 pm

2 stops15h 10m

Honolulu

Mon 5/5

9:00 pm-3:25 pm

1 stop13h 25m

$536

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Mon 5/5

6:00 am-4:00 pm

2 stops15h 00m

Honolulu

Fri 5/9

1:20 pm-8:56 am

2 stops14h 36m

$539

St. LouisHonolulu

STL - HNL

STLHNL

Lambert-St Louis

Tue 5/20

3:03 pm-11:07 pm

1 stop13h 04m

Honolulu

Tue 5/27

9:30 pm-2:07 pm

1 stop11h 37m

$550

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Tue 5/13

6:00 am-11:29 pm

2 stops22h 29m

Honolulu

Mon 5/19

3:35 pm-6:55 pm

2 stops22h 20m

$553

ChicagoHonolulu

ORD - HNL

ORDHNL

Chicago O'Hare Intl

Thu 5/1

3:17 pm-10:43 pm

1 stop12h 26m

Honolulu

Fri 5/2

6:20 am-11:59 pm

1 stop12h 39m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 40 results

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?

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

The most flights from USIL to zzFUW are scheduled on a Wednesday (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

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

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

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

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,839 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,276 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,900 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,349 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,618 reviews

Alaska Airlines

8.0

Very good

9,839 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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 $258 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $268 and Southwest from $283 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

Alternative routes for Illinois to O'ahu

Los Angeles to Honolulu flights

San Francisco to Honolulu flights

John F Kennedy Intl to Honolulu flights

Seattle to Honolulu flights

Los Angeles to Kahului flights

O'Hare Intl to Honolulu flights

Ontario to Honolulu flights

Seattle to Kahului flights

Los Angeles to Lihue flights

San Diego to Honolulu flights

Newark to Honolulu flights

Dallas/Fort Worth to Honolulu flights

San Francisco to Kahului flights

Sky Harbor Intl to Honolulu flights

Dulles Intl to Honolulu flights

Los Angeles to Kailua-Kona flights

San Jose to Honolulu flights

Seattle to Kailua-Kona flights

Denver to Honolulu flights

Hobby to Honolulu flights

Salt Lake City to Honolulu flights

Atlanta to Honolulu flights

San Francisco to Kailua-Kona flights

Oakland to Honolulu flights

Las Vegas to Honolulu flights

George Bush Intcntl to Honolulu flights

Sacramento to Honolulu flights

San Francisco to Lihue flights

LaGuardia to Honolulu flights

Denver to Kahului flights

Portland to Honolulu flights

Long Beach to Honolulu flights

San Diego to Lihue flights

Minneapolis to Honolulu flights

Detroit to Honolulu flights

Seattle to Lihue flights

Baltimore to Honolulu flights

Reagan-National to Honolulu flights

Boston to Honolulu flights

San Jose to Kahului flights

Denver to Kailua-Kona flights

Oakland to Kahului flights

San Diego to Kahului flights

Denver to Lihue flights

Sky Harbor Intl to Kahului flights

Sacramento to Kahului flights

Portland to Kahului flights

John F Kennedy Intl to Kahului flights

O'Hare Intl to Kahului flights

Philadelphia to Honolulu flights

Top 6 airlines flying from Illinois to O'ahu

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$361	Average$828	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$413	Average$732	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$420	Average$643	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$421	Average$1,054	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$522	Average$753	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$823	Average$1,118	FlexibilityNo cancel fee	On-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.

$258+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to O'ahu with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 4, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to O'ahu

Cheapest flights from Illinois to O'ahuExplore 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 April 4, 2025.

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 April 4, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to O'ahu that are best for you.

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.

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?

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 April 4, 2025.

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 April 4, 2025.

Rainfall in O'ahu by month

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

Temperature in O'ahu by month

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

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 April 4, 2025.

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?

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

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

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

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

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.

Top 6 airlines flying from Illinois to O'ahu

100% Free

Book with Flexibility

Travel Smart

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 April 4, 2025.