How does KAYAK find such low prices on flights from Illinois to O'ahu?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to O'ahu. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to O'ahu?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to O'ahu from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to O'ahu?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to O'ahu with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to O'ahu?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to O'ahu from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from Illinois to O'ahu from $220

Search hundreds of travel sites at once for deals on flights to O'ahu

...and more

In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Low season	April
High season	July
Cheapest flight	$220

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly with an average 25% increase in price.

Flight from St. Louis to Honolulu

How does KAYAK find such low prices on flights from Illinois to O'ahu?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to O'ahu.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to O'ahu?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to O'ahu from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to O'ahu?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to O'ahu with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to O'ahu?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to O'ahu from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to O'ahu

Recent round-trip flight deals

9/21Sat

2 stopsAlaska Airlines

23h 58mSTL-HNL

9/27Fri

2 stopsAlaska Airlines

21h 21mHNL-STL

$442

9/23Mon

2 stopsDelta

19h 58mSTL-HNL

9/24Tue

2 stopsDelta

15h 35mHNL-STL

$446

9/10Tue

2 stopsAlaska Airlines

18h 07mSTL-HNL

9/24Tue

2 stopsAlaska Airlines

20h 13mHNL-STL

$463

9/18Wed

2 stopsAlaska Airlines

18h 07mSTL-HNL

9/26Thu

1 stopAlaska Airlines

22h 32mHNL-STL

$467

9/18Wed

2 stopsAlaska Airlines

18h 07mSTL-HNL

9/26Thu

2 stopsAlaska Airlines

20h 13mHNL-STL

$468

9/10Tue

1 stopAmerican Airlines

11h 34mSTL-HNL

9/10Tue

2 stopsAmerican Airlines

14h 59mHNL-STL

$479

9/2Mon

1 stopAmerican Airlines

12h 15mSTL-HNL

9/10Tue

2 stopsAmerican Airlines

14h 59mHNL-STL

$485

8/29Thu

1 stopUnited Airlines

12h 06mSTL-HNL

9/4Wed

1 stopUnited Airlines

12h 27mHNL-STL

$519

8/7Wed

1 stopUnited Airlines

10h 54mSTL-HNL

8/12Mon

1 stopUnited Airlines

35h 39mHNL-STL

$552

7/2Tue

1 stop

19h 00mORD-HNL

7/9Tue

3 stops

27h 31mHNL-ORD

$716

Recent one-way flight deals

8/6Tue

1 stopAmerican Airlines

11h 47mSTL-HNL

$220

8/3Sat

1 stopAlaska Airlines

33h 25mSTL-HNL

$226

9/30Mon

1 stopAmerican Airlines

11h 34mSTL-HNL

$240

8/7Wed

1 stopAlaska Airlines

33h 25mSTL-HNL

$256

8/9Fri

2 stopsDelta

17h 23mSTL-HNL

$259

8/8Thu

2 stopsDelta

16h 14mSTL-HNL

$296

8/17Sat

2 stopsUnited Airlines

22h 42mMLI-HNL

$306

8/8Thu

1 stopUnited Airlines

10h 54mSTL-HNL

$320

7/24Wed

3 stopsWestJet

33h 03mORD-HNL

$659

6/24Mon

3 stopsWestJet

33h 03mORD-HNL

$735

Last minute flights from Illinois to O'ahu

Last minute flight, train and bus deals

6/14Fri

multi-stopAmerican Airlines

11h 08mORD-HNL

6/16Sun

multi-stopAmerican Airlines

12h 47mHNL-ORD

$610

6/12Wed

multi-stopAlaska Airlines

24h 05mSTL-HNL

6/18Tue

multi-stopAlaska Airlines

12h 10mHNL-STL

$641

6/12Wed

multi-stopDelta

14h 25mSTL-HNL

6/18Tue

multi-stopDelta

15h 40mHNL-STL

$650

6/12Wed

multi-stopDelta

14h 55mSTL-HNL

6/18Tue

multi-stopDelta

15h 40mHNL-STL

$655

6/14Fri

multi-stopAmerican Airlines

11h 59mSTL-HNL

6/16Sun

multi-stopAmerican Airlines

12h 14mHNL-STL

$660

6/12Wed

multi-stopDelta

11h 00mSTL-HNL

6/18Tue

multi-stopDelta

13h 26mHNL-STL

$695

6/15Sat

multi-stopUnited Airlines

12h 10mSTL-HNL

6/17Mon

multi-stopUnited Airlines

37h 39mHNL-STL

$713

6/12Wed

multi-stopUnited Airlines

10h 59mSTL-HNL

6/20Thu

multi-stopUnited Airlines

16h 59mHNL-STL

$745

6/15Sat

multi-stopWestJet

31h 47mMDW-HNL

6/22Sat

multi-stopWestJet

35h 24mHNL-MDW

$2,741

6/15Sat

multi-stopWestJet

31h 47mMDW-HNL

6/22Sat

multi-stopWestJet

35h 24mHNL-MDW

$2,871

Flights to O'ahu

Return flight deals:

O'ahu - Illinois

Cabin classes:

$172

$194

$310

$37

Browse origins:

$1,114

Flights from Bloomington to O'ahu

$1,005

Flights from Champaign to O'ahu

Flights from Chicago O'Hare Intl Airport to O'ahu

$385

Flights from Chicago to O'ahu

$1,172

Flights from Decatur to O'ahu

$795

Flights from Dubuque to O'ahu

$1,027

Flights from Evansville to O'ahu

$509

Flights from Moline to O'ahu

$1,060

Flights from Peoria to O'ahu

$1,003

Flights from Springfield to O'ahu

$484

Flights from St. Louis to O'ahu

Browse destinations:

$385

Flights to Honolulu, O'ahu

Find cheap flights from Illinois to O'ahu from $220

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Illinois to O'ahu departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Search hundreds of travel sites at once for deals on flights to O'ahu

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to O'ahu

How does KAYAK find such low prices on flights from Illinois to O'ahu?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to O'ahu?

What is the Hacker Fare option on flights from Illinois to O'ahu?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to O'ahu?

Book cheap flights from Illinois to O'ahu

Recent round-trip flight deals

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Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to O'ahu

Last minute flight, train and bus deals

Search by stops

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Flights to O'ahu

Return flight deals:

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