$217 Find Cheap Flights from O'ahu to Illinois - Compare and Save

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Low season

January

Cheapest flight

$217
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Honolulu to St. Louis

FAQs for booking flights from O'ahu to Illinois

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

    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 O'ahu to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from O'ahu to 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 O'ahu to Illinois?

    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 from O'ahu to Illinois with an airline and back with another airline.

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

    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 from O'ahu to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many airports are there in Illinois?

    There are 12 airports in Illinois. The busiest airport is Chicago O'Hare Airport (ORD), with 92% of all flights arriving there.

  • Which is the cheapest airport to fly into in Illinois?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Illinois is Chicago O'Hare Intl Airport (ORD), with an average flight price of $447.

  • What is the cheapest day to fly to Illinois?

    Based on KAYAK data, the cheapest day to fly to Illinois is Wednesday where round-trip tickets can be as cheap as $759. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,079 on average.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $813 on average. The most expensive time of day to fly to Illinois is generally at night, which is peak travel time and where the average cost of a ticket is $828.

  • What is the cheapest flight to Illinois?

    The cheapest ticket to Illinois from O'ahu found in the last 5 days was to Chicago O'Hare Intl Airport, at $477 round-trip. The most popular route is Honolulu (HNL) to Chicago O'Hare Intl Airport (ORD) and the cheapest round-trip airline ticket found on this route in the last 5 days was $477.

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

    The cheapest month for flights from O'ahu to Illinois is November, when tickets cost $368 (return) on average. On the other hand, the most expensive months are October and June, when the average cost of round-trip tickets is $585 and $545 respectively.

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

    To get a below average price on the flight from O'ahu to Illinois, you should book around 2 weeks before departure, which saves you about 5% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

  • How many cities have direct flights to Illinois?

    From O'ahu, there are direct flights to Illinois from 1 city. This city is Honolulu and there are 14 direct flights each week.

  • How many direct flights to Illinois are there each day?

    There are around 2 direct flights from within O'ahu to Illinois every day. All flights depart in the afternoon.

  • How many direct flights to Illinois are there each week?

    Each week there are around 14 direct flights from within O'ahu to Illinois. The most common day for departures is Monday, with 14% of flights taking off on this day.

  • How long is the flight to Illinois?

    An average nonstop flight from O'ahu to Illinois takes 14h 53m, covering a distance of 4195 miles. The shortest route is Honolulu (HNL) to Chicago O'Hare Intl Airport (ORD) with an average flight time of 8h 04m.

  • How many long-haul flights are there to Illinois each week?

    There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Illinois. Instead, there are 14 long-haul flights (6-12 hour flight duration), with the most arriving from Honolulu.

  • What is the most popular destination in Illinois?

    Based on KAYAK flight searches, the most popular destination is Chicago (100% of total searches to Illinois).

Reviews of the top 5 airlines serving from O'ahu to Illinois

 
Need help choosing which airline to fly with from O'ahu to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4203 reviews
8.1Boarding
8.0Comfort
8.6Crew
7.0Food
7.5Entertainment
Airline reviews

Flight was delayed over 3 hours. Planes were dirty. Staff indifferent. And they serve vegan pretzels as snacks.

2.0 MediocreMatthew, Jun 2026
Read more Southwest reviews

Flight was delayed over 3 hours. Planes were dirty. Staff indifferent. And they serve vegan pretzels as snacks.

The flight was smooth. The Southwest experience has degraded overall, but this one was okay.

The checking experience in Orlando was terrible, almost missed the flight. Too many travelers and Southwest completely understaffed.

no service at all due to turbulence. they should've at least given us snacks, there were only 10 people on the entire flight.

For the first time in a long time, the Wi-Fi actually worked the entire flight! The flight crew was amazing as usual.

Great flight. I didn't get a drink because I was asleep whole on the flight.

Love them will get a Southwest card to track my points and keep flying with them. My family and I were pleased with the services.

WiFi was not working and didn’t have a beverage service

All good except once again bags took an hour at Midway Airport Happens all the time. Ridiculous

The seats were comfortable, and the boarding process was pretty smooth.

Potatoes were not cooked in the pork potato meal. Flight attendants were great in first class.

I paid extra to choose my seat. I chose a window seat. I don’t know if it was a disconnect between KAYAK or the airline but when we got to the airport, the seat was changed to a middle seat. Didn’t notice it til at the gate. I called wanted a refund and was told that I didn’t choose the seat even though on my KAYAK reservation it showed seat 12 A. So I paid extra for seat selection, but didn’t get it. And also did not get a refund. I specifically pay the extra for a seat selection. I normally am very happy with Alaska Airlines. They are usually in my top three of choices.

The plane smelled like an aquarium. Many passengers noted it smelled like fish. We then sat on the plane for over 2 hours before taking off

Worst travel day of my life. First bumped from our 7am flight—that we booked to ensure enough time to get to Chicago and get ready to go to a concert. Ended up on a flight 5hours later only to arrive in Chicago and spend 2 hours sitting in the tarmac. Missed the concert ($650 in tickets) and was too late to cancel the hotel ($500). I did receive a $200 voucher for the next Alaska ticket—soooo generous 👎. Would LOVE if Alaska reimbursed the $1000+that I am out!

Only issue is that when you board last they make you check your carry on due to lack of space. Did not care for that.

Great with American Poor with Alaska airlines. 3 hrs isn’t enough to transfer bags from one gate to another 5-6 gates away in the same terminal. Bags essential for cruise were unavailable Flights delayed cascading the problem. (Alaska Airlines responsibility). Very poor execution of operations that should be the simplest aspect of travel.

My flight was several times rescheduled and then finally canceled.

The flight kept getting delayed due to a maintenance issue. That happens, but there is no excuse for changing the gate FIVE TIMES, including one time nearly all the way across SeaTac. After we were delayed for 3+ hours, they did send us (via email) a $12 meal voucher...except you can't find a $12 meal anywhere in that airport, unless you consider a bag of M&M's and a bottle of water a meal. The plane had one problem after another but finally took off 4.5 hours late. This caused us to miss our hotel shuttle at ORD (they didn't run past midnight and it was 3 am) so we had to wait 25 minutes and pay for an Uber. I did get a $50 flight voucher from Alaska...big deal. Barely covers my Uber ride that I shouldn't have needed.

It was good. Too long for older people. Service and support was great! Friendly crew!

I'm not sure if you are going to ask me about the check in process. I could not get my boarding pass, so I had to stop at the American desk before security. I also had a difficult time downloading the app with the confirmation code for the two flights.

Delta was fine though my flight was delayed 4 hours into LGA and my return into ORD involved a taxi of 1+ hour to the gate

It was as good as it could be. Flying is not a pleasant experience these days.

There was an unruly family behind us that made the short flight miserable!!! The cabin crew did nothing to contain it.

Flight delay was frustrating, also you cannot checkin online without delta app, web browser check-in throw errors

Got on the plane and sat there for an hour before departure.

Very large passenger too space from my own seat. Arm board couldn’t be lowered because of his size. It wads very uncomfortable trip, as the flight was full couldn’t move anywhere having back pain because of the position in which I was the entire flight.

Cramped seating for me. Luckily it wasn’t a long flight

5 hour delay. They blamed the weather but it was the computer issues they had been dealing with for days.

I usually have a positive experience with Delta. Complimentary upgrades are always nice!

The captain was amazing and kept us informed throughout that there would be some rough air. The flight also got delayed but we were able to actually leave on time, which was great.

On boarding crew at the airport called in the boarding numbers too early meaning before the previous line was completed resulting in later numbers getting to board ahead. Also she asked those who boarded from number 3 to have the tags in their carry-on bags and leave it in the jet bridge. Most of the overhead bins were empty though. This is more work for the ground staff in addition to more inconvenience for passengers waiting to get their carry-ons from the jet bridge.

Like the fact that the boarding was expedited. But the delay and chaos around the onboarding was not appreciated.

The flight crew were very helpful. The seats were very close together. There was barely room to sit without touching the person next to you.

I’m an EP on AA every year for more than a decade but this was a very pleasant and surprising experience. Clean and sizable plane for HOU to CHI. 5 row first class. And excellent food in first class the steak option was really good. Your flight attendants even better. Seat 5A

Gluten free snack options and meals that offer both gluten free and dairy free.

Not a bad flight but a long delay boarding and taking off due to the pilot not arriving on time.

I would have preferred a flight voucher and to hop on a different flight. Delayed over 6 hours.

I almost missed my connection in Chicago due to having to wait on a gate to be open I am assuming. Having to run from E terminal to C terminal and I barely made it there before they closed the door. This may not be the actual airline's fault it's crazy how there is so little time between flight especially when they are placed so far apart in the airport.

The Wi-Fi did not work, so you weren't able to watch entertainment on your own device. They did not have wired headphones so you couldn't watch it on the in-seat entertainment screen either. There was plenty of time to do a drink and snag service but the flight attendants chose not to.

Charging and entertainment didn't work. The meal was horrible. They only came by with the drink cart one time for the 8 hour flight. They did come by with water a couple times.

Mechanical issues and delays. I get it but bad experience. Turned my 3 hour airport experience into a 9 hours

The baggage process at the gate was terrible. Stay was not friendly at all

Flight was delayed because of mechanical. Could not get landing space which caused me to miss my connection. Messy and not organized.

We landed slightly early but then sat in holding area waiting for our gate to clear out for about an hour, so technically we arrived one hour late at the gate at ORD. The airport may be partially responsible here, but regardless of who is responsible, it was a bad experience to be so close yet unable to get off the plane.

Delays and cancellations. Mechanics weren’t on site. Replacement plane took hours to arrive although it should have arrived within 90 minutes. Flight back was cancelled. Ended up driving over 12 hours and wasting 3 days between everything.

Little bit of trouble getting my KTN and pre-check status onto the ticket, but otherwise the counter staff were friendly and truly concerned to get it right.

The flight could have actually taken place. Canceled flight and no option to rebook that day.

Missed connection from delays and times changing multiple times and then involuntarily booked on another airline next day

The flight was delayed in 30 minute increments for a total of 4 hours and 30 minute delay. All other flights to Chicago left on time except for this one flight. If there is an issue with the inbound flight, just let customers know so they can find another flight right away, Once we got on the plane there was another 30 minute delay taking off at 10:30 at night which is very unusual that a flight wouldn't be ready to take off

My seat had a worn out cushion, which made it a bit uncomfortable. Other than that, the flight was excellent.

Everything you need to know for your flight to Illinois

Cabin class types available on flights to O'ahu