IST - ORD

$583 Find Cheap Flights from Istanbul Airport to Chicago O'Hare Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Istanbul to O'Hare Intl departing on 9/24. 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.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Istanbul to Chicago.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Istanbul to Chicago.
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Flight Deals

Cheap Flights from Istanbul to O'Hare Intl (IST-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Istanbul to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Istanbul to O'Hare Intl

Tue, Oct 7 - Tue, Oct 14
British Airways Logo
7:55 pm - 1:50 pmIST-ORD
25h 55m1 stop
British Airways Logo
7:10 pm - 1:05 amORD-IST
21h 55m1 stop
$609British Airways
Find Deal
Sat, Dec 20 - Sun, Jan 11
KLM Logo
5:55 pm - 2:20 pmIST-ORD
29h 25m1 stop
KLM Logo
1:30 pm - 4:55 pmORD-IST
18h 25m2 stops
$610KLM
Find Deal
Thu, Oct 16 - Tue, Oct 21
British Airways Logo
7:55 pm - 3:55 pmIST-ORD
28h 00m1 stop
British Airways Logo
1:59 pm - 1:05 amORD-IST
27h 06m2 stops
$614British Airways
Find Deal
Fri, Dec 19 - Sun, Jan 11
KLM Logo
4:50 am - 3:10 pmIST-ORD
19h 20m1 stop
KLM Logo
1:30 pm - 4:55 pmORD-IST
18h 25m2 stops
$616KLM
Find Deal
Wed, Nov 26 - Tue, Feb 24
LOT Logo
12:10 pm - 8:00 pmIST-ORD
16h 50m2 stops
LOT Logo
9:55 pm - 11:20 amORD-IST
28h 25m2 stops
$617LOT
Find Deal
Sun, Oct 12 - Tue, Apr 21
LOT Logo
11:15 am - 7:40 pmIST-ORD
40h 25m2 stops
LOT Logo
9:40 pm - 10:30 amORD-IST
28h 50m2 stops
$618LOT
Find Deal
Sat, Oct 25 - Sat, Nov 1
LOT Logo
7:00 am - 9:00 pmIST-ORD
22h 00m1 stop
LOT Logo
10:55 pm - 12:40 amORD-IST
17h 45m1 stop
$619LOT
Find Deal
Thu, Oct 16 - Wed, Oct 29
Turkish Airlines Logo
6:30 am - 9:40 amIST-ORD
11h 10mnonstop
Turkish Airlines Logo
12:50 pm - 7:10 amORD-IST
10h 20mnonstop
$622Turkish Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
Turkish Airlines Logo
6:30 am - 9:40 amIST-ORD
11h 10mnonstop
Turkish Airlines Logo
7:50 pm - 2:40 pmORD-IST
10h 50mnonstop
$636Turkish Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
Delta Logo
4:20 am - 9:19 pmIST-ORD
24h 59m2 stops
Delta Logo
4:56 pm - 3:25 amORD-IST
26h 29m2 stops
$672Delta
Find Deal

Everything you should know

Our travelers' advice
AI-generated summary based on content written by KAYAK users
Turkish Airlines offers priority boarding for comfort.
Arrive early at Istanbul's huge airport for your flight.
User tips
User tips
User tips
User tips
Top airlines
British Airways
Cheapest • from $609 (round-trip)
KLM
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 16% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 17% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$609
Overall average: $818
British Airways
Tue 10/7Tue 10/14
IST - ORD • 1 stop
Cheapest non-stop
$620
Typical prices: $782-1046
Turkish Airlines
Wed 12/24Mon 1/12
IST - ORD • Non-stop
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We hope you love your trip to O'Hare Intl!
Booking Insights

KAYAK's insights & trends for Istanbul to O'Hare Intl flights

Get data-powered insights and trends into flights from Istanbul to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Istanbul Airport to Chicago O'Hare Airport?

The average price of all round-trip flights from Istanbul Airport to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Chicago O'Hare Airport on a Tuesday and more expensive on a Saturday. On your return trip to Istanbul Airport, you should consider flying back on a Wednesday, and avoid Fridays for better deals.

What is the cheapest month to fly from Istanbul Airport to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Istanbul Airport to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Istanbul Airport to Chicago O'Hare Intl Airport is February, where tickets cost $634 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is $978 and $868 respectively.

How far in advance should I book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Istanbul Airport to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Istanbul Airport to Chicago O'Hare Intl Airport, you should book around 3 weeks before departure, which saves you about 16% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$583
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Istanbul Airport to Chicago O'Hare Airport

When to book flights from Istanbul to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Istanbul to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Istanbul to O'Hare Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Istanbul to O'Hare Intl 
Verified travelerFlew with Turkish AirlinesMar 2025
"If you're flying from Istanbul to Chicago, here are some tips to keep in mind: 1. *Choose a comfortable airline*: I recommend flying with Turkish Airlines or United Airlines, as they offer a relatively smooth and efficient boarding process. 2. *Be prepared for long flight*: The flight from Istanbul to Chicago can take around 10-11 hours, so make sure to bring entertainment, snacks, and comfortable clothing. 3. *Take advantage of in-flight amenities*: Both Turkish Airlines and United Airlines offer a range of in-flight amenities, including meals, drinks, and entertainment. 4. *Plan for jet lag*: Chicago is 8 hours behind Istanbul, so plan accordingly and try to adjust your sleep schedule before arrival. As for the boarding process, I found Turkish Airlines to be particularly comfortable and efficient. They offer: - *Priority boarding*: For passengers with special needs or priority status. - *Efficient queue management*: Turkish Airlines uses a well-organized queue system to minimize waiting times. - *Friendly staff*: The flight attendants and ground staff are always helpful and welcoming. Overall, with some planning and preparation, you can have a comfortable and enjoyable flight from Istanbul to Chicago!"
FarisFlew with Turkish AirlinesDec 2024
Come very early to the airport because it’s very huge
MohamadFlew with Turkish AirlinesJun 2024
Make sure that you have enough transit time because the airport is huge

FAQs for booking Istanbul Airport to Chicago O'Hare Airport flights

  • What is the cheapest flight from Istanbul Airport to Chicago O'Hare Intl Airport?

    In the last 3 days, the lowest price for a flight from Istanbul Airport to Chicago O'Hare Intl Airport was $583 for a one-way ticket and $609 for a round-trip.

  • Do I need a passport to fly between Istanbul Airport and Chicago O'Hare Airport?

    Yes

  • Which airports will I be using when flying from Istanbul Airport to Chicago O'Hare Airport?

    Istanbul Airport airport is called Istanbul and the only airport in Chicago O'Hare Airport is Chicago O'Hare Intl.

  • Which aircraft models fly most regularly from Istanbul Airport to Chicago O'Hare Airport?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Istanbul Airport to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Istanbul Airport to Chicago O'Hare Airport?

    Star Alliance is the only airline alliance operating flights between Istanbul Airport and Chicago O'Hare Airport.

  • On which days can I fly direct from Istanbul Airport to Chicago O'Hare Airport?

    There are nonstop flights from Istanbul Airport to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from Istanbul to Chicago, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Istanbul to Chicago are Delta and KLM. With an average price for the route of $639 and an overall rating of 7.9, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $540 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Istanbul Airport to Chicago O'Hare Airport?

    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 Istanbul Airport to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Istanbul Airport to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Istanbul Airport 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 Istanbul Airport to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport with an airline and back to Istanbul Airport with another airline. Booking your flights between Istanbul Airport and ORD can sometimes prove cheaper using this method.

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

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

KAYAK’s top tips for finding a cheap flight from Istanbul Airport to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $628 or less one-way and $788 or less round-trip.

Prefer to fly direct from Istanbul Airport to Chicago O'Hare Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Istanbul to Chicago O'Hare Intl.
Find which airlines fly direct from Istanbul Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Istanbul to Chicago O'Hare Intl

Monday

Turkish Airlines

Turkish Airlines

Tuesday

Turkish Airlines

Turkish Airlines

Wednesday

Turkish Airlines

Turkish Airlines

Thursday

Turkish Airlines

Turkish Airlines

Friday

Turkish Airlines

Turkish Airlines

Saturday

Turkish Airlines

Turkish Airlines

Sunday

Turkish Airlines

Turkish Airlines

See more direct flights

Direct returns

Chicago O'Hare Intl to Istanbul

Monday

Turkish Airlines

Turkish Airlines

Tuesday

Turkish Airlines

Turkish Airlines

Wednesday

Turkish Airlines

Turkish Airlines

Thursday

Turkish Airlines

Turkish Airlines

Friday

Turkish Airlines

Turkish Airlines

Saturday

Turkish Airlines

Turkish Airlines

Sunday

Turkish Airlines

Turkish Airlines

See more direct flights

Reviews of the top 5 airlines serving from Istanbul to O'Hare Intl

 
See real verified KAYAK customer reviews for airlines flying from Istanbul to Chicago. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Istanbul to O'Hare Intl? 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.
7.8
KLMOverall score based on 1385 reviews
7.8Boarding
7.2Entertainment
7.7Comfort
7.3Food
8.4Crew
Airline reviews

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

2.0 MediocrePeter, Aug 2025SAN - AMS
Read more KLM reviews

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

Ad experience - been flying many years with them but they are losing out to other carriers with their service and bagage / seating policy. My 2 12-yo kids were not placed with the parent. Absurdity.

Short flight so it was okay. Nice crew, all very pleasant and professional. We were near the back in row 27 so just as we got our drinks, we started our descent so had to drink very quickly!

KLM remains a quality flag carrier airline which maintains its standards whilst all their competitors are lowering theirs.

The baggage drop-off in Stuttgart is bad: after online check-in you cannot use the automated baggage drop off as indicated on the website. You can use the terminals but have to cue to 1 of three open and slowly working counters to drop the bags. took about 45 minutes wait time.

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

The service was great. However the lounge only gets passing grade

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

Boarding was delayed for an unknown reason for more than an hour. While the airplane was at the gate, the boarding time was moved by 10-20 minutes every 15 minutes. No entertainment on the plane.

The flight itself was pleasant and on time. Crew was very good. However, breakfast food was barely acceptable. Unfortunately this satisfies the recent industry standards. I asked for a sandwich with ham (another choice was cheese), but received a sandwich with roast beef.

Delay rushed to the next plane and bags didn’t arrive in chicago

Boarding could've been improved a bit, the rest is excellent.

Agents helping disable person doesnt know connections to Poland and after 9 agents helping and 2hours ,we made it to proper terminal. Polish Dreamliner its Polish nightmare liner with so narrow seats and no room under front seat for bag and feet,in economy class.To upgrade, to higher standart cost an arm and leg ,even there are empty seats No good experience overall

The crew and flight were amazing . However , my bag’s locker got broken and no refund provided . Everything else was amazing except this bad incident that ruined my experience

The seats are small and the movie selection was disappointing. However, the food was excellent and the cabin crew was attentive and kind.

Bags lost no more to say, bad communication and no urgency to get it back to the hotel by the airline properly the worst airline I have used.

The customer service rep on chat refused carrying golf set at no charge that is customary for LOT and others. I wanted yo carry just ONE club not even full set! Web check in was nightmare. Most horrible lounge at warsaw. To call it business class is a BIG exaggeration. Rude staff warsaw to nyc. Seats uncomfortable and not flat as is now customary. Bad content and entertainment system.

Seats were so uncomfortable, my butt hurts so much, I wish they have more cushions,it really was horrible, Except that, Stewarts were polite food was decent

We couldn’t fly to Chicago on our booked flight. The flight was overbooked.

Small seat space for 13 hours flight, they charged for baggage , very bad quality of food,

I was sitting almost in the back, the seats are very tight and there’s no legroom, it’s uncomfortable for a long distance

Absolute worst airline. Charged us $720 to check 4 bags (2 of which were carry-on). Entertainment systems didnt work. And on a 12 hour flight they served 2 meals and never once came around outside of those 2 meals with a beverage or cup of water. Will never fly them again.

Took forever to board. They made announcements without the loudspeaker and since the waiting room was full of screaming kids, no one could hear what they were saying. The business class sleeper seats were designed for tall skinny people. When partially reclined there was nowhere to rest my feet because they did not reach the footrest. and when fully reclined there wasn't room at my sides for my arms. Definitely one of the worst sleeper seats I have ever had.

About an hour delay but we made it to Chicago. I feel that the smaller connecting flights are the ones that cause the delays on the bigger planes that fly international.

Amazing trip! No delays, no broken or lost luggage, and amazing food.

The food we received during the flight was excellent. The service was very friendly. Definitely the best value for the money when flying across the Atlantic.

I use a wheelchair for mobility. Both in my flight from Houston and back to Houston from Istanbul, the Turkish airline staff asked that I claim my wheelchair at the luggage area. On arrival to Istanbul, parts of the wheelchair were in disarray at that time I raised no objection however upon claiming my wheelchair in Houston parts where outright missing. In both occasions, upon arriving in Houston and arriving in Istanbul, I asked multiple times why am made to pick up my wheelchair in the baggage claim rather than at the jet bridge. Getting the wheelchair at the jet bridge minimizes the probability of loosing parts because they can be hopefully reclaimed on the spot. I was told in Houston that a manager turned down my request to claim the wheelchair at the jet bridge in Houston. This is extremely frustrating because a wheelchair is not a set of clean underwear or a toothbrush- this is the way I move. A Turkish Arline staff took my complaint at the luggage claim area in Houston but as of the writing of this review the only contact I have received from the airline is because I initiated a claim rather than her as she told me she would.

The security at the airport was excellent. The one criticism is the boarding process just before entering the plane. There were only 2 boarding lines and there were no barriers thus leading to a mass rush to enter the plane. I suggest that they board by rows, eight or ten rows at a time to prevent the mass rush to enter the plane. Otherwise, I would highly recommend Turkish Airlines

It was a short flight, everything was good with it.

I darted through the Frankfurt airport to make my connecting flight. I asked if it was a possibility to upgrade and the agent did. This was the kindest gesture and it made up for the previous delayed flight and distress/anxiety of anticipating that Zi was going to miss my Frankfurt-Chicago connection. I cannot express my gratitude for the upgrade.. I am 5feet 10 inches do the leg space was amazing.

I meant this flight was not good, the one from Tirana to Frankfurt was better!

I was very grateful for Lufthansa's role in organizing mobility support. The touchscreen on my seat was faulty: slow, stained (I couldn't get it clean), and glitchy. This made selecting movies extremely time consuming, and twice I had to start all over from the beginning.

The crew was the best I’ve ever encountered. Business class was spacious, immaculate, and very modern.

I wish seats were not reclinable. It's so claustrophobic when the person in front of you spends most of a nine hour flight leaned all the way back. The crew was really nice though and the dinner (red Thai curry) was pretty compelling.

Our flights were severely delayed, then canceled and we had to fly out next day with no sleep accommodation help. This led to our baggage being lost and the service reps after baggage couldn’t be bothered to help. They kept sending us to different counters when we were at the right counter to begin with. The only saving grace was the angel woman supervisor with blond hair who helped us put in a missing baggage claim.

The boarding system was all bogus - employees at the boarding gate were not sound like proffesional or may be possibly rational

I got an email in the morning of the flight 1/7, from Kayak, that I was rebooked from UA 906 to LH 430. Nobody at Lufthansa ot United knew about this. I went to both counters. at the airport. Also, Cheap Flights, who I booked the ticket through, did not know. I ended up staying on the United flight. But this was very disturbing, since I got a very late notice that I was rebooked to an earlier flight, I hurried to the airport to find out after a lot of inquiring that this was a mistake. Not a good Kayak experience.

After living in Europe for five years and flying with Lufthansa and KLM airlines, I’ve realized that United Airlines is now a budget carrier. The flight attendant are not friendly. The seats are not comfortable. And everything comes at a cost. I will be flying with KLM and Skyteam like Delta to the US going forward no doubt. United Airlines is not what it once was:

what would have been better would have been that my booking not been canceled by the system and had I been informed that the booking had been cancelled by the system I could have immediately rebooked and not found out that there was an issue when I was told by the system that I needed to book in. It would have also been good if either the booking agent or BA or anyone been in anyway useful. In the end I had to rebook a flight at an additional cost of $350. So no I'm not impressed by BA any of the other parties involved.

Boarding was poor. Why are first class passengers not boarded first?! Bus to the plane and then held on a packed bus because we were waiting for people on the bus before to finish boarding. Seat belt on the fist clas seat is very uncomfortable, cutting into your neck. Other than that crew, seating and food were all excellent. Entertainment, as usual - rubbish.

I paid for full WIFI- it was terrible, kept being in and out could not listen to a podcast

Flight was delayed but my previous flight was as well so It worked to my advantage. This was my first time in first class. I don't think they ever stopped feeding us. The seating area was very spacious and comfortable. The attendants were wonderful, warm, friendly and very personable.

Some how my flight was canceled, neither BA or Justfly.com accepted responsibility. I only found out about this the day before when I tried to check in. I had to book another flight which due to the time ( day before) cost me $300 more. I was still receiving notifications about the flight even when I was on another flight from you. So no my flight to London was not good.

We had a pretty good experience. Enjoyed both the flights. Crew was very good and helpful.

They issued seat assignments and sat my 2 year-old in the row behind me, separate from me and my daughter. Communication/ customer service was terrible. They told me to change it in London, then in London, they told me to talk to the cabin crew, then a supervisor came and stuck us in the back of the plane when we were supposed to be in row 25. Overall, they need to really work on their customer service. Additionally the food was terrible and they ran out of meals and didn’t have any kid options. To top it off there was no in-flight entertainment for the first hour of the trip.

We missed the connection because we had to wait for a shuttle from the plane to the Terminal. Also, we needed assistance and none was available.

When we arrived at the airport - 1st step - printing out your boarding pass - no issue. Not long lines as these machines. 2nd step - processing your bag drop off. There was only one associate there to help 10 kiosks. We had a family in front of us for 20 minutes trying to work on the machine and figure out every step for 4 pieces of luggage. My husband alerted the associate who was able to assist the family. Highly suggest that there are more associates to assist in this process. Besides this issue, security check went very quickly. Our flight was direct to Philadelphia. We had to carry our bags down two flights of steps, then out to the tarmac to a bus, then carry our bags up two flights of stairs to the plane. No one on the flight was expecting that long trek. I could see some people were struggling a bit. All in all - great flight crew, plane was clean and food was great!

There were no gluten-free vegan options available, so food was very limited on this flight, and some of the crew weren’t especially helpful about it. To make matters worse, a passenger was sick on board, and although the area was cleaned, the smell lingered for the rest of the journey. On top of that, we ended up circling for an extra hour, which only made the unpleasant situation drag on even longer.

Everything you need to know for your flight from Istanbul to O'Hare Intl

Information on your arrival and departure airports

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