IAH - SIN

$601 Find Cheap Flights from Houston George Bush Airport to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from George Bush Intcntl to Singapore departing on 7/1. 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.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Singapore.
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Cheap Flights from George Bush Intcntl to Singapore (IAH-SIN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from George Bush Intcntl to Singapore 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 George Bush Intcntl to Singapore

Sat, Oct 25 - Sun, Nov 2
Air Canada Logo
4:30 pm - 7:55 amIAH-SIN
50h 25m2 stops
Air Canada Logo
10:00 am - 2:29 pmSIN-IAH
41h 29m2 stops
$901Air Canada
Find Deal
Fri, Nov 7 - Sat, Nov 22
Air Canada Logo
4:25 pm - 7:55 amIAH-SIN
25h 30m1 stop
Air Canada Logo
10:00 am - 1:29 pmSIN-IAH
41h 29m2 stops
$930Air Canada
Find Deal
Thu, Oct 23 - Fri, Nov 7
Turkish Airlines Logo
9:00 pm - 8:45 amIAH-SIN
46h 45m1 stop
Turkish Airlines Logo
11:25 pm - 1:05 pmSIN-IAH
27h 40m1 stop
$957Turkish Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 23
Turkish Airlines Logo
9:00 pm - 5:55 pmIAH-SIN
31h 55m1 stop
Turkish Airlines Logo
11:10 pm - 7:05 pmSIN-IAH
32h 55m1 stop
$971Turkish Airlines
Find Deal
Tue, Aug 26 - Mon, Sep 8
EVA Air Logo
1:35 am - 12:00 pmIAH-SIN
21h 25m1 stop
EVA Air Logo
1:10 pm - 10:25 pmSIN-IAH
22h 15m1 stop
$1,090EVA Air
Find Deal
Mon, Sep 8 - Tue, Oct 7
EVA Air Logo
1:10 am - 12:00 pmIAH-SIN
21h 50m1 stop
EVA Air Logo
1:10 pm - 10:15 pmSIN-IAH
22h 05m1 stop
$1,094EVA Air
Find Deal
Tue, Jul 15 - Tue, Jul 22
United Airlines Logo
9:56 pm - 6:25 pmIAH-SIN
31h 29m1 stop
United Airlines Logo
8:40 pm - 10:58 amSIN-IAH
27h 18m1 stop
$1,132United Airlines
Find Deal
Sat, Oct 25 - Sun, Nov 2
United Airlines Logo
3:37 pm - 8:00 amIAH-SIN
27h 23m1 stop
United Airlines Logo
10:10 am - 11:35 pmSIN-IAH
26h 25m2 stops
$1,137United Airlines
Find Deal
Wed, Aug 27 - Mon, Sep 8
Qatar Airways Logo
6:10 pm - 3:45 pmIAH-SIN
32h 35m1 stop
Qatar Airways Logo
3:10 am - 3:50 pmSIN-IAH
25h 40m1 stop
$1,174Qatar Airways
Find Deal
Wed, Aug 27 - Sun, Sep 7
Qatar Airways Logo
6:10 pm - 10:15 amIAH-SIN
27h 05m2 stops
Qatar Airways Logo
3:10 am - 3:50 pmSIN-IAH
25h 40m1 stop
$1,177Qatar Airways
Find Deal
Expert advice

Expert advice for your flight from George Bush Intcntl to Singapore

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
IAH

Check current security wait times on the IAH website. Terminal C South can back up at peak times, so consider other terminals if needed.

Read more about IAHby John Walton
SIN

Use the City Shuttle for a stress-free transfer to downtown Singapore. Book in advance via the Changi App or at GTC counters in each terminal.

Read more about SINby Jessica Macdonald
Our travel experts
John Walton

John Walton

Expert on IAH

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on SIN

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Useful Info

KAYAK's insights & trends for George Bush Intcntl to Singapore flights

Get data-powered insights and trends into flights from George Bush Intcntl to Singapore 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 Houston George Bush Airport to Singapore?

The average price of all round-trip flights from Houston George Bush Intcntl Airport to Singapore clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Houston George Bush Airport to Singapore, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Singapore, Monday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Houston George Bush Intcntl Airport to Singapore, 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 Houston George Bush Intcntl Airport to Singapore is April, where tickets cost $1,006 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,925 and $1,391 respectively.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Singapore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Houston George Bush Intcntl Airport to Singapore, 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 Houston George Bush Intcntl Airport to Singapore, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Good to know

Low seasonAugust
High seasonNovember
Cheapest flight$601
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Houston George Bush Airport to Singapore

When to book flights from George Bush Intcntl to Singapore

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Singapore 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.

FAQs for booking Houston George Bush Airport to Singapore flights

  • Is there a chapel at IAH?

    IAH provides travelers with three interfaith chapels throughout the airport. These chapels are not associated with any particular religion, and therefore, welcome all. These chapels are quiet spaces to pray, reflect, meditate, relax, or simply escape from the commotion of the airport. These chapels can be found in Terminal C, Terminal D, and Baggage Claim.

  • Is there a USO at IAH?

    Yes. The USO at IAH is located on the Main Concourse, a floor below Gate 44. This USO is open from 6 am until 9 pm. Active-duty service members of the US military and their families can enter this lounge free of charge to enjoy beverages, snacks, relaxing seating, TV, computers, and more ways to connect, work, and relax.

  • How do I get into downtown Singapore from SIN?

    The subway is the most convenient way to get the approximately 23 miles from SIN to Singapore. Subway line Cg and Ew depart SIN about every 15min. The subway takes about 32min to get to downtown Singapore. Bus 36 leaves SIN a few times every hour and heads toward the Suntec Convention Center in downtown Singapore. This trip, however, takes approximately 1h 24min. A taxi is almost twice as fast as the subway, but it is also about three times as expensive.

  • How can I fly from IAH to SIN?

    It is unlikely that you will find a non-stop flight between IAH and SIN. However, many airlines fly from IAH to SAN with one-stop. Some of these airlines include Qatar Airways, ANA, United Airlines, American Airlines, and JetBlue. Some layover locations include Tokyo (NRT), Qatar (DOH), and San Francisco (SFO). American Airlines, ANA, Japan Airlines, and Alaska Airlines are among the carriers that fly between IAH and SIN with two stops.

  • What is the cheapest flight from Houston George Bush Intcntl Airport to Singapore?

    In the last 3 days, the lowest price for a flight from Houston George Bush Intcntl Airport to Singapore was $601 for a one-way ticket and $901 for a round-trip.

  • Do I need a passport to fly between Houston George Bush Airport and Singapore?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Houston George Bush Airport and on arrival in Singapore.

  • Which aircraft models fly most regularly from Houston George Bush Airport to Singapore?

    The Airbus A350-900 is the aircraft model that flies most regularly on the Houston George Bush Airport to Singapore flight route.

  • Which airline alliances offer flights from Houston George Bush Airport to Singapore?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Houston George Bush Airport and Singapore, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Singapore from Houston George Bush Airport?

    San Francisco is the most popular layover city among KAYAK users traveling from Houston George Bush Airport to Singapore.

  • Which is the best airline for flights from Houston to Singapore, EVA Air or Japan Airlines?

    The two airlines most popular with KAYAK users for flights from Houston to Singapore are EVA Air and Japan Airlines. With an average price for the route of $1,392 and an overall rating of 8.4, EVA Air is the most popular choice. Japan Airlines is also a great choice for the route, with an average price of $1,224 and an overall rating of 8.3.

  • How does KAYAK find such low prices on flights from Houston George Bush Airport to Singapore?

    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 Houston George Bush Airport to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston George Bush Airport to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Houston George Bush 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 Houston George Bush Airport to Singapore?

    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 Singapore with an airline and back to Houston George Bush Airport with another airline. Booking your flights between Houston George Bush Airport and SIN 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 Houston George Bush Airport to Singapore?

    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 Singapore from Houston George Bush 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 Houston George Bush Intcntl Airport to Singapore

  • Houston's George Bush Intercontinental Airport (IAH) serves as a hub for Spirit Airlines and United Airlines. The Singapore Changi Airport (SIN) serves as a hub for Singapore Airlines, Jetstar Asia Airways, SilkAir, Scoot, and BOC Aviation.
  • At SIN, when you land, if you need to leave the airport quickly for a business meeting, for example, or if you just want to explore the airport without being weighed down by all your luggage, you can store your suitcases at the Baggage Storage facilities. There is a Baggage Storage desk in every terminal. Staff will inspect your bags when you drop them off at the storage counter.
  • At SIN, traveling mothers can take advantage of the baby care rooms. Along with plenty of room for taking care of all of baby’s needs, there is hot water as well. You'll find many baby care rooms in each terminal.
  • If you are traveling with a service animal that needs to go to the bathroom before your long flight to Singapore, you can take advantage of one of the animal relief areas in the IAH terminals.
  • If you want to spend the night before your flight to Singapore close to IAH, several hotels are nearby, comfortable, and convenient. Some of these hotels include the Ramada by Wyndham Houston Intercontinental Airport East and the more upscale Houston Airport Marriott at George Bush Intercontinental. Both hotels provide a free shuttle service to the airport every day, all day.

Top 5 airlines serving from George Bush Intcntl to Singapore

 
See real verified KAYAK customer reviews for airlines flying from Houston to Singapore. 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 George Bush Intcntl to Singapore? 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.
8.4
EVA AirOverall score based on 1192 reviews
8.3Comfort
8.0Entertainment
8.6Crew
8.4Boarding
8.1Food
Airline reviews

Everything is good staff is polite and helpful flights are on time sub sandwhich for a snack was good with a bottle of water only thing maybe more variety of food like breakfast or dinner depends on the time

8.0 ExcellentAnonymous, Mar 2025SGN - TPE
Read more EVA Air reviews

Everything is good staff is polite and helpful flights are on time sub sandwhich for a snack was good with a bottle of water only thing maybe more variety of food like breakfast or dinner depends on the time

I appreciate the email reminders for online check-in which made my entry to the lines less stressful. The flight was on schedule and on time. The baording staff were proactively helpful and approachable. The airplane inflight food, entertainment and comfies as well as provisions are excellent even in the economy seating. The airline transfer was smooth and easy! Luggage safe and intact! Thank you EVA airline for making my trip a reliable safe and comfortable experience.

I was sleep when they brought the food. They had put a note on my seat. There was no food when I asked for food later. There was just one main meal served in this 14 hours flight. They offered me sandwich with ham which I don’t eat since I am pescatarian. Long story short I had to wait to get to TPE to get something to eat. I am extremely disappointed from the service. I have been flying EVA since I was 1 year old. Perhaps no more EVA for me. Seems EVA glorious day is long gone

basic and only minimum of service, they offer nothing special

friendly and professional cabin staff... seems cold and a bit aloof...

Except for crying babies all was ok although the movie selection wasn't the best.

The app was awful. No accurate info. Paying for internet is a negative (Delta is free). The crew was very nice for the most part although you are not guaranteed to get good service. Some crew would ignore requests for things as simple as a cup of water if you were sleeping when the first serving was made. Food was great. Male crew member was exceptionally kind and responsive.

The staff was marvelous. The entertainment options were terrible, old or 2nd rate movies. I was unable to entertain myself for 18 hours-it made it seem even longer. Note: I thought about upgrading but your information about what was included was unclear. Are the seats bigger? Are there current moves? What kind of food do you get? Would the upgrade compare to Delta? Just saying the upgrade is better didn’t convince me and I regret not flying Delta.

EVA air was nice. It was the first time I’ve flown with them. The poor entertainment choices for 2 long flights will make me think about choosing them next time. I didn’t know if would effect me so much but I couldn’t sleep and it added to the stress. The food was terrible for me but I couldn’t find how to inform them about my diet when I bought my ticket.

It was a good flight. I would highly recommend it to family and friends.

We were not given option for meals since they ran out of the other option but good thing the remaining options tasted great.

Both the staff at check-in counter and on board were pleasant and helpful. My chicken and mashed potato was good, sauce was tasty, but the zucchini, carrot n other accompanying vegetables were over-cooked a little. (I understand the meal has to be prepared earlier). Yet I would fly on Singapore Airlines again and recommend it to family and friends.

Horrendous. We upgraded and they took the money but cancelled one of our tickets. The recline action didn’t work on the seats for the flight from Singapore to London, pre booked meals but they seemed to have disappeared as well.. Phone customer service was horrendous. Took 5 phone calls and no fix. Craig at the airport was the only one who seemed to be able to get the ticket back.

The seat in economy class and legroom in Singapore airline are narrower than Korean airlines! I don’t have that comforting feeling flying with Singapore air as in the past!

Loved the airline with the exception of their carry on limitations. They enforce a strict 7 kilo limit for carry on baggage which is ridiculous. We traveled from SFO to SIN with carry on with no difficulty yet when we checked in Delhi they forced us to check the carry on bags. The weight of our carry on bags were 11 and 12 kilos and while they exceeded the limitations set by Singapore Airlines they were well under weight limitations set by may other carriers. Interestingly my wife and I were each allowed two 22 KG bags to check in addition to the 7 kg carry on for a total weight of 102 KG's. Our total weight with the one bag we planned to check and our two carry ons was 46 kgs.

Crew and service was excellent, but passengers should be offered a welcome drink before take off which did not happen. Food was very good. Unfortunately the lie-flat bed in business class was one of the most uncomfortable I have experienced. The configuration forces you to sleep with your legs at an angle instead of in a straight line, plus there is very little padding on the bed so it wasn't possible to sleep for more than 2-3 hours on an 18 hour flight. For what the airlines charges for a business class ticket their hard product leaves a lot to be desired.

Food could have been better. Too many passengers getting up and down all the time.

Delayed 1hour due to storm still didn't get window seat for third flight despite paying £240 extra to book them

Everything was great keep up the good work 😁, can't ask for more.

Flight from SFO did not include entertainment as it was not working the entire duration of the flight. Was informed that there would be a $350 voucher for the inconvenience. Uncertain how the voucher will be provided.

This trip was the most comfortable one I have ever experienced, the team was excellent and very helpful. I am so glad I picked Qatar Airways.

All the crew members were too slow and rude. Most of the times the registers were empty, while hundreds of customers were waiting in line, and it was impossible to get a supervisor. Despite being in line on time, I missed my freight, plus a some customers who were ahead and behind me.

Well organized boarding, efficient and on time. Nice crew on the plane. Thank you!

The Qatar Airways staff pre-boarding and also on the flight from Dallas to Doha were incredibly mediocre and arrogant. Consider retraining these individuals Other flights were ok.

My experience with Qatar airway was very unsatisfactory. They lost my child’s stroller and I was told they found it and will send it to the hotel which was a lie. I had to go back to the airport baggage claim and pick up myself after trying to contact them many times!. There was a lack professional and communication. I am very disappointed in Qatar airway and will not be recommending them to friends and family nor will I be flying with them in the future.

Worst air experience in whole life . Boarding and checking was hassle as they did 3 times. Crew team was clueless about passengers need. Despite of passengers raising hand , they were resetting the program

The food is not good and also if you ask crew to bring something they say ok I will bring but you will never get it. Please they should listen good to passengers

No difference between US airline and Qatar. Both cramp as many people. The airline seems to change planes without notice choice is seating when making reservations online doesn’t match the plane a passenger is on. Especially paying extra. Nothing special No different than US carriers.

Did not like anything. Seats were crammed, leg space was minimal and food was terrible. This was the first time traveling overseas in American Airlines and was the worst experience ever. Have learned a lesson to never travel in American Airlines.

Delayed my flights and no communication. We end up spending 6 hrs in Doha. No food or any concern from the airline. Terrible

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

My suitcase was completed destroyed. The top part is broken and unusable now.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

My priority checked bag was not loaded on the flight. I had to sit in baggage claim in Las Vegas for 2 1/2 hours waiting for the next flight. All baggage staff were very helpful, tracking showed it as scanned for loading. Nobody told me why it wasn't on my flight.

All male crew was just too woke for me. I felt like a sardine. I will never take a window seat or the rearmost seat again. I booked early and did not pay for seat selection and that was a mistake. The security at IAH was atrocious. I was violated and radiated as I was in a hurry to connect to my other flight. I may have lost items under the seat in front of me that I couldn't see nor bend over to look.

It’s been awhile since I have traveled on United. I, along with my family who were on the flight noted how smoothly everything went . Boarding, flight crew and service was excellent.

In general ok, my only issue is that they had no hot items for purchase. I had very little time in my connection due to baggage/customs/TSA, thag I barely even had a chance for a stop at the washroom and buy water, to make it to my gate when they started boarding. I had nothing to eat because the trip started early, so I was ready to purchase, and they had nothing except for dry items like snacks. I had to purchase a mediocre, overpriced cheese and fruit board, instead of at least a pizza or sliders that I was planning on getting. Other than that, it was fine. But that’s typical Air Canada, to not have enough.

How badly can you screw up baggage claim? We were told to go to baggage claim too for our bags from this flight. Another flights bags were there. They finished up. More bags from a different flight arrived. Our bags did not Finally the baggage claim belt stopped working and and are flight was still listed on the arrivals for that baggage claim 2. And then nothing It turns out that they had been delivered not only the United baggage claim but far away on a Delta baggage claim No I never told us. It was only the people looking around who had been on the flight But I’m sure there was plenty of time for the employees to raffle through the bags and steal whatever they wanted

Long wait before take off without an update for 20 minutes. Flight was good otherwise.

Flight delayed over 2 hours . I was flying bussiness never got food cause they ran out of what i wanted

It wasn't good. I didn’t understand. They changed 320 dollars for 2 luggage. My ticket was regular and I paid almost 1200.00 dollars. Why they did charge? I want my money back.. thanks Yılmaz polat

Very punctual, the onboard staff was friendly and correct, the flight was fortunately very calm, the toilets were clean, in short, an excellent experience Thanks

Ordered Vegan meal - it was ok, but not exceptional. Seat ok row 39 middle section aisle. Nearly full flight - crew was busy but they did the best they could. There was a USB A port at the seat. I listened to my own music and only looked at flight information. One nice thing was the connection information was made available in the screen.

Very nice and friendly crew. Boarding system can be improved.

The Etickets had been changed (Why?) without notice ; Hence, that caused troubles when checking in. Not until I contacted my ticket agent and was given correct Etickets could I then check in.

Cleanliness of seats, trays, storage pockets need more attention, but everything else was good.

A great airline, no complaints at all. My experience with Cheap Tickets was very disappointing however. Two hours after purchasing the flight they called to tell me that the ticket price had gone up. I’ve never heard of such a thing. That is called false advertising; I will never use this ticketing service again and will warn all friends to never use it.

One of the worst check in process at the DIA as well as the boarding counter Changed seat at the last minute and assigned middle seat while I paid for window seat. Requested many times but to no avail . horrible customer service and very poor process Requesting refund for seat that was changed last minute

Good overall flight. Excellent crew. Food options could be improved.

Vegan food tasted good. Restroom could be kept cleaner. Seat tray table was a bit tilted so food tray kept sliding down a bit. Flight crew can be a little more friendly, caring and approachable. Their faces lacked smiles and tone was stern.

Everything you need to know for your flight from George Bush Intcntl to Singapore

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