S$ 631 Find Cheap Flights from Southeast Asia to Illinois

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Low seasonFebruary
High seasonJune
Cheapest flightS$ 631
Best time to beat the crowds (16% less expensive on average)
Most popular time to fly and prices are also 4% lower on average.
Flight from Singapore to Chicago O'Hare Airport

FAQs for booking flights from Southeast Asia to Illinois

  • How does KAYAK find such low prices on flights from Southeast Asia 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 Southeast Asia to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Southeast Asia to Illinois is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Southeast Asia to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Southeast Asia 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 Southeast Asia 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 Southeast Asia to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest month to fly from Southeast Asia to Illinois?

    The cheapest month for flights from Southeast Asia to Illinois is October, when tickets cost S$ 1,115 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is S$ 1,697 and S$ 1,484 respectively.

  • How far in advance should I book a flight from Southeast Asia to Illinois?

    To get a below-average price on the flight from Southeast Asia to Illinois, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

  • How long is the flight to Illinois?

    An average direct flight from Southeast Asia to Illinois takes 24h 24m, covering a distance of 24223 km. The shortest route is Singapore (SIN) to Chicago O'Hare Intl Airport (ORD) with an average flight time of 21h 49m.

  • 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).

Top 5 airlines serving from Southeast Asia to Illinois

 
Need help choosing which airline to fly with from Southeast Asia 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.
8.4
EVA AirOverall score based on 1202 reviews
8.0Entertainment
8.6Crew
8.3Comfort
8.4Boarding
8.1Food
Airline reviews

I have never heard of EVA air before but I am so happy my wife and I were able to flight on their planes twice. Everything on these flights just felt better than their competitors. As someone with longer legs any bit of extra leg spaces is appreciated. The different options for food and drinks were also a plus. They were extra careful to make sure my wife's eating restrictions were taken care for. They had a before take off and landing announcements on the built in tablets for each seat and it gave out information that was very helpful. Such as what and how to declare your items in the specific country you landed in, any odd items that may be illegal to bring it (and even the reasoning why) and any other information you might need to make your post flight experience better. Oh and the seats were more comfortable, had more ability to lean and the headrest was much better for flight sleeping. The only downside was there were "forced" ads on the tablet at take off for maybe 5-10 minutes but honestly, this flight was the cheapest option and had all the benefits listed above that is such an easy trade off. Im keeping an eye out for EVA air going forward.

10.0 ExcellentAnonymous, May 2025TPE - SEA
Read more EVA Air reviews

I have never heard of EVA air before but I am so happy my wife and I were able to flight on their planes twice. Everything on these flights just felt better than their competitors. As someone with longer legs any bit of extra leg spaces is appreciated. The different options for food and drinks were also a plus. They were extra careful to make sure my wife's eating restrictions were taken care for. They had a before take off and landing announcements on the built in tablets for each seat and it gave out information that was very helpful. Such as what and how to declare your items in the specific country you landed in, any odd items that may be illegal to bring it (and even the reasoning why) and any other information you might need to make your post flight experience better. Oh and the seats were more comfortable, had more ability to lean and the headrest was much better for flight sleeping. The only downside was there were "forced" ads on the tablet at take off for maybe 5-10 minutes but honestly, this flight was the cheapest option and had all the benefits listed above that is such an easy trade off. Im keeping an eye out for EVA air going forward.

I have never heard of EVA air before but I am so happy my wife and I were able to flight on their planes twice. Everything on these flights just felt better than their competitors. As someone with longer legs any bit of extra leg spaces is appreciated. The different options for food and drinks were also a plus. They were extra careful to make sure my wife's eating restrictions were taken care for. They had a before take off and landing announcements on the built in tablets for each seat and it gave out information that was very helpful. Such as what and how to declare your items in the specific country you landed in, any odd items that may be illegal to bring it (and even the reasoning why) and any other information you might need to make your post flight experience better. The only downside was there were "forced" ads on the tablet at take off for maybe 5-10 minutes but honestly, this flight was the cheapest option and had all the benefits listed above that is such an easy trade off. Im keeping an eye out for EVA air going forward.

Sub sandwhich for a snack through mid flight and giving a bottle water was a good idea

seats are pitched well. you don't feel too tight.

For the price, it was better than other airlines; quality of food and service was very good.

Check in process in Manila was so slow. From the time we got in line to reaching the counter we could have arrived at Taipei even if the flight was delayed for half hour.

Great but I am not sure why I was placed in zone 4 for boarding despite being an Infinity Member??? Can you explain online. Thanks

Excellent food. Good service. Crammed Premium Economy seats. I Asked to change seats during check in. They told me the flight was fully booked. But on board I saw empty seats where I could have been easily relocated.

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

Good. Please add a non- applicable category to your questions.

Flight from New Delhi to Tokyo was mediocre. The seats were not of business class as we are used to. They were not wide enough. On the other hand the seats on the flight from Tokyo to San Francisco were excellent every thing were great except the food. Tokyo business lounge was excellent. The whole experience was great except the food on the plane. Will still fly JAL.

The entree wasn’t very good. The rice was soggy. The side dishes were all good though. The breakfast was also good. The crew were excellent, as usual.

The flight attendants were excellent as usual however the meal wasn’t the usual good quality. There is cooked rice was mushy.

This portion of the trip from HCMC to Dallas was operated by American Airline. Unfortunately they are 2 steps below JAL in overall quality. Regardless, AAStill got me where I needed to go on time.

Website from the 1990s, super frustrating customer support, inflight experience merely OK - more like United than e.g. Emirates

The seats are significantly more comfortable than US airlines and the staff are much friendlier. The food is also much better, as they are particularly accommodating to any dietary restrictions.

Could had been better if they include in their menu some western food.

They 7 seats in one row for Business class while most business class for other airlines are 4 seats in one row. the seat was narrow. the Toilet was so smell, dimming light, no water out of faucet. Terrible.

Difficult to access advanced check-in online. No way to understand why it wouldn’t work. Call center not answering. Email for answers took days to respond, Kind service at the airport and on the flight made up for disappointing service before flight.

Courteous and helpful employees. Comfortable seats and temperature of aircraft . Did not need squid in my salad but glad to have the menu information advising me of what it was

Overall the experience was ok. My two complaints are that the food is absolutely disgusting. The movies in the flight to Japan were a completely different selection than the ones on the way back. So if you’re looking forward to watching a certain move on the way back, think again.

That food is absolutely disgusting. Bring your own meals because the food not only smells fowl but tastes even more so. Jesus, I’d rather just eat a protein bar.

Hard to explain because we thought we were booking ANA airlines, not ANA operated via United, so we were disappointed, but for what it’s worth, everything went smooth and loved the movie selections. The food was okay, processed and full of preservatives, so vs what we were expecting with ANA it was different

My wife and I liked everything except the cold breakfast

The overall experience was ok, though there was certainly room for improvement. My husband was asked to check his carry-on bag at the gate due to claims that the flight was “full.” However, upon boarding, we observed ample overhead space and several empty rows of seats. This made the request appear unnecessary and caused some discomfort, particularly as he was the only passenger singled out for this procedure.

The flight was smooth, but there were not enough options for meals and I was given beef when I do not eat beef. The flight going was much better because we received more snacks.

Thankful for the staff who provided blankets cause the plane was quite cold and no way to adjust the airflow in the seats next to the bathroom.

Uh there was a delay, because of the weather. And what took usually an hour flight to Louisville took about 6+ hours. Flight got canceled

There wasn't much entertainment for my short flight but the onboarding process was smooth and the crew provided wonderful service. The seats were also reasonably comfy. Great flight.

I had to get rerouted because the weather delayed my flight enough to miss both of my connecting flights. I select nearly 2 hours on customer service trying to get rerouted and had to miss my first plane which took my luggage to San Francisco. Luckily, customer service sent me to the same airport but I had to ride 12 hours in economy after I paid extra for premium economy. Totally sucks that I overpaid. Customer service and airplane crew were great and really helpful though. Although I still hate how small the seat was, especially since I'm smaller than average, I can't imagine how much it would suck for an average sized person.

Short staffs, I ask stewardess to bring me cognac twice during dinner but they didn't bring it!

The food and service was great. You have to pay a lot for in flight Internet though which is lame.

Flight was delayed at the last minute for six hours. Instead of delaying it to a normal hour, they moved it to 10 pm to essentially make it a redeye. There was no compensation or benefit offered for this inconvenience. Once on the plane, Inpaid for WiFi twice with both times it not working because of a “weak WiFi signal”, according to the flight attendants. They also chose the farther possible gates in both airports from the entrance/exit, even though they were one of the few active flights left so late in the evening. Overall it was pretty horrible.

Special request meals are really below average. Vegetarian options are very limited if you didn't prebook.

So so, crew was overly professional and lacks human touch. Equipment is very old, especially the HKG-PVG CX366 flight. That plane along with its decor must have twenty years of history, or at least I had that impression.

Very noisy and careless crew on this overnight flight. They should understand customers want to sleep

Everything was fine and I have no complaints or things to note.

The flight was delayed for 30 mins. The overall experience was good.

Highly impressive. On time. Smooth and fast boarding and disembarkment. Really great service

Horrible. No good food. Baggage missed to onboard and came after a day. No support to compensate the delay. Customer care cannot see the status of the complaint. No reply of the email.

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

I liked that the flight was nonstop from ORD to CIU for $200 round trip.

The schedule to Moline changed 5 times. The gate changed 6 times. That is a pathetic way to run an airline. No wonder that no one in our company flies on United Express to or from Moline. Changes happen most of the time. I learned my lesson on this trip…never again!

All flight attendants could benefit by taking an international flight on Qantas Airline. Qantas attendants are much more hospitable in every way. Much superior than and attendants on any US airline.

While the staff was pleasant and helpful, the following observations are for your awareness. There was some delay on the tarmac on take off and landing. The paid lunch/food offerings were limited. Entertainment was only available on WiFi at a cost.

The first flight was better in terms of the aircraft.

So far so good but food and entertainment are not available for this flight

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.

Overall poor for me I paid extra for seats with leg room and my regional flights exit row seats have less leg room then the others that's money that could have been saved and on my final flight home the flights air was not operating it was unbearably hot in the cabin I will be contacting United and filing a DOT complaint

It was my first time with United Airlines and I would say it was very good experience and best of all the flights were on time. Will definitely fly with United Airlines next time.

Book cheap flights from Southeast Asia to Illinois

Recent return flight deals

22-6Sun
2 stopsJapan Airlines
32h 13mSIN-ORD
22-7Tue
1 stopJapan Airlines
27h 00mORD-SIN
S$ 868
27-10Mon
1 stopUnited Airlines
26h 00mSIN-ORD
13-11Thu
1 stopUnited Airlines
23h 05mORD-SIN
S$ 877
23-6Mon
2 stopsJapan Airlines
54h 34mSIN-ORD
22-7Tue
1 stopJapan Airlines
27h 00mORD-SIN
S$ 879
7-10Tue
1 stopANA
23h 30mSIN-ORD
13-10Mon
1 stopANA
23h 55mORD-SIN
S$ 1,039
7-10Tue
2 stopsANA
31h 01mSIN-ORD
13-10Mon
1 stopANA
23h 55mORD-SIN
S$ 1,051
6-10Mon
1 stopCathay Pacific
25h 35mSIN-ORD
13-10Mon
1 stopCathay Pacific
24h 30mORD-SIN
S$ 1,372
3-12Wed
1 stopCathay Pacific
25h 35mSIN-ORD
2-1Fri
1 stopCathay Pacific
31h 15mORD-SIN
S$ 1,397
7-10Tue
2 stopsEVA Air
30h 11mSIN-ORD
13-10Mon
2 stopsEVA Air
41h 00mORD-SIN
S$ 1,482
23-6Mon
2 stopsEVA Air
26h 53mSIN-ORD
7-7Mon
1 stopEVA Air
22h 30mORD-SIN
S$ 1,539
11-7Fri
1 stopEtihad Airways
24h 35mSIN-ORD
18-7Fri
1 stopEtihad Airways
30h 45mORD-SIN
S$ 1,814

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Recent one-way flight deals

26-7Sat
2 stopsJapan Airlines
38h 53mSIN-ORD
S$ 631
5-9Fri
2 stopsJapan Airlines
28h 54mSIN-ORD
S$ 632
26-8Tue
1 stopJapan Airlines
20h 20mSIN-ORD
S$ 634
30-11Sun
1 stopCathay Pacific
25h 35mSIN-ORD
S$ 874
29-11Sat
1 stopCathay Pacific
25h 35mSIN-ORD
S$ 878
16-7Wed
1 stopUnited Airlines
21h 59mSIN-ORD
S$ 902
20-9Sat
2 stopsUnited Airlines
44h 17mSIN-ORD
S$ 1,478
28-11Fri
2 stopsEVA Air
30h 01mSIN-ORD
S$ 1,632
28-11Fri
1 stopEVA Air
20h 20mSIN-ORD
S$ 1,763
4-11Tue
2 stopsANA
32h 31mSIN-ORD
S$ 3,068

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Last minute flights from Southeast Asia to Illinois

Last minute flight, train and bus deals

17-6Tue
multi-stopUnited Airlines
24h 26mSIN-ORD
20-8Wed
multi-stopUnited Airlines
22h 06mORD-SIN
S$ 881
17-6Tue
multi-stopJapan Airlines
30h 34mSIN-ORD
27-6Fri
multi-stopJapan Airlines
41h 44mORD-SIN
S$ 923
17-6Tue
multi-stopJapan Airlines
30h 34mSIN-ORD
27-6Fri
multi-stopJapan Airlines
41h 44mORD-SIN
S$ 924
17-6Tue
multi-stopJapan Airlines
20h 55mSIN-ORD
19-8Tue
multi-stopJapan Airlines
27h 00mORD-SIN
S$ 951
17-6Tue
multi-stopANA
26h 56mSIN-ORD
20-8Wed
multi-stopANA
26h 55mORD-SIN
S$ 1,096
16-6Mon
multi-stopAmerican Airlines
25h 20mSIN-ORD
19-8Tue
multi-stopAmerican Airlines
27h 00mORD-SIN
S$ 1,344
16-6Mon
multi-stopAmerican Airlines
25h 20mSIN-ORD
20-8Wed
multi-stopAmerican Airlines
25h 14mORD-SIN
S$ 1,348
17-6Tue
multi-stop
32h 55mSIN-ORD
20-8Wed
multi-stop
40h 55mORD-SIN
S$ 1,384
17-6Tue
multi-stopCathay Pacific
25h 35mSIN-ORD
27-6Fri
multi-stopCathay Pacific
24h 30mORD-SIN
S$ 1,792
17-6Tue
multi-stopCathay Pacific
25h 35mSIN-ORD
27-6Fri
multi-stopCathay Pacific
24h 30mORD-SIN
S$ 1,795

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Everything you need to know for your flight to Illinois

Cabin class types available on flights to Southeast Asia

Cabin classes available on flights to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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