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$338+ Cheap flights from Illinois to Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ICN
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Illinois to Asia

Keep the following information in mind while searching for Illinois to Asia flight deals. Data was last updated August 16, 2025.

Round-trip from

$687
(FlightHub)

One-way from

$338
(oojo)

Popular in

December

Cheapest in

September

Average price

$962

Good round-trip deal

$721 or less

Good one-way deal

$369 or less
From Illinois to Asia
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One-way flight from Illinois to Asia
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Highest demand for flights based on searches. 11% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Asia.
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Price to beat on a one-way flight from Illinois to Asia.
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Find flight deals from Illinois to Asia

Cheapest flights from Illinois to Asia
Explore the most affordable flight options available from Illinois to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This FlightHub deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:10 pmORD - DEL
Nonstop16h 20mAir India
Wed 10/152:20 amDEL - ORD
1 stop19h 20mAir India
Deal found 8/15$687
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:40 pmORD - BKK
1 stop31h 00mCathay Pacific
Sat 11/223:05 pmBKK - ORD
1 stop34h 55mCathay Pacific
Deal found 8/14$688
This Indian Eagle deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:20 pmORD - DEL
1 stop21h 30mTurkish Airlines
Fri 12/267:00 amDEL - ORD
1 stop22h 55mTurkish Airlines
Deal found 8/15$688
This eDestinos deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Fri 11/75:40 pmBKK - ORD
1 stop32h 20mCathay Pacific
Deal found 8/15$689
This Cathay Pacific deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:00 pmORD - DEL
1 stop42h 40mCathay Pacific
Sun 10/1210:40 pmDEL - ORD
1 stop26h 15mCathay Pacific
Deal found 8/14$689
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:50 pmORD - BKK
1 stop27h 45mUnited Airlines
Mon 9/157:00 amBKK - ORD
2 stops29h 45mUnited Airlines
Deal found 8/14$690
This Indian Eagle deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:00 pmORD - DEL
Nonstop14h 30mAir India
Sun 11/162:45 amDEL - ORD
Nonstop15h 15mAir India
Deal found 8/15$690
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:45 pmORD - BKK
1 stop22h 50mANA
Sun 9/211:55 pmBKK - ORD
1 stop37h 15mANA
Deal found 8/14$691
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:56 amORD - DEL
2 stops22h 34mAmerican Airlines
Wed 9/1011:30 pmDEL - ORD
2 stops24h 30mAmerican Airlines
Deal found 8/14$691
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:45 pmORD - BKK
1 stop22h 50mUnited Airlines
Thu 9/49:35 amBKK - ORD
2 stops26h 54mUnited Airlines
Deal found 8/14$692
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:10 pmORD - DEL
Nonstop16h 20mAir India
Fri 10/312:45 amDEL - ORD
Nonstop15h 15mAir India
Deal found 8/14$692
This Rumbo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:10 pmORD - DEL
Nonstop16h 20mAir India
Tue 9/92:20 amDEL - ORD
1 stop19h 20mAir India
Deal found 8/13$693

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Illinois to Asia that are best for you.

Fly from

Illinois

Fly to

Asia

Route

Depart

Return

Price

ChicagoNew Delhi

ORD - DEL

ORDDEL

Chicago O'Hare Intl

Sun 9/28

4:00 pm-11:50 pm

1 stop45h 20m

New Delhi Indira Gandhi Intl

Thu 10/2

10:40 pm-2:25 pm

1 stop26h 15m

$689

ChicagoNew Delhi

ORD - DEL

ORDDEL

Chicago O'Hare Intl

Thu 9/18

4:00 pm-11:50 pm

1 stop45h 20m

New Delhi Indira Gandhi Intl

Sun 10/5

1:15 am-2:25 pm

1 stop23h 40m

$689

ChicagoNew Delhi

ORD - DEL

ORDDEL

Chicago O'Hare Intl

Sat 9/20

4:00 pm-9:10 pm

1 stop42h 40m

New Delhi Indira Gandhi Intl

Fri 10/10

1:15 am-2:25 pm

1 stop23h 40m

$689

ChicagoNew Delhi

ORD - DEL

ORDDEL

Chicago O'Hare Intl

Fri 9/26

4:00 pm-11:50 pm

1 stop45h 20m

New Delhi Indira Gandhi Intl

Wed 12/3

10:45 pm-1:00 pm

1 stop25h 45m

$689

ChicagoNew Delhi

ORD - DEL

ORDDEL

Chicago O'Hare Intl

Sat 9/27

4:00 pm-9:10 pm

1 stop42h 40m

New Delhi Indira Gandhi Intl

Wed 11/26

1:30 am-1:00 pm

1 stop23h 00m

$689

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 8/28

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Sat 9/20

7:00 am-9:24 pm

2 stops26h 24m

$695

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 9/7

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Wed 10/1

7:00 am-8:25 pm

2 stops25h 25m

$695

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 9/21

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Wed 10/1

7:00 am-9:24 pm

2 stops26h 24m

$695

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 8/30

9:31 pm-4:35 am

2 stops43h 04m

Bangkok Suvarnabhumi

Mon 10/6

9:35 am-5:06 am

2 stops31h 31m

$697

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 8/29

6:00 am-4:35 am

2 stops34h 35m

Bangkok Suvarnabhumi

Mon 10/6

9:35 am-5:06 am

2 stops31h 31m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Asia

Have a flexible travel schedule? Discover the best time to fly to Asia from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Asia

What is the cheapest month to book a flight from Illinois to Asia?

Currently, February is the cheapest month in which you can book a flight from Illinois to Asia (average of $994). Flying from Illinois to Asia in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to AS?

Find hourly flight availability from Illinois to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Asia as you normally would.

Weekly flight availability from Illinois to Asia

Explore weekly flight availability from Illinois to Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 16, 2025.

The most flights from USIL to AS0 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to Asia one-way?

    For one-way options, check prices for Etihad Airways. According to our data, you can fly for as low as $338. Users have also found prices from $342 and $362 on Cathay Pacific and American Airlines, respectively.

  • Can I find deals for flights from Illinois to Asia that include hotel bookings?

    Yes. In addition to deals on Illinois to Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Asia.

  • Can I find deals for business class flights from Illinois to Asia?

    Yes. Cheapflights offers flight deals from Illinois to Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Asia?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Asia (average of $994). Flying from Illinois to Asia in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Asia

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Top 10 airlines flying from Illinois to Asia

Discover the top 10 airlines that operate flights from Illinois to Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$491Average$1,454FlexibilityNo cancel feeOn-time71%
SWISSCheapest$707Average$1,233FlexibilityNo cancel feeOn-time79%
KLMCheapest$732Average$1,115FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$741Average$1,302FlexibilityNo cancel feeOn-time68%
Singapore AirlinesCheapest$746Average$1,682FlexibilityNo cancel feeOn-time81%
Virgin AtlanticCheapest$750Average$841FlexibilityNo cancel feeOn-time72%
IndiGoCheapest$795Average$1,186FlexibilityNo cancel feeOn-time80%
LufthansaCheapest$801Average$1,201FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$818Average$1,238FlexibilityNo cancel feeOn-time77%
LOTCheapest$868Average$1,364FlexibilityNo cancel feeOn-time81%

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