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Southeast Asia

$375+ Cheap flights from Illinois to Southeast 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Nov 7 — Nov 141
Fri 11/7
Fri 11/14
1 adult, Economy
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Find flight deals from Illinois to Southeast Asia

Cheapest flights from Illinois to Southeast Asia
Explore the most affordable flight options available from Illinois to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2025.

This oojo deal was found by Cheapflights users on 10/8. 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.
Mon 11/1011:15 amORD - CGK
1 stop44h 05mKorean Air
Mon 11/249:50 pmCGK - ORD
1 stop23h 40mKorean Air
Deal found 10/8$661
This Korean Air deal was found by Cheapflights users on 10/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:15 amORD - CGK
1 stop44h 05mKorean Air
Mon 11/109:50 pmCGK - ORD
1 stop23h 40mKorean Air
Deal found 10/7$689
This oojo deal was found by Cheapflights users on 10/6. 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.
Mon 10/201:10 pmORD - KUL
1 stop42h 45mAir India
Thu 10/308:05 amKUL - ORD
2 stops41h 25mAir India
Deal found 10/6$701
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:51 amORD - CGK
2 stops45h 29mDelta
Tue 1/69:50 pmCGK - ORD
2 stops55h 49mDelta
Deal found 10/6$705
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:47 amORD - CGK
2 stops47h 33mDelta
Tue 12/29:50 pmCGK - ORD
2 stops56h 25mDelta
Deal found 10/7$706
This Korean Air deal was found by Cheapflights users on 10/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:15 amORD - CGK
1 stop44h 05mKorean Air
Sat 12/279:50 pmCGK - ORD
1 stop23h 40mKorean Air
Deal found 10/6$737
This oojo deal was found by Cheapflights users on 10/8. 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.
Sun 10/191:10 pmORD - BKK
1 stop37h 05mAir India
Thu 10/305:55 pmBKK - ORD
2 stops30h 35mAir India
Deal found 10/8$739
This oojo deal was found by Cheapflights users on 10/6. 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.
Wed 12/311:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Thu 12/1810:10 amBKK - ORD
1 stop36h 55mTurkish Airlines
Deal found 10/6$741
This oojo deal was found by Cheapflights users on 10/6. 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.
Tue 11/2511:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Thu 12/2510:20 pmBKK - ORD
1 stop24h 45mTurkish Airlines
Deal found 10/6$743
This oojo deal was found by Cheapflights users on 10/6. 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.
Mon 10/201:10 pmORD - KUL
1 stop42h 45mAir India
Thu 10/238:05 amKUL - ORD
2 stops40h 05mAir India
Deal found 10/6$745
This FlightHub deal was found by Cheapflights users on 10/8. 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.
Mon 11/1711:50 amORD - SGN
1 stop28h 05mTurkish Airlines
Wed 12/106:35 amSGN - ORD
1 stop40h 30mTurkish Airlines
Deal found 10/8$747
This FlightHub deal was found by Cheapflights users on 10/6. 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.
Mon 11/1711:50 amORD - BKK
1 stop27h 30mTurkish Airlines
Tue 11/2510:10 amBKK - ORD
1 stop45h 15mTurkish Airlines
Deal found 10/6$748

Cheap flight deals from Illinois to Southeast Asia

Keep the following information in mind while searching for Illinois to Southeast Asia flight deals. Data was last updated October 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$661
(oojo)

One-way from

$375
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$914
Provider with most accurate pricing for Chicago (CHI)-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Manila Ninoy Aquino Intl flights.
Search Deals
From Illinois to Southeast Asia
Search Deals
One-way flight from Illinois to Southeast Asia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Southeast 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 October 8, 2025.
Use the filters below to find and compare flights from Illinois to Southeast Asia that are best for you.

Fly from

Illinois

Fly to

Southeast Asia

Route

Depart

Return

Price

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Thu 3/5

11:25 am-8:20 pm

1 stop43h 55m

Jakarta Soekarno-Hatta Intl

Tue 4/14

9:50 pm-9:40 am

1 stop23h 50m

$689

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Thu 3/12

12:25 pm-8:20 pm

1 stop43h 55m

Jakarta Soekarno-Hatta Intl

Sun 4/19

9:50 pm-9:40 am

1 stop23h 50m

$689

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Tue 3/10

12:25 pm-8:20 pm

1 stop43h 55m

Jakarta Soekarno-Hatta Intl

Mon 4/20

9:50 pm-9:40 am

1 stop23h 50m

$689

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Wed 2/18

6:15 pm-1:20 pm

2 stops30h 05m

Jakarta Soekarno-Hatta Intl

Thu 4/16

6:10 am-2:55 pm

1 stop20h 45m

$695

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Tue 3/17

9:21 pm-11:25 pm

2 stops38h 04m

Jakarta Soekarno-Hatta Intl

Mon 4/27

9:25 pm-10:36 pm

2 stops37h 11m

$702

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Mon 3/9

9:21 pm-11:25 pm

2 stops38h 04m

Jakarta Soekarno-Hatta Intl

Wed 4/15

2:30 pm-6:11 am

2 stops27h 41m

$703

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Mon 3/9

9:21 pm-11:25 pm

2 stops38h 04m

Jakarta Soekarno-Hatta Intl

Thu 4/9

2:30 pm-5:25 am

2 stops26h 55m

$703

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Wed 3/4

6:35 am-11:25 pm

2 stops27h 50m

Jakarta Soekarno-Hatta Intl

Tue 4/14

2:30 pm-4:55 am

2 stops26h 25m

$703

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Tue 2/24

6:35 am-11:25 pm

2 stops27h 50m

Jakarta Soekarno-Hatta Intl

Tue 4/14

2:30 pm-4:55 am

2 stops26h 25m

$703

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Tue 2/24

6:35 am-11:25 pm

2 stops27h 50m

Jakarta Soekarno-Hatta Intl

Thu 4/16

2:30 pm-5:25 am

2 stops26h 55m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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

Have a flexible travel schedule? Discover the best time to fly to Southeast 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 Southeast Asia

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Southeast Asia (average of $609). Flying from Illinois to Southeast Asia in June is currently the most expensive (average of $840). 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 YJX?

Find hourly flight availability from Illinois to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 8, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Illinois to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Southeast Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Southeast Asia flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • How long is the flight from Illinois to Southeast Asia?

    Korean Air, United Airlines, and Delta can get you from Illinois to Southeast Asia in just under 27h 55m. Your travel time can differ by up to 16h. There are 8545 mi between Illinois and Southeast Asia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Korean Air, with whom users have recently found tickets for as low as $404. However, be on the lookout for offers from Turkish Airlines and United Airlines, as they are both options that can get you from Illinois to Southeast Asia for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Southeast 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 Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Southeast Asia (average of $609). Flying from Illinois to Southeast Asia in June is currently the most expensive (average of $840). 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 Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Southeast Asia

Discover the top 10 airlines that operate flights from Illinois to Southeast 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 October 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$619Average$922FlexibilityNo cancel feeOn-timeN/A
ANACheapest$627Average$1,057FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$662Average$1,041FlexibilityNo cancel feeOn-time72%
DeltaCheapest$681Average$1,279FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$698Average$1,180FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$708Average$1,154FlexibilityNo cancel feeOn-time69%
IndiGoCheapest$735Average$1,260FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$744Average$1,024FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$746Average$1,758FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$791Average$1,120FlexibilityNo cancel feeOn-time79%

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