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Southeast Asia

$354+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:45 amORD - BKK
2 stops37h 40mUnited Airlines
Fri 1/94:55 pmBKK - ORD
2 stops26h 35mUnited Airlines
Deal found 12/16$934
This oojo deal was found by Cheapflights users on 12/16. 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 12/291:30 pmORD - BKK
1 stop29h 20mAir India
Sat 1/243:10 pmBKK - ORD
2 stops33h 20mAir India
Deal found 12/16$982
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:35 pmORD - BKK
1 stop32h 30mCathay Pacific
Sun 1/253:05 pmBKK - ORD
1 stop34h 50mCathay Pacific
Deal found 12/16$983
This Ovago deal was found by Cheapflights users on 12/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:35 pmORD - BKK
1 stop36h 20mCathay Pacific
Wed 2/257:55 amBKK - ORD
1 stop18h 00mCathay Pacific
Deal found 12/18$1,054
This FlightHub deal was found by Cheapflights users on 12/18. 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.
Fri 12/262:35 pmORD - SGN
1 stop39h 00mCathay Pacific
Tue 1/271:50 pmSGN - ORD
1 stop36h 05mCathay Pacific
Deal found 12/18$1,059
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/272:35 pmORD - SGN
1 stop20h 45mCathay Pacific
Wed 1/2111:35 amSGN - ORD
1 stop38h 20mCathay Pacific
Deal found 12/17$1,063
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/319:00 amORD - MNL
2 stops31h 50mUnited Airlines
Mon 2/211:25 pmMNL - ORD
1 stop20h 19mUnited Airlines
Deal found 12/17$1,066
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/311:10 pmORD - BKK
2 stops33h 15mUnited Airlines
Thu 1/89:10 amBKK - ORD
1 stop19h 00mUnited Airlines
Deal found 12/16$1,073
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Wed 12/241:30 pmORD - BKK
1 stop29h 20mAir India
Tue 2/38:50 amBKK - ORD
2 stops39h 40mAir India
Deal found 12/16$1,079
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/311:10 pmORD - BKK
2 stops33h 15mUnited Airlines
Tue 1/69:10 amBKK - ORD
2 stops34h 15mUnited Airlines
Deal found 12/16$1,083
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:35 pmORD - BKK
1 stop20h 40mCathay Pacific
Thu 2/57:55 amBKK - ORD
1 stop18h 00mCathay Pacific
Deal found 12/16$1,089
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/279:10 pmORD - BKK
2 stops49h 15mUnited Airlines
Sun 1/184:55 pmBKK - ORD
2 stops40h 30mUnited Airlines
Deal found 12/17$1,093

Find 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 December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$648
(oojo)

One-way from

$354
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,573
Provider with most accurate pricing for Chicago (CHI)-Manila Ninoy Aquino Intl flight deals.
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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. 4% potential increase in price ($52 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 December 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 December 18, 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

ChicagoDenpasar

ORD - DPS

ORDDPS

Chicago O'Hare Intl

Mon 2/23

1:30 pm-1:50 pm

1 stop34h 20m

Denpasar Bali Ngurah Rai

Tue 3/10

10:00 am-12:30 pm

1 stop39h 30m

$732

ChicagoDenpasar

ORD - DPS

ORDDPS

Chicago O'Hare Intl

Fri 3/6

1:30 pm-1:50 pm

1 stop34h 20m

Denpasar Bali Ngurah Rai

Tue 3/17

10:00 am-12:30 pm

1 stop39h 30m

$732

ChicagoDenpasar

ORD - DPS

ORDDPS

Chicago O'Hare Intl

Sun 3/8

2:30 pm-8:35 am

1 stop29h 05m

Denpasar Bali Ngurah Rai

Sun 3/22

10:00 am-12:30 pm

1 stop39h 30m

$732

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Sun 2/8

11:25 am-10:25 pm

1 stop21h 00m

Manila Ninoy Aquino Intl

Mon 4/6

12:20 pm-9:40 am

1 stop34h 20m

$793

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Sun 3/15

12:25 pm-1:55 am

1 stop24h 30m

Manila Ninoy Aquino Intl

Wed 3/25

3:10 am-9:40 am

1 stop19h 30m

$793

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Mon 3/9

12:25 pm-10:25 pm

1 stop21h 00m

Manila Ninoy Aquino Intl

Thu 3/26

12:55 am-9:40 am

1 stop21h 45m

$793

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Fri 3/20

12:25 pm-1:55 am

1 stop24h 30m

Manila Ninoy Aquino Intl

Mon 3/30

12:20 pm-9:40 am

1 stop34h 20m

$793

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Fri 4/17

12:20 pm-11:59 pm

1 stop22h 39m

Manila Ninoy Aquino Intl

Sun 4/19

1:10 am-9:40 am

1 stop21h 30m

$793

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Tue 3/10

12:25 pm-1:55 am

1 stop24h 30m

Manila Ninoy Aquino Intl

Thu 3/26

3:10 am-9:40 am

1 stop19h 30m

$793

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Sun 4/12

9:15 am-5:55 am

1 stop31h 40m

Manila Ninoy Aquino Intl

Thu 4/16

8:40 am-7:56 pm

2 stops24h 16m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 $894). 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 December 18, 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?

    Air India, Korean Air, and United Airlines can get you from Illinois to Southeast Asia in just under 21h. Your travel time can differ by up to 23h 35m. There are 8116 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 Turkish Airlines, with whom users have recently found tickets for as low as $256. However, be on the lookout for offers from ANA and Air India, 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 $894). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$606Average$835FlexibilityNo cancel feeOn-timeN/A
ANACheapest$623Average$1,034FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$661Average$1,012FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$698Average$1,102FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$707Average$1,145FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$716Average$1,003FlexibilityNo cancel feeOn-time77%
DeltaCheapest$745Average$1,289FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$746Average$1,758FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$769Average$1,129FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$779Average$1,095FlexibilityNo cancel feeOn-time71%

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