Southeast Asia

$402+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
May 5 — May 121
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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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$870
(United Airlines)

One-way from

$402
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$940
Provider with most accurate pricing for Chicago (CHI)-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Manila Ninoy Aquino Intl flights.
From Illinois to Southeast Asia
One-way flight from Illinois to Southeast Asia
Highest demand for flights based on searches. 9% potential increase in price ($122 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($65 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 30, 2025.

This Korean Air deal was found by Cheapflights users on 4/28. 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.
Wed 11/1211:05 amORD - BKK
1 stop24h 40mKorean Air
Mon 11/2411:15 pmBKK - ORD
1 stop22h 15mKorean Air
Deal found 4/28$867
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Thu 5/225:30 pmBKK - ORD
1 stop32h 55mCathay Pacific
Deal found 4/28$869
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/309:31 pmORD - BKK
2 stops43h 04mUnited Airlines
Sun 9/147:00 amBKK - ORD
2 stops25h 25mUnited Airlines
Deal found 4/28$870
This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 5/35:34 pmORD - BKK
2 stops42h 06mDelta
Fri 5/239:50 amBKK - ORD
2 stops26h 08mDelta
Deal found 4/28$877
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:45 pmORD - BKK
1 stop22h 50mANA
Fri 10/247:00 amBKK - ORD
2 stops24h 33mANA
Deal found 4/29$880
This Kissandfly.com deal was found by Cheapflights users on 4/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:20 amMDW - BKK
2 stops25h 20mMultiple Airlines
Wed 5/2111:30 pmBKK - MDW
2 stops24h 58mMultiple Airlines
Deal found 4/29$883
This oojo deal was found by Cheapflights users on 4/29. 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.
Sat 11/112:05 pmORD - CGK
1 stop44h 10mKorean Air
Wed 3/259:50 pmCGK - ORD
1 stop23h 50mKorean Air
Deal found 4/29$893
This IEagle deal was found by Cheapflights users on 4/29. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/54:00 pmORD - MNL
1 stop28h 35mCathay Pacific
Thu 5/228:20 pmMNL - ORD
1 stop31h 05mCathay Pacific
Deal found 4/29$894
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:19 amORD - MNL
2 stops41h 11mANA
Sun 9/212:40 pmMNL - ORD
1 stop37h 30mANA
Deal found 4/29$896
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/46:25 pmORD - MNL
1 stop22h 30mUnited Airlines
Wed 5/218:40 amMNL - ORD
1 stop19h 09mUnited Airlines
Deal found 4/29$898
This FlightHub deal was found by Cheapflights users on 4/29. 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 10/1011:25 amORD - CGK
1 stop42h 10mTurkish Airlines
Fri 10/179:00 pmCGK - ORD
1 stop24h 40mTurkish Airlines
Deal found 4/29$900
This KAYAK deal was found by Cheapflights users on 4/29. 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.
Fri 5/212:45 pmORD - CGK
1 stop39h 15mANA
Thu 5/226:10 amCGK - ORD
1 stop20h 45mANA
Deal found 4/29$901

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 April 30, 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

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 8/30

9:31 pm-4:35 am

2 stops43h 04m

Bangkok Suvarnabhumi

Sun 9/14

7:00 am-8:25 pm

2 stops25h 25m

$870

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 9/4

8:55 am-1:05 am

2 stops28h 10m

Bangkok Suvarnabhumi

Tue 9/9

2:35 am-11:53 pm

2 stops33h 18m

$877

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 10/3

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Fri 10/24

7:00 am-7:33 pm

2 stops24h 33m

$880

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 10/9

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

Sat 10/18

4:25 pm-2:25 pm

1 stop34h 00m

$883

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Mon 5/5

4:00 pm-9:35 am

1 stop28h 35m

Manila Ninoy Aquino Intl

Thu 5/22

8:20 pm-2:25 pm

1 stop31h 05m

$894

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Sun 5/4

6:25 pm-5:55 am

1 stop22h 30m

Manila Ninoy Aquino Intl

Wed 5/21

8:40 am-2:49 pm

1 stop19h 09m

$898

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Fri 10/10

11:25 am-5:35 pm

1 stop42h 10m

Jakarta Soekarno-Hatta Intl

Fri 10/17

9:00 pm-9:40 am

1 stop24h 40m

$900

ChicagoJakarta

ORD - CGK

ORDCGK

Chicago O'Hare Intl

Mon 10/13

1:55 pm-8:35 pm

1 stop42h 40m

Jakarta Soekarno-Hatta Intl

Thu 10/30

12:20 am-9:15 am

1 stop44h 55m

$906

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 10/1

7:50 pm-3:25 pm

1 stop31h 35m

Bangkok Suvarnabhumi

Thu 10/30

10:40 pm-7:25 pm

1 stop32h 45m

$906

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Tue 5/6

7:00 am-1:30 pm

2 stops41h 30m

Manila Ninoy Aquino Intl

Tue 6/3

9:10 am-2:55 pm

1 stop18h 45m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, March is the cheapest month in which you can book a flight from Illinois to Southeast Asia (average of $958). Flying from Illinois to Southeast Asia in December is currently the most expensive (average of $1,574). 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 April 30, 2025.

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

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated April 30, 2025.
Read through reviews of airlines operating flights from Illinois to Southeast Asia, such as STARLUX Airlines, EVA Air and Korean Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $402. However, be on the lookout for offers from Cathay Pacific and Japan 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, March is the cheapest month in which you can book a flight from Illinois to Southeast Asia (average of $958). Flying from Illinois to Southeast Asia in December is currently the most expensive (average of $1,574). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,530FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$632Average$885FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$733Average$1,065FlexibilityNo cancel feeOn-time72%
IndiGoCheapest$735Average$1,227FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$735Average$1,005FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$741Average$953FlexibilityNo cancel feeOn-time79%
ANACheapest$769Average$1,207FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$798Average$1,195FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$840Average$1,474FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$840Average$1,333FlexibilityNo cancel feeOn-time69%

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