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Southeast Asia

$416+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
أبريل 9 — أبريل 161
ر 4/9
ر 4/16
1 adult, Economy
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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 أبريل 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$859
(KAYAK)

One-way from

$416
(Aunt Betty)

Popular in

December

Cheapest in

September

Average price

$947
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.
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From Illinois to Southeast Asia
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One-way flight from Illinois to Southeast Asia
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Highest demand for flights based on searches. 8% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 أبريل 4, 2025.

This FlightHub deal was found by Cheapflights users on 4/3. 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.
ث 10/144:00 pmORD - BKK
1 stop30h 00mCathay Pacific
ر 11/53:05 pmBKK - ORD
1 stop34h 55mCathay Pacific
Deal found 4/3$858
This KAYAK deal was found by Cheapflights users on 4/3. 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.
ن 9/112:40 pmORD - BKK
1 stop27h 55mANA
ث 9/99:35 pmBKK - ORD
1 stop23h 05mANA
Deal found 4/3$859
This United deal was found by Cheapflights users on 4/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ح 11/99:30 pmORD - BKK
2 stops37h 35mMultiple Airlines
ث 11/2510:50 pmBKK - ORD
1 stop28h 00mMultiple Airlines
Deal found 4/4$863
This United Airlines deal was found by Cheapflights users on 4/3. 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.
ث 4/224:09 pmORD - KUL
2 stops42h 46mUnited Airlines
خ 5/17:15 amKUL - ORD
2 stops29h 16mUnited Airlines
Deal found 4/3$863
This Korean Air deal was found by Cheapflights users on 4/3. 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.
ث 9/3012:10 pmORD - BKK
1 stop24h 55mKorean Air
ح 2/811:15 pmBKK - ORD
1 stop22h 25mKorean Air
Deal found 4/3$865
This SmartFares deal was found by Cheapflights users on 4/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 4/74:00 pmORD - KUL
1 stop31h 05mCathay Pacific
ن 4/145:40 pmKUL - ORD
1 stop33h 45mCathay Pacific
Deal found 4/2$865
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
ث 5/612:00 pmORD - KUL
1 stop30h 40mMultiple Airlines
ن 5/1212:20 amKUL - ORD
2 stops48h 16mMultiple Airlines
Deal found 4/4$868
This CrystalTravel deal was found by Cheapflights users on 4/3. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ث 10/217:15 amORD - KUL
2 stops27h 40mANA
خ 10/308:00 amKUL - ORD
1 stop19h 50mANA
Deal found 4/3$870
This United deal was found by Cheapflights users on 4/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 4/216:30 amORD - BKK
2 stops29h 25mUnited Airlines
ن 5/199:35 amBKK - ORD
1 stop41h 35mUnited Airlines
Deal found 4/4$872
This Delta deal was found by Cheapflights users on 4/3. 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.
ح 9/147:55 pmORD - KUL
2 stops36h 55mDelta
ث 9/2311:10 pmKUL - ORD
2 stops37h 37mDelta
Deal found 4/3$874
This Delta deal was found by Cheapflights users on 4/3. 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.
ث 10/287:30 amORD - BKK
2 stops27h 50mDelta
ن 12/229:40 amBKK - ORD
2 stops25h 58mDelta
Deal found 4/3$876
This Delta deal was found by Cheapflights users on 4/4. 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.
ث 10/283:40 pmMDW - BKK
2 stops33h 35mDelta
ح 12/2111:15 pmBKK - MDW
2 stops30h 08mDelta
Deal found 4/4$876

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 أبريل 4, 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

ن 9/1

12:40 pm-4:35 am

1 stop27h 55m

Bangkok Suvarnabhumi

ث 9/9

9:35 pm-8:40 am

1 stop23h 05m

$859

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

ث 4/22

4:09 pm-11:55 pm

2 stops42h 46m

Kuala Lumpur Intl

خ 5/1

7:15 am-11:31 pm

2 stops29h 16m

$863

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

ث 9/30

12:10 pm-1:05 am

1 stop24h 55m

Bangkok Suvarnabhumi

ح 2/8

11:15 pm-8:40 am

1 stop22h 25m

$865

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

ح 4/27

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

س 5/24

5:30 pm-2:25 pm

1 stop32h 55m

$867

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

ث 5/6

12:00 pm-7:40 am

1 stop30h 40m

Kuala Lumpur Intl

ن 5/12

12:20 am-11:36 am

2 stops48h 16m

$868

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

ن 8/4

5:45 pm-6:00 am

1 stop23h 15m

Kuala Lumpur Intl

ر 8/13

7:15 am-8:01 pm

2 stops25h 46m

$871

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

ن 4/21

6:30 am-11:55 pm

2 stops29h 25m

Bangkok Suvarnabhumi

ن 5/19

9:35 am-3:10 pm

1 stop41h 35m

$872

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

ر 4/23

4:00 pm-11:50 pm

1 stop19h 50m

Bangkok Suvarnabhumi

س 5/10

1:15 am-6:42 am

2 stops41h 27m

$873

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

ح 9/14

7:55 pm-9:50 pm

2 stops36h 55m

Kuala Lumpur Intl

ث 9/23

11:10 pm-11:47 pm

2 stops37h 37m

$874

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

ن 9/29

9:30 am-1:05 am

2 stops27h 35m

Bangkok Suvarnabhumi

ح 2/8

11:15 pm-12:41 pm

2 stops26h 26m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

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 أبريل 4, 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 أبريل 4, 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.
STARLUX Airlines
9.1
Wonderful
148 reviews

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
148 reviews
STARLUX Airlines
9.1
Wonderful
148 reviews

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,170 reviews
STARLUX Airlines
9.1
Wonderful
148 reviews

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,053 reviews
STARLUX Airlines
9.1
Wonderful
148 reviews

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,441 reviews
STARLUX Airlines
9.1
Wonderful
148 reviews

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
835 reviews
STARLUX Airlines
9.1
Wonderful
148 reviews

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 Cathay Pacific, with whom users have recently found tickets for as low as $416. However, be on the lookout for offers from Air India and ANA, 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

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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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San Francisco to Hong Kong flights

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 أبريل 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,354FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$632Average$904FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$733Average$1,045FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$740Average$999FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$741Average$1,158FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$820Average$1,270FlexibilityNo cancel feeOn-time81%
ANACheapest$821Average$1,243FlexibilityNo cancel feeOn-time80%
Etihad AirwaysCheapest$828Average$1,270FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$841Average$1,375FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$856Average$1,442FlexibilityNo cancel feeOn-time71%

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