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Southeast Asia

$400+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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Cheap flight deals from Illinois to Southeast Asia

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Southeast Asia (zzYJX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Round-trip from

$802
(oojo)

One-way from

$421
(Kiwi.com)
From Illinois to Southeast Asia
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One-way flight from Illinois to Southeast Asia
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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 December 23, 2024.

This Ovago deal was found by Cheapflights users on 12/22. 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.
Tue 12/312:40 pmORD - BKK
1 stop31h 00mCathay Pacific
Wed 1/296:40 amBKK - ORD
1 stop19h 20mCathay Pacific
Deal found 12/22$1,012
This Gurufare deal was found by Cheapflights users on 12/23. 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.
Tue 12/312:40 pmORD - SIN
1 stop35h 05mCathay Pacific
Wed 1/298:15 pmSIN - ORD
1 stop30h 45mCathay Pacific
Deal found 12/23$1,031
This Cathay Pacific deal was found by Cheapflights users on 12/22. 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.
Tue 12/312:40 pmORD - SGN
1 stop30h 55mCathay Pacific
Sun 1/267:35 pmSGN - ORD
1 stop30h 25mCathay Pacific
Deal found 12/22$1,065
This FlightHub deal was found by Cheapflights users on 12/22. 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 12/3111:55 amORD - BKK
1 stop27h 45mTurkish Airlines
Tue 4/111:00 amBKK - ORD
1 stop34h 50mTurkish Airlines
Deal found 12/22$1,154
This oojo deal was found by Cheapflights users on 12/22. 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 12/312:40 pmORD - DMK
1 stop30h 05mCathay Pacific
Wed 2/126:30 pmDMK - ORD
1 stop31h 30mCathay Pacific
Deal found 12/22$1,201
This United Airlines deal was found by Cheapflights users on 12/23. 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 12/249:07 pmORD - SIN
1 stop33h 08mUnited Airlines
Thu 1/2310:10 amSIN - ORD
1 stop27h 09mUnited Airlines
Deal found 12/23$1,240
This oojo deal was found by Cheapflights users on 12/22. 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 12/3011:30 pmORD - BKK
1 stop22h 40mEVA Air
Tue 2/112:15 amBKK - ORD
1 stop30h 20mEVA Air
Deal found 12/22$1,247
This United deal was found by Cheapflights users on 12/22. 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.
Sun 12/2910:00 pmORD - MNL
1 stop42h 50mUnited Airlines
Sun 2/910:55 pmMNL - ORD
2 stops45h 21mUnited Airlines
Deal found 12/22$1,281
This oojo deal was found by Cheapflights users on 12/23. 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 12/3111:30 pmORD - CEB
1 stop21h 45mEVA Air
Tue 1/2112:30 pmCEB - ORD
1 stop21h 05mEVA Air
Deal found 12/23$1,289
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/312:40 pmORD - SGN
1 stop30h 55mMultiple Airlines
Wed 1/225:20 pmSGN - ORD
2 stops42h 53mMultiple Airlines
Deal found 12/22$1,333
This Gurufare deal was found by Cheapflights users on 12/22. 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.
Tue 12/312:40 pmORD - MNL
1 stop30h 40mCathay Pacific
Wed 5/75:30 amMNL - ORD
1 stop21h 55mCathay Pacific
Deal found 12/22$1,334
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3011:30 pmORD - BKK
1 stop22h 40mMultiple Airlines
Wed 1/292:00 pmBKK - ORD
2 stops37h 39mMultiple Airlines
Deal found 12/22$1,342

Find flights from Illinois to Southeast Asia within your budget

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 23, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

Mon 1/20

11:55 am-8:20 am

1 stop30h 25m

Kuala Lumpur Intl

Wed 2/5

10:00 am-10:10 am

1 stop38h 10m

$799

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

Thu 2/20

6:09 pm-10:20 am

2 stops26h 11m

Kuala Lumpur Intl

Wed 3/5

2:15 pm-3:05 pm

1 stop38h 50m

$819

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Mon 1/13

7:18 am-6:40 am

2 stops33h 22m

Singapore Changi

Mon 1/27

2:20 am-7:31 pm

2 stops31h 11m

$819

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sat 2/22

8:30 pm-8:45 am

1 stop22h 15m

Singapore Changi

Wed 3/5

11:25 pm-10:10 am

1 stop24h 45m

$820

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Tue 2/11

10:35 am-6:40 am

1 stop30h 05m

Singapore Changi

Thu 2/20

8:15 am-7:38 pm

2 stops25h 23m

$823

ChicagoKuala Lumpur

ORD - KUL

ORDKUL

Chicago O'Hare Intl

Wed 2/5

6:30 am-10:20 am

2 stops37h 50m

Kuala Lumpur Intl

Wed 2/12

5:00 pm-6:18 am

2 stops27h 18m

$831

ChicagoSingapore

ORD - SIN

ORDSIN

Chicago O'Hare Intl

Sun 2/9

2:40 pm-5:40 am

1 stop25h 00m

Singapore Changi

Wed 3/5

1:25 am-1:00 pm

1 stop25h 35m

$832

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 5/6

6:30 am-11:55 pm

2 stops29h 25m

Bangkok Suvarnabhumi

Thu 5/22

7:00 am-10:25 pm

2 stops27h 25m

$833

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/11

2:40 pm-12:05 pm

1 stop32h 25m

Bangkok Suvarnabhumi

Tue 3/25

6:40 am-2:00 pm

1 stop19h 20m

$838

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 2/16

11:00 am-2:05 pm

1 stop38h 05m

Bangkok Suvarnabhumi

Thu 5/15

3:05 pm-7:25 am

1 stop28h 20m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

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.

Travel insights for flights from Illinois to Southeast Asia

Get recent, data-driven insights about flights from Illinois to Southeast Asia including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Southeast Asia (average of $996). Flying from Illinois to Southeast Asia in June is currently the most expensive (average of $1,585). 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 23, 2024.

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 December 23, 2024.
Read through reviews of airlines operating flights from Illinois to Southeast Asia, such as ANA, EVA Air and China Southern. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,263 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,025 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

ANA
8.4
Very good
844 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Asiana Airlines
8.3
Very good
474 reviews
EVA Air
8.4
Very good
1,263 reviews

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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 Air India, with whom users have recently found tickets for as low as $454. However, be on the lookout for offers from Turkish Airlines and Korean Air, 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, October is the cheapest month in which you can book a flight from Illinois to Southeast Asia (average of $996). Flying from Illinois to Southeast Asia in June is currently the most expensive (average of $1,585). 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.

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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 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,374FlexibilityNo cancel feeOn-time75%
Cathay PacificCheapest$733Average$982FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$744Average$996FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$783Average$1,173FlexibilityNo cancel feeOn-time79%
Air IndiaCheapest$795Average$983FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$810Average$1,339FlexibilityNo cancel feeOn-time81%
Etihad AirwaysCheapest$820Average$1,342FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$836Average$1,546FlexibilityNo cancel feeOn-time69%
ANACheapest$851Average$1,340FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$856Average$1,297FlexibilityNo cancel feeOn-time71%
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