HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$335+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Southeast Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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 3/82:30 pm
ORD
-
DPS
1 stop29h 05m
Air India
Tue 3/1710:00 am
DPS
-
ORD
2 stops39h 30m
Air India
Deal found 1/27$747
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:30 am
ORD
-
MNL
1 stop28h 05m
EVA Air
Thu 4/3012:40 pm
MNL
-
ORD
1 stop21h 20m
EVA Air
Deal found 1/28$747
This oojo deal was found by Cheapflights users on 1/27. 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 4/11:10 pm
ORD
-
DPS
1 stop35h 25m
Air India
Thu 5/1410:00 am
DPS
-
ORD
2 stops38h 10m
Air India
Deal found 1/27$748
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:30 am
ORD
-
MNL
1 stop22h 10m
EVA Air
Wed 9/3012:40 pm
MNL
-
ORD
1 stop21h 05m
EVA Air
Deal found 1/28$748
This oojo deal was found by Cheapflights users on 1/27. 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 3/162:30 pm
ORD
-
MNL
1 stop43h 10m
Air India
Sat 4/1810:55 pm
MNL
-
ORD
2 stops49h 15m
Air India
Deal found 1/27$750
This oojo deal was found by Cheapflights users on 1/27. 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.
Fri 3/61:30 pm
ORD
-
DPS
1 stop29h 05m
Air India
Tue 3/1710:00 am
DPS
-
ORD
2 stops39h 30m
Air India
Deal found 1/27$752
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:10 pm
ORD
-
DPS
1 stop35h 25m
Air India
Sat 5/162:35 pm
DPS
-
ORD
2 stops33h 35m
Air India
Deal found 1/28$754
This oojo deal was found by Cheapflights users on 1/27. 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.
Fri 3/272:30 pm
ORD
-
DPS
1 stop34h 05m
Air India
Sun 4/52:35 pm
DPS
-
ORD
2 stops33h 35m
Air India
Deal found 1/27$757
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/146:31 am
ORD
-
MNL
1 stop35h 04m
Multiple Airlines
Mon 4/2710:45 am
MNL
-
ORD
2 stops32h 05m
Multiple Airlines
Deal found 1/28$758
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/146:31 am
ORD
-
MNL
1 stop35h 04m
Multiple Airlines
Sat 5/210:45 am
MNL
-
ORD
2 stops32h 05m
Multiple Airlines
Deal found 1/28$759
This oojo deal was found by Cheapflights users on 1/27. 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 2/11:30 pm
ORD
-
DPS
1 stop29h 05m
Air India
Sun 2/83:10 pm
DPS
-
ORD
2 stops34h 20m
Air India
Deal found 1/27$762
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/146:31 am
ORD
-
MNL
1 stop35h 04m
Multiple Airlines
Fri 5/110:45 am
MNL
-
ORD
2 stops33h 01m
Multiple Airlines
Deal found 1/28$763

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(oojo)

One-way from

$335
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$959
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. 21% potential increase in price ($294 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

Tue 4/21

5:53 pm-11:40 pm

2 stops41h 47m

Bangkok Suvarnabhumi

Mon 4/27

9:50 am-11:58 pm

2 stops26h 08m

$808

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 3/3

6:40 pm-12:55 am

2 stops41h 15m

Bangkok Suvarnabhumi

Mon 3/9

11:15 pm-10:31 pm

2 stops35h 16m

$808

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 3/3

6:40 pm-12:55 am

2 stops41h 15m

Bangkok Suvarnabhumi

Mon 3/9

2:05 am-10:31 pm

2 stops32h 26m

$808

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 3/9

9:35 am-12:55 am

2 stops27h 20m

Bangkok Suvarnabhumi

Tue 3/17

2:05 am-10:31 pm

2 stops32h 26m

$808

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/15

2:05 pm-9:35 am

3 stops31h 30m

Bangkok Suvarnabhumi

Sun 4/26

9:35 am-8:40 am

1 stop35h 05m

$827

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 4/20

2:06 pm-9:35 am

3 stops31h 29m

Bangkok Suvarnabhumi

Thu 4/23

7:00 am-7:07 am

2 stops36h 07m

$828

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 3/22

2:30 pm-7:50 am

1 stop29h 20m

Bangkok Suvarnabhumi

Sun 4/12

3:15 pm-11:10 am

1 stop31h 55m

$831

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 4/19

9:15 pm-9:35 am

2 stops48h 20m

Bangkok Suvarnabhumi

Thu 4/23

7:00 am-7:07 am

2 stops36h 07m

$832

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/23

10:30 am-5:10 am

1 stop29h 40m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-5:07 am

2 stops24h 12m

$838

ChicagoManila

ORD - MNL

ORDMNL

Chicago O'Hare Intl

Mon 4/13

4:00 pm-5:55 am

2 stops24h 55m

Manila Ninoy Aquino Intl

Wed 4/29

9:20 pm-9:14 am

2 stops24h 54m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
1
2
3
...
6

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 $834). 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.

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?

    Delta, United Airlines, and Air India can get you from Illinois to Southeast Asia in just under 29h 20m. Your travel time can differ by up to 12h 27m. 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 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 $834). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
San Francisco to Haneda flights
Newark to Narita flights
Newark to Haneda flights
Seattle to Narita flights
John F Kennedy Intl to Narita flights
San Francisco to Narita flights
Dallas/Fort Worth to Narita flights
Los Angeles to Suvarnabhumi flights
Seattle to Haneda flights
Dallas/Fort Worth to Haneda flights
Los Angeles to Manila flights
O'Hare Intl to Narita flights
LaGuardia to Narita flights
San Francisco to New Delhi flights
LaGuardia to Haneda flights
Hobby to Haneda flights
O'Hare Intl to Haneda flights
John F Kennedy Intl to New Delhi flights
Boston to Narita flights
Dulles Intl to Haneda flights
John F Kennedy Intl to Suvarnabhumi flights
Newark to New Delhi flights
Los Angeles to Incheon Intl flights
San Francisco to Manila flights
Seattle to Suvarnabhumi flights
Ontario to Narita flights
San Francisco to Taiwan Taoyuan Intl flights
Denver to Narita flights
John F Kennedy Intl to Incheon Intl flights
Los Angeles to Ho Chi Minh City flights
Dallas/Fort Worth to Suvarnabhumi flights
George Bush Intcntl to Haneda flights
Atlanta to Haneda flights
San Francisco to Suvarnabhumi flights
John F Kennedy Intl to Hong Kong flights
Seattle to Incheon Intl flights
Newark to Suvarnabhumi flights
San Francisco to Hong Kong flights
Los Angeles to Taiwan Taoyuan Intl flights
O'Hare Intl to Suvarnabhumi flights
Dulles Intl to Narita flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
Honolulu to Narita flights
John F Kennedy Intl to Hongqiao Intl flights
Boston to Haneda flights
San Francisco to Incheon Intl flights
San Francisco to Hongqiao Intl 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$600Average$1,080FlexibilityNo cancel feeOn-time80%
Air IndiaCheapest$601Average$838FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$620Average$1,104FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$661Average$1,000FlexibilityNo cancel feeOn-time72%
DeltaCheapest$681Average$1,273FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$698Average$1,081FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$710Average$1,040FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$744Average$1,081FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$746Average$1,758FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$750Average$1,149FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.