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$395+ Cheap flights from Illinois to Bangkok

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Illinois to Bangkok

Cheapest flights from Illinois to Bangkok
Explore the most affordable flight options available from Illinois to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This FlightHub deal was found by Cheapflights users on 2/9. 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 5/68:10 pm
ORD
-
BKK
1 stop21h 00m
Turkish Airlines
Wed 5/276:40 am
BKK
-
ORD
1 stop23h 35m
Turkish Airlines
Deal found 2/9$796
This oojo deal was found by Cheapflights users on 2/11. 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 2/181:30 pm
ORD
-
BKK
1 stop41h 50m
Air India
Tue 3/35:55 pm
BKK
-
ORD
2 stops30h 35m
Air India
Deal found 2/11$797
This Cathay Pacific deal was found by Cheapflights users on 2/9. 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.
Mon 2/92:35 pm
ORD
-
BKK
1 stop31h 40m
Cathay Pacific
Tue 2/177:55 am
BKK
-
ORD
1 stop18h 00m
Cathay Pacific
Deal found 2/9$798
This oojo deal was found by Cheapflights users on 2/9. 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 8/101:10 pm
ORD
-
BKK
1 stop30h 30m
Air India
Thu 8/205:55 pm
BKK
-
ORD
2 stops29h 15m
Air India
Deal found 2/9$799
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:00 pm
ORD
-
BKK
1 stop28h 45m
Etihad Airways
Fri 5/159:45 am
BKK
-
ORD
1 stop34h 50m
Etihad Airways
Deal found 2/10$800
This Gurufare deal was found by Cheapflights users on 2/10. 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.
Wed 10/77:40 am
ORD
-
BKK
2 stops28h 15m
ANA
Wed 10/287:10 am
BKK
-
ORD
2 stops24h 12m
ANA
Deal found 2/10$801
This FlightHub deal was found by Cheapflights users on 2/11. 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 9/2912:30 am
ORD
-
BKK
1 stop21h 55m
EVA Air
Thu 10/2212:25 pm
BKK
-
ORD
1 stop20h 20m
EVA Air
Deal found 2/11$802
This Gurufare deal was found by Cheapflights users on 2/11. 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.
Wed 5/67:00 am
ORD
-
BKK
2 stops38h 35m
ANA
Tue 5/199:35 am
BKK
-
ORD
2 stops25h 53m
ANA
Deal found 2/11$803
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Sun 8/308:10 pm
ORD
-
BKK
1 stop21h 00m
Turkish Airlines
Sat 9/126:40 am
BKK
-
ORD
1 stop27h 25m
Turkish Airlines
Deal found 2/10$804
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sun 4/52:00 pm
ORD
-
BKK
1 stop21h 50m
Etihad Airways
Wed 4/229:45 am
BKK
-
ORD
1 stop34h 50m
Etihad Airways
Deal found 2/9$805
This KAYAK deal was found by Cheapflights users on 2/11. 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 10/114:15 pm
ORD
-
BKK
1 stop29h 45m
Cathay Pacific
Thu 10/154:25 pm
BKK
-
ORD
1 stop33h 30m
Cathay Pacific
Deal found 2/11$806
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/2810:49 am
ORD
-
BKK
3 stops34h 46m
United Airlines
Wed 5/139:35 am
BKK
-
ORD
1 stop35h 05m
United Airlines
Deal found 2/9$807

Find flight deals from Illinois to Bangkok

Keep the following information in mind while searching for Illinois to Bangkok flight deals. Data was last updated February 12, 2026.

Round-trip from

$796
(FlightHub)

One-way from

$395
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$883
From Illinois to Bangkok
Search Deals
One-way flight from Illinois to Bangkok
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Bangkok 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 February 12, 2026.
Use the filters below to find and compare flights from Illinois to Bangkok that are best for you.

Fly from

Illinois

Fly to

Bangkok

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/18

12:50 pm-11:25 am

3 stops33h 35m

Bangkok Suvarnabhumi

Tue 3/3

4:55 pm-5:12 am

2 stops25h 17m

$809

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/29

2:35 pm-9:35 am

3 stops31h 00m

Bangkok Suvarnabhumi

Sun 5/17

9:35 am-8:40 am

1 stop35h 05m

$830

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/14

4:00 pm-9:35 am

2 stops29h 35m

Bangkok Suvarnabhumi

Thu 4/30

9:35 am-5:04 am

2 stops31h 29m

$835

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 4/27

3:45 pm-9:35 am

2 stops29h 50m

Bangkok Suvarnabhumi

Mon 5/11

3:45 pm-9:00 am

3 stops29h 15m

$836

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 4/26

2:00 pm-11:50 pm

1 stop21h 50m

Bangkok Suvarnabhumi

Mon 5/11

3:05 pm-8:35 am

1 stop29h 30m

$839

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/15

2:35 pm-9:35 am

3 stops31h 00m

Bangkok Suvarnabhumi

Thu 4/30

9:35 am-5:04 am

2 stops31h 29m

$840

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 2/24

7:10 am-12:20 am

2 stops28h 10m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-6:19 am

2 stops25h 24m

$842

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 5/5

8:55 am-4:35 am

2 stops31h 40m

Bangkok Suvarnabhumi

Tue 9/1

7:00 am-2:55 pm

1 stop19h 55m

$845

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/25

6:25 am-11:25 am

2 stops40h 00m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-5:18 am

2 stops24h 23m

$846

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 3/25

10:28 am-11:25 pm

2 stops24h 57m

Bangkok Suvarnabhumi

Mon 3/30

5:50 pm-8:35 am

2 stops50h 45m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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 Bangkok

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Bangkok (average of $642). Flying from Illinois to Bangkok in June is currently the most expensive (average of $790). 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 Bangkok. 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 Bangkok?

    There are many flights that can get you from Illinois to Bangkok in 21h 50m. Fly via United Airlines, Etihad Airways, or Delta to get the fastest option. The distance from Illinois to Bangkok is about 8545 mi. 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 Bangkok one-way?

    To fly one-way, consider booking your trip with Air India, which is currently one of the cheapest options available, starting at $308. Turkish Airlines flights start at $345 while deals on Cathay Pacific start at $360 one-way.

  • What are the most popular routes from Illinois to Bangkok?

    The most popular route from Illinois to Bangkok is Chicago O'Hare Intl - Bangkok Suvarnabhumi. You may also consider Chicago Midway - Bangkok Suvarnabhumi or Chicago O'Hare Intl - Bangkok Don Mueang Intl.

  • Can I find deals for flights from Illinois to Bangkok that include hotel bookings?

    Yes. In addition to deals on Illinois to Bangkok flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Bangkok?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Bangkok.

  • Can I find deals for business class flights from Illinois to Bangkok?

    Yes. Cheapflights offers flight deals from Illinois to Bangkok 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 Bangkok?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Bangkok (average of $642). Flying from Illinois to Bangkok in June is currently the most expensive (average of $790). 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 Bangkok

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 Bangkok

Discover the top 10 airlines that operate flights from Illinois to Bangkok. 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$617Average$840FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$666Average$879FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$1,074FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$697Average$862FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$706Average$933FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$706Average$950FlexibilityNo cancel feeOn-time69%
DeltaCheapest$745Average$1,054FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$759Average$1,010FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$828Average$1,150FlexibilityNo cancel feeOn-time74%

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