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$431+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
May 1 — May 81
Fri 5/1
Fri 5/8
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 April 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Fri 4/101:00 pm
ORD
-
BKK
1 stop42h 00m
Etihad Airways
Sun 4/268:50 pm
BKK
-
ORD
1 stop24h 25m
Etihad Airways
Deal found 3/28$824
This oojo deal was found by Cheapflights users on 3/27. 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 4/31:00 pm
ORD
-
BKK
1 stop42h 00m
Etihad Airways
Sun 4/198:50 pm
BKK
-
ORD
1 stop24h 25m
Etihad Airways
Deal found 3/27$829
This KAYAK deal was found by Cheapflights users on 3/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:00 pm
ORD
-
BKK
1 stop21h 50m
Etihad Airways
Sun 5/179:00 pm
BKK
-
ORD
1 stop23h 35m
Etihad Airways
Deal found 3/28$830
This IEagle deal was found by Cheapflights users on 3/27. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:30 pm
ORD
-
BKK
1 stop40h 50m
Air India
Thu 11/195:55 pm
BKK
-
ORD
2 stops30h 35m
Air India
Deal found 3/27$831
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:20 pm
ORD
-
BKK
1 stop42h 55m
Turkish Airlines
Wed 12/910:10 am
BKK
-
ORD
1 stop36h 55m
Turkish Airlines
Deal found 3/27$833
This Justfly.com deal was found by Cheapflights users on 3/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:00 pm
ORD
-
BKK
1 stop29h 45m
Etihad Airways
Sat 4/259:15 am
BKK
-
ORD
1 stop36h 00m
Etihad Airways
Deal found 3/28$834
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Fri 4/101:00 pm
ORD
-
BKK
1 stop29h 45m
Etihad Airways
Sat 4/258:50 pm
BKK
-
ORD
1 stop24h 25m
Etihad Airways
Deal found 3/28$837
This Gotogate deal was found by Cheapflights users on 3/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2911:15 am
ORD
-
BKK
1 stop23h 05m
Korean Air
Mon 1/1812:55 am
BKK
-
ORD
1 stop20h 45m
Korean Air
Deal found 3/28$839
This oojo deal was found by Cheapflights users on 3/31. 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 4/211:00 pm
ORD
-
BKK
1 stop41h 10m
Etihad Airways
Wed 4/298:50 pm
BKK
-
ORD
1 stop24h 25m
Etihad Airways
Deal found 3/31$844
This CrystalTravel deal was found by Cheapflights users on 3/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:00 pm
ORD
-
BKK
1 stop28h 15m
Etihad Airways
Wed 9/163:15 am
BKK
-
ORD
1 stop24h 25m
Etihad Airways
Deal found 3/27$847
This SAUDIA deal was found by Cheapflights users on 3/27. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:04 am
ORD
-
BKK
2 stops43h 41m
SAUDIA
Sat 5/93:25 pm
BKK
-
ORD
2 stops42h 11m
SAUDIA
Deal found 3/27$848
This FlightHub deal was found by Cheapflights users on 3/31. 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.
Thu 4/301:00 pm
ORD
-
BKK
1 stop22h 50m
Etihad Airways
Thu 6/49:00 pm
BKK
-
ORD
1 stop23h 35m
Etihad Airways
Deal found 3/31$849

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 April 1, 2026.

Round-trip from

$829
(oojo)

One-way from

$431
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$877
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 ($48 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 April 2026
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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 April 1, 2026.
Use the filters below to find and compare flights from Illinois to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/14

6:00 pm-9:35 am

2 stops27h 35m

Bangkok Suvarnabhumi

Tue 5/19

7:00 am-7:03 pm

2 stops24h 03m

$938

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 9/17

9:30 am-1:05 am

2 stops27h 35m

Bangkok Suvarnabhumi

Fri 10/2

9:50 am-9:46 pm

2 stops23h 56m

$944

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Mon 4/13

7:00 am-6:45 am

2 stops35h 45m

Bangkok Suvarnabhumi

Mon 4/20

8:50 pm-4:00 pm

2 stops31h 10m

$975

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Wed 4/29

7:00 am-6:45 am

2 stops35h 45m

Bangkok Suvarnabhumi

Wed 5/20

9:00 pm-7:21 pm

2 stops34h 21m

$975

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Tue 4/28

8:54 am-6:45 am

2 stops33h 51m

Bangkok Suvarnabhumi

Tue 5/5

3:55 pm-1:22 pm

2 stops33h 27m

$975

EvansvilleBangkok

EVV - BKK

EVVBKK

Evansville Dress Regional

Mon 5/4

5:10 am-11:50 pm

2 stops30h 40m

Bangkok Suvarnabhumi

Mon 5/18

3:55 pm-5:53 pm

2 stops37h 58m

$975

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 5/1

7:15 am-11:35 pm

2 stops28h 20m

Bangkok Suvarnabhumi

Fri 5/8

9:40 pm-9:50 pm

2 stops36h 10m

$1,020

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/7

4:19 pm-6:45 am

2 stops26h 26m

Bangkok Suvarnabhumi

Tue 4/14

8:40 pm-9:15 am

1 stop24h 35m

$1,029

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Sat 5/2

7:05 am-11:50 pm

2 stops28h 45m

Bangkok Suvarnabhumi

Sat 5/9

3:55 pm-4:41 pm

2 stops36h 46m

$1,056

PeoriaBangkok

PIA - BKK

PIABKK

Greater Peoria

Sun 9/13

9:59 am-7:15 am

2 stops33h 16m

Bangkok Suvarnabhumi

Wed 9/16

2:30 am-11:03 pm

2 stops32h 33m

$1,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $830). 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.

How much does it cost to fly round-trip from Illinois to Bangkok?

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 27h 35m. Fly via United Airlines, Delta, or Qatar Airways 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 $342 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 $830). 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.

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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$611Average$790FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$666Average$876FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$1,070FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$847FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$705Average$1,149FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$712Average$906FlexibilityNo cancel feeOn-time77%
DeltaCheapest$747Average$1,084FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$799Average$1,070FlexibilityNo cancel feeOn-time75%
EVA AirCheapest$807Average$1,019FlexibilityNo cancel feeOn-time74%

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