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$368+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Illinois to Bangkok

Keep the following information in mind while searching for Illinois to Bangkok flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$679
(CrystalTravel)

One-way from

$368
(oojo)

Popular in

December

Cheapest in

September

Average price

$866
From Illinois to Bangkok
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One-way flight from Illinois to Bangkok
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Highest demand for flights based on searches. 6% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 11, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1512:40 pmORD - BKK
1 stop29h 20mANA
mié. 9/241:55 pmBKK - ORD
1 stop30h 45mANA
Deal found 9/9$679
This FlightHub deal was found by Cheapflights users on 9/9. 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.
mar. 10/2111:25 amORD - BKK
1 stop29h 50mTurkish Airlines
mar. 11/115:50 amBKK - ORD
1 stop25h 35mTurkish Airlines
Deal found 9/9$681
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/252:40 pmORD - BKK
1 stop31h 00mCathay Pacific
mié. 12/247:15 pmBKK - ORD
1 stop30h 45mCathay Pacific
Deal found 9/10$684
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/283:40 pmORD - BKK
1 stop31h 00mCathay Pacific
mar. 3/315:30 pmBKK - ORD
1 stop32h 55mCathay Pacific
Deal found 9/9$685
This Ovago deal was found by Cheapflights users on 9/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/24:00 pmORD - BKK
1 stop35h 25mCathay Pacific
dom. 10/125:30 pmBKK - ORD
1 stop32h 55mCathay Pacific
Deal found 9/11$686
This oojo deal was found by Cheapflights users on 9/11. 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.
mié. 10/14:00 pmORD - BKK
1 stop31h 05mCathay Pacific
lun. 10/134:25 pmBKK - ORD
1 stop34h 00mCathay Pacific
Deal found 9/11$687
This Ovago deal was found by Cheapflights users on 9/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:00 pmORD - BKK
1 stop30h 00mCathay Pacific
mié. 11/1211:40 amBKK - ORD
1 stop38h 20mCathay Pacific
Deal found 9/11$688
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:00 pmORD - BKK
1 stop19h 50mCathay Pacific
dom. 10/264:55 pmBKK - ORD
1 stop33h 05mCathay Pacific
Deal found 9/9$689
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/52:40 pmORD - BKK
1 stop31h 00mCathay Pacific
mar. 11/117:15 pmBKK - ORD
1 stop30h 45mCathay Pacific
Deal found 9/9$690
This CrystalTravel deal was found by Cheapflights users on 9/10. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/165:45 pmORD - BKK
1 stop24h 15mANA
mié. 10/159:35 pmBKK - ORD
1 stop23h 05mANA
Deal found 9/10$692
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/204:00 pmORD - BKK
1 stop31h 30mCathay Pacific
dom. 11/25:40 pmBKK - ORD
1 stop32h 20mCathay Pacific
Deal found 9/10$696
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/279:35 amMDW - BKK
2 stops25h 45mDelta
mié. 11/511:15 pmBKK - MDW
2 stops26h 13mDelta
Deal found 9/9$701

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 septiembre 11, 2025.
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

jue. 12/4

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

lun. 12/15

9:10 am-3:10 pm

1 stop19h 00m

$699

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

mié. 11/26

1:00 pm-11:25 am

2 stops33h 25m

Bangkok Suvarnabhumi

dom. 12/7

9:10 am-7:20 am

1 stop35h 10m

$702

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

lun. 10/27

8:57 am-9:30 pm

2 stops24h 33m

Bangkok Suvarnabhumi

mié. 2/25

12:55 am-9:14 pm

2 stops33h 19m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

mar. 11/25

11:14 am-12:45 am

2 stops48h 31m

Bangkok Suvarnabhumi

lun. 3/30

9:40 pm-11:44 pm

2 stops38h 04m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

jue. 9/18

9:35 am-9:45 pm

2 stops24h 10m

Bangkok Suvarnabhumi

lun. 10/13

9:40 pm-10:14 pm

2 stops36h 34m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

jue. 9/18

9:20 am-11:25 pm

2 stops26h 05m

Bangkok Suvarnabhumi

lun. 9/22

11:30 pm-6:35 pm

2 stops31h 05m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

mar. 9/16

9:35 am-1:05 am

2 stops27h 30m

Bangkok Suvarnabhumi

lun. 10/13

2:35 am-10:14 pm

2 stops31h 39m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

mié. 10/22

9:20 am-1:15 pm

2 stops39h 55m

Bangkok Suvarnabhumi

mié. 2/25

12:55 am-9:46 pm

2 stops33h 51m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

lun. 9/15

5:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

mié. 9/17

9:35 pm-8:40 am

1 stop23h 05m

$722

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

mié. 11/5

2:40 pm-2:05 pm

1 stop34h 25m

Bangkok Suvarnabhumi

mar. 11/18

11:40 am-1:00 pm

1 stop38h 20m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, September is the cheapest month in which you can book a flight from Illinois to Bangkok (average of $908). Flying from Illinois to Bangkok in December is currently the most expensive (average of $1,518). 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 BKK?

Find hourly flight availability from Illinois to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

When flying from Illinois to Bangkok, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 23h 45m. Fly via United Airlines, Delta, or American Airlines 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 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, September is the cheapest month in which you can book a flight from Illinois to Bangkok (average of $908). Flying from Illinois to Bangkok in December is currently the most expensive (average of $1,518). 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,391FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$658Average$903FlexibilityNo cancel feeOn-timeN/A
ANACheapest$686Average$939FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$689Average$882FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$708Average$899FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$710Average$1,249FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$752Average$944FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$772Average$979FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$815Average$978FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$820Average$1,190FlexibilityNo cancel feeOn-time75%

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