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Suvarnabhumi

$393+ Cheap flights from Illinois to Suvarnabhumi (BKK)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Illinois to Suvarnabhumi

Cheapest flights from Illinois to Suvarnabhumi
Explore the most affordable flight options available from Illinois to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:22 pmORD - BKK
2 stops48h 53mMultiple Airlines
Sun 12/712:15 pmBKK - ORD
2 stops30h 50mMultiple Airlines
Deal found 10/30$734
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:50 amORD - BKK
1 stop31h 50mTurkish Airlines
Tue 11/1111:15 pmBKK - ORD
1 stop32h 10mTurkish Airlines
Deal found 10/29$741
This oojo deal was found by Cheapflights users on 10/27. 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 11/2611:15 amORD - BKK
1 stop24h 30mKorean Air
Wed 12/39:30 pmBKK - ORD
1 stop24h 00mKorean Air
Deal found 10/27$750
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:50 amORD - BKK
1 stop31h 50mTurkish Airlines
Tue 12/235:50 amBKK - ORD
1 stop41h 15mTurkish Airlines
Deal found 10/30$752
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Mon 11/1711:15 amORD - BKK
1 stop24h 40mKorean Air
Tue 12/29:40 amBKK - ORD
1 stop35h 50mKorean Air
Deal found 10/29$761
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:30 amORD - BKK
2 stops29h 25mMultiple Airlines
Wed 11/267:55 pmBKK - ORD
2 stops42h 04mMultiple Airlines
Deal found 10/28$763
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 11/274:25 pmORD - BKK
1 stop25h 05mANA
Mon 12/157:10 amBKK - ORD
1 stop19h 40mANA
Deal found 10/29$764
This Justfly.com deal was found by Cheapflights users on 10/30. 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.
Mon 11/178:20 pmORD - BKK
1 stop29h 45mTurkish Airlines
Mon 12/2211:15 pmBKK - ORD
1 stop32h 10mTurkish Airlines
Deal found 10/30$766
This iWofly deal was found by Cheapflights users on 10/28. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:15 amORD - BKK
1 stop24h 30mKorean Air
Wed 12/1012:55 amBKK - ORD
1 stop20h 35mKorean Air
Deal found 10/28$769
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:06 pmORD - BKK
2 stops28h 09mMultiple Airlines
Thu 12/412:15 pmBKK - ORD
2 stops30h 50mMultiple Airlines
Deal found 10/30$772
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 11/252:35 pmORD - BKK
1 stop31h 05mCathay Pacific
Wed 4/17:00 pmBKK - ORD
1 stop31h 25mCathay Pacific
Deal found 10/29$784
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:34 pmMDW - BKK
2 stops42h 11mDelta
Wed 5/69:40 pmBKK - MDW
2 stops26h 50mDelta
Deal found 10/28$806

Cheap flight deals from Illinois to Suvarnabhumi

Keep the following information in mind while searching for Illinois to Suvarnabhumi flight deals. Data was last updated October 30, 2025.

Round-trip from

$720
(oojo)

One-way from

$393
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$843
From Illinois to Bangkok Suvarnabhumi
Search Deals
One-way flight from Illinois to Bangkok Suvarnabhumi
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Suvarnabhumi 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 October 30, 2025.
Use the filters below to find and compare flights from Illinois to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Illinois

Fly to

Suvarnabhumi

Route

Depart

Return

Price

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/27

11:15 am-12:55 am

1 stop24h 40m

Bangkok Suvarnabhumi

Wed 12/3

9:30 pm-8:30 am

1 stop24h 00m

$795

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 3/31

7:30 am-11:40 pm

2 stops28h 10m

Bangkok Suvarnabhumi

Thu 4/16

9:50 am-11:50 pm

2 stops26h 00m

$806

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 2/9

7:30 am-12:45 am

2 stops28h 15m

Bangkok Suvarnabhumi

Tue 2/24

12:55 am-12:41 pm

2 stops24h 46m

$806

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 1/20

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Mon 2/9

12:55 am-12:48 pm

2 stops24h 53m

$806

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 1/19

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Mon 2/9

9:40 am-10:26 pm

2 stops25h 46m

$806

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 11/24

5:34 pm-12:45 am

2 stops42h 11m

Bangkok Suvarnabhumi

Wed 5/6

9:40 pm-12:30 pm

2 stops26h 50m

$806

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 1/19

6:00 am-11:20 pm

2 stops28h 20m

Bangkok Suvarnabhumi

Wed 2/11

9:40 am-10:26 pm

2 stops25h 46m

$806

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/7

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Tue 4/21

9:35 am-6:28 am

2 stops32h 53m

$807

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 1/22

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Wed 5/13

9:50 am-8:38 am

2 stops34h 48m

$812

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 1/20

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Wed 5/13

9:50 am-8:38 am

2 stops34h 48m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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

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

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Bangkok Suvarnabhumi Airport (average of $642). Flying from Illinois to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $931). 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 Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Bangkok Suvarnabhumi Airport in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Illinois to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Suvarnabhumi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Bangkok Suvarnabhumi Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Suvarnabhumi. 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 Suvarnabhumi Airport?

    For as low as $807, Korean Air can have you in Bangkok Suvarnabhumi Airport from Illinois in 22h 50m. There are 8545 mi between Illinois and Bangkok Suvarnabhumi Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Bangkok Suvarnabhumi Airport one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $411. IndiGo flights start at $461 while deals on Delta start at $496 one-way.

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

    The most popular flight routes from Illinois to Bangkok Suvarnabhumi Airport are Chicago O'Hare Intl - Bangkok Suvarnabhumi, Chicago Midway - Bangkok Suvarnabhumi and Lambert-St Louis - Bangkok Suvarnabhumi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Suvarnabhumi 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 Suvarnabhumi Airport?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Bangkok Suvarnabhumi Airport (average of $642). Flying from Illinois to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $931). 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

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

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Alternative routes for Illinois to Suvarnabhumi

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 Suvarnabhumi

Discover the top 10 airlines that operate flights from Illinois to Suvarnabhumi. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$625Average$892FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$676Average$870FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$871FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$873FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$708Average$888FlexibilityNo cancel feeOn-time69%
IndiGoCheapest$735Average$1,260FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$743Average$1,000FlexibilityNo cancel feeOn-time77%
DeltaCheapest$745Average$1,158FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$820Average$1,139FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$825Average$974FlexibilityNo cancel feeOn-time79%

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