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$570+ Cheap flights from Bangkok to Illinois

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Bangkok to Illinois

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

Round-trip from

$883
(Mytrip)

One-way from

$570
(Booking.com)

Popular in

January

Cheapest in

February

Average price

$1,155
From Bangkok to Illinois
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One-way flight from Bangkok to Illinois
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Highest demand for flights based on searches. 3% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Bangkok to Illinois

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

This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1112:15 pmBKK - ORD
2 stops35h 44mMultiple Airlines
jue. 9/187:06 pmORD - BKK
2 stops33h 34mMultiple Airlines
Deal found 7/28$883
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2612:25 amBKK - ORD
2 stops35h 47mJapan Airlines
mar. 9/21:05 amORD - BKK
1 stop26h 05mJapan Airlines
Deal found 7/30$948
This Japan Airlines deal was found by Cheapflights users on 7/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/19:45 amBKK - STL
2 stops49h 24mJapan Airlines
dom. 9/219:56 amSTL - BKK
2 stops25h 04mJapan Airlines
Deal found 7/30$996
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/181:00 amBKK - ORD
1 stop20h 30mKorean Air
vie. 1/3011:25 amORD - BKK
1 stop22h 55mKorean Air
Deal found 7/30$1,004
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/159:40 amBKK - ORD
2 stops23h 07mDelta
mar. 12/306:20 amORD - BKK
2 stops28h 00mDelta
Deal found 7/29$1,028
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/122:35 amBKK - MDW
2 stops30h 35mDelta
sáb. 9/209:20 amMDW - BKK
2 stops26h 05mDelta
Deal found 7/30$1,028
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:05 amDMK - ORD
3 stops38h 54mMultiple Airlines
vie. 9/121:55 pmORD - DMK
2 stops26h 30mMultiple Airlines
Deal found 7/29$1,121
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/108:15 amBKK - STL
2 stops44h 14mAir Canada
vie. 11/2810:00 amSTL - BKK
2 stops31h 30mAir Canada
Deal found 7/28$1,148
This oojo deal was found by Cheapflights users on 7/28. 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.
jue. 11/62:15 amBKK - STL
2 stops50h 03mEVA Air
vie. 11/287:00 amSTL - BKK
2 stops39h 10mEVA Air
Deal found 7/28$1,284
This EaseMyTrip deal was found by Cheapflights users on 7/29. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/11:20 pmBKK - STL
2 stops37h 19mMultiple Airlines
dom. 9/216:30 pmSTL - BKK
2 stops27h 15mMultiple Airlines
Deal found 7/29$1,334
This Delta deal was found by Cheapflights users on 7/28. 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.
dom. 8/312:35 amBKK - STL
2 stops31h 27mDelta
dom. 9/217:40 amSTL - BKK
2 stops29h 25mDelta
Deal found 7/28$1,404
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/277:00 amBKK - STL
3 stops26h 58mUnited Airlines
sáb. 10/251:40 pmSTL - BKK
3 stops33h 10mUnited Airlines
Deal found 7/30$1,406

Cheapflights Fare Finder

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

Fly from

Bangkok

Fly to

Illinois

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

jue. 9/11

12:15 pm-11:59 am

2 stops35h 44m

Chicago O'Hare Intl

jue. 9/18

7:06 pm-4:40 pm

2 stops33h 34m

$883

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

mar. 8/26

12:25 am-12:12 am

2 stops35h 47m

Chicago O'Hare Intl

mar. 9/2

1:05 am-3:10 pm

1 stop26h 05m

$948

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

lun. 9/1

9:45 am-11:09 pm

2 stops49h 24m

Lambert-St Louis

dom. 9/21

9:56 am-11:00 pm

2 stops25h 04m

$996

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

mar. 11/18

1:00 am-8:30 am

1 stop20h 30m

Chicago O'Hare Intl

vie. 1/30

11:25 am-11:20 pm

1 stop22h 55m

$1,004

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

lun. 12/15

1:00 am-9:53 pm

2 stops33h 53m

Chicago O'Hare Intl

mar. 1/6

5:50 am-11:20 pm

2 stops28h 30m

$1,028

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

vie. 9/12

2:35 am-9:10 pm

2 stops30h 35m

Chicago Midway

sáb. 9/20

9:20 am-11:25 pm

2 stops26h 05m

$1,028

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

lun. 1/26

9:25 am-7:20 am

1 stop34h 55m

Chicago O'Hare Intl

mié. 3/4

2:10 pm-10:50 am

2 stops31h 40m

$1,029

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

jue. 9/4

9:05 am-11:59 am

3 stops38h 54m

Chicago O'Hare Intl

vie. 9/12

1:55 pm-4:25 am

2 stops26h 30m

$1,121

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

lun. 11/10

8:15 am-3:29 pm

2 stops44h 14m

Lambert-St Louis

vie. 11/28

10:00 am-6:30 am

2 stops31h 30m

$1,148

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

jue. 11/6

2:15 am-3:18 pm

2 stops50h 03m

Lambert-St Louis

vie. 11/28

7:00 am-11:10 am

2 stops39h 10m

$1,284

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 36 results
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Best time to book a flight from Bangkok to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Bangkok to Illinois (average of $245). Flying from Bangkok to Illinois in March is currently the most expensive (average of $321). 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 Bangkok to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated julio 30, 2025.
See what other customers who have flown with EVA Air, Korean Air, and ANA from Bangkok to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,222 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,222 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
922 reviews
EVA Air
8.4
Very good
1,222 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,536 reviews
EVA Air
8.4
Very good
1,222 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,222 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $570. Users have also found prices from $609 and $610 on Thai Airways and IndiGo, respectively.

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

    When deciding which route to take from Bangkok to Illinois consider Bangkok Suvarnabhumi - Chicago O'Hare Intl, Bangkok Suvarnabhumi - Chicago Midway or Bangkok Suvarnabhumi - Lambert-St Louis as they are the most popular.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Bangkok to Illinois (average of $245). Flying from Bangkok to Illinois in March is currently the most expensive (average of $321). 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

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Alternative routes for Bangkok to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Bangkok to Illinois

Discover the top 8 airlines that operate flights from Bangkok to Illinois. 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$548Average$1,089FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$681Average$1,042FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$915Average$1,090FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$956Average$1,068FlexibilityNo cancel feeOn-time72%
ANACheapest$957Average$1,082FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$986Average$1,056FlexibilityNo cancel feeOn-time69%
Thai AirwaysCheapest$994Average$1,155FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,026Average$1,132FlexibilityNo cancel feeOn-time74%

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