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$570+ Cheap flights from Suvarnabhumi (BKK) 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
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Suvarnabhumi to Illinois

Keep the following information in mind while searching for Suvarnabhumi to Illinois flight deals. Data was last updated August 1, 2025.

Round-trip from

$850
(Gurufare)

One-way from

$570
(Booking.com)

Popular in

January

Cheapest in

February

Average price

$1,153
From Bangkok Suvarnabhumi to Illinois
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One-way flight from Bangkok Suvarnabhumi 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 August 2025
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Find flight deals from Suvarnabhumi to Illinois

Cheapest flights from Suvarnabhumi to Illinois
Explore the most affordable flight options available from Suvarnabhumi to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:25 amBKK - ORD
2 stops32h 57mJapan Airlines
Sat 9/271:05 amORD - BKK
1 stop26h 05mJapan Airlines
Deal found 7/31$850
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:10 pmBKK - ORD
2 stops36h 45mMultiple Airlines
Wed 2/118:20 pmORD - BKK
1 stop43h 00mMultiple Airlines
Deal found 7/31$897
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Wed 9/248:05 amBKK - STL
2 stops24h 27mJapan Airlines
Sun 10/56:20 amSTL - BKK
2 stops35h 30mJapan Airlines
Deal found 7/31$967
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:35 amBKK - ORD
2 stops33h 20mDelta
Thu 9/258:52 amORD - BKK
2 stops28h 13mDelta
Deal found 7/31$1,024
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/272:35 amBKK - MDW
2 stops31h 09mDelta
Thu 9/49:15 amMDW - BKK
2 stops26h 10mDelta
Deal found 7/31$1,024
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:15 pmBKK - ORD
1 stop22h 15mKorean Air
Tue 1/611:25 amORD - BKK
1 stop24h 20mKorean Air
Deal found 7/30$1,025
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:35 pmBKK - ORD
1 stop29h 45mANA
Tue 9/25:45 pmORD - BKK
1 stop22h 50mANA
Deal found 7/30$1,036
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:25 amBKK - ORD
2 stops27h 34mUnited Airlines
Thu 11/136:00 amORD - BKK
2 stops29h 05mUnited Airlines
Deal found 7/29$1,037
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.
Mon 11/108:15 amBKK - STL
2 stops44h 14mAir Canada
Fri 11/2810:00 amSTL - BKK
2 stops31h 30mAir Canada
Deal found 7/28$1,148
This EaseMyTrip deal was found by Cheapflights users on 7/31. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:40 amBKK - STL
2 stops47h 59mMultiple Airlines
Sat 10/256:33 amSTL - BKK
2 stops42h 32mMultiple Airlines
Deal found 7/31$1,153
This oojo deal was found by Cheapflights users on 7/31. 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 9/231:35 amBKK - STL
2 stops51h 59mEVA Air
Sun 10/53:57 pmSTL - BKK
2 stops31h 13mEVA Air
Deal found 7/31$1,196
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:35 amBKK - STL
2 stops34h 03mDelta
Sun 9/216:40 amSTL - BKK
2 stops27h 05mDelta
Deal found 7/31$1,393

Cheapflights Fare Finder

 
Customize your flight search to find flights from Suvarnabhumi 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 August 1, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Illinois that are best for you.

Fly from

Suvarnabhumi

Fly to

Illinois

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 9/26

12:25 am-9:22 pm

2 stops32h 57m

Chicago O'Hare Intl

Sat 9/27

1:05 am-3:10 pm

1 stop26h 05m

$850

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 9/17

5:10 pm-5:55 pm

2 stops36h 45m

Chicago O'Hare Intl

Wed 2/11

8:20 pm-4:20 am

1 stop43h 00m

$897

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 9/24

8:05 am-8:32 pm

2 stops24h 27m

Lambert-St Louis

Sun 10/5

6:20 am-5:50 am

2 stops35h 30m

$967

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 9/13

2:35 am-11:55 pm

2 stops33h 20m

Chicago O'Hare Intl

Thu 9/25

8:52 am-1:05 am

2 stops28h 13m

$1,024

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 8/27

2:35 am-9:44 pm

2 stops31h 09m

Chicago Midway

Thu 9/4

9:15 am-11:25 pm

2 stops26h 10m

$1,024

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 12/25

11:15 pm-8:30 am

1 stop22h 15m

Chicago O'Hare Intl

Tue 1/6

11:25 am-12:45 am

1 stop24h 20m

$1,025

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 8/26

9:35 pm-3:20 pm

1 stop29h 45m

Chicago O'Hare Intl

Tue 9/2

5:45 pm-4:35 am

1 stop22h 50m

$1,036

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 10/27

9:25 am-12:59 am

2 stops27h 34m

Chicago O'Hare Intl

Thu 11/13

6:00 am-12:05 am

2 stops29h 05m

$1,037

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 11/10

8:15 am-3:29 pm

2 stops44h 14m

Lambert-St Louis

Fri 11/28

10:00 am-6:30 am

2 stops31h 30m

$1,148

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/26

2:40 am-2:39 pm

2 stops47h 59m

Lambert-St Louis

Sat 10/25

6:33 am-1:05 pm

2 stops42h 32m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 35 results
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Best time to book a flight from Suvarnabhumi to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Illinois (average of $245). Flying from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport 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 August 1, 2025.
Read through reviews of airlines operating flights from Bangkok Suvarnabhumi Airport to Illinois, such as EVA Air, Korean Air, and ANA. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,220 reviews

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,220 reviews

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,220 reviews

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,220 reviews

Overall

8.4

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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 Suvarnabhumi 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 Suvarnabhumi Airport to Illinois one-way?

    The cheapest airlines for a one-way flight from Bangkok Suvarnabhumi Airport to Illinois are Air Canada ($570), Thai Airways ($611), and IndiGo ($617).

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

    When deciding which route to take from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi to Illinois that include hotel bookings?

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Illinois (average of $245). Flying from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi 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 Suvarnabhumi to Illinois

Discover the top 8 airlines that operate flights from Suvarnabhumi 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 August 1, 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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