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$592+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$975
(FlightHub)

One-way from

$592
(Expedia)

Popular in

January

Cheapest in

September

Average price

$1,103
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. 4% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:45 amBKK - STL
2 stops25h 45mJapan Airlines
Wed 7/167:03 amSTL - BKK
2 stops27h 57mJapan Airlines
Deal found 6/11$975
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/109:35 amBKK - ORD
2 stops25h 58mUnited Airlines
Sun 7/275:45 pmORD - BKK
1 stop22h 50mUnited Airlines
Deal found 6/12$1,032
This Japan Airlines deal was found by Cheapflights users on 6/10. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:05 amBKK - ORD
1 stop19h 55mJapan Airlines
Sun 6/291:30 amORD - BKK
1 stop25h 40mJapan Airlines
Deal found 6/10$1,033
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:35 pmBKK - ORD
1 stop23h 05mANA
Sun 7/135:45 pmORD - BKK
1 stop24h 15mANA
Deal found 6/10$1,043
This United deal was found by Cheapflights users on 6/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:35 amBKK - ORD
1 stop35h 05mMultiple Airlines
Wed 10/2911:30 amORD - BKK
1 stop24h 35mMultiple Airlines
Deal found 6/11$1,045
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2911:10 amBKK - ORD
1 stop21h 35mEVA Air
Sun 10/512:30 amORD - BKK
1 stop22h 30mEVA Air
Deal found 6/11$1,054
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/108:05 amBKK - ORD
2 stops23h 40mAmerican Airlines
Sun 7/271:30 amORD - BKK
1 stop25h 40mAmerican Airlines
Deal found 6/10$1,110
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:50 amBKK - ORD
1 stop35h 40mDelta
Fri 10/317:30 amORD - BKK
2 stops26h 00mDelta
Deal found 6/10$1,116
This Air Canada deal was found by Cheapflights users on 6/12. 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 11/108:35 amBKK - STL
2 stops43h 51mAir Canada
Mon 12/14:15 pmSTL - BKK
2 stops49h 00mAir Canada
Deal found 6/12$1,123
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2912:50 pmBKK - ORD
1 stop36h 00mSWISS
Wed 8/202:20 pmORD - BKK
1 stop31h 25mSWISS
Deal found 6/11$1,128
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/116:45 amBKK - ORD
1 stop38h 55mTurkish Airlines
Mon 12/18:20 pmORD - BKK
1 stop23h 20mTurkish Airlines
Deal found 6/10$1,157
This Cathay Pacific deal was found by Cheapflights users on 6/12. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:25 pmBKK - ORD
1 stop34h 00mCathay Pacific
Mon 6/304:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Deal found 6/12$1,160

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 June 12, 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

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 7/9

9:45 am-11:30 pm

2 stops25h 45m

Lambert-St Louis

Wed 7/16

7:03 am-11:00 pm

2 stops27h 57m

$975

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 7/10

9:35 am-11:33 pm

2 stops25h 58m

Chicago O'Hare Intl

Mon 7/28

5:45 pm-4:35 am

1 stop22h 50m

$1,032

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 7/9

8:05 am-4:00 pm

1 stop19h 55m

Chicago O'Hare Intl

Sun 7/27

1:30 am-5:50 am

1 stop40h 20m

$1,035

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 7/9

9:35 pm-8:40 am

1 stop23h 05m

Chicago O'Hare Intl

Sun 7/13

5:45 pm-6:00 am

1 stop24h 15m

$1,043

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 9/26

9:35 am-8:40 am

1 stop35h 05m

Chicago O'Hare Intl

Wed 10/29

11:30 am-12:05 am

1 stop24h 35m

$1,045

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 9/29

11:10 am-8:45 pm

1 stop21h 35m

Chicago O'Hare Intl

Sun 10/5

12:30 am-11:00 am

1 stop22h 30m

$1,054

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 7/10

8:05 am-7:45 pm

2 stops23h 40m

Chicago O'Hare Intl

Sun 7/27

1:30 am-3:10 pm

1 stop25h 40m

$1,110

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 9/11

9:50 am-9:30 am

1 stop35h 40m

Chicago O'Hare Intl

Fri 10/31

7:30 am-9:30 pm

2 stops26h 00m

$1,116

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 11/10

8:35 am-3:26 pm

2 stops43h 51m

Lambert-St Louis

Mon 12/1

4:15 pm-6:15 am

2 stops49h 00m

$1,123

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 6/29

12:50 pm-12:50 pm

1 stop36h 00m

Chicago O'Hare Intl

Wed 8/20

2:20 pm-9:45 am

1 stop31h 25m

$1,128

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 55 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.

What is the cheapest time of day to fly from BKK to IL?

Find hourly flight availability from Suvarnabhumi to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Bangkok to Illinois by reading reviews from past customers. 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
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

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
1,490 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

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
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

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
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

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 Thai Airways ($592), Air Canada ($601), and IndiGo ($610).

  • 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 9 airlines flying from Suvarnabhumi to Illinois

Discover the top 9 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$681Average$1,004FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$859Average$1,045FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$915Average$1,123FlexibilityNo cancel feeOn-time81%
ANACheapest$941Average$1,070FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$951Average$1,048FlexibilityNo cancel feeOn-time69%
Thai AirwaysCheapest$994Average$1,155FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,009Average$1,117FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,044Average$1,157FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$1,087Average$1,271FlexibilityNo cancel feeOn-time77%

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