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Illinois

$573+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Round-trip from

$1,029
(American Airlines)

One-way from

$573
(CheapOair)

Popular in

January

Cheapest in

September

Average price

$1,127
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. 6% potential increase in price ($71 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 April 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 April 22, 2025.

This American Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 9/158:05 amBKK - STL
2 stops38h 14mAmerican Airlines
Mon 9/297:00 amSTL - BKK
2 stops58h 50mAmerican Airlines
Deal found 4/21$1,029
This oojo deal was found by Cheapflights users on 4/22. 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 9/101:35 amBKK - ORD
1 stop31h 10mEVA Air
Thu 10/3012:30 amORD - BKK
1 stop24h 05mEVA Air
Deal found 4/22$1,048
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/47:00 amBKK - ORD
2 stops24h 39mUnited Airlines
Wed 7/305:45 pmORD - BKK
1 stop22h 50mUnited Airlines
Deal found 4/22$1,050
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Wed 5/71:30 pmBKK - ORD
2 stops36h 50mMultiple Airlines
Wed 10/228:55 amORD - BKK
2 stops26h 30mMultiple Airlines
Deal found 4/22$1,051
This eDestinos deal was found by Cheapflights users on 4/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3112:05 pmBKK - ORD
1 stop38h 20mCathay Pacific
Thu 8/74:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Deal found 4/22$1,057
This FlightHub deal was found by Cheapflights users on 4/22. 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 4/309:45 amBKK - ORD
2 stops26h 14mJapan Airlines
Wed 10/1512:10 pmORD - BKK
1 stop22h 50mJapan Airlines
Deal found 4/22$1,059
This oojo deal was found by Cheapflights users on 4/22. 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.
Sat 5/32:40 amBKK - ORD
2 stops39h 25mChina Airlines
Wed 7/307:18 pmORD - BKK
2 stops28h 52mChina Airlines
Deal found 4/22$1,066
This Air Canada deal was found by Cheapflights users on 4/21. 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.
Sun 11/168:35 amBKK - ORD
2 stops45h 15mAir Canada
Mon 11/243:40 pmORD - BKK
2 stops43h 25mAir Canada
Deal found 4/21$1,080
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Wed 7/96:40 amDMK - ORD
2 stops26h 30mMultiple Airlines
Tue 7/1512:30 amORD - DMK
2 stops34h 15mMultiple Airlines
Deal found 4/22$1,080
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 5/302:35 amBKK - ORD
2 stops32h 42mDelta
Thu 8/76:00 amORD - BKK
2 stops27h 45mDelta
Deal found 4/22$1,084
This KAYAK deal was found by Cheapflights users on 4/21. 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.
Thu 4/247:00 amBKK - ORD
2 stops24h 39mANA
Sun 4/275:45 pmORD - BKK
1 stop22h 50mANA
Deal found 4/21$1,087
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:50 pmBKK - ORD
1 stop35h 55mSWISS
Tue 5/277:05 pmORD - BKK
1 stop26h 40mSWISS
Deal found 4/22$1,089

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 April 22, 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

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 9/15

8:05 am-10:19 am

2 stops38h 14m

Lambert-St Louis

Mon 9/29

7:00 am-5:50 am

2 stops58h 50m

$1,029

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 9/10

1:35 am-8:45 pm

1 stop31h 10m

Chicago O'Hare Intl

Thu 10/30

12:30 am-12:35 pm

1 stop24h 05m

$1,048

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 5/4

7:00 am-7:39 pm

2 stops24h 39m

Chicago O'Hare Intl

Wed 7/30

5:45 pm-4:35 am

1 stop22h 50m

$1,050

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 5/7

1:30 pm-2:20 pm

2 stops36h 50m

Chicago O'Hare Intl

Wed 10/22

8:55 am-11:25 pm

2 stops26h 30m

$1,051

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 5/31

12:05 pm-2:25 pm

1 stop38h 20m

Chicago O'Hare Intl

Thu 8/7

4:00 pm-11:50 pm

1 stop19h 50m

$1,057

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 7/9

8:05 am-4:00 pm

1 stop19h 55m

Chicago O'Hare Intl

Mon 7/14

1:30 am-11:00 pm

1 stop33h 30m

$1,061

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 5/3

2:40 am-6:05 am

2 stops39h 25m

Chicago O'Hare Intl

Wed 7/30

7:18 pm-12:10 pm

2 stops28h 52m

$1,066

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Wed 7/9

6:40 am-9:10 pm

2 stops26h 30m

Chicago O'Hare Intl

Tue 7/15

12:30 am-10:45 pm

2 stops34h 15m

$1,080

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 5/30

2:35 am-11:17 pm

2 stops32h 42m

Chicago O'Hare Intl

Thu 8/7

6:00 am-9:45 pm

2 stops27h 45m

$1,084

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 5/20

12:50 pm-12:45 pm

1 stop35h 55m

Chicago O'Hare Intl

Tue 5/27

7:05 pm-9:45 am

1 stop26h 40m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 60 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.

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

Find hourly flight availability from Bangkok 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 April 22, 2025.

When flying from Bangkok 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 April 22, 2025.
Read through reviews of airlines operating flights from Bangkok to Illinois, such as EVA Air, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,450 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
ANA
8.3
Very good
847 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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 $573. Users have also found prices from $589 and $592 on IndiGo and Thai Airways, 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 Don Mueang Intl - Chicago O'Hare Intl 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$859Average$1,043FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$913Average$1,042FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$915Average$1,165FlexibilityNo cancel feeOn-time81%
ANACheapest$942Average$1,071FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$946Average$1,043FlexibilityNo cancel feeOn-time69%
Thai AirwaysCheapest$994Average$1,155FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$1,004Average$1,145FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,009Average$1,108FlexibilityNo cancel feeOn-time74%

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