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$581+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Round-trip from

$1,046
(United Airlines)

One-way from

$581
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,101
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. 5% potential increase in price ($68 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 May 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 mayo 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 5/287:00 amBKK - ORD
1 stop19h 55mUnited Airlines
dom. 8/318:50 amORD - BKK
2 stops27h 05mUnited Airlines
Deal found 4/30$1,046
This eDestinos deal was found by Cheapflights users on 4/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/3112:05 pmBKK - ORD
1 stop38h 20mCathay Pacific
jue. 8/74:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Deal found 4/30$1,053
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2712:25 pmBKK - ORD
1 stop20h 20mMultiple Airlines
sáb. 10/256:50 pmORD - BKK
2 stops28h 20mMultiple Airlines
Deal found 4/29$1,059
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/11:55 pmBKK - ORD
1 stop30h 45mANA
jue. 5/87:20 amORD - BKK
2 stops28h 35mANA
Deal found 4/29$1,063
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/101:35 amBKK - ORD
1 stop31h 10mEVA Air
vie. 10/2412:30 amORD - BKK
1 stop35h 10mEVA Air
Deal found 4/30$1,066
This Delta deal was found by Cheapflights users on 4/29. 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.
sáb. 6/149:50 amBKK - ORD
2 stops23h 45mDelta
lun. 7/2811:05 amORD - BKK
2 stops24h 20mDelta
Deal found 4/29$1,072
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/176:30 pmBKK - ORD
2 stops30h 15mSWISS
sáb. 5/247:05 pmORD - BKK
1 stop26h 40mSWISS
Deal found 4/30$1,103
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/165:30 pmBKK - ORD
1 stop39h 30mThai Airways
mié. 7/3012:30 amORD - BKK
1 stop33h 05mThai Airways
Deal found 4/29$1,126
This EaseMyTrip deal was found by Cheapflights users on 4/29. 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.
sáb. 9/2710:50 amBKK - STL
2 stops39h 49mMultiple Airlines
sáb. 10/252:55 pmSTL - BKK
2 stops30h 55mMultiple Airlines
Deal found 4/29$1,139
This hutchgo.com deal was found by Cheapflights users on 4/29. 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 hutchgo.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/1310:05 pmBKK - ORD
2 stops33h 24mJapan Airlines
jue. 6/191:30 amORD - BKK
1 stop25h 40mJapan Airlines
Deal found 4/29$1,154
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/82:40 amBKK - ORD
2 stops52h 30mChina Airlines
mar. 7/87:18 pmORD - BKK
2 stops26h 27mChina Airlines
Deal found 4/29$1,171
This Delta deal was found by Cheapflights users on 4/30. 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. 5/302:35 amBKK - MDW
2 stops30h 38mDelta
jue. 8/79:25 amMDW - BKK
2 stops26h 00mDelta
Deal found 4/30$1,178

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 mayo 1, 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

mié. 5/28

7:00 am-2:55 pm

1 stop19h 55m

Chicago O'Hare Intl

dom. 8/31

8:50 am-11:55 pm

2 stops27h 05m

$1,046

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

sáb. 5/31

12:05 pm-2:25 pm

1 stop38h 20m

Chicago O'Hare Intl

jue. 8/7

4:00 pm-11:50 pm

1 stop19h 50m

$1,053

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

sáb. 9/27

12:25 pm-8:45 pm

1 stop20h 20m

Chicago O'Hare Intl

sáb. 10/25

6:50 pm-11:10 am

2 stops28h 20m

$1,059

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

vie. 10/10

1:35 am-8:45 pm

1 stop31h 10m

Chicago O'Hare Intl

vie. 10/24

12:30 am-11:40 pm

1 stop35h 10m

$1,066

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

sáb. 6/14

11:30 pm-12:03 am

2 stops36h 33m

Chicago O'Hare Intl

vie. 8/1

6:00 am-11:25 pm

2 stops29h 25m

$1,072

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

jue. 5/29

12:50 pm-12:50 pm

1 stop36h 00m

Chicago O'Hare Intl

jue. 6/5

7:05 pm-8:00 pm

2 stops36h 55m

$1,098

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

lun. 6/16

5:30 pm-9:00 pm

1 stop39h 30m

Chicago O'Hare Intl

mié. 7/30

12:30 am-9:35 pm

1 stop33h 05m

$1,126

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

sáb. 9/27

10:50 am-2:39 pm

2 stops39h 49m

Lambert-St Louis

sáb. 10/25

2:55 pm-9:50 am

2 stops30h 55m

$1,139

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

vie. 6/13

10:05 pm-7:29 pm

2 stops33h 24m

Chicago O'Hare Intl

jue. 6/19

1:30 am-3:10 pm

1 stop25h 40m

$1,154

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

mié. 6/18

1:55 pm-3:20 pm

1 stop37h 25m

Chicago O'Hare Intl

jue. 7/31

5:45 pm-11:55 pm

1 stop42h 10m

$1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 58 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 mayo 1, 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 mayo 1, 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
1,186 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,068 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,464 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.3
Very good
852 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 Thai Airways. According to our data, you can fly for as low as $592. Users have also found prices from $596 and $619 on IndiGo and China Airlines, 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

Browse thousands of different options on Cheapflights for your next trip

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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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$859Average$1,044FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$913Average$1,042FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$915Average$1,171FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$939Average$1,042FlexibilityNo cancel feeOn-time69%
ANACheapest$942Average$1,070FlexibilityNo cancel feeOn-time80%
Thai AirwaysCheapest$994Average$1,155FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$1,004Average$1,145FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,009Average$1,109FlexibilityNo cancel feeOn-time74%

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