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Illinois

$574+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Round-trip from

$1,035
(FlightHub)

One-way from

$574
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,123
From Bangkok to Illinois
Search Deals
One-way flight from Bangkok to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($57 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 1, 2025.

This FlightHub deal was found by Cheapflights users on 3/31. 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.
Tue 4/17:00 pmBKK - ORD
1 stop31h 25mCathay Pacific
Sat 4/264:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Deal found 3/31$1,032
This Cathay Pacific deal was found by Cheapflights users on 3/31. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:30 pmBKK - ORD
2 stops29h 55mMultiple Airlines
Sat 4/264:00 pmORD - BKK
1 stop19h 50mMultiple Airlines
Deal found 3/31$1,044
This Justfly.com deal was found by Cheapflights users on 3/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:00 amBKK - ORD
1 stop19h 55mANA
Thu 5/15:45 pmORD - BKK
1 stop22h 50mANA
Deal found 3/31$1,056
This SWISS deal was found by Cheapflights users on 3/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/143:30 pmBKK - ORD
2 stops33h 15mSWISS
Mon 4/216:35 pmORD - BKK
1 stop27h 10mSWISS
Deal found 3/31$1,057
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 5/302:35 amBKK - ORD
2 stops33h 24mDelta
Thu 8/78:55 amORD - BKK
2 stops26h 30mDelta
Deal found 3/31$1,065
This EaseMyTrip deal was found by Cheapflights users on 4/1. 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.
Sat 5/245:30 pmBKK - STL
2 stops32h 37mMultiple Airlines
Mon 8/117:32 pmSTL - BKK
2 stops28h 38mMultiple Airlines
Deal found 4/1$1,070
This Delta deal was found by Cheapflights users on 3/31. 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.
Thu 4/39:40 pmBKK - MDW
2 stops36h 41mDelta
Tue 4/2912:48 pmMDW - BKK
2 stops46h 52mDelta
Deal found 3/31$1,089
This StudentUniverse deal was found by Cheapflights users on 3/31. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/38:25 amBKK - ORD
1 stop24h 35mThai Airways
Sun 7/612:30 amORD - BKK
1 stop28h 20mThai Airways
Deal found 3/31$1,111
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/211:30 pmBKK - ORD
1 stop22h 00mKorean Air
Thu 9/1812:10 pmORD - BKK
1 stop23h 15mKorean Air
Deal found 3/31$1,118
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/88:00 amDMK - ORD
3 stops34h 42mMultiple Airlines
Thu 7/2412:00 pmORD - DMK
1 stop22h 50mMultiple Airlines
Deal found 3/30$1,118
This Gotogate deal was found by Cheapflights users on 3/30. 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.
Sat 7/54:45 pmBKK - ORD
1 stop40h 25mEVA Air
Mon 7/2112:30 amORD - BKK
1 stop35h 00mEVA Air
Deal found 3/30$1,123
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:00 amBKK - ORD
2 stops22h 00mUnited Airlines
Mon 4/287:00 amORD - BKK
2 stops33h 35mUnited Airlines
Deal found 3/31$1,128

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 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

Mon 4/14

5:30 pm-2:25 pm

1 stop32h 55m

Chicago O'Hare Intl

Thu 4/17

4:00 pm-11:50 pm

1 stop19h 50m

$1,035

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 4/14

3:30 pm-12:45 pm

2 stops33h 15m

Chicago O'Hare Intl

Mon 4/21

6:35 pm-9:45 am

1 stop27h 10m

$1,057

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 5/30

2:35 am-11:59 pm

2 stops33h 24m

Chicago O'Hare Intl

Thu 8/7

8:55 am-11:25 pm

2 stops26h 30m

$1,065

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 5/24

5:30 pm-2:07 pm

2 stops32h 37m

Lambert-St Louis

Mon 8/11

7:32 pm-12:10 pm

2 stops28h 38m

$1,070

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 4/14

6:45 pm-5:45 am

3 stops47h 00m

Chicago O'Hare Intl

Thu 4/17

12:00 pm-4:45 am

2 stops28h 45m

$1,077

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 6/3

8:25 am-9:00 pm

1 stop24h 35m

Chicago O'Hare Intl

Sun 7/6

12:30 am-4:50 pm

1 stop28h 20m

$1,111

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 9/2

9:45 am-11:57 pm

2 stops26h 12m

Chicago O'Hare Intl

Wed 9/17

1:05 am-3:10 pm

1 stop26h 05m

$1,116

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 9/2

11:30 pm-9:30 am

1 stop22h 00m

Chicago O'Hare Intl

Thu 9/18

12:10 pm-11:25 pm

1 stop23h 15m

$1,118

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Sun 6/8

8:00 am-6:42 am

3 stops34h 42m

Chicago O'Hare Intl

Thu 7/24

12:00 pm-10:50 pm

1 stop22h 50m

$1,118

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 7/5

4:45 pm-9:10 pm

1 stop40h 25m

Chicago O'Hare Intl

Mon 7/21

12:30 am-11:30 pm

1 stop35h 00m

$1,123

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 $323). 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 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 April 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
1,170 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,051 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
831 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,286 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $589. Users have also found prices from $612 and $614 on Philippine Airlines 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 $323). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$859Average$1,041FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$913Average$1,024FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$915Average$1,171FlexibilityNo cancel feeOn-time81%
ANACheapest$926Average$1,068FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$939Average$1,050FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$940Average$1,106FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$956Average$1,120FlexibilityNo cancel feeOn-time71%
Thai AirwaysCheapest$994Average$1,155FlexibilityNo cancel feeOn-time77%
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