HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$593+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bangkok to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Round-trip from

$1,049
(Cathay Pacific)

One-way from

$593
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$1,137
From Bangkok to Illinois
Search Deals
One-way flight from Bangkok to Illinois
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Cathay Pacific deal was found by Cheapflights users on 2/18. 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 3/266:40 amBKK - ORD
1 stop19h 20mCathay Pacific
Thu 4/244:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Deal found 2/18$1,049
This Gotogate deal was found by Cheapflights users on 2/19. 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.
Thu 3/66:30 pmDMK - ORD
1 stop31h 30mCathay Pacific
Tue 3/183:40 pmORD - DMK
1 stop38h 05mCathay Pacific
Deal found 2/19$1,049
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 5/107:00 amBKK - ORD
2 stops26h 19mUnited Airlines
Wed 8/138:45 amORD - BKK
2 stops27h 10mUnited Airlines
Deal found 2/19$1,050
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Thu 3/63:30 pmDMK - ORD
3 stops44h 36mMultiple Airlines
Tue 3/182:10 pmORD - DMK
2 stops25h 55mMultiple Airlines
Deal found 2/19$1,050
This SWISS deal was found by Cheapflights users on 2/19. 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.
Tue 3/113:40 pmBKK - ORD
2 stops37h 35mSWISS
Tue 3/188:05 pmORD - BKK
1 stop26h 35mSWISS
Deal found 2/19$1,051
This Trip.com deal was found by Cheapflights users on 2/19. 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.
Thu 3/612:45 pmBKK - ORD
1 stop19h 50mEVA Air
Mon 3/1712:30 amORD - BKK
1 stop22h 40mEVA Air
Deal found 2/19$1,055
This Trip.com deal was found by Cheapflights users on 2/20. 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.
Thu 10/27:00 amBKK - ORD
1 stop19h 55mANA
Thu 10/235:45 pmORD - BKK
1 stop33h 45mANA
Deal found 2/20$1,057
This Expedia deal was found by Cheapflights users on 2/18. 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.
Sun 11/25:10 pmBKK - ORD
1 stop39h 25mMultiple Airlines
Sat 11/156:50 pmORD - BKK
2 stops27h 20mMultiple Airlines
Deal found 2/18$1,058
This Delta deal was found by Cheapflights users on 2/18. 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 6/159:50 amBKK - ORD
2 stops25h 54mDelta
Sat 7/269:30 amORD - BKK
2 stops25h 55mDelta
Deal found 2/18$1,069
This Delta deal was found by Cheapflights users on 2/18. 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 11/211:15 pmBKK - MDW
2 stops32h 13mDelta
Sat 11/156:45 pmMDW - BKK
2 stops39h 35mDelta
Deal found 2/18$1,069
This Gotogate deal was found by Cheapflights users on 2/20. 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 3/81:35 amBKK - ORD
2 stops43h 05mEthiopian Air
Sun 3/2310:15 amORD - BKK
1 stop38h 15mEthiopian Air
Deal found 2/20$1,072
This Korean Air deal was found by Cheapflights users on 2/18. 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.
Mon 6/1611:30 pmBKK - ORD
1 stop22h 10mKorean Air
Sun 7/2712:30 pmORD - BKK
1 stop22h 55mKorean Air
Deal found 2/18$1,094

Find flights from Bangkok to Illinois within your budget

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 February 20, 2025.

Fly from

Bangkok

Fly to

Illinois

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 3/26

6:40 am-2:00 pm

1 stop19h 20m

Chicago O'Hare Intl

Thu 4/24

4:00 pm-11:50 pm

1 stop19h 50m

$1,049

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Thu 3/6

6:30 pm-1:00 pm

1 stop31h 30m

Chicago O'Hare Intl

Tue 3/18

3:40 pm-5:45 pm

1 stop38h 05m

$1,049

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 5/10

7:00 am-9:19 pm

2 stops26h 19m

Chicago O'Hare Intl

Wed 8/13

8:45 am-11:55 pm

2 stops27h 10m

$1,050

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Thu 3/6

3:30 pm-11:06 pm

3 stops44h 36m

Chicago O'Hare Intl

Tue 3/18

2:10 pm-4:05 am

2 stops25h 55m

$1,050

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 3/11

3:40 pm-5:15 pm

2 stops37h 35m

Chicago O'Hare Intl

Tue 3/18

8:05 pm-10:40 am

1 stop26h 35m

$1,051

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 3/6

12:45 pm-7:35 pm

1 stop19h 50m

Chicago O'Hare Intl

Mon 3/17

12:30 am-11:10 am

1 stop22h 40m

$1,055

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 3/5

1:00 am-8:40 am

1 stop20h 40m

Chicago O'Hare Intl

Tue 3/18

12:25 pm-1:15 pm

1 stop36h 50m

$1,058

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 3/9

1:40 pm-3:45 am

2 stops27h 05m

Chicago O'Hare Intl

Sun 3/23

12:29 pm-12:20 pm

2 stops35h 51m

$1,068

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 6/15

9:50 am-11:44 pm

2 stops25h 54m

Chicago O'Hare Intl

Sat 7/26

9:30 am-11:25 pm

2 stops25h 55m

$1,069

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 5/15

1:55 pm-8:40 am

1 stop30h 45m

Chicago O'Hare Intl

Fri 8/15

5:45 pm-4:35 am

1 stop22h 50m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 56 results
1
2
3
...
6

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.

Travel insights for flights from Bangkok to Illinois

Get recent, data-driven insights about flights from Bangkok to Illinois including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
Read through reviews of airlines operating flights from Bangkok to Illinois, such as EVA Air, Korean Air and ANA. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,200 reviews

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.0

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.0

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Korean Air
8.4
Very good
1,037 reviews
EVA Air
8.4
Very good
1,200 reviews

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.0

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

ANA
8.4
Very good
842 reviews
EVA Air
8.4
Very good
1,200 reviews

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.0

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,200 reviews

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.0

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Emirates
8.1
Very good
3,276 reviews
EVA Air
8.4
Very good
1,200 reviews

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.0

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 $593. Users have also found prices from $629 and $637 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 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

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.
Suvarnabhumi to John F Kennedy Intl flights
Suvarnabhumi to Hobby flights
Suvarnabhumi to Los Angeles flights
Suvarnabhumi to O'Hare Intl flights
Suvarnabhumi to San Francisco flights
Suvarnabhumi to Newark flights
Suvarnabhumi to Seattle flights
Suvarnabhumi to Orlando flights
Suvarnabhumi to Boston flights
Suvarnabhumi to LaGuardia flights
Suvarnabhumi to Dulles Intl flights
Suvarnabhumi to George Bush Intcntl flights
Suvarnabhumi to Honolulu flights
Suvarnabhumi to Ontario flights
Suvarnabhumi to Las Vegas flights
Suvarnabhumi to Dallas/Fort Worth flights
Suvarnabhumi to Detroit flights
Suvarnabhumi to Midway flights
Suvarnabhumi to Reagan-National flights
Don Mueang Intl to John F Kennedy Intl flights
Suvarnabhumi to Denver flights
Chiang Mai to Dallas/Fort Worth flights
Suvarnabhumi to Atlanta flights
Suvarnabhumi to Minneapolis flights
Suvarnabhumi to Baltimore flights
Suvarnabhumi to Tampa flights
Suvarnabhumi to Omaha flights
Suvarnabhumi to Miami flights
Suvarnabhumi to Sky Harbor Intl flights
Don Mueang Intl to O'Hare Intl flights
Suvarnabhumi to Love Field flights
Chiang Mai to John F Kennedy Intl flights
Don Mueang Intl to San Francisco flights
Don Mueang Intl to Los Angeles flights
Suvarnabhumi to Cleveland flights
Suvarnabhumi to Sacramento flights
Suvarnabhumi to San Jose flights
Chiang Mai to Los Angeles flights
Suvarnabhumi to Portland flights
Suvarnabhumi to Philadelphia flights
Suvarnabhumi to San Diego flights
Suvarnabhumi to Salt Lake City flights
Chiang Mai to San Francisco flights
Chiang Mai to Seattle flights
Suvarnabhumi to Nashville flights
Suvarnabhumi to Charlotte flights
Suvarnabhumi to Grand Rapids flights
Suvarnabhumi to New Orleans flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$859Average$995FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$905Average$1,082FlexibilityNo cancel feeOn-time81%
ANACheapest$926Average$1,067FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$939Average$1,029FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$939Average$1,047FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$940Average$1,094FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$956Average$1,120FlexibilityNo cancel feeOn-time71%
Thai AirwaysCheapest$994Average$1,149FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.