Illinois

$570+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
Dec 23 — Dec 301
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Cheap flight deals from Bangkok to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$968
(Ovago)

One-way from

$570
(Air Canada)
From Bangkok to Illinois
One-way flight from Bangkok to Illinois

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 December 18, 2024.

This Gotogate deal was found by Cheapflights users on 12/17. 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.
Mon 12/235:40 pmBKK - ORD
1 stop38h 55mThai Airways
Tue 2/411:30 pmORD - BKK
1 stop22h 05mThai Airways
Deal found 12/17$1,000
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:05 pmBKK - STL
2 stops30h 35mJapan Airlines
Tue 6/176:29 amSTL - BKK
2 stops35h 21mJapan Airlines
Deal found 12/17$1,004
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/307:10 amBKK - ORD
2 stops27h 20mUnited Airlines
Tue 2/118:45 amORD - BKK
2 stops26h 20mUnited Airlines
Deal found 12/16$1,052
This Gotogate deal was found by Cheapflights users on 12/17. 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.
Sun 12/2212:55 amBKK - ORD
2 stops43h 30mJapan Airlines
Tue 2/410:35 amORD - BKK
1 stop40h 45mJapan Airlines
Deal found 12/17$1,078
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/282:00 pmDMK - ORD
2 stops36h 00mMultiple Airlines
Thu 2/1311:00 amORD - DMK
1 stop22h 45mMultiple Airlines
Deal found 12/16$1,096
This Justfly.com deal was found by Cheapflights users on 12/16. 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.
Sun 12/292:15 amBKK - ORD
1 stop30h 20mEVA Air
Mon 2/1011:30 pmORD - BKK
1 stop23h 05mEVA Air
Deal found 12/16$1,109
This SmartFares deal was found by Cheapflights users on 12/17. 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 12/2310:45 pmBKK - ORD
2 stops33h 50mMultiple Airlines
Tue 2/411:30 pmORD - BKK
1 stop22h 40mMultiple Airlines
Deal found 12/17$1,110
This Cathay Pacific deal was found by Cheapflights users on 12/16. 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.
Sat 12/286:40 amBKK - ORD
1 stop19h 20mCathay Pacific
Fri 2/72:40 pmORD - BKK
1 stop20h 30mCathay Pacific
Deal found 12/16$1,154
This ANA deal was found by Cheapflights users on 12/16. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:50 pmBKK - ORD
1 stop21h 30mANA
Mon 2/104:25 pmORD - BKK
1 stop25h 10mANA
Deal found 12/16$1,155
This Delta deal was found by Cheapflights users on 12/17. 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 12/221:00 amBKK - ORD
2 stops28h 40mDelta
Tue 2/47:10 pmORD - BKK
2 stops40h 35mDelta
Deal found 12/17$1,191
This oojo deal was found by Cheapflights users on 12/17. 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.
Mon 12/2310:50 amDMK - ORD
1 stop39h 10mCathay Pacific
Tue 2/42:40 pmORD - DMK
1 stop38h 05mCathay Pacific
Deal found 12/17$1,215
This Delta deal was found by Cheapflights users on 12/16. 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 12/291:00 amBKK - MDW
2 stops28h 24mDelta
Sun 2/96:59 pmMDW - BKK
2 stops40h 46mDelta
Deal found 12/16$1,259

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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 1/26

12:55 am-7:31 pm

2 stops31h 36m

Chicago O'Hare Intl

Tue 1/28

10:35 am-4:20 pm

1 stop40h 45m

$968

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 1/27

9:30 pm-8:40 am

1 stop24h 10m

Chicago O'Hare Intl

Sun 2/9

11:25 am-1:15 pm

1 stop36h 50m

$969

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 3/20

7:35 am-2:39 pm

1 stop19h 04m

Chicago O'Hare Intl

Thu 3/27

7:20 am-5:15 am

2 stops33h 55m

$974

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 5/14

11:30 pm-11:53 pm

2 stops36h 23m

Chicago O'Hare Intl

Wed 10/15

7:59 pm-11:35 pm

2 stops39h 36m

$983

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 5/14

9:50 am-8:39 am

2 stops34h 49m

Chicago Midway

Wed 10/15

9:20 am-9:45 pm

2 stops24h 25m

$983

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 5/14

9:35 am-8:40 am

1 stop35h 05m

Chicago O'Hare Intl

Wed 10/15

7:15 am-4:35 am

3 stops33h 20m

$984

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 3/11

6:40 am-2:00 pm

1 stop19h 20m

Chicago O'Hare Intl

Tue 3/18

3:40 pm-12:10 am

1 stop20h 30m

$987

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 5/14

9:35 am-8:40 am

1 stop35h 05m

Chicago O'Hare Intl

Wed 10/15

5:45 pm-3:30 pm

1 stop33h 45m

$995

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Mon 3/17

10:50 am-2:00 pm

1 stop39h 10m

Chicago O'Hare Intl

Mon 3/24

3:40 pm-5:45 pm

1 stop38h 05m

$1,017

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 1/26

2:15 am-7:35 pm

1 stop30h 20m

Chicago O'Hare Intl

Tue 1/28

11:30 pm-11:35 am

1 stop23h 05m

$1,026

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 50 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.

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, September is the cheapest month in which you can book a flight from Bangkok to Illinois (average of $232). Flying from Bangkok to Illinois in June is currently the most expensive (average of $308). 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 December 18, 2024.

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 December 18, 2024.
Read through reviews of airlines operating flights from Bangkok to Illinois, such as Japan Airlines, Korean Air and Cathay Pacific. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,273 reviews
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,018 reviews
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
839 reviews
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.3
Very good
1,443 reviews
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.1
Very good
3,412 reviews
8.4
Very good
1,273 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.2

Food

8.0

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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 $570. Users have also found prices from $591 and $608 on Thai Airways and Delta, respectively.

  • What are the most popular routes from Bangkok to Illinois?

  • 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, September is the cheapest month in which you can book a flight from Bangkok to Illinois (average of $232). Flying from Bangkok to Illinois in June is currently the most expensive (average of $308). 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.

Top 7 airlines flying from Bangkok to Illinois

Discover the top 7 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$859Average$989FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$915Average$1,085FlexibilityNo cancel feeOn-time81%
ANACheapest$929Average$1,073FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$940Average$1,093FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$946Average$1,055FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$954Average$1,046FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$966Average$1,106FlexibilityNo cancel feeOn-time71%
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