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Illinois

$401+ Cheap flights from Thailand 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ORD
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Thailand to Illinois

Keep the following information in mind while searching for Thailand to Illinois flight deals. Data was last updated November 26, 2025.

Round-trip from

$819
(Orbitz)

One-way from

$401
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,120
From Thailand to Illinois
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One-way flight from Thailand to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Thailand to Illinois

Cheapest flights from Thailand to Illinois
Explore the most affordable flight options available from Thailand to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Jetabroad deal was found by Cheapflights users on 11/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:20 pmBKK - ORD
2 stops30h 09mMultiple Airlines
Fri 1/93:35 pmORD - BKK
2 stops31h 25mMultiple Airlines
Deal found 11/25$852
This EaseMyTrip deal was found by Cheapflights users on 11/25. 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.
Sun 12/710:10 amBKK - ORD
2 stops45h 15mIndiGo
Wed 1/148:20 pmORD - BKK
2 stops35h 45mIndiGo
Deal found 11/25$904
This EaseMyTrip deal was found by Cheapflights users on 11/24. 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.
Tue 12/1610:10 amBKK - ORD
2 stops45h 15mIndiGo
Tue 1/611:50 amORD - BKK
2 stops44h 15mIndiGo
Deal found 11/24$924
This EaseMyTrip deal was found by Cheapflights users on 11/25. 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.
Sun 12/1410:05 pmBKK - ORD
2 stops33h 20mIndiGo
Sun 1/118:20 pmORD - BKK
2 stops35h 45mIndiGo
Deal found 11/25$926
This EaseMyTrip deal was found by Cheapflights users on 11/26. 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.
Sun 12/2110:05 pmBKK - ORD
2 stops33h 20mIndiGo
Sat 3/1412:50 pmORD - BKK
2 stops44h 15mIndiGo
Deal found 11/26$943
This CheapOair deal was found by Cheapflights users on 11/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:10 amBKK - ORD
2 stops45h 15mIndiGo
Fri 1/911:50 amORD - BKK
2 stops44h 15mIndiGo
Deal found 11/26$959
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Tue 12/234:50 pmDMK - ORD
2 stops31h 40mMultiple Airlines
Fri 1/91:30 pmORD - DMK
1 stop24h 00mMultiple Airlines
Deal found 11/26$1,130
This Kiwi.com deal was found by Cheapflights users on 11/26. 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 12/204:50 pmDMK - ORD
2 stops31h 40mMultiple Airlines
Sun 1/111:30 pmORD - DMK
1 stop24h 00mMultiple Airlines
Deal found 11/26$1,144
This Kiwi.com deal was found by Cheapflights users on 11/26. 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 12/204:50 pmDMK - ORD
2 stops31h 40mMultiple Airlines
Mon 1/121:30 pmORD - DMK
1 stop24h 00mMultiple Airlines
Deal found 11/26$1,150
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Sun 12/214:50 pmDMK - ORD
2 stops31h 40mMultiple Airlines
Mon 1/121:30 pmORD - DMK
1 stop24h 00mMultiple Airlines
Deal found 11/26$1,160
This Delta deal was found by Cheapflights users on 11/25. 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.
Wed 12/2412:55 amBKK - MDW
2 stops34h 27mDelta
Fri 1/95:31 pmMDW - BKK
2 stops30h 54mDelta
Deal found 11/25$1,188
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/2210:00 pmDMK - ORD
2 stops27h 55mMultiple Airlines
Mon 1/121:30 pmORD - DMK
1 stop24h 00mMultiple Airlines
Deal found 11/26$1,190

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thailand 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 November 26, 2025.
Use the filters below to find and compare flights from Thailand to Illinois that are best for you.

Fly from

Thailand

Fly to

Illinois

Route

Depart

Return

Price

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 1/27

1:20 pm-2:38 pm

2 stops38h 18m

Chicago O'Hare Intl

Thu 3/5

1:10 pm-11:20 pm

1 stop21h 10m

$909

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Sun 1/25

1:40 pm-11:30 am

2 stops34h 50m

Chicago O'Hare Intl

Wed 2/11

1:30 pm-2:30 am

1 stop24h 00m

$964

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 1/26

2:05 am-8:40 am

1 stop19h 35m

Chicago O'Hare Intl

Thu 3/5

11:25 am-1:25 pm

1 stop37h 00m

$969

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 1/27

12:55 am-8:40 am

1 stop20h 45m

Chicago O'Hare Intl

Sun 2/8

11:25 am-11:20 pm

1 stop22h 55m

$969

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 2/11

9:40 am-8:40 am

1 stop36h 00m

Chicago O'Hare Intl

Wed 2/25

11:25 am-12:45 am

1 stop24h 20m

$970

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Thu 1/29

4:50 pm-11:30 am

2 stops31h 40m

Chicago O'Hare Intl

Wed 2/11

1:30 pm-2:30 am

1 stop24h 00m

$972

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 12/14

11:15 pm-8:30 am

1 stop22h 15m

Chicago O'Hare Intl

Sun 1/11

11:25 am-12:55 am

1 stop24h 30m

$972

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Sun 1/25

1:40 pm-11:30 am

2 stops34h 50m

Chicago O'Hare Intl

Mon 2/9

1:30 pm-2:30 am

1 stop24h 00m

$986

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Thu 1/29

4:50 pm-11:30 am

2 stops31h 40m

Chicago O'Hare Intl

Sun 2/8

1:30 pm-2:30 am

1 stop24h 00m

$987

BangkokChicago

DMK - ORD

DMKORD

Bangkok Don Mueang Intl

Sat 1/31

4:50 pm-11:30 am

2 stops31h 40m

Chicago O'Hare Intl

Wed 2/11

1:30 pm-2:30 am

1 stop24h 00m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 60 results
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Best time to book a flight from Thailand to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Thailand 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 Thailand to Illinois

What is the cheapest month to book a flight from Thailand to Illinois?

Currently, December is the cheapest month in which you can book a flight from Thailand to Illinois (average of $786). Flying from Thailand to Illinois in January is currently the most expensive (average of $1,252). 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 TH to IL?

Find hourly flight availability from Thailand 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 November 26, 2025.

One of the essential ways to save on airfare from Thailand to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 64% on airfare.

What is the cheapest day to fly from Thailand to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Thailand to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Thailand to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 26, 2025.
Read through reviews of airlines operating flights from Thailand to Illinois, such as EVA Air, Korean Air, and ANA. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,283 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,283 reviews
EVA Air
8.4
Very good
1,283 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Korean Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,283 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
ANA
8.4
Very good
1,010 reviews
EVA Air
8.4
Very good
1,283 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Japan Airlines
8.3
Very good
1,630 reviews
EVA Air
8.4
Very good
1,283 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Thai Airways
7.8
Good
362 reviews
EVA Air
8.4
Very good
1,283 reviews

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Related info for your journey

Find useful and relevant information for your journey from Thailand to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Thailand to Illinois?

    Departing from Thailand to Illinois will take you 19h 35m. Airlines will cover a distance of 8545 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Thailand to Illinois that include hotel bookings?

    Yes. In addition to deals on Thailand to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Illinois.

  • Can I find deals for business class flights from Thailand to Illinois?

    Yes. Cheapflights offers flight deals from Thailand 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 Thailand to Illinois?

    Currently, December is the cheapest month in which you can book a flight from Thailand to Illinois (average of $786). Flying from Thailand to Illinois in January is currently the most expensive (average of $1,252). 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 Thailand to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Thailand to Illinois

Discover the top 7 airlines that operate flights from Thailand 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$681Average$991FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$902Average$1,040FlexibilityNo cancel feeOn-time81%
ANACheapest$983Average$1,114FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$987Average$1,109FlexibilityNo cancel feeOn-time69%
Thai AirwaysCheapest$994Average$1,151FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,007Average$1,167FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,036Average$1,069FlexibilityNo cancel feeOn-time72%

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