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$400+ Cheap flights from Chicago (CHI) to Thailand

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Chicago to Thailand

Cheapest flights from Chicago to Thailand
Explore the most affordable flight options available from Chicago to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. 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.
Sun 12/281:30 pmORD - BKK
1 stop35h 40mAir India
Sun 1/253:10 pmBKK - ORD
2 stops33h 20mAir India
Deal found 12/11$1,017
This Ovago deal was found by Cheapflights users on 12/10. 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.
Wed 12/312:35 pmORD - CNX
1 stop30h 15mCathay Pacific
Mon 2/167:40 pmCNX - ORD
1 stop30h 15mCathay Pacific
Deal found 12/10$1,081
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1510:38 amORD - BKK
2 stops35h 47mUnited Airlines
Wed 12/319:10 amBKK - ORD
3 stops33h 48mUnited Airlines
Deal found 12/10$1,083
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Mon 12/2911:30 pmORD - BKK
1 stop35h 10mEVA Air
Wed 1/2812:45 pmBKK - ORD
1 stop19h 50mEVA Air
Deal found 12/11$1,087
This Ovago deal was found by Cheapflights users on 12/11. 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.
Sun 12/282:35 pmORD - BKK
1 stop31h 05mCathay Pacific
Sun 1/257:15 pmBKK - ORD
1 stop30h 40mCathay Pacific
Deal found 12/11$1,114
This Ovago deal was found by Cheapflights users on 12/11. 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.
Sun 12/282:35 pmORD - BKK
1 stop31h 05mCathay Pacific
Thu 2/197:55 amBKK - ORD
1 stop18h 00mCathay Pacific
Deal found 12/11$1,118
This oojo deal was found by Cheapflights users on 12/10. 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.
Tue 12/3011:30 pmORD - BKK
1 stop22h 15mEVA Air
Wed 1/145:15 pmBKK - ORD
2 stops34h 23mEVA Air
Deal found 12/10$1,129
This Ovago deal was found by Cheapflights users on 12/11. 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.
Mon 12/151:10 pmORD - BKK
1 stop28h 20mANA
Wed 12/1710:25 pmBKK - ORD
1 stop21h 55mANA
Deal found 12/11$1,148
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Wed 12/3111:30 pmORD - CNX
1 stop22h 05mEVA Air
Mon 2/169:40 pmCNX - ORD
2 stops34h 55mEVA Air
Deal found 12/10$1,152
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/157:10 amORD - BKK
2 stops33h 00mUnited Airlines
Mon 1/199:10 amBKK - ORD
1 stop35h 10mUnited Airlines
Deal found 12/11$1,160
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Mon 12/151:10 pmORD - BKK
1 stop28h 20mANA
Wed 1/219:10 amBKK - ORD
1 stop35h 10mANA
Deal found 12/11$1,165
This FlightHub deal was found by Cheapflights users on 12/10. 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 12/304:25 pmORD - BKK
1 stop34h 55mANA
Wed 1/147:10 amBKK - ORD
1 stop19h 40mANA
Deal found 12/10$1,168

Find flight deals from Chicago to Thailand

Keep the following information in mind while searching for Chicago to Thailand flight deals. Data was last updated December 12, 2025.

Round-trip from

$621
(oojo)

One-way from

$400
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$1,356
From Chicago (CHI) to Thailand
Search Deals
One-way flight from Chicago (CHI) to Thailand
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Thailand 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 12, 2025.
Use the filters below to find and compare flights from Chicago to Thailand that are best for you.

Fly from

Chicago

Fly to

Thailand

Route

Depart

Return

Price

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Sun 3/1

1:30 pm-8:05 am

1 stop29h 35m

Phuket City

Sun 3/8

8:30 pm-12:30 pm

1 stop28h 00m

$708

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Sun 1/25

1:30 pm-8:05 am

1 stop29h 35m

Phuket City

Sun 2/1

8:30 pm-11:30 am

1 stop28h 00m

$743

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Mon 2/23

1:30 pm-7:30 pm

1 stop41h 00m

Phuket City

Sat 2/28

9:10 am-11:30 am

2 stops39h 20m

$754

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Wed 1/21

1:30 pm-7:30 pm

1 stop41h 00m

Phuket City

Tue 1/27

8:30 pm-11:30 am

1 stop28h 00m

$779

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 1/28

10:41 am-5:10 am

2 stops29h 29m

Bangkok Suvarnabhumi

Wed 2/11

4:55 pm-6:17 am

2 stops26h 22m

$822

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 2/19

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Thu 2/26

11:50 am-7:35 pm

1 stop20h 45m

$822

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 3/1

8:20 pm-5:10 am

2 stops43h 50m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-10:07 am

3 stops29h 12m

$827

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/7

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Thu 4/30

9:35 am-12:59 am

2 stops27h 24m

$830

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 1/26

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Wed 2/4

7:40 pm-12:55 pm

1 stop30h 15m

$835

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 1/21

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Wed 2/4

5:05 pm-7:20 am

2 stops27h 15m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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

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

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Thailand (average of $642). Flying from Chicago to Thailand in June is currently the most expensive (average of $894). 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 CHI to TH?

Find hourly flight availability from Chicago to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Chicago to Thailand by exploring options for tickets at noon.

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

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

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

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with EVA Air, ANA, and Korean Air from Chicago to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,296 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
ANA
8.4
Very good
1,021 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Korean Air
8.4
Very good
1,184 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,095 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
United Airlines
7.4
Good
9,093 reviews
EVA Air
8.5
Very good
1,296 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Thailand. 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 Chicago to Thailand?

    Air India, United Airlines, and EVA Air can get you from Chicago to Thailand in just under 22h 05m. Your travel time can differ by up to 7h 30m. There are 8211 mi between Chicago and Thailand. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Chicago to Thailand one-way?

    For one-way options, check prices for Air India. According to our data, you can fly for as low as $308. Users have also found prices from $345 and $361 on Turkish Airlines and Cathay Pacific, respectively.

  • What are the most popular routes from Chicago to Thailand?

    While some choose either Chicago Midway - Bangkok Suvarnabhumi or Chicago O'Hare Intl - Bangkok Don Mueang Intl, Chicago O'Hare Intl - Bangkok Suvarnabhumi is the most popular route from Chicago to Thailand.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Chicago to Thailand (average of $642). Flying from Chicago to Thailand in June is currently the most expensive (average of $894). 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 Chicago to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Chicago to Thailand

Discover the top 10 airlines that operate flights from Chicago to Thailand. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$606Average$917FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$671Average$1,060FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$864FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$1,078FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$708Average$891FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$721Average$972FlexibilityNo cancel feeOn-time77%
DeltaCheapest$745Average$1,209FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$779Average$1,198FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$825Average$977FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$832Average$1,128FlexibilityNo cancel feeOn-time75%

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