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$393+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Chicago to Thailand

Keep the following information in mind while searching for Chicago to Thailand flight deals. Data was last updated January 6, 2026.

Round-trip from

$718
(IEagle)

One-way from

$393
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$931
From Chicago (CHI) to Thailand
Search Deals
One-way flight from Chicago (CHI) to Thailand
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Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 6, 2026.

This oojo deal was found by Cheapflights users on 1/4. 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 11/21:10 pmORD - HKT
1 stop29h 10mAir India
Sat 11/78:45 pmHKT - ORD
2 stops27h 25mAir India
Deal found 1/4$666
This oojo deal was found by Cheapflights users on 1/5. 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 9/61:10 pmORD - HKT
1 stop30h 10mAir India
Sun 9/208:20 amHKT - ORD
2 stops38h 50mAir India
Deal found 1/5$667
This oojo deal was found by Cheapflights users on 1/5. 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.
Fri 10/91:10 pmORD - HKT
1 stop30h 10mAir India
Sun 10/258:20 amHKT - ORD
2 stops38h 50mAir India
Deal found 1/5$673
This Trip.com deal was found by Cheapflights users on 1/4. 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.
Mon 4/271:10 pmORD - HKT
1 stop30h 10mAir India
Sun 5/38:45 pmHKT - ORD
2 stops26h 25mAir India
Deal found 1/4$688
This Justfly.com deal was found by Cheapflights users on 1/4. 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.
Mon 9/71:10 pmORD - HKT
1 stop42h 35mAir India
Sun 9/138:45 pmHKT - ORD
2 stops26h 25mAir India
Deal found 1/4$708
This Justfly.com deal was found by Cheapflights users on 1/4. 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.
Mon 9/71:10 pmORD - HKT
1 stop42h 35mAir India
Sat 9/128:20 amHKT - ORD
2 stops38h 50mAir India
Deal found 1/4$712
This Justfly.com deal was found by Cheapflights users on 1/4. 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 9/61:10 pmORD - HKT
1 stop30h 10mAir India
Sat 9/128:45 pmHKT - ORD
2 stops26h 25mAir India
Deal found 1/4$717
This KAYAK deal was found by Cheapflights users on 1/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/91:30 pmORD - HKT
1 stop41h 00mAir India
Thu 2/199:10 amHKT - ORD
2 stops39h 20mAir India
Deal found 1/5$759
This oojo deal was found by Cheapflights users on 1/4. 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 7/61:10 pmORD - HKT
1 stop42h 35mAir India
Thu 7/168:20 amHKT - ORD
2 stops38h 50mAir India
Deal found 1/4$777
This KAYAK deal was found by Cheapflights users on 1/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:10 pmORD - HKT
1 stop30h 10mAir India
Sun 9/138:45 pmHKT - ORD
2 stops26h 25mAir India
Deal found 1/4$795
This oojo deal was found by Cheapflights users on 1/5. 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 3/152:30 pmORD - HKT
1 stop41h 00mAir India
Sat 3/219:10 amHKT - ORD
2 stops39h 20mAir India
Deal found 1/5$798
This FlightHub deal was found by Cheapflights users on 1/6. 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 1/2611:30 pmORD - BKK
1 stop24h 05mEVA Air
Wed 1/284:05 pmBKK - ORD
1 stop40h 30mEVA Air
Deal found 1/6$800

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 January 6, 2026.
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

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/7

4:00 pm-9:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Mon 5/18

9:35 am-8:40 am

1 stop35h 05m

$802

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 1/25

7:59 pm-9:30 pm

2 stops36h 31m

Bangkok Suvarnabhumi

Tue 2/3

2:05 am-11:56 pm

2 stops34h 51m

$807

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 1/19

7:59 pm-12:45 am

2 stops39h 46m

Bangkok Suvarnabhumi

Tue 1/27

12:55 am-9:05 pm

2 stops33h 10m

$807

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 2/4

5:30 am-12:45 am

2 stops30h 15m

Bangkok Suvarnabhumi

Tue 3/10

2:05 am-11:51 pm

2 stops33h 46m

$807

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 1/27

6:00 am-12:55 am

2 stops29h 55m

Bangkok Suvarnabhumi

Wed 3/11

12:55 am-12:29 pm

2 stops23h 34m

$807

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 2/24

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Mon 3/9

9:40 am-10:31 pm

2 stops24h 51m

$807

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 1/26

6:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Mon 3/9

9:40 am-10:31 pm

2 stops24h 51m

$807

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/27

1:10 pm-11:25 pm

1 stop21h 15m

Bangkok Suvarnabhumi

Mon 3/9

5:40 pm-8:35 am

2 stops50h 55m

$815

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 1/20

2:40 pm-11:25 am

2 stops31h 45m

Bangkok Suvarnabhumi

Thu 2/5

4:55 pm-5:15 am

2 stops25h 20m

$823

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 1/21

1:10 pm-11:25 pm

1 stop21h 15m

Bangkok Suvarnabhumi

Wed 1/28

7:35 pm-7:35 am

2 stops49h 00m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

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 $883). 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 January 6, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% on flights from Chicago to Thailand by exploring options for tickets in the morning.

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 March 30, 2025.

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 January 6, 2026.
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
8.4
Very good
1,313 reviews

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.4
Very good
1,313 reviews
EVA Air
8.4
Very good
1,313 reviews

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
ANA
8.4
Very good
1,060 reviews
EVA Air
8.4
Very good
1,313 reviews

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Korean Air
8.4
Very good
1,188 reviews
EVA Air
8.4
Very good
1,313 reviews

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Cathay Pacific
7.6
Good
1,121 reviews
EVA Air
8.4
Very good
1,313 reviews

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
United Airlines
7.4
Good
9,134 reviews
EVA Air
8.4
Very good
1,313 reviews

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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?

    United Airlines, Delta, and Etihad Airways can get you from Chicago to Thailand in just under 21h 15m. Your travel time can differ by up to 15h 16m. There are 8545 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 $883). 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 Chicago to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Narita flights
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O'Hare Intl to Suvarnabhumi flights
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Midway to Suvarnabhumi flights
O'Hare Intl to Ho Chi Minh City flights
St. Louis to Narita flights
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St. Louis to Haneda flights
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Midway to New Delhi flights
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Midway to Incheon Intl flights
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St. Louis to Suvarnabhumi flights
O'Hare Intl to Angeles City flights
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Midway to Denpasar flights
Midway to Hong Kong flights
Midway to Ho Chi Minh City flights
St. Louis to Ho Chi Minh City flights
O'Hare Intl to Soekarno-Hatta Intl flights

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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$601Average$903FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$668Average$1,141FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$864FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$698Average$1,085FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$707Average$897FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$713Average$1,058FlexibilityNo cancel feeOn-time77%
DeltaCheapest$745Average$1,197FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$825Average$975FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$832Average$1,124FlexibilityNo cancel feeOn-time75%

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