HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Thailand

$391+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Thailand 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 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 February 19, 2026.

This oojo deal was found by Cheapflights users on 2/17. 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 10/262:30 pm
ORD
-
HKT
1 stop29h 35m
Air India
Tue 11/38:30 pm
HKT
-
ORD
2 stops28h 00m
Air India
Deal found 2/17$691
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sun 11/19:10 am
HKT
-
ORD
2 stops39h 20m
Air India
Deal found 2/18$713
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sat 10/319:10 am
HKT
-
ORD
2 stops39h 20m
Air India
Deal found 2/18$731
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sun 11/19:10 am
HKT
-
ORD
2 stops39h 20m
Air India
Deal found 2/18$746
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Wed 9/911:50 am
HKT
-
ORD
1 stop38h 30m
Cathay Pacific
Deal found 2/18$752
This KAYAK deal was found by Cheapflights users on 2/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Tue 9/1511:50 am
HKT
-
ORD
1 stop38h 05m
Cathay Pacific
Deal found 2/17$753
This Justfly.com deal was found by Cheapflights users on 2/15. 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 4/271:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sun 5/38:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 2/15$762
This oojo deal was found by Cheapflights users on 2/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:10 pm
ORD
-
HKT
1 stop42h 35m
Air India
Sat 10/248:25 am
HKT
-
ORD
2 stops40h 05m
Air India
Deal found 2/16$764
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sat 10/318:30 pm
HKT
-
ORD
2 stops28h 00m
Air India
Deal found 2/18$782
This Gurufare deal was found by Cheapflights users on 2/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:45 pm
ORD
-
CNX
2 stops27h 35m
Multiple Airlines
Wed 9/3011:55 am
CNX
-
ORD
2 stops32h 45m
Multiple Airlines
Deal found 2/16$784
This Justfly.com deal was found by Cheapflights users on 2/15. 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.
Wed 4/221:10 pm
ORD
-
HKT
1 stop42h 35m
Air India
Sun 4/268:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 2/15$788
This BusinessClass deal was found by Cheapflights users on 2/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:45 pm
ORD
-
HKT
2 stops27h 50m
Multiple Airlines
Tue 9/155:30 pm
HKT
-
ORD
2 stops27h 10m
Multiple Airlines
Deal found 2/17$790

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 February 19, 2026.

Round-trip from

$762
(Justfly.com)

One-way from

$391
(oojo)

Popular in

December

Cheapest in

September

Average price

$872
From Chicago (CHI) to Thailand
Search Deals
One-way flight from Chicago (CHI) to Thailand
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 19, 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

Mon 3/2

6:20 pm-11:25 am

2 stops28h 05m

Bangkok Suvarnabhumi

Mon 3/9

4:55 pm-6:20 am

2 stops25h 25m

$796

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 5/4

11:50 am-11:55 pm

1 stop24h 05m

Bangkok Suvarnabhumi

Tue 5/12

3:45 pm-9:00 am

3 stops29h 15m

$800

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/21

2:35 pm-9:35 am

3 stops31h 00m

Bangkok Suvarnabhumi

Wed 5/6

3:45 pm-5:25 am

2 stops25h 40m

$809

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 3/3

4:25 pm-12:20 am

1 stop42h 55m

Bangkok Suvarnabhumi

Thu 3/12

4:55 pm-5:07 am

2 stops24h 12m

$812

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 4/25

12:20 pm-1:35 pm

1 stop37h 15m

Bangkok Suvarnabhumi

Wed 5/20

11:30 pm-9:40 am

1 stop22h 10m

$819

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 4/16

4:00 pm-9:35 am

2 stops29h 35m

Bangkok Suvarnabhumi

Tue 4/28

9:35 am-5:59 am

2 stops32h 24m

$819

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 4/19

10:45 pm-9:35 am

2 stops46h 50m

Bangkok Suvarnabhumi

Wed 5/20

7:00 am-2:55 pm

1 stop19h 55m

$825

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/15

4:40 pm-9:35 am

2 stops28h 55m

Bangkok Suvarnabhumi

Mon 4/27

9:35 am-5:59 am

2 stops32h 24m

$827

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Mon 5/4

12:20 pm-10:10 pm

1 stop21h 50m

Phuket City

Sun 5/10

11:25 pm-9:40 am

1 stop22h 15m

$869

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

8:30 pm-11:30 am

2 stops28h 00m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 60 results
1
2
3
...
6

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 $812). 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 February 19, 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 February 19, 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
1,355 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very good
1,355 reviews
EVA Air
8.4
Very good
1,355 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
ANA
8.4
Very good
1,093 reviews
EVA Air
8.4
Very good
1,355 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Korean Air
8.4
Very good
1,194 reviews
EVA Air
8.4
Very good
1,355 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Cathay Pacific
7.6
Good
1,170 reviews
EVA Air
8.4
Very good
1,355 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
United Airlines
7.4
Good
9,317 reviews
EVA Air
8.4
Very good
1,355 reviews

Overall

8.4

Boarding

8.4

Entertainment

8.0

Food

8.1

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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, Korean Air, and Air India can get you from Chicago to Thailand in just under 21h 50m. Your travel time can differ by up to 19h 10m. There are 8947 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 $812). 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 Chicago to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Narita flights
O'Hare Intl to Haneda flights
O'Hare Intl to Suvarnabhumi flights
O'Hare Intl to Incheon Intl flights
O'Hare Intl to Hong Kong flights
Midway to Haneda flights
O'Hare Intl to Manila flights
Midway to Narita flights
Midway to Suvarnabhumi flights
O'Hare Intl to New Delhi flights
O'Hare Intl to Hyderabad flights
St. Louis to Narita flights
O'Hare Intl to Taiwan Taoyuan Intl flights
O'Hare Intl to Mumbai flights
St. Louis to Haneda flights
O'Hare Intl to Ahmedabad flights
O'Hare Intl to Don Mueang Intl flights
O'Hare Intl to Hongqiao Intl flights
O'Hare Intl to Gimpo Intl flights
O'Hare Intl to Ho Chi Minh City flights
O'Hare Intl to Denpasar flights
O'Hare Intl to Chennai flights
O'Hare Intl to Karachi flights
O'Hare Intl to Cebu City flights
O'Hare Intl to Lahore flights
O'Hare Intl to Cochin flights
St. Louis to Suvarnabhumi flights
O'Hare Intl to Kathmandu flights
O'Hare Intl to Pu Dong flights
O'Hare Intl to Kansai Intl flights
O'Hare Intl to Sung Shan flights
Midway to Manila flights
O'Hare Intl to Capital flights
Midway to Hong Kong flights
O'Hare Intl to Kobe flights
O'Hare Intl to Singapore flights
Midway to Incheon Intl flights
Midway to Denpasar flights
O'Hare Intl to Osaka Itami flights
O'Hare Intl to Beijing Daxing Intl flights
St. Louis to Hong Kong flights
O'Hare Intl to Bangalore flights
O'Hare Intl to Soekarno-Hatta Intl flights
O'Hare Intl to Hanoi flights
O'Hare Intl to Angeles City flights
Midway to New Delhi flights
O'Hare Intl to Malé flights
O'Hare Intl to Kuala Lumpur Intl flights
O'Hare Intl to Dhaka flights
St. Louis to Manila 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$551Average$1,020FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$601Average$883FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$666Average$1,138FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$845FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$706Average$1,044FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$706Average$894FlexibilityNo cancel feeOn-time69%
DeltaCheapest$718Average$1,215FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$759Average$1,057FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$822Average$1,217FlexibilityNo cancel feeOn-time74%

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.