HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Thailand

$389+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
May 3 — May 101
Sun 5/3
Sun 5/10
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 April 3, 2026.

This Justfly.com deal was found by Cheapflights users on 3/29. 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 10/121:10 pm
ORD
-
HKT
1 stop42h 35m
Air India
Tue 10/208:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 3/29$697
This SmartFares deal was found by Cheapflights users on 3/30. 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.
Fri 4/31:00 pm
ORD
-
HKT
1 stop41h 30m
Etihad Airways
Sat 4/188:55 am
HKT
-
ORD
1 stop36h 20m
Etihad Airways
Deal found 3/30$704
This flugladen.de deal was found by Cheapflights users on 3/31. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:00 pm
ORD
-
HKT
1 stop41h 30m
Etihad Airways
Sat 4/189:25 am
HKT
-
ORD
1 stop35h 50m
Etihad Airways
Deal found 3/31$714
This oojo deal was found by Cheapflights users on 3/31. 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 4/51:00 pm
ORD
-
HKT
1 stop41h 30m
Etihad Airways
Sat 4/119:05 pm
HKT
-
ORD
1 stop24h 10m
Etihad Airways
Deal found 3/31$725
This Gotogate deal was found by Cheapflights users on 3/29. 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.
Wed 5/132:00 pm
ORD
-
HKT
1 stop21h 55m
Etihad Airways
Wed 5/209:20 pm
HKT
-
ORD
1 stop23h 15m
Etihad Airways
Deal found 3/29$734
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Fri 4/101:00 pm
ORD
-
HKT
1 stop30h 15m
Etihad Airways
Sat 4/188:55 am
HKT
-
ORD
1 stop36h 20m
Etihad Airways
Deal found 4/2$735
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/121:00 pm
ORD
-
HKT
1 stop41h 30m
Etihad Airways
Mon 4/208:55 am
HKT
-
ORD
1 stop36h 20m
Etihad Airways
Deal found 4/2$736
This FlightHub deal was found by Cheapflights users on 4/2. 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 4/131:00 pm
ORD
-
HKT
1 stop30h 15m
Etihad Airways
Sat 4/189:05 pm
HKT
-
ORD
1 stop24h 10m
Etihad Airways
Deal found 4/2$737
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Fri 4/101:00 pm
ORD
-
HKT
1 stop41h 30m
Etihad Airways
Mon 4/208:55 am
HKT
-
ORD
1 stop36h 20m
Etihad Airways
Deal found 4/2$739
This oojo deal was found by Cheapflights users on 4/1. 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 5/12:00 pm
ORD
-
HKT
1 stop40h 20m
Etihad Airways
Thu 5/73:20 am
HKT
-
ORD
1 stop41h 15m
Etihad Airways
Deal found 4/1$741
This Justfly.com deal was found by Cheapflights users on 3/31. 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.
Fri 10/231:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sat 10/318:30 pm
HKT
-
ORD
2 stops28h 00m
Air India
Deal found 3/31$746
This oojo deal was found by Cheapflights users on 4/2. 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 5/182:00 pm
ORD
-
HKT
1 stop34h 15m
Etihad Airways
Mon 5/259:20 pm
HKT
-
ORD
1 stop23h 15m
Etihad Airways
Deal found 4/2$750

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 April 3, 2026.

Round-trip from

$725
(oojo)

One-way from

$389
(oojo)

Popular in

December

Cheapest in

September

Average price

$879
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 ($43 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 April 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 April 3, 2026.
Use the filters below to find and compare flights from Chicago to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/21

5:30 am-9:45 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Wed 10/14

2:35 am-9:34 pm

2 stops30h 59m

$903

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 8/27

5:45 pm-4:35 am

1 stop22h 50m

Bangkok Suvarnabhumi

Mon 9/14

9:35 am-4:51 am

2 stops31h 16m

$904

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/14

7:50 pm-9:35 am

2 stops25h 45m

Bangkok Suvarnabhumi

Fri 9/25

9:35 am-11:20 pm

2 stops25h 45m

$948

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 9/4

7:50 pm-9:35 am

2 stops25h 45m

Bangkok Suvarnabhumi

Tue 9/15

9:35 am-4:45 am

2 stops31h 10m

$948

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Wed 5/13

2:00 pm-12:15 pm

1 stop34h 15m

Phuket City

Sat 5/23

9:25 am-8:35 am

1 stop35h 10m

$959

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 9/5

3:48 pm-9:35 am

2 stops29h 47m

Bangkok Suvarnabhumi

Sun 9/13

3:45 pm-11:26 am

2 stops31h 41m

$999

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 9/9

9:30 am-11:35 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Tue 9/22

11:30 pm-12:39 pm

2 stops25h 09m

$1,003
Quickest round-trip

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 5/14

11:45 am-11:50 pm

2 stops24h 05m

Bangkok Suvarnabhumi

Thu 5/21

9:00 pm-8:35 am

1 stop23h 35m

$1,028

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/22

4:19 pm-6:45 am

2 stops26h 26m

Bangkok Suvarnabhumi

Sat 5/2

3:55 pm-8:35 am

1 stop28h 40m

$1,029

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Sat 5/16

11:45 am-11:55 pm

2 stops24h 10m

Phuket City

Mon 6/15

9:20 pm-3:40 pm

1 stop30h 20m

$1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 60 resultsSorted by cheapest first
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 $917). 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 April 3, 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 April 3, 2026.
Get a feel of what it's like to fly with EVA Air,ANA, andKorean 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
1,399 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
EVA Air
8.5
Very good
1,399 reviews
EVA Air
8.5
Very good
1,399 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
ANA
8.4
Very good
1,163 reviews
EVA Air
8.5
Very good
1,399 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
Korean Air
8.4
Very good
1,203 reviews
EVA Air
8.5
Very good
1,399 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
Cathay Pacific
7.6
Good
1,239 reviews
EVA Air
8.5
Very good
1,399 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
United Airlines
7.4
Good
9,538 reviews
EVA Air
8.5
Very good
1,399 reviews

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

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?

    Delta, United Airlines, and Etihad Airways can get you from Chicago to Thailand in just under 22h 50m. Your travel time can differ by up to 11h 25m. 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 $917). 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.

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 April 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$551Average$970FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$606Average$887FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$666Average$1,138FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$842FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$705Average$897FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$712Average$1,042FlexibilityNo cancel feeOn-time77%
DeltaCheapest$747Average$1,246FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$799Average$1,099FlexibilityNo cancel feeOn-time75%
EVA AirCheapest$807Average$1,200FlexibilityNo 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.