HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Thailand

$343+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This Bravofly deal was found by Cheapflights users on 7/24. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Mon 9/146:20 pm
HKT
-
ORD
1 stop32h 00m
Cathay Pacific
Deal found 7/24$800
This Bravofly deal was found by Cheapflights users on 7/24. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:00 pm
ORD
-
CNX
1 stop38h 40m
Cathay Pacific
Mon 9/147:25 pm
CNX
-
ORD
1 stop30h 55m
Cathay Pacific
Deal found 7/24$800
This SmartFares deal was found by Cheapflights users on 7/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:00 pm
ORD
-
CNX
1 stop29h 45m
Cathay Pacific
Tue 9/1510:30 am
CNX
-
ORD
1 stop39h 25m
Cathay Pacific
Deal found 7/24$802
This oojo deal was found by Cheapflights users on 7/23. 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.
Thu 8/274:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Sun 9/2711:50 am
HKT
-
ORD
1 stop38h 05m
Cathay Pacific
Deal found 7/23$817
This Gotogate deal was found by Cheapflights users on 7/23. 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.
Sun 8/304:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Mon 9/146:20 pm
HKT
-
ORD
1 stop32h 00m
Cathay Pacific
Deal found 7/23$819
This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Tue 9/1511:50 am
HKT
-
ORD
1 stop38h 05m
Cathay Pacific
Deal found 7/24$835
This ScholarTrip deal was found by Cheapflights users on 7/22. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:35 pm
ORD
-
HKT
1 stop38h 00m
Cathay Pacific
Sun 11/156:35 pm
HKT
-
ORD
1 stop31h 20m
Cathay Pacific
Deal found 7/22$845
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:15 pm
ORD
-
CNX
1 stop29h 30m
Cathay Pacific
Tue 11/37:40 pm
CNX
-
ORD
1 stop30h 15m
Cathay Pacific
Deal found 7/25$845
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:15 pm
ORD
-
CNX
1 stop29h 30m
Cathay Pacific
Thu 11/510:35 am
CNX
-
ORD
1 stop39h 20m
Cathay Pacific
Deal found 7/25$873
This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:45 pm
ORD
-
CNX
2 stops27h 35m
Multiple Airlines
Tue 9/158:00 pm
CNX
-
ORD
2 stops30h 55m
Multiple Airlines
Deal found 7/24$874
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
ORD
-
CNX
1 stop38h 40m
Cathay Pacific
Thu 10/110:30 am
CNX
-
ORD
1 stop39h 25m
Cathay Pacific
Deal found 7/25$895
This Booking.com deal was found by Cheapflights users on 7/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:45 pm
ORD
-
CNX
2 stops27h 35m
Multiple Airlines
Wed 9/304:55 pm
CNX
-
ORD
2 stops27h 45m
Multiple Airlines
Deal found 7/24$896

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 July 25, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$800
(Bravofly)

One-way from

$343
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,207
Provider with most accurate pricing for Chicago (CHI)-Bangkok flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bangkok flights.
Search Deals
From Chicago (CHI) to Thailand
Search Deals
One-way flight from Chicago (CHI) to Thailand
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($32 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 July 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 July 25, 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

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Sun 9/27

4:15 pm-10:50 am

1 stop30h 35m

Phuket City

Thu 10/1

11:50 am-1:55 pm

1 stop38h 05m

$895

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/15

11:50 am-9:20 am

2 stops33h 30m

Chiang Mai

Tue 12/8

12:10 pm-7:20 am

2 stops32h 10m

$915

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 1/16

8:50 am-5:10 am

2 stops31h 20m

Bangkok Suvarnabhumi

Wed 1/27

9:10 am-8:22 pm

2 stops24h 12m

$947

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 10/31

5:39 pm-9:30 pm

2 stops39h 51m

Bangkok Suvarnabhumi

Tue 3/23

9:40 am-8:43 am

2 stops35h 03m

$955

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Sun 10/18

9:29 am-11:35 pm

2 stops26h 06m

Bangkok Suvarnabhumi

Wed 10/28

11:15 pm-12:48 pm

2 stops25h 33m

$955

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Sun 10/4

9:29 am-9:45 pm

2 stops24h 16m

Bangkok Suvarnabhumi

Wed 10/14

2:35 am-10:25 pm

2 stops31h 50m

$956

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Sat 8/15

9:59 am-1:05 am

2 stops27h 06m

Bangkok Suvarnabhumi

Sun 10/25

11:15 pm-10:25 pm

2 stops35h 10m

$956

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 8/21

11:50 am-11:55 pm

1 stop24h 05m

Bangkok Suvarnabhumi

Sun 8/23

3:45 pm-8:26 pm

2 stops40h 41m

$963

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 11/22

9:40 pm-5:10 am

2 stops42h 30m

Bangkok Suvarnabhumi

Sun 12/13

4:55 pm-6:29 pm

2 stops38h 34m

$965

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 8/31

9:59 am-11:35 pm

2 stops25h 36m

Bangkok Suvarnabhumi

Sun 9/20

2:35 am-10:44 pm

2 stops32h 09m

$971

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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, September is the cheapest month in which you can book a flight from Chicago to Thailand (average of $853). Flying from Chicago to Thailand in December is currently the most expensive (average of $1,290). 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.

How far ahead should I book a flight from Chicago to Thailand?

To ensure you get the cheapest price possible for a flight from Chicago to Thailand, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 July 25, 2026.
Get a feel of what it's like to fly with EVA Air,ANA, andDelta 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
1,501 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.5

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
EVA Air
8.5
Very good
1,501 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.5

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
ANA
8.3
Very good
1,276 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.5

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Delta
7.8
Good
8,489 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.5

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Cathay Pacific
7.6
Good
1,429 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.5

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
United Airlines
7.4
Good
10,034 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.5

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

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?

    Cathay Pacific, United Airlines, and Delta can get you from Chicago to Thailand in just under 30h 35m. Your travel time can differ by up to 9h 16m. 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 $342 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, September is the cheapest month in which you can book a flight from Chicago to Thailand (average of $853). Flying from Chicago to Thailand in December is currently the most expensive (average of $1,290). 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$601Average$871FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$665Average$918FlexibilityNo cancel feeOn-time72%
ANACheapest$679Average$875FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$696Average$918FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$708Average$927FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$710Average$1,008FlexibilityNo cancel feeOn-time77%
DeltaCheapest$749Average$1,361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$790Average$1,134FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$804Average$1,115FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$815Average$970FlexibilityNo cancel feeOn-time79%

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.
Site
©2026 Cheapflights