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$371+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 July 19, 2026.

This BusinessClass deal was found by Cheapflights users on 7/17. 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.
Sun 10/44:15 pm
ORD
-
HKT
1 stop30h 35m
Cathay Pacific
Wed 10/146:20 pm
HKT
-
ORD
1 stop31h 35m
Cathay Pacific
Deal found 7/17$808
This oojo deal was found by Cheapflights users on 7/16. 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.
Mon 9/144:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Mon 9/216:20 pm
HKT
-
ORD
1 stop31h 35m
Cathay Pacific
Deal found 7/16$812
This oojo deal was found by Cheapflights users on 7/17. 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.
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 7/17$813
This oojo deal was found by Cheapflights users on 7/17. 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.
Sun 9/134:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Sun 9/206:20 pm
HKT
-
ORD
1 stop31h 35m
Cathay Pacific
Deal found 7/17$814
This oojo deal was found by Cheapflights users on 7/18. 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 8/244:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Mon 9/216:20 pm
HKT
-
ORD
1 stop31h 35m
Cathay Pacific
Deal found 7/18$815
This Gotogate deal was found by Cheapflights users on 7/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Sat 9/511:50 am
HKT
-
ORD
1 stop38h 30m
Cathay Pacific
Deal found 7/18$822
This ScholarTrip deal was found by Cheapflights users on 7/19. 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 11/1512:20 pm
HKT
-
ORD
1 stop37h 35m
Cathay Pacific
Deal found 7/19$846
This Trip.com deal was found by Cheapflights users on 7/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Mon 9/286:20 pm
HKT
-
ORD
1 stop31h 35m
Cathay Pacific
Deal found 7/16$847
This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:00 pm
ORD
-
HKT
1 stop30h 50m
Cathay Pacific
Sun 9/2711:50 am
HKT
-
ORD
1 stop38h 05m
Cathay Pacific
Deal found 7/15$862
This oojo deal was found by Cheapflights users on 7/16. 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.
Wed 8/194:00 pm
ORD
-
CNX
1 stop38h 40m
Cathay Pacific
Thu 12/107:40 pm
CNX
-
ORD
1 stop30h 15m
Cathay Pacific
Deal found 7/16$862
This oojo deal was found by Cheapflights users on 7/17. 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.
Sun 10/184:15 pm
ORD
-
CNX
1 stop38h 25m
Cathay Pacific
Thu 10/297:40 pm
CNX
-
ORD
1 stop30h 15m
Cathay Pacific
Deal found 7/17$863
This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:15 pm
ORD
-
HKT
1 stop30h 35m
Cathay Pacific
Sat 10/1711:50 am
HKT
-
ORD
1 stop38h 05m
Cathay Pacific
Deal found 7/15$873

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 19, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$808
(BusinessClass)

One-way from

$371
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,187
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. 2% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 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 19, 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

Tue 8/18

2:16 pm-9:35 am

3 stops31h 19m

Bangkok Suvarnabhumi

Fri 8/28

7:00 am-2:55 pm

1 stop19h 55m

$942

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 11/9

7:15 am-12:20 am

2 stops28h 05m

Bangkok Suvarnabhumi

Fri 11/13

9:10 am-5:04 am

2 stops32h 54m

$949

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Fri 8/14

9:59 am-1:05 am

2 stops27h 06m

Bangkok Suvarnabhumi

Mon 10/12

9:40 pm-12:48 pm

2 stops27h 08m

$955

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 11/25

7:55 pm-9:30 pm

2 stops36h 35m

Bangkok Suvarnabhumi

Sat 12/5

9:30 pm-10:33 am

2 stops26h 03m

$956

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Sun 10/4

9:29 am-9:45 pm

2 stops24h 16m

Bangkok Suvarnabhumi

Tue 12/8

9:40 am-10:10 pm

2 stops25h 30m

$956

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

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 8/2

9:30 pm-9:35 am

2 stops48h 05m

Bangkok Suvarnabhumi

Sat 10/31

4:55 pm-6:03 am

2 stops25h 08m

$963

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/5

6:55 am-11:20 pm

2 stops27h 25m

Bangkok Suvarnabhumi

Sun 12/6

9:30 pm-5:14 pm

2 stops32h 44m

$971

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 11/6

7:10 am-12:45 am

2 stops28h 35m

Bangkok Suvarnabhumi

Sun 11/15

9:40 am-11:46 pm

2 stops27h 06m

$990

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Fri 8/28

9:59 am-1:05 am

2 stops27h 06m

Bangkok Suvarnabhumi

Thu 9/24

2:35 am-10:45 pm

2 stops32h 10m

$990

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $847). Flying from Chicago to Thailand in December is currently the most expensive (average of $1,279). 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 19, 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

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

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

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

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
1,272 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

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
8,479 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

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
1,416 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

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
10,008 reviews
EVA Air
8.5
Very good
1,501 reviews

Boarding

8.4

Food

8.1

Overall

8.5

Crew

8.7

Entertainment

8.0

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?

    United Airlines, Delta, and EVA Air can get you from Chicago to Thailand in just under 21h 55m. Your travel time can differ by up to 9h 24m. 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 $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 O'Hare Intl - Bangkok Don Mueang Intl or Chicago Midway - Bangkok Suvarnabhumi, 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 $847). Flying from Chicago to Thailand in December is currently the most expensive (average of $1,279). 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 19, 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%

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