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$355+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
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 March 1, 2026.

This oojo deal was found by Cheapflights users on 2/27. 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 4/201:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Tue 4/288:45 pm
HKT
-
ORD
2 stops26h 25m
Air India
Deal found 2/27$640
This FlightHub deal was found by Cheapflights users on 2/28. 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.
Wed 4/151:10 pm
ORD
-
HKT
1 stop42h 35m
Air India
Tue 4/288:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 2/28$660
This Trip.com deal was found by Cheapflights users on 2/27. 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.
Wed 9/231:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sun 10/48:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 2/27$691
This Trip.com deal was found by Cheapflights users on 2/27. 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.
Wed 9/301:10 pm
ORD
-
HKT
1 stop42h 35m
Air India
Sun 10/118:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 2/27$697
This FlightHub deal was found by Cheapflights users on 2/26. 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.
Wed 4/151:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Thu 4/238:25 am
HKT
-
ORD
2 stops38h 45m
Air India
Deal found 2/26$702
This oojo deal was found by Cheapflights users on 2/28. 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 4/121:10 pm
ORD
-
HKT
1 stop30h 15m
Air India
Sun 4/198:45 pm
HKT
-
ORD
2 stops26h 25m
Air India
Deal found 2/28$705
This oojo deal was found by Cheapflights users on 2/26. 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 9/3012:30 am
ORD
-
BKK
1 stop35h 00m
EVA Air
Thu 11/512:45 pm
BKK
-
ORD
1 stop19h 50m
EVA Air
Deal found 2/26$796
This Gurufare deal was found by Cheapflights users on 2/26. 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.
Mon 8/3112:15 pm
ORD
-
BKK
1 stop28h 20m
ANA
Mon 9/147:00 am
BKK
-
ORD
2 stops25h 22m
ANA
Deal found 2/26$797
This Cathay Pacific deal was found by Cheapflights users on 2/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:15 pm
ORD
-
BKK
1 stop19h 55m
Cathay Pacific
Sun 10/47:10 pm
BKK
-
ORD
1 stop30h 45m
Cathay Pacific
Deal found 2/25$798
This Ovago deal was found by Cheapflights users on 2/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:20 pm
ORD
-
BKK
1 stop37h 15m
Multiple Airlines
Mon 4/201:20 am
BKK
-
ORD
2 stops23h 25m
Multiple Airlines
Deal found 2/27$799
This Ovago deal was found by Cheapflights users on 2/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:00 pm
ORD
-
BKK
1 stop29h 35m
ANA
Mon 4/279:35 am
BKK
-
ORD
2 stops32h 24m
ANA
Deal found 2/27$800
This United Airlines deal was found by Cheapflights users on 2/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:45 pm
ORD
-
BKK
2 stops46h 50m
United Airlines
Mon 4/279:35 am
BKK
-
ORD
2 stops31h 11m
United Airlines
Deal found 2/28$801

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 March 1, 2026.

Round-trip from

$640
(oojo)

One-way from

$355
(oojo)

Popular in

December

Cheapest in

September

Average price

$895
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 ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 1, 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

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Sun 4/12

1:10 pm-7:25 am

1 stop30h 15m

Phuket City

Sun 4/19

8:25 am-11:10 am

1 stop38h 45m

$815

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/15

2:35 pm-9:35 am

3 stops31h 00m

Bangkok Suvarnabhumi

Wed 4/22

3:45 pm-5:15 am

2 stops25h 30m

$834

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 8/23

9:30 pm-4:35 am

2 stops43h 05m

Bangkok Suvarnabhumi

Sat 8/29

7:00 am-5:01 am

2 stops34h 01m

$838

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 4/30

7:40 am-9:35 am

2 stops37h 55m

Bangkok Suvarnabhumi

Fri 5/15

9:35 am-6:20 am

2 stops32h 45m

$843

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 8/11

10:32 am-9:35 am

3 stops35h 03m

Bangkok Suvarnabhumi

Mon 8/17

9:35 am-11:04 pm

2 stops25h 29m

$856

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Mon 4/20

8:52 am-10:10 pm

2 stops25h 18m

Phuket City

Sun 5/3

11:25 pm-10:09 am

2 stops46h 44m

$869

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 4/15

1:10 pm-4:55 pm

1 stop39h 45m

Bangkok Suvarnabhumi

Sat 4/25

3:15 pm-11:10 am

1 stop31h 55m

$915

ChicagoBangkok

ORD - DMK

ORDDMK

Chicago O'Hare Intl

Mon 4/20

1:10 pm-2:35 am

1 stop25h 25m

Bangkok Don Mueang Intl

Tue 5/12

11:55 am-5:50 am

2 stops53h 55m

$920

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Fri 5/1

12:20 pm-10:10 pm

1 stop21h 50m

Phuket City

Tue 5/5

11:25 pm-9:40 am

1 stop22h 15m

$920

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Tue 4/14

4:15 pm-11:30 am

1 stop31h 15m

Bangkok Suvarnabhumi

Thu 4/23

3:00 pm-1:55 pm

1 stop34h 55m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

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, 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 March 1, 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 March 1, 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
1,361 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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
1,361 reviews
EVA Air
8.4
Very good
1,361 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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
1,107 reviews
EVA Air
8.4
Very good
1,361 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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
1,195 reviews
EVA Air
8.4
Very good
1,361 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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
1,180 reviews
EVA Air
8.4
Very good
1,361 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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
9,371 reviews
EVA Air
8.4
Very good
1,361 reviews

Comfort

8.3

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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?

    Air India, Delta, and United Airlines can get you from Chicago to Thailand in just under 27h 45m. Your travel time can differ by up to 3h 15m. There are 8559 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.

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 March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$551Average$993FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$601Average$884FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$666Average$1,137FlexibilityNo cancel feeOn-time72%
ANACheapest$681Average$843FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$706Average$892FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$710Average$1,039FlexibilityNo cancel feeOn-time77%
DeltaCheapest$718Average$1,216FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$744Average$1,066FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$779Average$1,063FlexibilityNo cancel feeOn-time71%
FinnairCheapest$797Average$1,295FlexibilityNo cancel feeOn-time76%

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