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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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BKK
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Chicago to Thailand

Keep the following information in mind while searching for Chicago to Thailand flight deals. Data was last updated September 17, 2025.

Round-trip from

$675
(CrystalTravel)

One-way from

$371
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$858
From Chicago (CHI) to Thailand
Search Deals
One-way flight from Chicago (CHI) to Thailand
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:00 pmORD - BKK
1 stop19h 50mCathay Pacific
Tue 11/44:55 pmBKK - ORD
1 stop33h 00mCathay Pacific
Deal found 9/16$680
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:45 pmORD - BKK
1 stop27h 40mTurkish Airlines
Tue 10/711:00 amBKK - ORD
1 stop34h 40mTurkish Airlines
Deal found 9/15$681
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:35 pmORD - BKK
1 stop31h 05mCathay Pacific
Wed 11/1212:45 pmBKK - ORD
1 stop37h 15mCathay Pacific
Deal found 9/15$682
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:35 pmORD - HKT
1 stop31h 45mCathay Pacific
Sun 11/1612:20 pmHKT - ORD
1 stop37h 35mCathay Pacific
Deal found 9/15$682
This Flighttix deal was found by Cheapflights users on 9/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:40 pmORD - BKK
1 stop27h 55mUnited Airlines
Sun 10/59:35 amBKK - ORD
1 stop41h 35mUnited Airlines
Deal found 9/16$683
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:00 pmORD - BKK
1 stop35h 25mCathay Pacific
Sun 10/1212:30 pmBKK - ORD
1 stop37h 55mCathay Pacific
Deal found 9/15$684
This iWofly deal was found by Cheapflights users on 9/17. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:15 amORD - BKK
1 stop24h 30mKorean Air
Tue 11/189:30 pmBKK - ORD
1 stop24h 00mKorean Air
Deal found 9/17$685
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:00 pmORD - HKT
1 stop30h 50mCathay Pacific
Tue 11/412:20 pmHKT - ORD
1 stop37h 35mCathay Pacific
Deal found 9/16$685
This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:35 pmORD - BKK
1 stop20h 40mCathay Pacific
Mon 11/244:55 pmBKK - ORD
1 stop33h 00mCathay Pacific
Deal found 9/16$688
This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:35 pmORD - BKK
1 stop34h 30mCathay Pacific
Tue 11/253:05 pmBKK - ORD
1 stop34h 50mCathay Pacific
Deal found 9/16$690
This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:00 pmORD - BKK
1 stop31h 30mCathay Pacific
Sun 10/123:00 pmBKK - ORD
1 stop35h 25mCathay Pacific
Deal found 9/16$691
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:35 pmORD - BKK
1 stop32h 30mCathay Pacific
Wed 12/247:15 pmBKK - ORD
1 stop30h 40mCathay Pacific
Deal found 9/15$692

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 September 17, 2025.
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

Tue 2/3

11:25 am-12:45 am

1 stop24h 20m

Bangkok Suvarnabhumi

Mon 2/23

12:55 am-8:40 am

1 stop20h 45m

$699

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Wed 9/24

9:35 am-1:05 am

2 stops27h 30m

Bangkok Suvarnabhumi

Wed 10/22

2:35 am-10:14 pm

2 stops31h 39m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 9/22

9:20 am-11:25 pm

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 11/5

12:55 am-12:28 pm

2 stops24h 33m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Wed 9/24

9:35 am-1:05 am

2 stops27h 30m

Bangkok Suvarnabhumi

Tue 10/21

9:50 am-10:14 pm

2 stops24h 24m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Thu 9/25

9:20 am-1:05 am

2 stops27h 45m

Bangkok Suvarnabhumi

Tue 10/21

9:50 am-10:14 pm

2 stops24h 24m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Mon 9/22

9:20 am-1:05 am

2 stops27h 45m

Bangkok Suvarnabhumi

Tue 10/21

11:30 pm-10:14 pm

2 stops34h 44m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 9/23

9:35 am-11:25 pm

2 stops25h 50m

Bangkok Suvarnabhumi

Wed 11/5

12:55 am-12:28 pm

2 stops24h 33m

$710

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Tue 9/23

9:35 am-9:45 pm

2 stops24h 10m

Bangkok Suvarnabhumi

Tue 10/21

2:35 am-10:14 pm

2 stops31h 39m

$710

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Wed 10/29

8:14 pm-11:25 am

2 stops27h 11m

Bangkok Suvarnabhumi

Wed 1/28

9:10 am-5:15 am

2 stops33h 05m

$712

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 3/2

4:25 pm-5:10 am

1 stop23h 45m

Bangkok Suvarnabhumi

Thu 4/2

3:40 pm-6:28 am

2 stops26h 48m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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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 $900). Flying from Chicago to Thailand in December is currently the most expensive (average of $1,507). 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 September 17, 2025.

When flying from Chicago to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 2025.
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
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,237 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
ANA
8.4
Very good
964 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very good
1,140 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Cathay Pacific
7.6
Good
998 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,926 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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?

    Korean Air, Delta, and United Airlines can get you from Chicago to Thailand in just under 24h 20m. Your travel time can differ by up to 3h 10m. 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 $463. Users have also found prices from $467 and $470 on Turkish Airlines and IndiGo, 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 $900). Flying from Chicago to Thailand in December is currently the most expensive (average of $1,507). 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

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Alternative routes for Chicago to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$503Average$1,391FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$619Average$924FlexibilityNo cancel feeOn-timeN/A
ANACheapest$685Average$937FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$686Average$1,051FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$709Average$896FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$710Average$1,198FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$722Average$1,140FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$770Average$1,088FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$815Average$977FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$820Average$1,169FlexibilityNo cancel feeOn-time75%

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