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Cheap flights from Thailand to Chicago from ฿20,685

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CHI
20 Aug — 27 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Chicago
Explore the most affordable flight options available from Thailand to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 July 2026.

Thu 10/1219:10
BKK
-
ORD
2 stops56h 55m
โอมานแอร์
Wed 30/1218:50
ORD
-
BKK
2 stops46h 55m
โอมานแอร์
Deal found 18/7฿31,246
Thu 10/1219:10
BKK
-
ORD
2 stops56h 55m
โอมานแอร์
Thu 31/1210:35
ORD
-
BKK
2 stops31h 10m
โอมานแอร์
Deal found 17/7฿31,279
Thu 3/910:10
BKK
-
ORD
2 stops35h 20m
Multiple Airlines
Thu 10/921:10
ORD
-
BKK
1 stop21h 35m
Multiple Airlines
Deal found 20/7฿32,389
Tue 1/907:00
BKK
-
ORD
1 stop19h 55m
ANA
Tue 8/911:50
ORD
-
BKK
1 stop22h 25m
ANA
Deal found 17/7฿32,793
Thu 3/910:10
BKK
-
ORD
2 stops35h 20m
Multiple Airlines
Fri 18/914:00
ORD
-
BKK
1 stop21h 55m
Multiple Airlines
Deal found 20/7฿33,264
Mon 31/821:05
BKK
-
ORD
2 stops31h 05m
Multiple Airlines
Mon 7/921:10
ORD
-
BKK
1 stop33h 00m
Multiple Airlines
Deal found 17/7฿33,600
Thu 10/1209:40
BKK
-
ORD
1 stop35h 50m
Korean Air
Thu 31/1211:15
ORD
-
BKK
1 stop37h 10m
Korean Air
Deal found 17/7฿33,634
Thu 3/921:40
BKK
-
ORD
1 stop23h 50m
Korean Air
Thu 10/912:10
ORD
-
BKK
1 stop37h 25m
Korean Air
Deal found 20/7฿33,701
Tue 20/1021:40
BKK
-
ORD
1 stop23h 50m
Korean Air
Tue 3/1111:15
ORD
-
BKK
1 stop24h 30m
Korean Air
Deal found 17/7฿34,037
Fri 4/909:50
BKK
-
ORD
2 stops26h 07m
เดลต้า
Fri 25/907:00
ORD
-
BKK
2 stops30h 05m
เดลต้า
Deal found 20/7฿34,071
Mon 19/1023:30
BKK
-
MDW
2 stops25h 18m
เดลต้า
Mon 2/1117:21
MDW
-
BKK
2 stops39h 09m
เดลต้า
Deal found 20/7฿34,071
Mon 31/809:50
BKK
-
MDW
2 stops24h 46m
เดลต้า
Mon 7/909:59
MDW
-
BKK
2 stops27h 06m
เดลต้า
Deal found 17/7฿34,105

Find flight deals from Thailand to Chicago

Keep the following information in mind while searching for Thailand to Chicago flight deals. Data was last updated 21 July 2026.

Round-trip from

฿31,246

One-way from

฿20,685

Popular in

March

Cheapest in

October

Average price

฿38,881
โอมานแอร์
  • โอมานแอร์
  • 10/12-31/12
  • 4 total stops
  • 88h 05m total
  • Thailand to Chicago
Search Deals
2/10
  • 2/10
  • 3 total stops
  • 49h 09m total
  • Thailand to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿251,849 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿60,036 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand to Chicago 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 17,341 searches. Data last updated 21 July 2026.
Use the filters below to find and compare flights from Thailand to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 20/10

09:50-09:30

1 stop35h 40m

Chicago O'Hare Intl

Tue 3/11

11:15-13:25

1 stop37h 10m

฿34,037

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 21/10

09:50-22:25

2 stops24h 35m

Chicago Midway

Wed 4/11

18:45-23:20

2 stops39h 35m

฿34,071

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 31/8

02:35-22:36

2 stops32h 01m

Chicago Midway

Tue 8/9

09:59-23:35

2 stops25h 36m

฿34,071

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Tue 20/10

21:40-12:48

2 stops27h 08m

Chicago Midway

Tue 3/11

16:25-13:25

2 stops32h 00m

฿34,071

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 31/8

09:50-22:36

2 stops24h 46m

Chicago Midway

Mon 7/9

09:59-01:05

2 stops27h 06m

฿34,138

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 31/8

09:50-22:36

2 stops24h 46m

Chicago Midway

Tue 8/9

09:59-23:35

2 stops25h 36m

฿34,138

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 2/10

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Mon 30/11

13:05-05:10

1 stop27h 05m

฿34,205

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 21/8

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Sun 30/8

14:42-09:35

3 stops30h 53m

฿34,239

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 8/9

09:35-00:59

2 stops27h 24m

Chicago O'Hare Intl

Tue 29/9

15:50-09:35

3 stops29h 45m

฿34,306

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 18/8

02:35-23:29

2 stops32h 54m

Chicago O'Hare Intl

Sat 29/8

05:30-23:35

2 stops30h 05m

฿35,080

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Thailand to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Thailand with our price prediction graph.
Estimated return 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 Thailand to Chicago

What is the cheapest month to book a flight from Thailand to Chicago?

Currently, January is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿34,744). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿51,930). 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 Thailand to Chicago?

The price you pay for your flight from Thailand to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 21 July 2026.
Read through reviews of airlines operating flights from Thailand to Chicago, such as Korean Air,Japan Airlines, andANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,221 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Japan Airlines
8.3
Very Good
1,879 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
ANA
8.3
Very Good
1,274 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Thailand to Chicago. 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 Thailand to Chicago?

    Airlines like Korean Air, เดลต้า, and United Airlines fly from Thailand to Chicago in about 19h 55m. The time it takes to get you to your destination can typically vary by up to 15h 45m. There are 13752 km between Thailand and Chicago. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Thailand to Chicago one-way?

    The cheapet airlines for a one-way flight from Thailand to Chicago are Korean Air (฿14,998), Thai Airways (฿19,459), and ANA (฿22,401).

  • What are the most popular routes from Thailand to Chicago?

    Most travellers choose Bangkok Suvarnabhumi - Chicago O'Hare Intl, Bangkok Suvarnabhumi - Chicago Midway or Bangkok Don Mueang Intl - Chicago O'Hare Intl when deciding on the best route from Thailand to Chicago.

  • Can I find deals for flights from Thailand to Chicago that include hotel bookings?

    Yes. In addition to deals on Thailand to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Chicago.

  • Can I find deals for business class flights from Thailand to Chicago?

    Yes. Cheapflights offers flight deals from Thailand to Chicago 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 Thailand to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿34,744). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿51,930). 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.

Alternative routes for Thailand to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to O'Hare Intl flights
Phuket City to St. Louis flights
Chiang Mai to Midway flights
Ko Samui to O'Hare Intl flights

Top 6 airlines flying from Thailand to Chicago

Discover the top 6 airlines that operate flights from Thailand to Chicago. 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 17,341 searches. Data last updated 21 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿32,694Average฿34,579FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿33,583Average฿53,037FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
ANACheapest฿35,997Average฿38,918FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapest฿36,793Average฿36,793FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest฿38,254Average฿56,259FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Cathay PacificCheapest฿41,227Average฿60,405FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to Chicago?

Cheapflights helps you search for flights from Thailand to Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Chicago?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Thailand to Chicago.

Can Cheapflights find flights from Thailand to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Thailand to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Thailand to Chicago become cheaper?

Yes! Start tracking prices for Thailand to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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