How long is the flight from Thailand to Chicago?

Airlines like Thai Airways, เดลต้า, and Korean Air fly from Thailand to Chicago in about 20h 05m. The time it takes to get you to your destination can typically vary by up to 8h 08m. 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.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What are the most popular routes from Thailand to Chicago?

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

What are the most popular airlines that fly from Thailand to Chicago?

The most popular airlines flying from Thailand to Chicago are Thai Airways, ANA and Korean Air. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from TH to CHI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thailand to Chicago as you normally would.

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.

฿13,248+ Cheap Flights from Thailand to Chicago

Cheap flight deals from Thailand to Chicago

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 13 September 2026.

Wed 18/1108:10 -

1 stop24h 25m

Tue 1/1223:30 -

1 stop28h 20m

Deal found 12/9฿27,354

Fri 13/1108:10 -

1 stop24h 25m

Sun 29/1123:30 -

1 stop22h 20m

Deal found 11/9฿27,453

Wed 18/1108:10 -

1 stop24h 25m

Sun 29/1123:30 -

1 stop22h 20m

Deal found 12/9฿27,584

Thu 5/1117:30 -

1 stop39h 05m

Sun 17/123:30 -

1 stop22h 20m

Deal found 9/9฿27,650

Wed 14/1012:40 -

1 stop20h 05m

Wed 28/1000:30 -

1 stop28h 20m

Deal found 13/9฿28,079

Wed 18/1112:40 -

1 stop19h 55m

Thu 3/1223:30 -

1 stop28h 20m

Deal found 12/9฿28,112

Sun 25/1008:10 -

1 stop24h 25m

Sun 1/1123:30 -

1 stop22h 20m

Deal found 10/9฿28,474

Thu 8/1017:15 -

1 stop39h 30m

Fri 27/1123:30 -

1 stop28h 20m

Deal found 9/9฿29,002

Fri 25/1217:30 -

1 stop39h 05m

Mon 4/123:30 -

1 stop33h 15m

Deal found 11/9฿29,199

Wed 16/908:15 -

1 stop24h 30m

Tue 29/900:30 -

1 stop22h 10m

Deal found 11/9฿29,232

Wed 16/908:15 -

1 stop24h 30m

Sat 7/1123:30 -

1 stop28h 20m

Deal found 11/9฿29,364

Sat 19/920:00 -

2 stops31h 40m

Sun 8/1113:10 -

2 stops31h 15m

Deal found 10/9฿33,451

Best flights from Thailand to Chicago
Discover carefully curated flight deals from Thailand to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Fri 23/1012:40 -

1 stop20h 05m

Thu 29/1000:30 -

1 stop22h 20m

Deal found 8/9฿29,364

Tue 17/1101:05 -

2 stops28h 13m

Tue 1/1206:20 -

2 stops26h 10m

Deal found 12/9฿33,846

Fri 6/1121:40 -

1 stop23h 50m

Mon 9/1111:10 -

1 stop37h 15m

Deal found 12/9฿33,879

Fri 6/1107:10 -

2 stops27h 35m

Mon 9/1117:52 -

2 stops28h 38m

Deal found 12/9฿34,176

Sat 10/1013:20 -

2 stops28h 20m

Sun 25/1020:10 -

2 stops25h 40m

Deal found 9/9฿41,360

Wed 23/911:35 -

2 stops30h 07m

Tue 10/1123:30 -

2 stops49h 15m

Deal found 12/9฿45,875

Fri 9/1023:50 -

1 stop28h 10m

Sat 17/1020:35 -

1 stop26h 35m

Deal found 13/9฿48,742

Tue 10/1118:15 -

2 stops37h 05m

Sat 14/1120:15 -

2 stops31h 45m

Deal found 12/9฿51,346

Tue 27/1013:00 -

2 stops38h 30m

Sat 31/1019:50 -

2 stops57h 00m

Deal found 11/9฿51,741

Wed 18/1109:50 -

2 stops24h 57m

Thu 3/1206:40 -

2 stops27h 25m

Deal found 12/9฿33,846

Wed 4/1100:20 -

1 stop21h 10m

Sat 7/1111:10 -

1 stop22h 35m

Deal found 12/9฿33,879

Wed 14/1015:45 -

3 stops29h 15m

Thu 29/1014:30 -

3 stops33h 00m

Deal found 12/9฿34,340

Tue 13/1002:35 -

2 stops33h 22m

Thu 29/1019:15 -

2 stops38h 15m

Deal found 12/9฿33,846

Mon 26/1016:55 -

3 stops28h 16m

Mon 2/1113:30 -

3 stops33h 00m

Deal found 11/9฿34,406

Tue 27/1021:40 -

2 stops32h 20m

Tue 3/1118:44 -

2 stops40h 36m

Deal found 12/9฿33,846

Fri 25/1216:55 -

3 stops31h 20m

Mon 4/110:33 -

3 stops35h 57m

Deal found 11/9฿34,406

Fri 23/1010:50 -

3 stops25h 50m

Fri 30/1016:05 -

2 stops29h 45m

Deal found 8/9฿42,085

Tue 17/1101:05 -

2 stops24h 46m

Thu 3/1213:02 -

2 stops35h 23m

Deal found 12/9฿33,846

Tue 6/1011:35 -

2 stops30h 10m

Tue 3/1123:30 -

2 stops30h 30m

Deal found 11/9฿45,974

Fri 9/1010:50 -

3 stops25h 50m

Tue 13/1016:45 -

3 stops29h 00m

Deal found 13/9฿42,711

Sat 10/1012:10 -

1 stop39h 50m

Sat 17/1020:35 -

1 stop36h 10m

Deal found 9/9฿48,841

Thu 26/1101:05 -

2 stops35h 54m

Wed 28/405:30 -

2 stops28h 15m

Deal found 11/9฿33,912

Thu 24/909:25 -

2 stops47h 20m

Mon 9/1123:30 -

2 stops30h 30m

Deal found 11/9฿46,139

Tue 6/1021:45 -

2 stops37h 49m

Tue 3/1111:10 -

1 stop22h 35m

Deal found 13/9฿46,831

Thu 26/1101:05 -

2 stops35h 54m

Thu 22/407:15 -

2 stops26h 30m

Deal found 11/9฿33,912

Fri 13/1110:55 -

2 stops25h 55m

Sun 29/1116:40 -

2 stops28h 10m

Deal found 11/9฿45,842

Thu 8/1023:50 -

1 stop28h 10m

Tue 13/1020:35 -

1 stop26h 35m

Deal found 10/9฿50,522

Wed 23/921:10 -

2 stops35h 35m

Mon 9/1123:30 -

2 stops46h 50m

Deal found 10/9฿46,304

Wed 23/921:45 -

1 stop23h 45m

Sat 7/1111:10 -

1 stop22h 35m

Deal found 12/9฿49,204

Mon 26/1023:15 -

2 stops25h 32m

Mon 2/1118:44 -

2 stops39h 21m

Deal found 11/9฿33,912

Find flight deals from Thailand to Chicago

Round-trip from	฿27,354
One-way from	฿13,248
Popular in	March
Cheapest in	November
Average price	฿39,613

Thai Airways
18/11-1/12
2 total stops
52h 45m total
Thailand to Chicago

Search Deals

เอทิฮัดแอร์เวย์
4/11-31/12
1 total stop
35h 45m total
Thailand to Chicago

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (฿264,733 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (฿57,151 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 22/9

12:40-20:45

1 stop20h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿17,895

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 6/10

16:30-06:34

3 stops50h 04m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿18,620

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 3/11

22:30-19:35

2 stops34h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,004

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Thu 21/1

17:00-23:59

2 stops43h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,894

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 10/11

17:00-23:59

2 stops43h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,894

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Fri 23/10

10:50-00:40

3 stops25h 50m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,026

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 9/12

10:55-22:20

2 stops24h 25m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,125

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 11/11

10:55-22:20

2 stops24h 25m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,125

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Fri 4/12

14:05-05:55

2 stops28h 50m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,158

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 28/2

19:10-15:05

2 stops56h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿22,015

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

BKK-ORD

CNX-ORD

BKK-MDW

DMK-ORD

USM-ORD

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

TH0-CHI

BKK-ORD

CNX-ORD

BKK-MDW

DMK-ORD

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 ฿34,044). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿50,885). 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 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Thailand to Chicago, such as Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very Good

1,220 reviews

Check prices

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

1,220 reviews

Korean Air

8.4

Very Good

1,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

How long is the flight from Thailand to Chicago?
Airlines like Thai Airways, เดลต้า, and Korean Air fly from Thailand to Chicago in about 20h 05m. The time it takes to get you to your destination can typically vary by up to 8h 08m. 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 most popular routes from Thailand to Chicago?
Most travellers choose Bangkok Suvarnabhumi - Chicago O'Hare Intl, Chiang Mai - Chicago O'Hare Intl or Chiang Mai - Chicago Midway 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 ฿34,044). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿50,885). 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

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Thailand to Chicago

Chiang Mai to O'Hare Intl flights

Chiang Mai to Midway flights

Ko Samui to O'Hare Intl flights

Phuket City to St. Louis flights

Top 6 airlines flying from Thailand to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Thai Airways	Cheapest฿28,164	Average฿55,126	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights
Korean Air	Cheapest฿32,036	Average฿33,900	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
ANA	Cheapest฿32,891	Average฿37,883	FlexibilityNo cancel fee	On-time80%	Search ANA flights
เดลต้า	Cheapest฿32,907	Average฿51,968	FlexibilityNo cancel fee	On-timeN/A	Search เดลต้า flights
EVA Air	Cheapest฿36,688	Average฿44,576	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Cathay Pacific	Cheapest฿40,397	Average฿59,189	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Fly with Cheapflights

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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Cheap flights from Thailand to Chicago from ฿13,248

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Thailand to Chicago

Cheapest flights from Thailand to ChicagoExplore 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 13 September 2026.

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 13 September 2026.

Best flights from Thailand to ChicagoDiscover carefully curated flight deals from Thailand to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from Thailand to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Thailand to ChicagoDiscover last-minute flight deals from Thailand to Chicago. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Thailand to Chicago. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Thailand to ChicagoSearch for one-way flight options from Thailand to Chicago. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from Thailand to Chicago. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Find flight deals from Thailand to Chicago

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Thailand to Chicago that are best for you.

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.

Cheapflights Insights

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

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 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Thailand to Chicago, such as Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Thailand to Chicago?

What are the most popular routes from Thailand to Chicago?

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

How can I find direct flights from Thailand to Chicago?

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

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

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.

Complete your trip

Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Thailand to Chicago by cabin class

Find flights from Thailand to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Thailand and Chicago flights

Browse other Thailand and Chicago flight options. Last updated on 13 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 6 airlines flying from Thailand to Chicago

Fly with Cheapflights

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

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

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

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

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Book With Flexibility

Travel Smart

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 13 September 2026.

Best flights from Thailand to Chicago
Discover carefully curated flight deals from Thailand to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Thailand to Chicago
Discover last-minute flight deals from Thailand to Chicago. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Thailand to Chicago
Search for one-way flight options from Thailand to Chicago. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.