How long is the flight from Thailand to Chicago?

Airlines like เดลต้า, United Airlines, and EVA Air fly from Thailand to Chicago in about 21h 10m. The time it takes to get you to your destination can typically vary by up to 28h 57m. There are 13214 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, Bangkok Don Mueang Intl - Chicago O'Hare Intl or Bangkok Suvarnabhumi - 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, Korean Air and ANA. 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.

฿17,143+ 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 28 August 2026.

Fri 11/912:40 -

1 stop20h 05m

Thu 24/900:30 -

1 stop33h 05m

Deal found 27/8฿25,057

Tue 1/917:15 -

1 stop39h 30m

Mon 14/900:30 -

1 stop22h 10m

Deal found 24/8฿27,061

Tue 22/912:40 -

1 stop20h 05m

Mon 28/900:30 -

1 stop22h 10m

Deal found 25/8฿27,192

Fri 4/917:15 -

1 stop39h 30m

Thu 24/900:30 -

1 stop33h 05m

Deal found 23/8฿27,356

Fri 9/1017:15 -

1 stop39h 30m

Thu 15/1000:30 -

1 stop22h 10m

Deal found 24/8฿27,455

Thu 8/1017:15 -

1 stop39h 30m

Fri 16/1000:30 -

1 stop28h 20m

Deal found 23/8฿27,553

Wed 7/1012:40 -

1 stop20h 05m

Tue 13/1000:30 -

1 stop22h 10m

Deal found 24/8฿27,652

Fri 25/908:00 -

2 stops24h 45m

Thu 1/1000:30 -

2 stops42h 55m

Deal found 27/8฿32,644

Thu 5/1109:10 -

1 stop35h 45m

Sat 7/1113:10 -

1 stop27h 55m

Deal found 27/8฿33,202

Mon 7/908:00 -

2 stops24h 45m

Thu 1/1000:30 -

2 stops46h 50m

Deal found 27/8฿33,793

Sun 11/1021:40 -

2 stops50h 07m

Sun 25/1017:31 -

2 stops39h 59m

Deal found 26/8฿33,859

Sat 26/907:30 -

2 stops25h 15m

Fri 2/1000:30 -

2 stops34h 35m

Deal found 26/8฿33,924

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 28 August 2026.

Fri 25/908:00 -

2 stops24h 45m

Thu 1/1000:30 -

2 stops42h 55m

Deal found 27/8฿32,644

Tue 22/909:50 -

2 stops26h 09m

Sat 3/1017:44 -

2 stops40h 01m

Deal found 26/8฿34,023

Wed 9/909:35 -

2 stops25h 42m

Sun 13/916:40 -

2 stops28h 55m

Deal found 25/8฿34,187

Tue 6/1011:35 -

1 stop21h 10m

Tue 3/1123:30 -

1 stop22h 05m

Deal found 26/8฿41,051

Wed 4/1100:15 -

1 stop21h 15m

Sat 7/1106:35 -

2 stops27h 20m

Deal found 27/8฿44,565

Wed 9/923:55 -

1 stop28h 00m

Sun 13/920:35 -

1 stop26h 35m

Deal found 25/8฿48,210

Tue 6/1013:00 -

3 stops38h 40m

Tue 13/1014:00 -

3 stops38h 50m

Deal found 26/8฿61,642

Fri 30/1000:55 -

2 stops33h 10m

Sat 7/1106:35 -

2 stops29h 10m

Deal found 25/8฿34,056

Wed 16/909:35 -

2 stops25h 42m

Wed 23/914:32 -

3 stops31h 03m

Deal found 23/8฿34,450

Wed 7/1008:00 -

2 stops24h 45m

Tue 13/1000:30 -

2 stops25h 20m

Deal found 23/8฿34,680

Mon 14/909:50 -

2 stops24h 05m

Sun 18/1006:20 -

2 stops30h 45m

Deal found 23/8฿34,286

Tue 13/1015:45 -

3 stops32h 40m

Fri 23/1018:06 -

2 stops29h 24m

Deal found 26/8฿34,450

Fri 11/910:50 -

2 stops31h 00m

Fri 25/917:55 -

2 stops27h 50m

Deal found 25/8฿36,617

Mon 14/902:35 -

2 stops30h 21m

Tue 20/1005:27 -

2 stops31h 38m

Deal found 23/8฿34,286

Wed 25/1116:55 -

2 stops32h 20m

Tue 1/1210:30 -

1 stop23h 20m

Deal found 26/8฿34,614

Mon 7/911:35 -

1 stop21h 10m

Thu 1/1000:30 -

2 stops25h 15m

Deal found 27/8฿42,102

Thu 10/902:35 -

2 stops32h 09m

Fri 25/909:29 -

2 stops24h 16m

Deal found 24/8฿34,286

Fri 25/911:35 -

1 stop21h 10m

Thu 1/1000:30 -

2 stops25h 15m

Deal found 27/8฿42,890

Wed 30/923:50 -

1 stop27h 55m

Tue 6/1020:35 -

1 stop36h 10m

Deal found 24/8฿48,604

Wed 30/915:45 -

3 stops27h 40m

Tue 6/1005:59 -

2 stops29h 56m

Deal found 24/8฿36,552

Wed 7/1010:50 -

2 stops25h 00m

Wed 14/1016:45 -

3 stops29h 00m

Deal found 24/8฿40,460

Wed 16/909:50 -

2 stops24h 54m

Wed 23/909:59 -

2 stops27h 06m

Deal found 23/8฿34,286

Fri 9/1020:00 -

2 stops36h 45m

Mon 12/1006:00 -

2 stops40h 25m

Deal found 27/8฿43,744

Sun 11/1023:50 -

1 stop27h 55m

Wed 21/1020:35 -

1 stop26h 35m

Deal found 24/8฿49,754

Sat 31/1007:10 -

1 stop19h 40m

Sat 7/1116:39 -

2 stops29h 51m

Deal found 25/8฿37,504

Fri 9/1011:35 -

1 stop21h 10m

Mon 12/1006:00 -

2 stops40h 25m

Deal found 26/8฿41,314

Thu 5/1111:50 -

2 stops31h 09m

Sat 7/1115:47 -

2 stops29h 48m

Deal found 27/8฿44,959

Sat 21/1123:15 -

2 stops25h 44m

Sat 28/1106:00 -

2 stops29h 45m

Deal found 27/8฿37,406

Sat 10/1023:50 -

1 stop27h 55m

Wed 21/1020:35 -

1 stop26h 35m

Deal found 24/8฿50,410

Mon 7/911:20 -

2 stops30h 25m

Fri 2/1011:55 -

2 stops34h 25m

Deal found 27/8฿44,499

Find flight deals from Thailand to Chicago

Round-trip from	฿25,057
One-way from	฿17,143
Popular in	March
Cheapest in	October
Average price	฿38,719

Thai Airways
11/9-24/9
2 total stops
53h 10m total
Thailand to Chicago

Search Deals

Thai Airways
16/10
1 total stop
20h 05m total
Thailand to Chicago

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (฿263,051 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (฿56,751 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Fri 25/9

08:00-20:45

2 stops24h 45m

Chicago O'Hare Intl

Thu 1/10

00:30-07:25

2 stops42h 55m

฿32,644

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 22/9

09:50-23:59

2 stops26h 09m

Chicago O'Hare Intl

Sat 3/10

17:44-21:45

2 stops40h 01m

฿34,023

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 30/10

00:55-22:05

2 stops33h 10m

Chicago O'Hare Intl

Sat 7/11

06:35-00:45

2 stops29h 10m

฿34,056

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 9/9

09:35-23:17

2 stops25h 42m

Chicago O'Hare Intl

Sun 13/9

16:40-09:35

2 stops28h 55m

฿34,187

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 14/9

09:50-21:55

2 stops24h 05m

Chicago O'Hare Intl

Sun 18/10

06:20-01:05

2 stops30h 45m

฿34,286

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 14/9

02:35-20:56

2 stops30h 21m

Chicago O'Hare Intl

Tue 20/10

05:27-01:05

2 stops31h 38m

฿34,286

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Thu 10/9

02:35-22:44

2 stops32h 09m

Chicago Midway

Fri 25/9

09:29-21:45

2 stops24h 16m

฿34,286

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 16/9

09:50-22:44

2 stops24h 54m

Chicago Midway

Wed 23/9

09:59-01:05

2 stops27h 06m

฿34,286

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 16/9

09:35-23:17

2 stops25h 42m

Chicago O'Hare Intl

Wed 23/9

14:32-09:35

3 stops31h 03m

฿34,450

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 13/10

15:45-12:25

3 stops32h 40m

Chicago O'Hare Intl

Fri 23/10

18:06-11:30

2 stops29h 24m

฿34,450

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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

DMK-ORD

BKK-MDW

CNX-MDW

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

DMK-ORD

BKK-MDW

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 ฿33,924). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿50,706). 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 80 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 and Japan Airlines. 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

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

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Japan Airlines

8.3

Very Good

1,908 reviews

Korean Air

8.4

Very Good

1,221 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 เดลต้า, United Airlines, and EVA Air fly from Thailand to Chicago in about 21h 10m. The time it takes to get you to your destination can typically vary by up to 28h 57m. There are 13214 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, Bangkok Don Mueang Intl - Chicago O'Hare Intl or Bangkok Suvarnabhumi - 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 ฿33,924). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿50,706). 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
Korean Air	Cheapest฿31,923	Average฿33,764	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
ANA	Cheapest฿32,776	Average฿38,001	FlexibilityNo cancel fee	On-time80%	Search ANA flights
เดลต้า	Cheapest฿32,791	Average฿51,786	FlexibilityNo cancel fee	On-timeN/A	Search เดลต้า flights
EVA Air	Cheapest฿36,560	Average฿44,419	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Thai Airways	Cheapest฿37,080	Average฿54,933	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights
Cathay Pacific	Cheapest฿40,255	Average฿58,981	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 ฿17,143

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 16/10. 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 28 August 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 28 August 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 28 August 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 28 August 2026.

Last-minute flights from Thailand to ChicagoDiscover last-minute flight deals from Thailand to Chicago. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from Thailand to Chicago. Data last updated 28 August 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 28 August 2026.

Search for one-way flight options from Thailand to Chicago. Find affordable one-way fares based on user searches. Data last updated 28 August 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 80 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 and Japan Airlines. 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 28 August 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 28 August 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 28 August 2026.

Last-minute flights from Thailand to Chicago
Discover last-minute flight deals from Thailand to Chicago. Data last updated 28 August 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 28 August 2026.