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Cheap flights from Thailand to Chicago from ฿17,020

BKK — CHI
7 Oct — 14 Oct1
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

Tue 20/1012:40 -
1 stop20h 05m
Mon 26/1000:30 -
1 stop22h 20m
Deal found 5/9฿26,515
Fri 2/1012:40 -
1 stop20h 05m
Sat 17/1000:30 -
1 stop22h 10m
Deal found 2/9฿26,844
Fri 6/1108:10 -
1 stop24h 25m
Sun 17/123:30 -
1 stop22h 20m
Deal found 2/9฿27,238
Sun 18/1012:40 -
1 stop20h 05m
Sat 24/1000:30 -
1 stop22h 20m
Deal found 3/9฿27,337
Mon 2/1108:10 -
1 stop24h 25m
Sat 14/1123:30 -
1 stop22h 20m
Deal found 7/9฿27,534
Fri 4/912:40 -
1 stop20h 05m
Thu 24/900:30 -
1 stop33h 05m
Deal found 3/9฿27,698
Wed 30/908:15 -
1 stop24h 30m
Tue 6/1000:30 -
1 stop33h 05m
Deal found 2/9฿28,257
Sat 5/912:40 -
1 stop20h 05m
Fri 11/900:30 -
1 stop22h 10m
Deal found 4/9฿28,388
Sat 19/1217:30 -
1 stop39h 05m
Wed 30/1223:30 -
1 stop22h 20m
Deal found 7/9฿28,979
Fri 25/908:15 -
1 stop24h 30m
Sat 3/1000:30 -
1 stop28h 20m
Deal found 6/9฿29,111
Tue 3/1109:10 -
1 stop35h 45m
Sat 7/1120:20 -
1 stop20h 45m
Deal found 2/9฿32,889
Tue 29/910:10 -
2 stops34h 25m
Sun 8/1113:10 -
2 stops31h 15m
Deal found 5/9฿33,152

Find flight deals from Thailand to Chicago

Round-trip from

฿26,515

One-way from

฿17,020

Popular in

March

Cheapest in

October

Average price

฿39,494
Thai Airways
  • Thai Airways
  • 20/10-26/10
  • 2 total stops
  • 42h 25m total
  • Thailand to Chicago
Search Deals
Thai Airways
  • Thai Airways
  • 23/10-31/12
  • 1 total stop
  • 20h 05m total
  • Thailand to Chicago
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿271,756 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿57,565 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 20/10

06:35-06:34

3 stops59h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿18,137

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Wed 21/10

06:35-06:34

3 stops35h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿18,958

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Sun 18/10

07:00-06:34

3 stops59h 34m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,352

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 29/9

01:35-00:23

3 stops34h 48m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,240

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

฿20,700

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Fri 23/10

10:50-00:15

2 stops25h 25m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,995

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 14/10

17:30-05:50

2 stops24h 20m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,028

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Sun 4/10

17:30-05:50

2 stops24h 20m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,127

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 23/9

13:20-05:55

2 stops28h 35m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,127

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Tue 8/12

17:50-12:10

2 stops31h 20m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,127

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 ฿33,941). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿50,730). 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 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

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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
1,910 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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

  • How long is the flight from Thailand to Chicago?

    Airlines like เอทิฮัดแอร์เวย์, เดลต้า, and United Airlines fly from Thailand to Chicago in about 19h 40m. The time it takes to get you to your destination can typically vary by up to 21h 40m. 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 ฿33,941). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿50,730). 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 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

AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest฿30,321Average฿54,959FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Korean AirCheapest฿31,939Average฿33,725FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿32,792Average฿38,019FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿32,807Average฿51,811FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿36,577Average฿44,441FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapest฿40,274Average฿59,010FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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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