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Cheap flights from Thailand to Chicago from ฿17,117

BKK — CHI
3 Oct — 10 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

Fri 2/1012:40 -
1 stop20h 05m
Sat 17/1000:30 -
1 stop22h 10m
Deal found 2/9฿27,155
Fri 6/1112:40 -
1 stop19h 55m
Fri 27/1123:30 -
1 stop22h 20m
Deal found 29/8฿27,222
Fri 30/1017:30 -
1 stop39h 05m
Sun 8/1123:30 -
1 stop22h 20m
Deal found 30/8฿27,288
Fri 9/1017:15 -
1 stop39h 30m
Sat 17/1000:30 -
1 stop22h 10m
Deal found 31/8฿27,321
Wed 14/1017:15 -
1 stop39h 30m
Tue 20/1000:30 -
1 stop33h 05m
Deal found 29/8฿27,355
Wed 21/1012:40 -
1 stop20h 05m
Wed 4/1123:30 -
1 stop28h 20m
Deal found 31/8฿27,388
Fri 2/1012:40 -
1 stop20h 05m
Fri 16/1000:30 -
1 stop22h 10m
Deal found 2/9฿27,654
Fri 4/917:15 -
1 stop39h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 29/8฿27,787
Thu 22/1012:40 -
1 stop20h 05m
Tue 3/1123:30 -
1 stop28h 20m
Deal found 31/8฿28,053
Mon 5/1017:15 -
1 stop39h 30m
Wed 14/1000:30 -
1 stop33h 05m
Deal found 31/8฿28,086
Tue 3/1109:10 -
1 stop35h 45m
Sat 7/1120:20 -
1 stop20h 45m
Deal found 2/9฿33,271
Mon 9/1123:15 -
2 stops26h 36m
Mon 23/1117:29 -
2 stops39h 01m
Deal found 2/9฿33,936

Find flight deals from Thailand to Chicago

Round-trip from

฿27,155

One-way from

฿17,117

Popular in

March

Cheapest in

October

Average price

฿39,952
Thai Airways
  • Thai Airways
  • 2/10-17/10
  • 2 total stops
  • 42h 15m total
  • Thailand to Chicago
Search Deals
Thai Airways
  • Thai Airways
  • 8/9
  • 1 total stop
  • 20h 05m total
  • Thailand to Chicago
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿278,101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿58,929 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 3/11

09:10-07:55

1 stop35h 45m

Chicago O'Hare Intl

Sat 7/11

20:20-06:05

1 stop20h 45m

฿33,271

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 19/10

23:30-09:30

1 stop22h 00m

Chicago O'Hare Intl

Wed 4/11

11:15-13:25

1 stop37h 10m

฿33,936

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Mon 9/11

23:15-12:51

2 stops26h 36m

Chicago Midway

Mon 23/11

17:29-21:30

2 stops39h 01m

฿33,936

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 2/10

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Sat 17/10

15:50-09:35

3 stops29h 45m

฿33,969

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 22/10

02:35-20:38

2 stops30h 03m

Chicago O'Hare Intl

Thu 5/11

07:00-00:45

2 stops28h 45m

฿34,002

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 20/10

02:35-20:38

2 stops30h 03m

Chicago O'Hare Intl

Sun 1/11

08:29-00:45

2 stops27h 16m

฿34,002

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 18/10

23:30-21:27

2 stops33h 57m

Chicago O'Hare Intl

Wed 4/11

05:27-00:45

2 stops30h 18m

฿34,002

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 2/12

21:30-10:59

2 stops26h 29m

Chicago O'Hare Intl

Sat 30/1

07:00-23:20

2 stops27h 20m

฿34,002

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 14/10

23:30-12:47

2 stops25h 17m

Chicago Midway

Wed 21/10

09:29-01:05

2 stops27h 36m

฿34,002

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 2/12

23:15-13:01

2 stops26h 46m

Chicago Midway

Sat 30/1

13:00-23:20

2 stops45h 20m

฿34,002

Flights are sorted by cheapest return flights first.

Deals found on 29/8

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 ฿34,335). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿51,319). 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

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

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

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

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
1,912 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

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, Korean Air, and เดลต้า fly from Thailand to Chicago in about 22h. The time it takes to get you to your destination can typically vary by up to 13h 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 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 ฿34,335). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿51,319). 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฿30,673Average฿55,597FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Korean AirCheapest฿32,309Average฿34,116FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,172Average฿38,460FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿33,188Average฿52,412FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿37,002Average฿44,956FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapest฿40,741Average฿59,694FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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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