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Cheap flights from Thailand to Chicago from ฿20,691

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CHI
8 Aug — 15 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 9 July 2026.

Thu 3/923:30
BKK
-
ORD
1 stop22h 00m
Korean Air
Wed 16/912:10
ORD
-
BKK
1 stop21h 35m
Korean Air
Deal found 9/7฿33,560
Tue 20/1023:30
BKK
-
ORD
1 stop22h 00m
Korean Air
Tue 8/1211:15
ORD
-
BKK
1 stop24h 30m
Korean Air
Deal found 8/7฿33,660
Sat 12/909:35
BKK
-
ORD
1 stop41h 20m
ANA
Sun 20/917:45
ORD
-
BKK
1 stop24h 10m
ANA
Deal found 9/7฿33,928
Thu 3/902:35
BKK
-
ORD
2 stops30h 58m
เดลต้า
Fri 25/907:05
ORD
-
BKK
2 stops30h 00m
เดลต้า
Deal found 9/7฿33,961
Thu 3/921:40
BKK
-
MDW
2 stops32h 53m
เดลต้า
Wed 16/909:59
MDW
-
BKK
2 stops25h 36m
เดลต้า
Deal found 9/7฿33,961
Tue 15/921:40
BKK
-
ORD
1 stop23h 50m
Korean Air
Tue 6/1012:10
ORD
-
BKK
1 stop24h 55m
Korean Air
Deal found 9/7฿34,028
Thu 3/907:00
BKK
-
ORD
1 stop19h 55m
United Airlines
Wed 16/915:00
ORD
-
BKK
2 stops30h 35m
United Airlines
Deal found 9/7฿34,128
Fri 4/909:50
BKK
-
ORD
1 stop35h 40m
Korean Air
Fri 25/912:10
ORD
-
BKK
1 stop24h 55m
Korean Air
Deal found 8/7฿34,162
Sat 12/909:35
BKK
-
ORD
2 stops25h 54m
United Airlines
Sun 20/915:56
ORD
-
BKK
3 stops29h 39m
United Airlines
Deal found 9/7฿34,228
Fri 4/907:00
BKK
-
ORD
1 stop19h 55m
United Airlines
Fri 25/911:50
ORD
-
BKK
1 stop24h 05m
United Airlines
Deal found 9/7฿34,262
Fri 4/909:50
BKK
-
MDW
2 stops24h 46m
เดลต้า
Sat 19/909:29
MDW
-
BKK
2 stops26h 06m
เดลต้า
Deal found 6/7฿34,329
Mon 13/709:50
BKK
-
MDW
2 stops24h 25m
เดลต้า
Tue 13/1009:29
MDW
-
BKK
2 stops24h 16m
เดลต้า
Deal found 8/7฿35,097

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 9 July 2026.

Round-trip from

฿33,493

One-way from

฿20,691

Popular in

March

Cheapest in

February

Average price

฿38,641
Korean Air
  • Korean Air
  • 22/10-4/11
  • 2 total stops
  • 60h 10m total
  • Thailand to Chicago
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 43h 57m total
  • Thailand to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿256,135 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿59,942 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 9 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

Thu 3/9

02:35-21:33

2 stops30h 58m

Chicago O'Hare Intl

Fri 25/9

07:05-01:05

2 stops30h 00m

฿33,961

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 21/10

02:35-22:25

2 stops31h 50m

Chicago Midway

Wed 4/11

18:45-23:20

2 stops39h 35m

฿33,961

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Thu 3/9

21:40-18:33

2 stops32h 53m

Chicago Midway

Wed 16/9

09:59-23:35

2 stops25h 36m

฿33,961

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 14/9

09:50-09:30

1 stop35h 40m

Chicago O'Hare Intl

Wed 20/1

11:25-13:25

1 stop37h 00m

฿34,095

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 15/9

09:50-21:52

2 stops24h 02m

Chicago O'Hare Intl

Tue 6/10

08:55-01:05

2 stops28h 10m

฿34,095

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 4/9

09:50-09:30

1 stop35h 40m

Chicago O'Hare Intl

Sat 19/9

12:10-21:45

1 stop21h 35m

฿34,195

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 21/10

23:30-21:00

2 stops33h 30m

Chicago O'Hare Intl

Mon 7/12

05:30-00:45

2 stops30h 15m

฿34,329

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Fri 6/11

21:30-12:48

2 stops28h 18m

Chicago Midway

Sun 8/11

13:00-13:25

2 stops35h 25m

฿34,329

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 19/8

15:45-19:30

3 stops39h 45m

Chicago O'Hare Intl

Thu 27/8

17:51-09:35

3 stops27h 44m

฿34,563

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 4/9

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Fri 25/9

19:45-09:35

2 stops25h 50m

฿37,103

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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, February is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿12,435). Flying from Thailand to Chicago in April is currently the most expensive (average of ฿33,326). 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 57 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 9 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

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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
1,868 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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
1,271 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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 เดลต้า, Korean Air, 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 14h 30m. 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 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 (฿14,906), Thai Airways (฿19,339), and ANA (฿22,263).

  • 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, February is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿12,435). Flying from Thailand to Chicago in April is currently the most expensive (average of ฿33,326). 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
Ko Samui to O'Hare Intl flights
Phuket City to St. Louis flights
Chiang Mai to Midway 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 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿32,493Average฿34,366FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿33,376Average฿52,709FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿35,636Average฿39,859FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
ANACheapest฿35,775Average฿38,678FlexibilityNo cancel feeOn-time80%
Search ANA flights
Thai AirwaysCheapest฿38,018Average฿55,912FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Cathay PacificCheapest฿40,972Average฿60,033FlexibilityNo 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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