Find flights
When to book
Airlines
FAQs

Cheap flights from Thailand to Chicago from ฿16,883

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CHI
16 Sep — 23 Sep1
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 17 August 2026.

Wed 30/912:40 -
1 stop20h 05m
Tue 6/1000:30 -
1 stop33h 05m
Deal found 16/8฿25,689
Thu 3/917:15 -
1 stop39h 30m
Tue 15/900:30 -
1 stop33h 05m
Deal found 15/8฿26,550
Thu 1/1008:15 -
1 stop24h 30m
Wed 7/1000:30 -
1 stop33h 05m
Deal found 17/8฿26,914
Fri 4/912:40 -
1 stop20h 05m
Thu 1/1000:30 -
1 stop33h 05m
Deal found 14/8฿27,112
Sun 6/908:15 -
1 stop24h 30m
Tue 15/900:30 -
1 stop22h 10m
Deal found 12/8฿27,146
Sun 6/912:40 -
1 stop20h 05m
Tue 15/900:30 -
1 stop22h 10m
Deal found 15/8฿27,179
Sat 5/902:35 -
2 stops32h 01m
Wed 16/909:59 -
2 stops27h 06m
Deal found 15/8฿33,965
Tue 29/902:35 -
2 stops32h 09m
Fri 30/1006:04 -
2 stops30h 41m
Deal found 14/8฿33,998
Tue 1/1223:15 -
2 stops26h 20m
Fri 29/117:59 -
2 stops41h 46m
Deal found 13/8฿34,031
Tue 6/1021:10 -
2 stops34h 56m
Tue 3/1108:49 -
2 stops41h 51m
Deal found 13/8฿37,077
Tue 29/909:50 -
2 stops24h 54m
Thu 29/1006:04 -
2 stops29h 16m
Deal found 14/8฿37,474
Sun 27/921:40 -
2 stops37h 04m
Sun 4/1006:05 -
2 stops31h 00m
Deal found 13/8฿37,540

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 17 August 2026.

Round-trip from

฿25,689

One-way from

฿16,883

Popular in

March

Cheapest in

October

Average price

฿39,030
Thai Airways
  • Thai Airways
  • 30/9-6/10
  • 2 total stops
  • 53h 10m total
  • Thailand to Chicago
Search Deals
9/11
  • 9/11
  • 2 total stops
  • 47h 34m total
  • Thailand to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (฿267,293 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿57,692 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 17 August 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 Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 14/9

09:35-15:05

1 stop41h 30m

Chicago O'Hare Intl

Mon 21/9

19:50-09:35

2 stops25h 45m

฿33,965

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 11/9

02:35-23:57

2 stops33h 22m

Chicago O'Hare Intl

Sat 19/9

13:51-13:35

2 stops35h 44m

฿33,965

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 7/9

23:30-20:56

2 stops33h 26m

Chicago O'Hare Intl

Mon 14/9

07:05-01:05

2 stops30h 00m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 30/9

09:50-23:57

2 stops26h 07m

Chicago O'Hare Intl

Wed 7/10

09:59-23:35

2 stops25h 36m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 27/9

02:35-23:57

2 stops33h 22m

Chicago O'Hare Intl

Mon 5/10

07:05-01:05

2 stops30h 00m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 18/12

00:55-23:46

2 stops35h 51m

Chicago O'Hare Intl

Mon 4/1

05:30-23:20

2 stops28h 50m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 30/9

02:35-22:44

2 stops32h 09m

Chicago Midway

Tue 13/10

10:01-23:35

2 stops25h 34m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Tue 29/9

02:35-22:44

2 stops32h 09m

Chicago Midway

Wed 7/10

09:29-23:35

2 stops26h 06m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Tue 29/9

23:30-12:39

2 stops25h 09m

Chicago Midway

Sat 31/10

09:29-00:45

2 stops27h 16m

฿33,998

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sat 5/9

02:35-21:33

2 stops30h 58m

Chicago O'Hare Intl

Wed 16/9

07:05-21:45

2 stops26h 40m

฿34,031

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, January is the cheapest month in which you can book a flight from Thailand to Chicago (average of ฿34,197). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿51,113). 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 81 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 17 August 2026.
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

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

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

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

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
1,904 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

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

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 United Airlines, เดลต้า, and แอร์แคนาดา fly from Thailand to Chicago in about 33h 22m. 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, 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 ฿34,197). Flying from Thailand to Chicago in March is currently the most expensive (average of ฿51,113). 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
Chiang Mai to Midway flights
Phuket City to St. Louis flights
Ko Samui to O'Hare Intl 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 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿32,180Average฿34,035FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,039Average฿38,306FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿33,054Average฿52,202FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿36,213Average฿36,213FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest฿37,652Average฿55,374FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Cathay PacificCheapest฿40,578Average฿59,455FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.