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Cheap flights from Bangkok to Chicago from ฿22,047

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 30/8. 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 Bangkok to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Chicago
Explore the most affordable flight options available from Bangkok 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
Wed 16/912:40 -
1 stop20h 05m
Sat 26/900:30 -
1 stop22h 10m
Deal found 12/8฿26,152
Thu 3/917:15 -
1 stop39h 30m
Tue 15/900:30 -
1 stop33h 05m
Deal found 15/8฿26,550
Fri 4/912:40 -
1 stop20h 05m
Thu 1/1000:30 -
1 stop22h 10m
Deal found 12/8฿26,649
Thu 10/908:15 -
1 stop24h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 12/8฿27,013
Sun 6/908:15 -
1 stop24h 30m
Tue 15/900:30 -
1 stop22h 10m
Deal found 12/8฿27,146
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 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
Mon 28/909:50 -
2 stops24h 54m
Mon 5/1009:29 -
2 stops24h 16m
Deal found 14/8฿39,692

Find flight deals from Bangkok to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 August 2026.

Round-trip from

฿25,689

One-way from

฿22,047

Popular in

March

Cheapest in

October

Average price

฿39,030
Thai Airways
  • Thai Airways
  • 30/9-6/10
  • 2 total stops
  • 53h 10m total
  • Bangkok to Chicago
Search Deals
30/8
  • 30/8
  • 3 total stops
  • 46h 27m total
  • Bangkok 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 Bangkok 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 Bangkok 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

Tue 27/10

00:55-09:30

1 stop20h 35m

Chicago O'Hare Intl

Sun 1/11

11:15-13:25

1 stop37h 10m

฿33,932

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 20/12

21:30-20:24

2 stops35h 54m

Chicago O'Hare Intl

Thu 31/12

15:35-13:25

2 stops32h 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

Fri 4/9

09:50-21:33

2 stops23h 43m

Chicago O'Hare Intl

Fri 2/10

07:05-01:05

2 stops30h 00m

฿34,031

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

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

฿34,031

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Tue 15/9

02:35-22:44

2 stops32h 09m

Chicago Midway

Sun 27/9

09:59-23:35

2 stops25h 36m

฿34,031

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 58 resultsSorted by cheapest first
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Best time to book a flight from Bangkok to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Bangkok 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 Bangkok to Chicago

What is the cheapest month to book a flight from Bangkok to Chicago?

Currently, January is the cheapest month in which you can book a flight from Bangkok to Chicago (average of ฿34,197). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,828). 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 much does it cost for a return flight from Bangkok to Chicago?

Airfare is below average for this route at the moment.
Bangkok to Chicago flights typically cost between ฿35,918 and ฿58,893 in September.
The cheapest return price found within the last 5 days was ฿25,689 on Thai Airways (30 Sep–6 Oct).

How far ahead should I book a flight from Bangkok to Chicago?

To ensure you get the cheapest price possible for a flight from Bangkok to Chicago, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 Bangkok 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

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

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

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

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
1,905 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

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 Bangkok 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 Bangkok to Chicago?

    There are many flights that can get you from Bangkok to Chicago in 20h 35m. Fly via Korean Air, เดลต้า, or Emirates to get the fastest option. The distance between Bangkok and Chicago is about 13752 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bangkok to Chicago round-trip?

    Flying on Korean Air is currently your cheapest option to Chicago, with prices starting at ฿32,180. Additional round-trip tickets that might be worth considering are offered by ANA and เดลต้า, with the lowest prices starting at ฿33,039 and ฿33,054, respectively. Korean Air is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Bangkok to Chicago?

    The most popular flight routes from Bangkok to Chicago are Bangkok Suvarnabhumi - Chicago O'Hare Intl, Bangkok Don Mueang Intl - Chicago O'Hare Intl and Bangkok Suvarnabhumi - Chicago Midway.

  • Can I find deals for flights from Bangkok to Chicago that include hotel bookings?

    Yes. In addition to deals on Bangkok to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Chicago.

  • Can I find deals for business class flights from Bangkok to Chicago?

    Yes. Cheapflights offers flight deals from Bangkok 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 Bangkok to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Bangkok to Chicago (average of ฿34,197). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,828). 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

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Alternative routes for Bangkok 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 5 airlines flying from Bangkok to Chicago

Discover the top 5 airlines that operate flights from Bangkok 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
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 Bangkok to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Bangkok to Chicago. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Chicago?

Cheapflights helps you find that perfect flight to Chicago from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Bangkok to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Bangkok to Chicago become cheaper?

Yes, Cheapflights offers price alerts on Bangkok to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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