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Cheap flights from Bangkok to Chicago from ฿18,107

BKK — CHI
21 Sep — 28 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

Wed 14/1008:15 -
1 stop24h 30m
Thu 29/1000:30 -
1 stop33h 15m
Deal found 20/8฿26,245
Thu 3/912:40 -
1 stop20h 05m
Tue 15/900:30 -
1 stop22h 10m
Deal found 17/8฿26,736
Mon 5/1017:15 -
1 stop39h 30m
Sun 21/300:30 -
1 stop28h 20m
Deal found 21/8฿26,768
Wed 2/908:15 -
1 stop24h 30m
Sat 27/223:30 -
1 stop22h 20m
Deal found 17/8฿26,801
Sun 6/912:40 -
1 stop20h 05m
Tue 15/900:30 -
1 stop22h 10m
Deal found 18/8฿26,834
Sun 20/917:15 -
1 stop39h 30m
Sat 26/900:30 -
1 stop22h 10m
Deal found 21/8฿26,866
Thu 1/1012:40 -
1 stop20h 05m
Wed 14/1000:30 -
1 stop28h 20m
Deal found 18/8฿26,899
Mon 21/912:40 -
1 stop20h 05m
Sun 27/900:30 -
1 stop22h 10m
Deal found 22/8฿26,964
Sat 3/1008:15 -
1 stop24h 30m
Fri 9/1000:30 -
1 stop33h 05m
Deal found 19/8฿26,997
Fri 4/917:15 -
1 stop39h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 18/8฿27,030
Tue 15/902:35 -
2 stops32h 09m
Wed 30/909:29 -
2 stops27h 36m
Deal found 19/8฿33,665
Sat 5/902:35 -
2 stops32h 01m
Wed 16/909:59 -
2 stops27h 06m
Deal found 18/8฿33,697

Find flight deals from Bangkok to Chicago

Round-trip from

฿26,245

One-way from

฿18,107

Popular in

March

Cheapest in

October

Average price

฿38,534
Thai Airways
  • Thai Airways
  • 14/10-29/10
  • 2 total stops
  • 57h 45m total
  • Bangkok to Chicago
Search Deals
24/10
  • 24/10
  • 2 total stops
  • 41h 24m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (฿260,540 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿56,234 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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
Fastest return journey

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 3/9

12:40-20:45

1 stop20h 05m

Chicago O'Hare Intl

Tue 15/9

00:30-10:40

1 stop22h 10m

฿26,736

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 7/9

17:15-20:45

1 stop39h 30m

Chicago O'Hare Intl

Sun 13/9

00:30-10:40

1 stop22h 10m

฿28,043

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

฿33,567

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 4/9

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Fri 25/9

15:00-09:35

2 stops30h 35m

฿33,665

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 15/9

02:35-21:33

2 stops30h 58m

Chicago O'Hare Intl

Wed 30/9

08:55-01:05

2 stops28h 10m

฿33,665

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 25/11

09:40-21:34

2 stops24h 54m

Chicago O'Hare Intl

Tue 1/12

07:35-23:20

2 stops26h 45m

฿33,665

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Tue 15/9

02:35-22:44

2 stops32h 09m

Chicago Midway

Wed 30/9

09:29-01:05

2 stops27h 36m

฿33,665

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Sat 5/9

02:35-22:36

2 stops32h 01m

Chicago Midway

Wed 16/9

09:59-01:05

2 stops27h 06m

฿33,697

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 4/10

09:35-15:05

1 stop41h 30m

Chicago O'Hare Intl

Sun 11/10

07:00-04:35

2 stops33h 35m

฿33,763

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Mon 21/12

23:15-20:24

2 stops34h 09m

Chicago O'Hare Intl

Sun 3/1

05:30-23:20

2 stops28h 50m

฿33,763

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 60 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

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 ฿33,763). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,144). 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 ฿35,756 and ฿49,696 in October.
The cheapest return price found within the last 5 days was ฿26,245 on Thai Airways (14 Oct–29 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 80 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

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

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

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

Crew

8.7

Entertainment

8.2

Overall

8.4

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
1,908 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

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 Bangkok to Chicago?

    There are many flights that can get you from Bangkok to Chicago in 19h 55m. Fly via Thai Airways, เดลต้า, or United Airlines 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 ฿31,771. Additional round-trip tickets that might be worth considering are offered by ANA and เดลต้า, with the lowest prices starting at ฿32,620 and ฿32,635, 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 ฿33,763). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,144). 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 Bangkok to Chicago

Chiang Mai to O'Hare Intl flights
Phuket City to St. Louis flights
Chiang Mai to Midway flights
Ko Samui to O'Hare Intl flights

Top 5 airlines flying from Bangkok to Chicago

AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿31,771Average฿33,603FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿32,620Average฿37,819FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿32,635Average฿51,539FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
Thai AirwaysCheapest฿37,174Average฿54,671FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Cathay PacificCheapest฿40,063Average฿58,700FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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