Find flights
When to book
Airlines
FAQs

Cheap flights from Bangkok to Chicago from ฿17,296

BKK — CHI
29 Sep — 6 Oct1
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

Fri 11/912:40 -
1 stop20h 05m
Thu 24/900:30 -
1 stop33h 05m
Deal found 27/8฿25,281
Fri 6/1112:40 -
1 stop19h 55m
Fri 27/1123:30 -
1 stop22h 20m
Deal found 29/8฿27,137
Sat 21/1108:15 -
1 stop24h 20m
Sat 28/1123:30 -
1 stop22h 20m
Deal found 27/8฿27,203
Wed 14/1017:15 -
1 stop39h 30m
Tue 20/1000:30 -
1 stop33h 05m
Deal found 29/8฿27,269
Wed 21/1012:40 -
1 stop20h 05m
Mon 26/1000:30 -
1 stop22h 20m
Deal found 26/8฿27,302
Tue 22/912:40 -
1 stop20h 05m
Mon 28/900:30 -
1 stop22h 10m
Deal found 25/8฿27,435
Fri 4/917:15 -
1 stop39h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 27/8฿27,667
Tue 22/908:15 -
1 stop24h 30m
Fri 2/1000:30 -
1 stop22h 10m
Deal found 26/8฿27,833
Wed 14/1023:30 -
2 stops25h 17m
Wed 21/1009:29 -
2 stops27h 36m
Deal found 29/8฿33,896
Sun 11/1021:40 -
2 stops50h 07m
Sun 25/1017:31 -
2 stops39h 59m
Deal found 26/8฿34,161
Sat 26/907:30 -
2 stops25h 15m
Fri 2/1000:30 -
2 stops34h 35m
Deal found 26/8฿34,227
Thu 10/902:35 -
2 stops32h 09m
Fri 25/909:29 -
2 stops24h 16m
Deal found 27/8฿34,261

Find flight deals from Bangkok to Chicago

Round-trip from

฿25,281

One-way from

฿17,296

Popular in

March

Cheapest in

October

Average price

฿35,950
Thai Airways
  • Thai Airways
  • 11/9-24/9
  • 2 total stops
  • 53h 10m total
  • Bangkok to Chicago
Search Deals
Thai Airways
  • Thai Airways
  • 16/10
  • 1 total stop
  • 20h 05m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿276,383 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿58,536 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 10/9

09:15-08:35

1 stop35h 20m

Chicago O'Hare Intl

Mon 14/9

14:00-23:55

1 stop21h 55m

฿33,333

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 14/10

21:40-16:32

2 stops30h 52m

Chicago O'Hare Intl

Wed 21/10

09:59-01:05

2 stops27h 06m

฿33,896

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

฿33,896

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 14/10

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Wed 21/10

14:00-09:35

2 stops31h 35m

฿33,929

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 22/9

09:50-23:59

2 stops26h 09m

Chicago O'Hare Intl

Sat 3/10

17:44-21:45

2 stops40h 01m

฿34,327

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 30/10

00:55-22:05

2 stops33h 10m

Chicago O'Hare Intl

Sat 7/11

06:35-00:45

2 stops29h 10m

฿34,360

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 6/11

16:55-05:20

2 stops25h 25m

Chicago O'Hare Intl

Fri 27/11

15:47-05:10

2 stops48h 23m

฿34,393

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 11/12

16:55-16:25

3 stops36h 30m

Chicago O'Hare Intl

Sun 3/1

06:00-11:30

2 stops40h 30m

฿34,393

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 9/9

09:35-23:17

2 stops25h 42m

Chicago O'Hare Intl

Sun 13/9

16:40-09:35

2 stops28h 55m

฿34,492
Fastest return journey

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 15/9

07:00-17:05

2 stops22h 05m

Chicago O'Hare Intl

Tue 6/10

17:45-04:35

1 stop22h 50m

฿35,950

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 58 resultsSorted by cheapest first
1
2
3
...
6

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 ฿34,227). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,876). 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 ฿36,547 and ฿41,815 in September.
The cheapest return price found within the last 5 days was ฿25,281 on Thai Airways (11 Sep–24 Sep).

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 79 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
1,219 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

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
1,219 reviews
Korean Air
8.4
Very Good
1,219 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

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
1,911 reviews
Korean Air
8.4
Very Good
1,219 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

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 เอทิฮัดแอร์เวย์, 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 ฿32,209. Additional round-trip tickets that might be worth considering are offered by ANA and เดลต้า, with the lowest prices starting at ฿33,069 and ฿33,084, respectively. Korean Air is priced at 20% 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 Suvarnabhumi - Chicago Midway and Bangkok Don Mueang Intl - Chicago O'Hare Intl.

  • 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 ฿34,227). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,876). 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
Chiang Mai to Midway flights
Ko Samui to O'Hare Intl flights
Phuket City to St. Louis flights

Top 5 airlines flying from Bangkok to Chicago

AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest฿30,577Average฿55,424FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Korean AirCheapest฿32,209Average฿34,010FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿33,069Average฿38,340FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿33,084Average฿52,249FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
Cathay PacificCheapest฿40,614Average฿59,508FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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.

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.