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Cheap flights from Bangkok to Chicago from ฿17,028

BKK — CHI
8 Oct — 15 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

Tue 20/1012:40 -
1 stop20h 05m
Mon 26/1000:30 -
1 stop22h 20m
Deal found 5/9฿26,528
Fri 2/1012:40 -
1 stop20h 05m
Sat 17/1000:30 -
1 stop22h 10m
Deal found 4/9฿27,120
Sun 18/1012:40 -
1 stop20h 05m
Sat 24/1000:30 -
1 stop22h 20m
Deal found 3/9฿27,350
Thu 15/1012:40 -
1 stop20h 05m
Tue 27/1000:30 -
1 stop22h 20m
Deal found 8/9฿27,547
Fri 23/1012:40 -
1 stop20h 05m
Thu 29/1000:30 -
1 stop28h 20m
Deal found 8/9฿28,204
Sat 5/912:40 -
1 stop20h 05m
Fri 11/900:30 -
1 stop22h 10m
Deal found 4/9฿28,402
Fri 4/917:15 -
1 stop39h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 4/9฿28,697
Sat 19/1217:30 -
1 stop39h 05m
Wed 30/1223:30 -
1 stop22h 20m
Deal found 7/9฿28,993
Fri 11/912:40 -
1 stop20h 05m
Tue 29/900:30 -
1 stop33h 05m
Deal found 8/9฿29,092
Tue 20/1009:50 -
2 stops24h 43m
Tue 27/1006:04 -
2 stops27h 26m
Deal found 5/9฿33,891
Fri 25/923:30 -
2 stops30h 52m
Sun 4/1009:29 -
2 stops26h 06m
Deal found 6/9฿33,957
Wed 9/907:30 -
2 stops25h 15m
Thu 10/900:30 -
2 stops34h 35m
Deal found 8/9฿34,450

Find flight deals from Bangkok to Chicago

Round-trip from

฿26,528

One-way from

฿17,028

Popular in

March

Cheapest in

October

Average price

฿39,512
Thai Airways
  • Thai Airways
  • 20/10-26/10
  • 2 total stops
  • 42h 25m total
  • Bangkok to Chicago
Search Deals
Thai Airways
  • Thai Airways
  • 15/12-31/12
  • 1 total stop
  • 24h 25m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿272,008 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿57,635 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 24/9

12:40-20:45

1 stop20h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿17,028

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 13/9

17:15-20:45

1 stop39h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿17,126

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 24/9

08:15-20:45

1 stop24h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿17,488

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Fri 23/10

10:50-00:15

2 stops25h 25m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,005

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 14/10

17:30-05:50

2 stops24h 20m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,038

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Sun 4/10

17:30-05:50

2 stops24h 20m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,137

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Wed 23/9

13:20-05:55

2 stops28h 35m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,137

BangkokChicago

BKK Bangkok Suvarnabhumi - MDW Chicago Midway

BKKMDW

Bangkok Suvarnabhumi

Tue 8/12

17:50-12:10

2 stops31h 20m

Chicago Midway

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,137

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 4/2

08:00-19:52

2 stops24h 52m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,170

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 29/11

20:15-16:55

3 stops33h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,663

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 55 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 ฿33,957). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,450). 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 ฿36,258 and ฿41,485 in October.
The cheapest return price found within the last 5 days was ฿26,528 on Thai Airways (20 Oct–26 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 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
1,221 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

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

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

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
1,910 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

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 23h 35m. Fly via โอมานแอร์, เอทิฮัดแอร์เวย์, or เดลต้า 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 Thai Airways is currently your cheapest option to Chicago, with prices starting at ฿28,092. Additional round-trip tickets that might be worth considering are offered by Korean Air and ANA, with the lowest prices starting at ฿31,954 and ฿32,807, respectively. Thai Airways is priced at 30% 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 ฿33,957). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿53,450). 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฿28,092Average฿54,986FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Korean AirCheapest฿31,954Average฿33,814FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapest฿32,807Average฿37,786FlexibilityNo cancel feeOn-time80%
Search ANA flights
เดลต้าCheapest฿32,823Average฿51,836FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
Cathay PacificCheapest฿40,293Average฿59,038FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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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