Find flights
When to book
Airlines
FAQs

Cheap flights from Bangkok to Chicago from ฿20,159

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CHI
21 Jun — 28 Jun1
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 22 May 2026.

Fri 4/907:00
BKK
-
ORD
1 stop19h 55m
United Airlines
Fri 25/918:06
ORD
-
BKK
2 stops27h 29m
United Airlines
Deal found 18/5฿36,012
Sat 6/615:45
BKK
-
ORD
2 stops26h 03m
United Airlines
Fri 14/811:50
ORD
-
BKK
1 stop24h 05m
United Airlines
Deal found 18/5฿36,175
Mon 13/713:55
BKK
-
ORD
1 stop30h 45m
ANA
Tue 13/1017:45
ORD
-
BKK
1 stop33h 45m
ANA
Deal found 22/5฿36,207
Sat 25/707:30
DMK
-
ORD
2 stops25h 40m
Multiple Airlines
Fri 7/800:30
ORD
-
DMK
2 stops29h 05m
Multiple Airlines
Deal found 19/5฿36,207
Sat 31/1018:10
BKK
-
ORD
2 stops33h 31m
แอร์แคนาดา
Fri 6/1108:00
ORD
-
BKK
2 stops27h 45m
แอร์แคนาดา
Deal found 21/5฿36,240
Sun 7/609:35
BKK
-
ORD
1 stop41h 50m
ANA
Sun 6/912:15
ORD
-
BKK
1 stop28h 20m
ANA
Deal found 20/5฿36,273
Fri 30/1009:40
BKK
-
ORD
2 stops24h 19m
แอร์แคนาดา
Fri 6/1108:00
ORD
-
BKK
2 stops27h 45m
แอร์แคนาดา
Deal found 21/5฿36,371
Mon 26/1009:10
BKK
-
ORD
1 stop35h 10m
United Airlines
Fri 30/1011:40
ORD
-
BKK
2 stops35h 45m
United Airlines
Deal found 21/5฿36,468
Sun 25/1007:10
BKK
-
ORD
1 stop19h 40m
United Airlines
Fri 30/1011:40
ORD
-
BKK
2 stops35h 45m
United Airlines
Deal found 21/5฿36,566
Mon 13/713:55
BKK
-
ORD
1 stop30h 45m
ANA
Mon 27/717:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 21/5฿36,599
Wed 21/1007:05
BKK
-
ORD
1 stop19h 38m
Multiple Airlines
Wed 18/1122:45
ORD
-
BKK
1 stop34h 05m
Multiple Airlines
Deal found 21/5฿36,631
Wed 1/707:05
BKK
-
ORD
2 stops42h 02m
แอร์แคนาดา
Wed 23/908:43
ORD
-
BKK
2 stops32h 22m
แอร์แคนาดา
Deal found 18/5฿36,729

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 22 May 2026.

Round-trip from

฿36,012

One-way from

฿20,159

Popular in

March

Cheapest in

February

Average price

฿36,860
United Airlines
  • United Airlines
  • 4/9-25/9
  • 3 total stops
  • 47h 24m total
  • Bangkok to Chicago
Search Deals
10/11
  • 10/11
  • 3 total stops
  • 46h 35m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿245,668 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿57,137 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 22 May 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 - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 6/7

09:35-05:46

2 stops32h 11m

Chicago O'Hare Intl

Thu 9/7

14:33-09:35

3 stops31h 02m

฿37,838

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 1/7

23:35-11:04

2 stops47h 29m

Chicago O'Hare Intl

Mon 13/7

20:18-15:30

2 stops31h 12m

฿37,969

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 29/10

23:50-15:00

1 stop27h 10m

Chicago O'Hare Intl

Sat 31/10

14:25-12:20

2 stops33h 55m

฿39,143

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 2/11

17:50-05:55

2 stops25h 05m

Chicago Midway

Mon 9/11

12:20-09:50

3 stops32h 30m

฿39,632

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 21/10

09:35-00:59

2 stops27h 24m

Chicago O'Hare Intl

Wed 18/11

12:49-11:25

3 stops33h 36m

฿39,796

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 5/7

13:20-06:20

2 stops29h 00m

Chicago O'Hare Intl

Sun 12/7

20:20-09:45

2 stops25h 25m

฿40,578

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 31/10

23:30-19:25

1 stop31h 55m

Chicago O'Hare Intl

Sat 7/11

16:20-12:20

1 stop31h 00m

฿41,459

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 11/6

02:30-16:50

1 stop26h 20m

Chicago O'Hare Intl

Thu 25/6

06:00-19:25

2 stops25h 25m

฿42,046

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 5/7

06:40-09:40

1 stop39h 00m

Chicago O'Hare Intl

Sat 18/7

11:25-15:25

1 stop40h 00m

฿42,046

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 5/7

09:15-08:48

2 stops35h 33m

Chicago O'Hare Intl

Sat 18/7

19:20-06:20

1 stop23h 00m

฿44,167

Flights are sorted by cheapest return flights first.

Deals found on 18/5

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
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, February is the cheapest month in which you can book a flight from Bangkok to Chicago (average of ฿12,134). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿31,967). 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?

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 85 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 22 May 2026.
Read through reviews of airlines operating flights from Bangkok to Chicago, such as Korean Air,Japan Airlines, andANA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

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
1,217 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

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
1,826 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

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!!
ANA
8.3
Very Good
1,212 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

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 27h 10m. Fly via United Airlines, ANA, or ออสเตรียนแอร์ไลน์ 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 United Airlines is currently your cheapest option to Chicago, with prices starting at ฿31,089. Additional round-trip tickets that might be worth considering are offered by Korean Air and เดลต้า, with the lowest prices starting at ฿31,708 and ฿32,570, respectively. United Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Bangkok to Chicago one-way?

    To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at ฿14,546. Thai Airways flights start at ฿18,873 while deals on ANA start at ฿21,726 one-way.

  • 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, February is the cheapest month in which you can book a flight from Bangkok to Chicago (average of ฿12,134). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿31,967). 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 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
Ko Samui to O'Hare Intl flights
Phuket City to St. Louis flights

Top 7 airlines flying from Bangkok to Chicago

Discover the top 7 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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest฿31,089Average฿39,574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest฿31,708Average฿32,839FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿32,570Average฿51,437FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
EVA AirCheapest฿34,040Average฿39,698FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
ANACheapest฿34,392Average฿37,744FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest฿35,019Average฿42,166FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Thai AirwaysCheapest฿37,100Average฿54,563FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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.

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.