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Cheap flights from Bangkok to Chicago from ฿20,077

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CHI
27 Jun — 4 Jul1
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 28 May 2026.

Mon 13/709:35
BKK
-
ORD
2 stops31h 16m
ANA
Tue 13/1011:50
ORD
-
BKK
1 stop24h 05m
ANA
Deal found 26/5฿36,145
Tue 16/621:35
BKK
-
ORD
1 stop29h 50m
ANA
Wed 19/817:45
ORD
-
BKK
1 stop33h 45m
ANA
Deal found 25/5฿36,243
Wed 24/615:45
BKK
-
ORD
2 stops26h 01m
United Airlines
Tue 11/819:50
ORD
-
BKK
2 stops25h 45m
United Airlines
Deal found 26/5฿36,406
Wed 24/607:05
BKK
-
ORD
2 stops42h 02m
แอร์แคนาดา
Tue 11/819:45
ORD
-
BKK
2 stops45h 20m
แอร์แคนาดา
Deal found 25/5฿36,536
Sat 13/607:30
DMK
-
ORD
2 stops25h 30m
Multiple Airlines
Fri 19/600:30
ORD
-
DMK
2 stops34h 35m
Multiple Airlines
Deal found 25/5฿36,569
Wed 24/607:05
BKK
-
ORD
1 stop19h 36m
แอร์แคนาดา
Thu 13/808:45
ORD
-
BKK
2 stops26h 50m
แอร์แคนาดา
Deal found 25/5฿36,862
Mon 13/713:55
BKK
-
ORD
2 stops26h 56m
ANA
Mon 27/717:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 23/5฿36,895
Mon 25/507:30
DMK
-
ORD
2 stops25h 30m
Multiple Airlines
Sun 31/500:30
ORD
-
DMK
2 stops29h 05m
Multiple Airlines
Deal found 24/5฿36,993
Tue 23/609:50
BKK
-
ORD
2 stops34h 10m
แอร์แคนาดา
Wed 12/815:40
ORD
-
BKK
1 stop25h 25m
แอร์แคนาดา
Deal found 25/5฿37,025
Wed 1/707:45
BKK
-
ORD
2 stops24h 14m
แอร์แคนาดา
Wed 23/916:30
ORD
-
BKK
2 stops24h 35m
แอร์แคนาดา
Deal found 26/5฿37,156
Wed 24/607:05
BKK
-
ORD
1 stop19h 36m
แอร์แคนาดา
Sat 8/815:40
ORD
-
BKK
1 stop25h 25m
แอร์แคนาดา
Deal found 25/5฿37,253
Sat 11/723:30
BKK
-
MDW
2 stops24h 26m
เดลต้า
Sat 18/709:49
MDW
-
BKK
2 stops27h 16m
เดลต้า
Deal found 27/5฿39,176

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 28 May 2026.

Round-trip from

฿36,145

One-way from

฿20,077

Popular in

March

Cheapest in

February

Average price

฿36,830
ANA
  • ANA
  • 13/7-13/10
  • 3 total stops
  • 55h 21m total
  • Bangkok to Chicago
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 46h 39m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿245,257 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿57,040 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 28 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

Wed 24/6

15:45-05:46

2 stops26h 01m

Chicago O'Hare Intl

Tue 11/8

19:50-09:35

2 stops25h 45m

฿36,406

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 17/8

09:35-04:45

2 stops31h 10m

Chicago O'Hare Intl

Fri 21/8

17:45-04:35

1 stop22h 50m

฿37,742

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 6/7

09:35-06:32

2 stops32h 57m

Chicago O'Hare Intl

Tue 21/7

13:30-09:35

3 stops32h 05m

฿38,036
Fastest return journey

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 10/6

08:30-21:00

1 stop24h 30m

Chicago O'Hare Intl

Tue 7/7

00:30-11:10

1 stop22h 40m

฿38,264

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 21/6

06:00-07:45

2 stops37h 45m

Chicago O'Hare Intl

Thu 13/8

10:40-13:25

2 stops38h 45m

฿38,850

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 19/11

00:55-08:30

1 stop20h 35m

Chicago O'Hare Intl

Fri 20/11

11:15-11:15

1 stop35h 00m

฿39,013

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 12/7

02:35-23:38

2 stops33h 03m

Chicago O'Hare Intl

Tue 13/10

06:00-01:05

2 stops31h 05m

฿39,144

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 9/6

00:30-22:00

2 stops33h 30m

Chicago O'Hare Intl

Wed 8/7

14:30-15:10

1 stop36h 40m

฿39,176

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Sat 11/7

23:30-11:56

2 stops24h 26m

Chicago Midway

Sat 18/7

09:49-01:05

2 stops27h 16m

฿39,176

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 21/10

15:45-07:25

3 stops27h 40m

Chicago O'Hare Intl

Wed 18/11

12:49-11:25

3 stops33h 36m

฿40,154

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 58 resultsSorted by cheapest first
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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 ฿12,124). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿31,941). 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 83 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 28 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

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

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

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

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
1,827 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

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!!
ANA
8.3
Very Good
1,216 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

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

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 24h 26m. Fly via United Airlines, EVA Air, or เดลต้า to get the fastest option. The distance between Bangkok and Chicago is about 13774 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 ฿31,064. Additional round-trip tickets that might be worth considering are offered by Korean Air and เดลต้า, with the lowest prices starting at ฿31,682 and ฿32,543, 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 ฿14,534. Thai Airways flights start at ฿18,857 while deals on ANA start at ฿21,708 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 ฿12,124). Flying from Bangkok to Chicago in April is currently the most expensive (average of ฿31,941). 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
Phuket City to St. Louis flights
Ko Samui to O'Hare Intl flights
Chiang Mai to Midway flights

Top 8 airlines flying from Bangkok to Chicago

Discover the top 8 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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest฿31,064Average฿39,541FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest฿31,682Average฿32,812FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
เดลต้าCheapest฿32,543Average฿51,395FlexibilityNo cancel feeOn-timeN/A
Search เดลต้า flights
ANACheapest฿34,364Average฿37,714FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapest฿34,747Average฿41,997FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Japan AirlinesCheapest฿34,991Average฿42,132FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Thai AirwaysCheapest฿37,070Average฿54,518FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Cathay PacificCheapest฿39,951Average฿58,536FlexibilityNo 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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