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฿22,377+ Cheap flights to Chicago

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Chicago in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Chicago
Explore the most affordable flight options available to Chicago. Find the lowest fares based on data from user searches, with prices last updated on 6 July 2026.

Fri 16/1019:10
BKK
-
ORD
2 stops57h 00m
โอมานแอร์
Wed 28/1018:50
ORD
-
BKK
2 stops47h 55m
โอมานแอร์
Deal found 1/7฿31,162
Wed 14/1002:35
BKK
-
ORD
2 stops29h 31m
แอร์แคนาดา
Mon 26/1008:49
ORD
-
BKK
1 stop32h 41m
แอร์แคนาดา
Deal found 1/7฿31,759
Fri 16/1019:10
BKK
-
ORD
2 stops57h 00m
โอมานแอร์
Sun 25/1018:50
ORD
-
BKK
2 stops23h 55m
โอมานแอร์
Deal found 1/7฿31,924
Fri 16/1019:10
BKK
-
ORD
2 stops57h 00m
โอมานแอร์
Mon 26/1018:50
ORD
-
BKK
2 stops47h 55m
โอมานแอร์
Deal found 1/7฿32,952
Fri 9/1007:45
BKK
-
ORD
2 stops24h 27m
แอร์แคนาดา
Fri 23/1021:18
ORD
-
BKK
2 stops44h 12m
แอร์แคนาดา
Deal found 2/7฿33,416
Mon 13/707:05
BKK
-
ORD
2 stops42h 02m
แอร์แคนาดา
Mon 14/915:40
ORD
-
BKK
1 stop25h 25m
แอร์แคนาดา
Deal found 1/7฿33,516
Fri 9/1021:40
BKK
-
ORD
1 stop23h 50m
Korean Air
Fri 23/1012:10
ORD
-
BKK
1 stop37h 15m
Korean Air
Deal found 2/7฿33,582
Wed 21/1023:30
BKK
-
ORD
1 stop22h 00m
Korean Air
Tue 17/1111:15
ORD
-
BKK
1 stop37h 10m
Korean Air
Deal found 3/7฿33,681
Tue 20/1023:30
BKK
-
MDW
2 stops25h 18m
เดลต้า
Tue 3/1117:15
MDW
-
BKK
2 stops31h 10m
เดลต้า
Deal found 2/7฿33,847
Wed 26/802:35
BKK
-
MDW
2 stops32h 01m
เดลต้า
Wed 9/909:59
MDW
-
BKK
2 stops25h 36m
เดลต้า
Deal found 3/7฿33,946
Fri 4/909:50
BKK
-
MDW
2 stops24h 46m
เดลต้า
Sat 19/909:29
MDW
-
BKK
2 stops26h 06m
เดลต้า
Deal found 6/7฿34,046
Mon 13/709:50
BKK
-
MDW
2 stops24h 25m
เดลต้า
Mon 14/909:24
MDW
-
BKK
2 stops26h 11m
เดลต้า
Deal found 2/7฿34,842

Find flight deals to Chicago

Find the latest flights to Chicago in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 6 July 2026.

Return from

฿33,416

One-way from

฿22,377

Popular in

March

Cheapest in

February

Average price

฿38,322
แอร์แคนาดา
  • แอร์แคนาดา
  • 9/10-23/10
  • 4 total stops
  • 68h 39m total
  • Bangkok to Chicago
Search Deals
Thai Airways
  • Thai Airways
  • 21/8
  • 1 total stop
  • 39h 55m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿7,599 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,778 potential savings vs. average return price).
Search Deals
Average for return flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Chicago that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 6 July 2026.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 21/9

09:50-09:30

1 stop35h 40m

Chicago O'Hare Intl

Wed 24/2

11:25-00:45

1 stop24h 20m

฿33,913

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 26/8

02:35-22:36

2 stops32h 01m

Chicago Midway

Wed 9/9

09:59-23:35

2 stops25h 36m

฿33,946

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 21/9

21:40-12:59

2 stops27h 19m

Chicago O'Hare Intl

Wed 24/2

07:00-00:45

2 stops28h 45m

฿34,046

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 3/9

02:35-23:29

2 stops32h 54m

Chicago O'Hare Intl

Fri 25/9

07:00-23:35

2 stops28h 35m

฿34,046

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Fri 6/11

21:30-12:48

2 stops28h 18m

Chicago Midway

Sun 8/11

13:00-13:25

2 stops35h 25m

฿34,046

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Fri 4/9

09:50-22:36

2 stops24h 46m

Chicago Midway

Sat 19/9

09:29-23:35

2 stops26h 06m

฿34,046
Fastest return journey

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 13/7

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Mon 14/9

17:45-04:35

1 stop22h 50m

฿36,632

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 12/7

07:00-18:46

2 stops23h 46m

Chicago O'Hare Intl

Sun 19/7

17:45-04:35

1 stop22h 50m

฿36,930

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 9/7

07:00-18:46

2 stops23h 46m

Chicago O'Hare Intl

Sun 19/7

12:15-04:35

1 stop28h 20m

฿36,996

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 9/7

15:45-06:32

2 stops26h 47m

Chicago O'Hare Intl

Thu 23/7

18:10-09:35

2 stops27h 25m

฿37,427

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 to Chicago

How long is the flight to Chicago?

On average, a flight from Bangkok to Chicago takes 25 hours 52 minutes. Flights to Chicago from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Chicago?

The most popular airlines flying from Bangkok to Chicago are Thai Airways, Korean Air and ANA.

Thai Airways
Thai Airways
From ฿37,705
EVA Air
EVA Air
From ฿35,342
Korean Air
Korean Air
From ฿32,225
ANA
ANA
From ฿35,480

What are the cheapest airlines that fly to Chicago?

The cheapest airlines flying from Bangkok to Chicago are Korean Air, เดลต้า and EVA Air.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

When is the best time to book a flight to Chicago?

The best time to book flights to Chicago is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 6 July 2026.
Check out reviews from past customers who have flown Korean Air,Japan Airlines, andANA to the United States to help guide your decision. You can also see how each airline stacks up in terms of 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

Entertainment

8.2

Crew

8.7

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

Entertainment

8.2

Crew

8.7

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
1,863 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
1,263 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

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!!

FAQs about flying to Chicago

  • Can I find cheaper flights to Chicago if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Chicago on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Chicago?

    Based on reviews from Cheapflights users, Korean Air is rated the highest out of the airlines that fly to Chicago.

  • What is the cheapest airport to fly to in Chicago?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in Chicago. One-way flights to Chicago O'Hare Intl typically cost ฿2,817, while return flights cost around ฿20,764.

  • Where does the fastest flight to Chicago depart from?

    For those looking to save time traveling to Chicago, Chiang Mai offers the quickest one-way flight (21 hours 10 minutes).

  • Does Chicago O'Hare Intl have rental cars?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Airports serving Chicago

Book a flight to or from one of these Chicago airports.
Flights to Midway
Flights to O'Hare Intl
Flights from Midway
Flights from O'Hare Intl

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How does Cheapflights help users find flights to Chicago?

When you search for this flight to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Chicago?

Millions of users choose and trust Cheapflights to book the best flight deals to Chicago for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights to Chicago with no change fees.

Can Cheapflights notify me if prices for flights to Chicago become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Chicago today and book when you’re ready!

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