฿21,362+ 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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
11 Jul — 18 Jul1
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 11 June 2026.

Wed 23/915:45
BKK
-
ORD
3 stops37h 20m
United Airlines
Wed 21/1019:45
ORD
-
BKK
2 stops40h 10m
United Airlines
Deal found 9/6฿29,294
Thu 11/607:00
BKK
-
ORD
2 stops40h 29m
United Airlines
Sat 13/606:00
ORD
-
BKK
2 stops34h 35m
United Airlines
Deal found 10/6฿30,940
Sun 13/919:10
BKK
-
ORD
2 stops57h 00m
โอมานแอร์
Mon 19/1020:00
ORD
-
BKK
2 stops33h 45m
โอมานแอร์
Deal found 10/6฿31,072
Tue 15/917:30
BKK
-
ORD
2 stops24h 50m
Multiple Airlines
Tue 6/1019:16
ORD
-
BKK
2 stops28h 54m
Multiple Airlines
Deal found 10/6฿32,652
Mon 6/710:50
BKK
-
ORD
2 stops31h 30m
Multiple Airlines
Thu 23/720:20
ORD
-
BKK
2 stops27h 50m
Multiple Airlines
Deal found 8/6฿33,145
Wed 23/907:05
BKK
-
ORD
1 stop25h 01m
แอร์แคนาดา
Wed 21/1014:30
ORD
-
BKK
2 stops26h 35m
แอร์แคนาดา
Deal found 10/6฿34,166
Thu 19/1100:55
BKK
-
ORD
1 stop20h 35m
Korean Air
Sun 22/1111:15
ORD
-
BKK
1 stop37h 10m
Korean Air
Deal found 9/6฿34,363
Mon 14/1200:55
BKK
-
ORD
1 stop20h 35m
Korean Air
Fri 15/111:25
ORD
-
BKK
1 stop22h 55m
Korean Air
Deal found 7/6฿34,528
Thu 11/606:40
DMK
-
ORD
2 stops26h 20m
Multiple Airlines
Fri 12/600:30
ORD
-
DMK
2 stops34h 10m
Multiple Airlines
Deal found 10/6฿34,725
Thu 1/1009:50
BKK
-
MDW
2 stops24h 35m
เดลต้า
Sun 11/1009:30
MDW
-
BKK
2 stops27h 35m
เดลต้า
Deal found 9/6฿35,778
Fri 20/1109:40
BKK
-
MDW
2 stops25h 30m
เดลต้า
Sun 22/1113:05
MDW
-
BKK
2 stops43h 25m
เดลต้า
Deal found 9/6฿35,811
Tue 15/1221:30
BKK
-
MDW
2 stops28h 03m
เดลต้า
Fri 15/113:05
MDW
-
BKK
2 stops35h 20m
เดลต้า
Deal found 7/6฿35,943

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 11 June 2026.

Return from

฿29,294

One-way from

฿21,362

Popular in

March

Cheapest in

February

Average price

฿34,626
United Airlines
  • United Airlines
  • 23/9-21/10
  • 5 total stops
  • 77h 30m total
  • Bangkok to Chicago
25/7
  • 25/7
  • 2 total stops
  • 31h 30m total
  • Bangkok to Chicago
Highest demand for flights based on searches. 16% potential increase in price (฿7,709 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (฿1,777 potential savings vs. average return price).
Average for return flights in June 2026

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 11 June 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

Tue 15/9

09:50-09:30

1 stop35h 40m

Chicago O'Hare Intl

Tue 6/10

12:10-01:05

1 stop24h 55m

฿35,713

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 9/9

09:35-08:40

1 stop35h 05m

Chicago O'Hare Intl

Tue 20/10

18:06-09:35

2 stops27h 29m

฿35,811

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 1/10

09:35-15:05

1 stop41h 30m

Chicago O'Hare Intl

Sun 11/10

17:45-04:35

1 stop22h 50m

฿35,844

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 13/7

17:30-06:20

2 stops24h 50m

Chicago O'Hare Intl

Mon 14/9

19:00-09:45

2 stops26h 45m

฿35,910

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 6/7

09:50-13:28

2 stops39h 38m

Chicago O'Hare Intl

Mon 13/7

07:05-21:45

2 stops26h 40m

฿35,976

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 6/7

21:35-08:40

1 stop23h 05m

Chicago O'Hare Intl

Thu 23/7

17:45-04:35

1 stop22h 50m

฿36,009

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 24/11

09:10-07:20

1 stop35h 10m

Chicago O'Hare Intl

Mon 7/12

08:55-05:10

2 stops31h 15m

฿36,009

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 6/7

15:45-17:05

3 stops37h 20m

Chicago O'Hare Intl

Mon 13/7

21:30-09:35

2 stops48h 05m

฿36,503

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 8/9

15:45-05:41

2 stops25h 56m

Chicago O'Hare Intl

Wed 30/9

17:45-04:35

1 stop22h 50m

฿36,568

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Sun 5/7

21:40-12:05

2 stops26h 25m

Chicago Midway

Sat 18/7

06:00-23:35

2 stops29h 35m

฿39,300

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 24 hours 0 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 cheapest airlines that fly to Chicago?

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

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 85 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 11 June 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.

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

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!!

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

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!!

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

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!!
8.3
Very Good

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

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!!

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, United Airlines 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 ฿2,797, while return flights cost around ฿12,957.

  • How much is a return flight to Chicago?

    A return flight to Chicago will typically cost around ฿17,833, however they can be found for as little as ฿12,957.

  • Where does the fastest flight to Chicago depart from?

    For those looking to save time traveling to Chicago, Bangkok offers the quickest one-way flight (19 hours 50 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

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Airports serving Chicago

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

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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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