฿21,384+ 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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
5 Jul — 12 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 5 June 2026.

Mon 13/713:55
BKK
-
ORD
1 stop37h 30m
ANA
Tue 13/1017:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 4/6฿36,785
Wed 24/607:05
BKK
-
ORD
2 stops42h 02m
แอร์แคนาดา
Tue 11/819:45
ORD
-
BKK
2 stops45h 20m
แอร์แคนาดา
Deal found 1/6฿36,818
Wed 1/707:00
BKK
-
ORD
1 stop19h 55m
ANA
Sun 26/712:15
ORD
-
BKK
1 stop28h 20m
ANA
Deal found 3/6฿36,883
Wed 1/707:45
BKK
-
ORD
2 stops24h 20m
แอร์แคนาดา
Wed 12/815:40
ORD
-
BKK
1 stop25h 25m
แอร์แคนาดา
Deal found 1/6฿37,112
Thu 9/716:45
BKK
-
ORD
2 stops25h 35m
Multiple Airlines
Thu 23/720:20
ORD
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 5/6฿37,243
Thu 16/709:35
BKK
-
ORD
1 stop41h 50m
United Airlines
Wed 16/914:32
ORD
-
BKK
3 stops31h 03m
United Airlines
Deal found 5/6฿37,275
Mon 8/609:40
BKK
-
ORD
1 stop37h 20m
Japan Airlines
Wed 10/608:05
ORD
-
BKK
2 stops43h 05m
Japan Airlines
Deal found 4/6฿37,308
Thu 16/712:40
BKK
-
ORD
1 stop20h 30m
Thai Airways
Wed 22/700:30
ORD
-
BKK
1 stop22h 10m
Thai Airways
Deal found 1/6฿37,373
Thu 16/709:35
BKK
-
ORD
1 stop41h 50m
United Airlines
Tue 15/919:50
ORD
-
BKK
2 stops25h 45m
United Airlines
Deal found 1/6฿37,406
Wed 15/721:35
BKK
-
ORD
1 stop23h 05m
ANA
Tue 15/917:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 1/6฿37,439
Thu 16/709:35
BKK
-
ORD
1 stop41h 50m
ANA
Tue 15/915:00
ORD
-
BKK
1 stop30h 35m
ANA
Deal found 1/6฿37,471
Mon 13/717:30
BKK
-
MDW
2 stops23h 30m
Multiple Airlines
Mon 14/920:55
MDW
-
BKK
2 stops27h 15m
Multiple Airlines
Deal found 4/6฿40,022

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 5 June 2026.

Return from

฿35,738

One-way from

฿21,384

Popular in

March

Cheapest in

February

Average price

฿34,398
เดลต้า
  • เดลต้า
  • 6/7-13/7
  • 4 total stops
  • 66h 18m total
  • Bangkok to Chicago
16/9
  • 16/9
  • 2 total stops
  • 32h 00m total
  • Bangkok to Chicago
Highest demand for flights based on searches. 15% potential increase in price (฿7,550 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (฿1,755 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 5 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

Thu 16/7

09:35-15:25

1 stop41h 50m

Chicago O'Hare Intl

Tue 15/9

19:50-09:35

2 stops25h 45m

฿37,406

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 23/6

09:35-23:22

2 stops25h 47m

Chicago O'Hare Intl

Tue 30/6

06:00-09:35

2 stops39h 35m

฿38,256

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 27/7

18:40-07:45

2 stops25h 05m

Chicago O'Hare Intl

Mon 7/9

10:15-10:15

2 stops36h 00m

฿38,910

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 25/6

07:00-19:05

2 stops24h 05m

Chicago O'Hare Intl

Thu 2/7

13:30-09:35

3 stops32h 05m

฿39,924

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 13/7

17:30-05:00

2 stops23h 30m

Chicago Midway

Mon 14/9

20:55-12:10

2 stops27h 15m

฿40,022

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 16/6

15:45-09:36

3 stops29h 51m

Chicago O'Hare Intl

Tue 30/6

14:33-09:35

3 stops31h 02m

฿40,087

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 24/6

08:30-21:00

1 stop24h 30m

Chicago O'Hare Intl

Mon 10/8

00:30-13:05

1 stop24h 35m

฿40,610
Fastest return journey

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 19/11

00:55-08:30

1 stop20h 35m

Chicago O'Hare Intl

Fri 20/11

11:15-00:45

1 stop24h 30m

฿41,984

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 13/7

17:30-05:00

2 stops23h 30m

Chicago Midway

Tue 13/10

20:40-12:10

2 stops27h 30m

฿42,572

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Sat 1/8

13:20-05:00

2 stops27h 40m

Chicago Midway

Mon 31/8

15:55-09:45

2 stops29h 50m

฿42,670

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 54 resultsSorted by cheapest first
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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 23 hours 45 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 86 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 5 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

Entertainment

8.2

Overall

8.4

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!!

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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!!

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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!!
8.3
Very Good

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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!!

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 ฿2,779, while return flights cost around ฿20,480.

  • 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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How does Cheapflights help users find flights to 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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