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฿19,875+ 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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
12 Jun — 19 Jun1
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 13 May 2026.

Mon 2/1109:10
BKK
-
ORD
2 stops26h 52m
United Airlines
Mon 9/1108:55
ORD
-
BKK
3 stops37h 30m
United Airlines
Deal found 12/5฿35,736
Wed 23/907:00
BKK
-
ORD
2 stops24h 17m
United Airlines
Sun 27/918:15
ORD
-
BKK
2 stops27h 20m
United Airlines
Deal found 12/5฿35,801
Wed 16/913:25
BKK
-
ORD
2 stops28h 57m
Multiple Airlines
Wed 23/915:52
ORD
-
BKK
2 stops32h 18m
Multiple Airlines
Deal found 9/5฿35,866
Mon 14/909:35
BKK
-
ORD
1 stop35h 05m
United Airlines
Mon 21/919:50
ORD
-
BKK
2 stops25h 45m
United Airlines
Deal found 9/5฿35,931
Tue 6/1009:35
BKK
-
ORD
1 stop35h 05m
United Airlines
Thu 26/1108:55
ORD
-
BKK
2 stops31h 15m
United Airlines
Deal found 8/5฿35,963
Tue 15/909:35
BKK
-
ORD
1 stop35h 05m
United Airlines
Fri 25/918:15
ORD
-
BKK
2 stops27h 20m
United Airlines
Deal found 11/5฿35,995
Wed 16/902:35
BKK
-
MDW
2 stops31h 11m
เดลต้า
Thu 24/909:20
MDW
-
BKK
2 stops26h 15m
เดลต้า
Deal found 9/5฿35,995
Thu 3/902:35
BKK
-
ORD
2 stops33h 22m
เดลต้า
Fri 25/907:00
ORD
-
BKK
2 stops28h 35m
เดลต้า
Deal found 11/5฿36,028
Tue 14/707:00
BKK
-
ORD
2 stops40h 27m
United Airlines
Tue 12/112:45
ORD
-
BKK
3 stops33h 40m
United Airlines
Deal found 11/5฿36,060
Wed 16/902:35
BKK
-
MDW
2 stops31h 11m
เดลต้า
Mon 21/909:20
MDW
-
BKK
2 stops27h 45m
เดลต้า
Deal found 10/5฿36,060
Tue 2/615:45
BKK
-
ORD
3 stops29h 51m
United Airlines
Tue 14/713:30
ORD
-
BKK
3 stops32h 05m
United Airlines
Deal found 8/5฿36,093
Mon 14/909:35
BKK
-
ORD
2 stops31h 10m
United Airlines
Wed 23/910:25
ORD
-
BKK
2 stops35h 10m
United Airlines
Deal found 9/5฿36,125

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 13 May 2026.

Return from

฿35,736

One-way from

฿19,875

Popular in

March

Cheapest in

February

Average price

฿36,578
United Airlines
  • United Airlines
  • 2/11-9/11
  • 5 total stops
  • 64h 22m total
  • Bangkok to Chicago
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 27/5
  • 2 total stops
  • 38h 31m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿7,323 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,724 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 13 May 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

Fri 4/9

09:50-23:47

2 stops25h 57m

Chicago O'Hare Intl

Fri 25/9

09:30-23:35

2 stops26h 05m

฿35,995

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 2/11

09:10-07:20

1 stop35h 10m

Chicago O'Hare Intl

Mon 30/11

21:30-05:10

2 stops42h 40m

฿36,028

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 2/11

16:55-07:31

3 stops27h 36m

Chicago O'Hare Intl

Mon 9/11

10:50-11:25

3 stops35h 35m

฿36,060

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 16/9

02:35-21:46

2 stops31h 11m

Chicago Midway

Mon 21/9

09:20-01:05

2 stops27h 45m

฿36,060

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 23/8

09:35-04:45

2 stops31h 10m

Chicago O'Hare Intl

Sun 6/9

16:11-09:35

3 stops29h 24m

฿36,125

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 15/9

09:35-23:04

2 stops25h 29m

Chicago O'Hare Intl

Fri 25/9

12:49-09:35

3 stops32h 46m

฿36,125

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 14/9

09:35-04:45

2 stops31h 10m

Chicago O'Hare Intl

Wed 23/9

10:25-09:35

2 stops35h 10m

฿36,125

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 13/6

19:00-16:50

1 stop33h 50m

Chicago O'Hare Intl

Wed 24/6

16:33-07:15

2 stops26h 42m

฿36,967

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 30/6

02:30-15:05

1 stop24h 35m

Chicago O'Hare Intl

Wed 23/9

19:20-13:25

1 stop30h 05m

฿37,970

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 18/6

03:00-15:05

1 stop24h 05m

Chicago O'Hare Intl

Fri 26/6

16:29-07:15

2 stops26h 46m

฿38,067

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 56 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

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

The best time to book flights to Chicago is 22 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.

How long is the flight to Chicago?

On average, a flight from Bangkok to Chicago takes 23 hours 43 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 ฿36,837
EVA Air
EVA Air
From ฿33,780
Korean Air
Korean Air
From ฿30,695
ANA
ANA
From ฿34,093

What are the cheapest airlines that fly to Chicago?

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

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 13 May 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
1,217 reviews
Check prices

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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
1,819 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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
1,208 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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 ฿2,751, while return flights cost around ฿20,275.

  • 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

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

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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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