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฿20,013+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
17 Jun — 24 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 18 May 2026.

Sun 12/709:35
BKK
-
ORD
2 stops31h 16m
United Airlines
Sun 13/907:00
ORD
-
BKK
2 stops38h 35m
United Airlines
Deal found 14/5฿35,984
Tue 9/615:45
BKK
-
ORD
2 stops25h 06m
United Airlines
Thu 10/917:45
ORD
-
BKK
1 stop22h 50m
United Airlines
Deal found 14/5฿36,049
Tue 14/707:00
BKK
-
ORD
2 stops28h 16m
United Airlines
Tue 15/919:50
ORD
-
BKK
2 stops25h 45m
United Airlines
Deal found 14/5฿36,082
Thu 11/602:30
BKK
-
ORD
1 stop26h 20m
Qatar Airways
Fri 19/617:22
ORD
-
BKK
2 stops32h 03m
Qatar Airways
Deal found 13/5฿36,179
Wed 10/602:30
BKK
-
ORD
1 stop26h 20m
Qatar Airways
Sat 5/919:20
ORD
-
BKK
1 stop23h 55m
Qatar Airways
Deal found 14/5฿36,212
Fri 29/515:45
BKK
-
ORD
2 stops26h 08m
United Airlines
Fri 26/606:00
ORD
-
BKK
2 stops34h 35m
United Airlines
Deal found 14/5฿36,245
Sat 13/619:00
BKK
-
ORD
1 stop33h 50m
Qatar Airways
Fri 11/919:20
ORD
-
BKK
1 stop29h 35m
Qatar Airways
Deal found 14/5฿36,310
Wed 21/1015:45
BKK
-
ORD
3 stops27h 38m
United Airlines
Mon 16/1108:55
ORD
-
BKK
2 stops31h 15m
United Airlines
Deal found 14/5฿36,375
Sat 13/619:00
BKK
-
ORD
1 stop33h 50m
Multiple Airlines
Tue 23/606:00
ORD
-
BKK
2 stops25h 25m
Multiple Airlines
Deal found 16/5฿36,440
Mon 15/602:30
BKK
-
ORD
1 stop24h 35m
Multiple Airlines
Tue 23/606:00
ORD
-
BKK
2 stops25h 25m
Multiple Airlines
Deal found 15/5฿36,505
Wed 10/607:05
BKK
-
ORD
1 stop19h 40m
แอร์แคนาดา
Tue 8/917:53
ORD
-
BKK
2 stops47h 12m
แอร์แคนาดา
Deal found 14/5฿36,538
Wed 10/607:05
BKK
-
ORD
2 stops33h 53m
แอร์แคนาดา
Sat 5/915:40
ORD
-
BKK
1 stop25h 25m
แอร์แคนาดา
Deal found 14/5฿36,570

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 18 May 2026.

Return from

฿35,984

One-way from

฿20,013

Popular in

March

Cheapest in

February

Average price

฿36,831
United Airlines
  • United Airlines
  • 12/7-15/9
  • 5 total stops
  • 59h 06m total
  • Bangkok to Chicago
Search Deals
11/9
  • 11/9
  • 3 total stops
  • 52h 30m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿7,525 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,750 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 18 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

Sat 27/6

07:00-22:06

2 stops27h 06m

Chicago O'Hare Intl

Mon 20/7

18:10-09:35

2 stops27h 25m

฿36,082

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 22/6

07:00-22:07

2 stops27h 07m

Chicago O'Hare Intl

Sun 19/7

10:30-09:35

2 stops35h 05m

฿36,082

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 14/7

07:00-01:15

2 stops30h 15m

Chicago O'Hare Intl

Tue 25/8

14:42-09:35

3 stops30h 53m

฿36,082
Fastest return journey

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 8/6

23:30-12:05

2 stops24h 35m

Chicago Midway

Thu 13/8

09:24-21:45

2 stops24h 21m

฿38,787

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 19/6

07:00-21:28

2 stops26h 28m

Chicago O'Hare Intl

Sun 12/7

16:05-09:35

3 stops29h 30m

฿39,732

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sun 31/5

23:40-13:20

1 stop25h 40m

Chicago O'Hare Intl

Thu 4/6

16:30-14:50

2 stops34h 20m

฿39,960

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 11/6

02:30-16:50

1 stop26h 20m

Chicago O'Hare Intl

Wed 24/6

06:00-19:25

2 stops25h 25m

฿41,720

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 11/6

02:30-16:50

1 stop26h 20m

Chicago O'Hare Intl

Thu 25/6

06:00-19:25

2 stops25h 25m

฿42,046

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 6/7

12:40-21:10

1 stop20h 30m

Chicago O'Hare Intl

Wed 22/7

00:30-21:35

1 stop33h 05m

฿42,111

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 10/6

21:40-18:31

2 stops32h 51m

Chicago Midway

Wed 15/7

09:19-23:35

2 stops26h 16m

฿42,242

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 51 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 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.

How long is the flight to Chicago?

On average, a flight from Bangkok to Chicago takes 24 hours 31 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 ฿37,092
EVA Air
EVA Air
From ฿34,013
Korean Air
Korean Air
From ฿30,907
ANA
ANA
From ฿34,329

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 18 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

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

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

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

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
1,825 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

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
1,211 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

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, 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 ฿2,770, while return flights cost around ฿20,416.

  • 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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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.

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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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