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฿20,212+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
24 Jun — 1 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 25 May 2026.

Sat 31/1018:10
BKK
-
ORD
2 stops33h 31m
แอร์แคนาดา
Fri 6/1108:00
ORD
-
BKK
2 stops27h 45m
แอร์แคนาดา
Deal found 21/5฿36,218
Tue 16/621:35
BKK
-
ORD
1 stop29h 50m
ANA
Wed 19/817:45
ORD
-
BKK
1 stop33h 45m
ANA
Deal found 25/5฿36,251
Fri 30/1009:40
BKK
-
ORD
2 stops24h 19m
แอร์แคนาดา
Fri 6/1108:00
ORD
-
BKK
2 stops27h 45m
แอร์แคนาดา
Deal found 21/5฿36,349
Mon 13/713:55
BKK
-
ORD
1 stop30h 45m
ANA
Tue 13/1017:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 22/5฿36,381
Mon 26/1009:10
BKK
-
ORD
1 stop35h 10m
United Airlines
Fri 30/1011:40
ORD
-
BKK
2 stops35h 45m
United Airlines
Deal found 21/5฿36,447
Wed 24/607:05
BKK
-
ORD
1 stop19h 36m
แอร์แคนาดา
Mon 10/815:40
ORD
-
BKK
1 stop25h 25m
แอร์แคนาดา
Deal found 25/5฿36,544
Mon 13/713:55
BKK
-
ORD
1 stop30h 45m
ANA
Mon 27/717:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 21/5฿36,577
Sat 13/607:30
DMK
-
ORD
2 stops25h 30m
Multiple Airlines
Fri 19/600:30
ORD
-
DMK
2 stops34h 35m
Multiple Airlines
Deal found 25/5฿36,577
Wed 21/1007:05
BKK
-
ORD
1 stop19h 38m
Multiple Airlines
Wed 18/1122:45
ORD
-
BKK
1 stop34h 05m
Multiple Airlines
Deal found 21/5฿36,610
Wed 24/607:05
BKK
-
ORD
1 stop19h 36m
แอร์แคนาดา
Thu 13/808:45
ORD
-
BKK
2 stops26h 50m
แอร์แคนาดา
Deal found 25/5฿36,870
Wed 1/723:35
BKK
-
ORD
2 stops33h 28m
ANA
Wed 23/917:45
ORD
-
BKK
1 stop22h 50m
ANA
Deal found 21/5฿37,001
Mon 25/507:30
DMK
-
ORD
2 stops25h 30m
Multiple Airlines
Sun 31/500:30
ORD
-
DMK
2 stops29h 05m
Multiple Airlines
Deal found 24/5฿37,001

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 25 May 2026.

Return from

฿36,218

One-way from

฿20,212

Popular in

March

Cheapest in

February

Average price

฿36,838
แอร์แคนาดา
  • แอร์แคนาดา
  • 31/10-6/11
  • 4 total stops
  • 61h 16m total
  • Bangkok to Chicago
Search Deals
26/10
  • 26/10
  • 2 total stops
  • 24h 30m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿7,527 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,751 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 25 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

Sun 25/10

07:10-14:50

1 stop19h 40m

Chicago O'Hare Intl

Sat 31/10

08:50-05:10

2 stops32h 20m

฿37,685

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Sat 12/9

09:35-23:29

2 stops25h 54m

Chicago O'Hare Intl

Sat 31/10

15:00-11:25

3 stops32h 25m

฿37,783

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 29/6

15:45-17:05

3 stops37h 20m

Chicago O'Hare Intl

Mon 13/7

07:00-09:35

2 stops38h 35m

฿38,174

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 29/6

15:45-18:46

3 stops39h 01m

Chicago O'Hare Intl

Sun 12/7

08:48-09:35

2 stops36h 47m

฿38,174

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 10/6

16:45-21:00

1 stop40h 15m

Chicago O'Hare Intl

Tue 7/7

00:30-11:10

1 stop22h 40m

฿38,272
Fastest return journey

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 29/10

00:55-09:30

1 stop20h 35m

Chicago O'Hare Intl

Sun 8/11

07:00-21:30

2 stops25h 30m

฿38,924

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 19/11

00:55-08:30

1 stop20h 35m

Chicago O'Hare Intl

Fri 20/11

11:15-11:15

1 stop35h 00m

฿39,022

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 29/10

23:50-15:00

1 stop27h 10m

Chicago O'Hare Intl

Sat 31/10

14:25-12:20

2 stops33h 55m

฿39,120

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 9/6

00:30-22:00

2 stops33h 30m

Chicago O'Hare Intl

Wed 8/7

14:30-15:10

1 stop36h 40m

฿39,218

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 18/8

09:35-11:46

2 stops38h 11m

Chicago O'Hare Intl

Wed 14/10

12:45-09:35

3 stops32h 50m

฿39,772

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 23 hours 39 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 ฿37,078
EVA Air
EVA Air
From ฿34,020
Korean Air
Korean Air
From ฿31,689
ANA
ANA
From ฿34,372

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 83 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 25 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

Crew

8.7

Entertainment

8.2

Food

8.1

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

Crew

8.7

Entertainment

8.2

Food

8.1

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

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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
1,214 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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, 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 ฿2,771, while return flights cost around ฿20,419.

  • 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?

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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.

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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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