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฿20,131+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
2 Jun — 9 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 3 May 2026.

Sat 10/1015:45
BKK
-
ORD
2 stops25h 20m
United Airlines
Fri 27/1121:30
ORD
-
BKK
2 stops37h 50m
United Airlines
Deal found 29/4฿36,152
Tue 9/601:00
BKK
-
ORD
1 stop27h 50m
Multiple Airlines
Tue 23/616:33
ORD
-
BKK
2 stops26h 42m
Multiple Airlines
Deal found 29/4฿36,216
Sat 2/513:55
BKK
-
ORD
2 stops42h 27m
ANA
Fri 8/507:00
ORD
-
BKK
2 stops38h 35m
ANA
Deal found 30/4฿36,249
Sat 10/1015:45
BKK
-
ORD
2 stops25h 20m
United Airlines
Sat 28/1110:30
ORD
-
BKK
1 stop24h 50m
United Airlines
Deal found 29/4฿36,314
Mon 5/1015:45
BKK
-
ORD
3 stops27h 38m
United Airlines
Sun 29/1116:25
ORD
-
BKK
2 stops30h 00m
United Airlines
Deal found 3/5฿36,734
Tue 23/613:55
BKK
-
ORD
2 stops39h 07m
ANA
Tue 14/711:50
ORD
-
BKK
1 stop22h 25m
ANA
Deal found 1/5฿36,831
Fri 4/909:35
BKK
-
ORD
2 stops25h 29m
Multiple Airlines
Fri 25/911:50
ORD
-
BKK
1 stop24h 05m
Multiple Airlines
Deal found 30/4฿36,864
Mon 22/607:05
BKK
-
ORD
2 stops36h 45m
แอร์แคนาดา
Thu 27/808:45
ORD
-
BKK
2 stops25h 00m
แอร์แคนาดา
Deal found 29/4฿36,896
Mon 12/1007:05
BKK
-
ORD
2 stops38h 16m
แอร์แคนาดา
Wed 2/1207:15
ORD
-
BKK
2 stops28h 05m
แอร์แคนาดา
Deal found 29/4฿36,928
Wed 12/809:35
BKK
-
ORD
2 stops32h 45m
United Airlines
Wed 9/907:00
ORD
-
BKK
2 stops38h 35m
United Airlines
Deal found 30/4฿36,961
Sat 2/509:35
BKK
-
ORD
2 stops47h 28m
United Airlines
Fri 8/512:40
ORD
-
BKK
3 stops32h 55m
United Airlines
Deal found 30/4฿37,058
Mon 12/1002:35
BKK
-
ORD
2 stops29h 18m
แอร์แคนาดา
Wed 2/1207:15
ORD
-
BKK
2 stops28h 05m
แอร์แคนาดา
Deal found 29/4฿37,123

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 3 May 2026.

Return from

฿36,152

One-way from

฿20,131

Popular in

March

Cheapest in

February

Average price

฿37,090
United Airlines
  • United Airlines
  • 10/10-27/11
  • 4 total stops
  • 63h 10m total
  • Bangkok to Chicago
Search Deals
4/6
  • 4/6
  • 3 total stops
  • 56h 32m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿7,379 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,729 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 3 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

Mon 15/6

15:45-07:27

3 stops27h 42m

Chicago O'Hare Intl

Sat 5/12

08:50-05:10

2 stops31h 20m

฿37,511
Fastest return journey

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 9/10

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Thu 3/12

13:05-05:10

1 stop27h 05m

฿37,576

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 22/5

09:50-23:57

2 stops26h 07m

Chicago O'Hare Intl

Fri 20/11

11:15-00:45

1 stop24h 30m

฿38,806

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 13/10

21:40-12:37

2 stops26h 57m

Chicago O'Hare Intl

Mon 30/11

07:00-21:30

2 stops25h 30m

฿39,032

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 21/10

09:50-21:45

2 stops23h 55m

Chicago Midway

Tue 3/11

06:00-00:45

2 stops29h 45m

฿39,194

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 8/6

02:30-16:50

1 stop26h 20m

Chicago O'Hare Intl

Wed 17/6

19:20-07:15

1 stop23h 55m

฿40,068

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 20/7

10:50-06:20

2 stops31h 30m

Chicago O'Hare Intl

Thu 20/8

20:42-12:10

2 stops27h 28m

฿40,812

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 30/6

03:00-15:05

1 stop24h 05m

Chicago O'Hare Intl

Mon 13/7

16:30-06:20

2 stops25h 50m

฿41,298

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 15/6

15:45-20:11

3 stops40h 26m

Chicago O'Hare Intl

Tue 30/6

14:33-09:35

3 stops31h 02m

฿42,787

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 22/6

13:20-05:40

2 stops28h 20m

Chicago Midway

Thu 27/8

20:55-09:45

2 stops24h 50m

฿44,049

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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

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 24 hours 33 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, ANA and Korean Air.

EVA Air
EVA Air
From ฿34,504
Thai Airways
Thai Airways
From ฿36,811
ANA
ANA
From ฿34,088
Korean Air
Korean Air
From ฿30,690

What are the cheapest airlines that fly to Chicago?

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

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 3 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
1,216 reviews
Check prices

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
1,216 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
1,803 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
1,205 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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 ฿20,272.

  • 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 (22 hours 15 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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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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