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฿22,650+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
3 Sep — 10 Sep1
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 4 August 2026.

Mon 31/812:40 -
1 stop20h 30m
Sat 12/900:30 -
1 stop22h 10m
Deal found 3/8฿26,586
Fri 9/1017:15 -
1 stop39h 30m
Mon 12/1000:30 -
1 stop28h 20m
Deal found 3/8฿26,920
Mon 31/808:15 -
1 stop24h 55m
Sun 6/900:30 -
1 stop33h 05m
Deal found 1/8฿26,953
Tue 25/812:40 -
1 stop20h 30m
Mon 21/900:30 -
1 stop28h 20m
Deal found 3/8฿27,020
Tue 15/908:15 -
1 stop24h 30m
Mon 21/900:30 -
1 stop28h 20m
Deal found 3/8฿27,053
Fri 18/917:15 -
1 stop39h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 2/8฿27,187
Wed 2/917:15 -
1 stop39h 30m
Tue 8/900:30 -
1 stop22h 10m
Deal found 2/8฿27,320
Fri 4/908:15 -
1 stop24h 30m
Thu 24/900:30 -
1 stop33h 05m
Deal found 2/8฿27,454
Sun 13/909:50 -
2 stops24h 54m
Sun 20/909:59 -
2 stops25h 36m
Deal found 30/7฿32,357
Mon 14/909:50 -
2 stops24h 54m
Mon 21/909:29 -
2 stops27h 36m
Deal found 31/7฿32,390
Fri 18/923:30 -
2 stops30h 52m
Fri 25/909:29 -
2 stops24h 16m
Deal found 4/8฿34,158
Mon 19/1021:40 -
2 stops27h 07m
Mon 2/1118:44 -
2 stops39h 36m
Deal found 31/7฿34,225

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 4 August 2026.

Return from

฿26,586

One-way from

฿22,650

Popular in

March

Cheapest in

October

Average price

฿42,098
Thai Airways
  • Thai Airways
  • 31/8-12/9
  • 2 total stops
  • 42h 40m total
  • Bangkok to Chicago
Search Deals
2/9
  • 2/9
  • 3 total stops
  • 41h 27m total
  • Bangkok to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿7,368 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,765 potential savings vs. average return price).
Search Deals
Average for return flights in August 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 4 August 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

Tue 8/9

09:50-23:57

2 stops26h 07m

Chicago O'Hare Intl

Tue 29/9

05:30-21:45

2 stops28h 15m

฿32,357

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Sun 13/9

09:50-22:44

2 stops24h 54m

Chicago Midway

Sun 20/9

09:59-23:35

2 stops25h 36m

฿32,357

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 14/9

09:50-22:44

2 stops24h 54m

Chicago Midway

Mon 21/9

09:29-01:05

2 stops27h 36m

฿32,390

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 16/9

09:50-22:44

2 stops24h 54m

Chicago Midway

Mon 21/9

09:29-21:45

2 stops24h 16m

฿32,390

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Tue 8/9

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Tue 29/9

14:00-09:35

2 stops31h 35m

฿34,092

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 4/9

07:00-14:55

1 stop19h 55m

Chicago O'Hare Intl

Fri 25/9

15:00-09:35

2 stops30h 35m

฿34,158

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 20/8

02:35-23:29

2 stops32h 54m

Chicago O'Hare Intl

Wed 23/9

08:25-23:35

2 stops27h 10m

฿34,158

BangkokChicago

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 20/8

21:40-23:29

2 stops37h 49m

Chicago O'Hare Intl

Sun 20/9

07:05-23:35

2 stops28h 30m

฿34,158

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Mon 2/11

23:15-12:47

2 stops26h 32m

Chicago Midway

Mon 16/11

17:09-13:25

2 stops31h 16m

฿34,158

BangkokChicago

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 4/11

00:55-12:47

2 stops24h 52m

Chicago Midway

Mon 16/11

17:09-13:25

2 stops31h 16m

฿34,158

Flights are sorted by cheapest return flights first.

Deals found on 30/7

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

How long is the flight to Chicago?

On average, a flight from Bangkok to Chicago takes 24 hours 10 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 ฿37,940
Korean Air
Korean Air
From ฿32,426
EVA Air
EVA Air
From ฿36,491
ANA
ANA
From ฿33,292

What are the cheapest airlines that fly to Chicago?

The cheapest airlines flying from Bangkok to Chicago are Korean Air, ANA 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 84 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 4 August 2026.
Check out reviews from past customers who have flown Korean Air and Japan Airlines 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
1,222 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

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
1,222 reviews
Korean Air
8.4
Very Good
1,222 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

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
1,889 reviews
Korean Air
8.4
Very Good
1,222 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

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.

  • 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 40 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

Browse thousands of different options on Cheapflights for your next trip

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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?

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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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