฿19,472+ Cheap flights to Chicago

— CHI
9 Dec — 16 Dec1
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

Thu 12/1119:55 -
1 stop24h 40m
Sat 28/1114:10 -
1 stop32h 10m
Deal found 5/11฿31,370
Wed 11/1119:55 -
1 stop24h 40m
Mon 11/113:15 -
1 stop28h 20m
Deal found 9/11฿32,576
Wed 18/1115:15 -
1 stop29h 20m
Wed 2/1206:40 -
2 stops33h 20m
Deal found 9/11฿32,710
Thu 24/1201:05 -
1 stop20h 25m
Fri 25/612:30 -
1 stop21h 15m
Deal found 5/11฿32,878
Sat 7/1108:35 -
1 stop36h 00m
Mon 16/1113:30 -
2 stops26h 30m
Deal found 5/11฿32,945
Thu 24/1201:05 -
1 stop20h 25m
Wed 23/612:30 -
1 stop21h 15m
Deal found 7/11฿33,180
Sun 20/1212:15 -
2 stops31h 39m
Wed 20/113:15 -
1 stop29h 00m
Deal found 4/11฿33,347
Mon 9/1113:10 -
2 stops28h 52m
Mon 16/1106:29 -
2 stops27h 16m
Deal found 7/11฿33,381

Find flight deals to Chicago

Return from

฿32,208

One-way from

฿19,472

Popular in

March

Cheapest in

November

Average price

฿34,621
โอมานแอร์
  • โอมานแอร์
  • 6/4-21/4
  • 4 total stops
  • 76h 55m total
  • Bangkok to Chicago
Qatar Airways
  • Qatar Airways
  • 7/12-31/12
  • 1 total stop
  • 41h 45m total
  • Bangkok to Chicago
Highest demand for flights based on searches. 25% potential increase in price (฿14,406 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (฿1,912 potential savings vs. average return price).
Average for return flights in November 2026

Cheapflights Fare Finder

 
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 Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 25/11

20:35-14:30

1 stop30h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,740

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 25/11

08:25-23:59

2 stops28h 34m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,980

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sun 28/2

21:40-08:30

1 stop23h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,651
Fastest return journey

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Fri 19/2

01:05-08:30

1 stop20h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,852

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 7/4

21:40-09:40

1 stop24h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿23,025

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 21/4

21:40-09:40

1 stop24h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿23,058

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Tue 30/3

23:30-09:40

1 stop22h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿23,159

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Sat 20/2

01:05-08:30

1 stop20h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿23,226

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Wed 31/3

21:40-23:46

2 stops38h 06m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿23,326

BangkokChicago

BKK Bangkok Suvarnabhumi - ORD Chicago O'Hare Intl

BKKORD

Bangkok Suvarnabhumi

Thu 11/2

16:55-18:54

3 stops38h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿23,762

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 23 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

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 55 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 cheapest airlines that fly to Chicago?

The cheapest airlines flying from Bangkok to Chicago are Thai Airways, Korean Air and ANA.

Rainfall in Chicago 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

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 79 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.

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, Cathay Pacific 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 ฿2,848, while return flights cost around ฿58,924.

  • How much is a return flight to Chicago?

    A return flight to Chicago will typically cost around ฿58,924, however they can be found for as little as ฿58,924.

  • Where does the fastest flight to Chicago depart from?

    For those looking to save time traveling to Chicago, Chiang Mai offers the quickest one-way flight (20 hours 45 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

Airports serving Chicago

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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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