What is the cheapest month to fly to Chicago?

Currently, January is the cheapest month in which you can book a flight to Chicago . Flying to Chicago in August will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

This is defined as Chicago O'Hare Intl Airport (ORD). Codes like ORD are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

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.

Can Cheapflights find flights to Chicago with no change fees?

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 Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Chicago today and book when you’re ready!

Cheap Flights to Chicago from ฿19,055

Flights to Chicago in 2023

Popular in	January
Cheapest in	April
Average price	฿37,730
Return from	฿34,923
One-way from	฿19,055

High demand for flights, 9% potential price rise

Search Deals

Best time to find cheap flights, 2% potential price drop

Search Deals

Average for return flights in June 2023

Search Deals

From Bangkok to Chicago

Search Deals

One-way flight from Bangkok to Chicago

Search Deals

Cheap flights to Chicago in June, July 2023

The deals listed below are some of the cheapest flights available to Chicago in June and July 2023. Deals update frequently so be sure to check back soon if you're not finding what you're looking for.

12 Jun - 7 Aug

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

44h 13m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

30h 00m

฿37,175

อเมริกันแอร์ไลน์

Deal found 1/6

19 Jun - 5 Jul

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

44h 58m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

31h 27m

฿39,427

อเมริกันแอร์ไลน์

Deal found 1/6

12 Jul - 27 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

25h 42m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

39h 20m

฿39,496

อเมริกันแอร์ไลน์

Deal found 1/6

7 Jun - 16 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

33h 25m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

28h 25m

฿39,600

อเมริกันแอร์ไลน์

Deal found 1/6

21 Jun - 5 Jul

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

43h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

34h 00m

฿39,670

อเมริกันแอร์ไลน์

Deal found 1/6

12 Jul - 2 Oct

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

25h 42m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

26h 15m

฿39,704

อเมริกันแอร์ไลน์

Deal found 1/6

12 Jun - 7 Aug

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

41h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

29h 35m

฿39,808

Multiple Airlines

Deal found 1/6

1 Jul - 24 Jul

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

35h 19m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

42h 57m

฿40,016

อเมริกันแอร์ไลน์

Deal found 1/6

14 Jun - 14 Jul

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

38h 50m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

49h 10m

฿40,848

เจแปนแอร์ไลน์

Deal found 31/5

Chicago 2023 flight deals

Browse some of the best deals on flights to Chicago in 2023. More deals are always being added, so be sure to check back regularly.

6 Sep - 8 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

41h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

34h 50m

฿34,923

ANA

Deal found 1/6

6 Sep - 8 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

41h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

24h 25m

฿35,512

ยูไนเต็ด

Deal found 1/6

18 Aug - 20 Aug

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

43h 04m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

26h 33m

฿35,616

อเมริกันแอร์ไลน์

Deal found 1/6

6 Sep - 8 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

41h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

37h 55m

฿35,685

ยูไนเต็ด

Deal found 1/6

5 Oct - 12 Oct

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

40h 20m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

24h 35m

฿35,859

เอวาแอร์

Deal found 1/6

24 Sep - 30 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

44h 04m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

43h 50m

฿35,963

อเมริกันแอร์ไลน์

Deal found 1/6

6 Sep - 8 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

28h 02m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

27h 50m

฿36,067

ยูไนเต็ด

Deal found 1/6

12 Jun - 7 Aug

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

44h 13m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

30h 00m

฿37,175

อเมริกันแอร์ไลน์

Deal found 1/6

24 Sep - 30 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

41h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

46h 17m

฿37,279

ยูไนเต็ด

Deal found 1/6

Last minute flights to Chicago

Browse through available last-minute flights traveling to Chicago. Make sure the flight you book matches the day, time, and destination you're looking for.

7 Jun - 16 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

33h 25m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

28h 25m

฿39,600

อเมริกันแอร์ไลน์

Deal found 1/6

11 Jun - 7 Aug

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

24h 30m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

23h 45m

฿43,758

Multiple Airlines

Deal found 1/6

7 Jun - 16 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

24h 30m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

29h 15m

฿48,504

Multiple Airlines

Deal found 1/6

8 Jun - 16 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

31h 00m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

29h 15m

฿51,727

Multiple Airlines

Deal found 1/6

7 Jun - 7 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

19h 55m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

1 stop

22h 50m

฿54,741

Multiple Airlines

Deal found 1/6

7 Jun - 7 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

24h 08m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

43h 05m

฿54,775

Multiple Airlines

Deal found 1/6

7 Jun - 7 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

19h 55m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

38h 40m

฿54,914

Multiple Airlines

Deal found 1/6

8 Jun - 16 Jun

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

30h 08m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

31h 28m

฿55,226

อเมริกันแอร์ไลน์

Deal found 1/6

11 Jun - 7 Aug

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

42h 15m

ORD

Chicago O'Hare Intl

BKK

Bangkok Suvarnabhumi

2 stops

34h 55m

฿55,538

เอทิฮัดแอร์เวย์

Deal found 1/6

One-way flights to Chicago

If you're looking for options on one-way flights to Chicago, check out these fares. Those seeking round-trip flights to Chicago should utilize the search form at the top of the page.

7 Oct

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

42h 15m

฿19,055

เอทิฮัดแอร์เวย์

Deal found 1/6

5 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

27h 27m

฿19,263

Multiple Airlines

Deal found 1/6

8 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

53h 00m

฿19,748

Multiple Airlines

Deal found 1/6

9 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

31h 50m

฿19,818

Multiple Airlines

Deal found 1/6

5 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

3 stops

32h 50m

฿19,852

Multiple Airlines

Deal found 1/6

9 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

1 stop

25h 45m

฿20,545

เอทิฮัดแอร์เวย์

Deal found 1/6

4 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

35h 43m

฿20,788

Multiple Airlines

Deal found 1/6

5 Sep

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

33h 20m

฿20,892

Multiple Airlines

Deal found 1/6

11 Nov

BKK

Bangkok Suvarnabhumi

ORD

Chicago O'Hare Intl

2 stops

59h 21m

฿20,926

เอทิฮัดแอร์เวย์

Deal found 1/6

Find flights to Chicago within your budget

Fly from

Budget

฿34,923 - ฿54,048

Route

Depart

Return

Price

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 6/9

1 stop41h 00m

Chicago O'Hare Intl

Wed 8/11

1 stop34h 50m

฿34,923

Pick Dates

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 6/9

1 stop41h 00m

Chicago O'Hare Intl

Wed 8/11

1 stop24h 25m

฿35,512

Pick Dates

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Fri 18/8

2 stops43h 04m

Chicago O'Hare Intl

Sun 20/8

2 stops26h 33m

฿35,616

Pick Dates

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 5/10

1 stop40h 20m

Chicago O'Hare Intl

Thu 12/10

1 stop24h 35m

฿35,859

Pick Dates

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Thu 5/10

1 stop31h 00m

Chicago O'Hare Intl

Fri 13/10

1 stop29h 05m

฿37,695

Pick Dates

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Mon 12/6

1 stop41h 00m

Chicago O'Hare Intl

Mon 7/8

2 stops29h 35m

฿39,808

Pick Dates

Bangkok SuvarnabhumiChicago O'Hare Intl

BKK - ORD

BKKORD

Bangkok Suvarnabhumi

Wed 14/6

2 stops38h 50m

Chicago O'Hare Intl

Fri 14/7

2 stops49h 10m

฿40,848

Pick Dates

Bangkok SuvarnabhumiChicago Midway

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Wed 6/9

2 stops29h 18m

Chicago Midway

Wed 8/11

2 stops27h 50m

฿48,019

Pick Dates

Bangkok SuvarnabhumiChicago Midway

BKK - MDW

BKKMDW

Bangkok Suvarnabhumi

Fri 20/10

2 stops39h 56m

Chicago Midway

Sat 4/11

2 stops28h 56m

฿54,048

Pick Dates

Flights are sorted by cheapest first

Deals found on 1/6

When is the best time to fly to Chicago?

BKK - CHI Price	฿32,958 - ฿91,809
CHI Temperature	-5 - 23 °C
CHI Rainfall	43 - 125 mm

BKK - CHI

Price

฿32,958 - ฿91,809

CHI

Temperature

-5 - 23 °C

CHI

Rainfall

43 - 125 mm

When is the best time to book a flight to Chicago?

The best time to book flights to Chicago is 60 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.

Search Deals

Other local departures to Chicago from Thailand

Koh Samui to Chicago

Chiang Mai to Chicago

Chicago, Illinois airports

Flights to Midway

Flights to O'Hare Intl

Flights to Charleston

Popular cities in Illinois

Cheap flights to Peoria

Cheap flights to Springfield

Cheap flights to St. Louis

Fly your favourite airline to Chicago

ANA flights from Suvarnabhumi to O'Hare Intl

Cheap flights to Chicago

Were you looking for Flights from Chicago?

Flights to Chicago in 2023

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Popular in

Cheapest in

Average price

Return from

One-way from

Cheap flights to Chicago in June, July 2023

The best prices found for CHI flights for June, July

The deals listed below are some of the cheapest flights available to Chicago in June and July 2023. Deals update frequently so be sure to check back soon if you're not finding what you're looking for.

Chicago 2023 flight deals

Cheap flights to Chicago found for this year

Browse some of the best deals on flights to Chicago in 2023. More deals are always being added, so be sure to check back regularly.

Last minute flights to Chicago

Late deals on round-trip flights to Chicago, departing today and this week

Browse through available last-minute flights traveling to Chicago. Make sure the flight you book matches the day, time, and destination you're looking for.

One-way flights to Chicago

The cheapest one-way flights to Chicago

If you're looking for options on one-way flights to Chicago, check out these fares. Those seeking round-trip flights to Chicago should utilize the search form at the top of the page.

Find flights to Chicago within your budget

Use the slider to find flights to Chicago that fit your budget.

When is the best time to fly to Chicago?

Average Chicago flight ticket prices and weather conditions for 2023 and 2024 by month

When is the best time to book a flight to Chicago?

The best time to book flights to Chicago is 60 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.

What does ORD mean?

Find the best Chicago flight deals for you

Cheap tickets to Chicago found by our users in Thailand as recently as 2 Jun 2023.

Other local departures to Chicago from Thailand

Chicago, Illinois airports

See all airports in Chicago, select one to find and compare flight prices.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2023

Popular cities in Illinois

Fly your favourite airline to Chicago

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights to Chicago?

Why should you use Cheapflights to find cheap flight tickets to Chicago?

Can Cheapflights find flights to Chicago with no change fees?

Can Cheapflights notify me if prices for flights to Chicago become cheaper?

100% Free

Book with Flexibility

Travel Smart