Cheap Flights to Chicago

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Home USA Cheap flights to Chicago, Illinois

Flights to Chicago in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJanuaryHigh demand for flights, 12% potential price rise
Cheapest inAugustBest time to find cheap flights, 4% potential price drop
Average price฿28,247Average for round-trip flights in October 2021
Round-trip from฿22,850From Bangkok to Chicago
One-way from฿331One-way flight from Bangkok to Chicago

Cheap flights to Chicago in October, November 2021

The best prices found for ORD flights for October, November
30 Oct - 14 Jan
฿21,227pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
4 Nov - 6 Dec
฿21,293pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
3 Nov - 14 Jan
฿21,657pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi

Chicago 2021 flight deals

Cheap flights to Chicago found for this year
13 Dec - 11 Jan
฿21,061pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
13 Dec - 11 Jan
฿21,128pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
     
3 STOPS
BKK
Bangkok Suvarnabhumi
30 Oct - 14 Jan
฿21,227pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi

Last minute flights to Chicago

Late deals on return flights to Chicago, departing today and this week
2 Nov - 4 Dec
฿21,227pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
4 Nov - 6 Dec
฿21,293pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
3 Nov - 14 Jan
฿21,657pp
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi

COVID Restrictions

View COVID Travel Restrictions for Chicago

Can I fly to Chicago from USA right now?

Information is based on travel restrictions for travel to Chicago within the United States

Most visitors from USA need to provide a negative COVID-19 test result and/or quarantine to enter Chicago.

COVID-19 testing requirements
Visitors from USA must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from USA are not required to quarantine after entering Chicago.

Can I fly back to USA from Chicago?

Returning to USA from Chicago

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) test taken 72 hours before departing to USA.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering USA.

Hide COVID Travel Restrictions for Chicago

Cheapest prices for Chicago flights by month

The cheapest ticket to Chicago found for each month in 2021 based on historical flight searches by Cheapflights users.
January
฿32,652
March
฿24,505
April
฿28,810
May
฿22,816
June
฿25,168
July
฿33,645
September
฿28,314
October
฿19,869
November
฿24,472
December
฿21,194

When is the best time to fly to Chicago?

Average Chicago flight ticket prices and weather conditions for 2021 and 2022 by month.
TH1 - CHI
Price
฿21,443 - ฿44,581
CHI
Temperature
1 - 29 °C
CHI
Precipitation
17 - 109 mm
March is typically the best time to fly to Chicago, but there are other times where great deals are available. If you are looking for warm weather when you arrive off of your flight to Chicago then July is statistically the hottest. May is historically the period with most rainfall.

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

The best time to book flights to Chicago is 34 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.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Chicago flight prices.

Find the best prices for you!

Cheap tickets to Chicago found by our users in Thailand as recently as October 27, 2021.

Chicago, Illinois airports

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

Cheapest flights to USA

Not set on Chicago? See the cheapest flights to Thailand. Airfare prices updated on October 27, 2021.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.
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