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Cheap flights to Chicago

— CHI
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Chicago

Popular in

March

Cheapest in

November

Average price

฿36,588
Highest demand for flights based on searches. 17% potential increase in price (฿8,359 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (฿1,770 potential savings vs. average return price).
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Average for return flights in September 2026
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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

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

The best time to book flights to Chicago is 80 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

Check out reviews from past customers who have flown Korean Air 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
1,218 reviews
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

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
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

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, Thai Airways 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 ฿2,819, while return flights cost around ฿42,536.

  • How much is a return flight to Chicago?

    A return flight to Chicago will typically cost around ฿42,536, however they can be found for as little as ฿42,536.

  • 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 (20 hours 0 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

Flights to Midway
Flights to O'Hare Intl
Flights from Midway
Flights from O'Hare Intl

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