Cheap Flights to Northwest Chicago from HK$670

View HK$670 flight on Sat, 7 Mar 2026Opens in a new window

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Cheap round-trip flights to Northwest Chicago

Prices were available within the past 7 days and start at HK$670 for one-way flights and HK$758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 4 Mar - Tue, 10 Mar
STL
St. Louis
ORD
Chicago
HK$758 Return, found 1 day ago
HK$758
Return
found 1 day ago
Select United flight, departing Wed, 4 Mar from St. Louis to Chicago, returning Tue, 10 Mar, priced at HK$758 found 1 day ago
Delta
Sat, 7 Mar - Tue, 10 Mar
STL
St. Louis
MDW
Chicago
HK$1,364 Return, found 1 day ago
HK$1,364
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Mar from St. Louis to Chicago, returning Tue, 10 Mar, priced at HK$1,364 found 1 day ago
American Airlines
Sat, 7 Mar - Tue, 10 Mar
STL
St. Louis
ORD
Chicago
HK$1,522 Return, found 1 day ago
HK$1,522
Return
found 1 day ago
Select American Airlines flight, departing Sat, 7 Mar from St. Louis to Chicago, returning Tue, 10 Mar, priced at HK$1,522 found 1 day ago
Porter Airlines
Wed, 22 Apr - Thu, 30 Apr
YTZ
Toronto
MDW
Chicago
HK$1,692 Return, found 3 days ago
HK$1,692
Return
found 3 days ago
Select Porter Airlines flight, departing Wed, 22 Apr from Toronto to Chicago, returning Thu, 30 Apr, priced at HK$1,692 found 3 days ago
Air Canada
Thu, 23 Apr - Tue, 28 Apr
YTZ
Toronto
ORD
Chicago
HK$1,704 Return, found 1 day ago
HK$1,704
Return
found 1 day ago
Select Air Canada flight, departing Thu, 23 Apr from Toronto to Chicago, returning Tue, 28 Apr, priced at HK$1,704 found 1 day ago

Frequently asked questions

How do I find cheap flights to Northwest Chicago that have flexible change policies?
When it comes to flying these days, flexibility is important. That's why we have a "No change fee" search function to help you track down flexible, low-cost tickets to Northwest Chicago. It's near the top left of your screen under the "Flexible change policies" heading.
Which airlines fly to Northwest Chicago?
With a great range of airlines operating flights into or near Northwest Chicago, you're not short on choice:

  • United Airlines - 12,954 flights to or near Northwest Chicago each month, including 12,950 flights to O'Hare Intl. Airport (ORD) per month.
  • American Airlines - 8,855 flights to or near Northwest Chicago each month, including 8,855 flights to O'Hare Intl. Airport (ORD) per month.
  • Southwest Airlines - 5,997 flights to or near Northwest Chicago each month, including 5,334 flights to Midway Intl. Airport (MDW) per month.

How can I find cheap tickets to Northwest Chicago?
Book ahead of time, consider alternative airports, avoid holiday periods — there are plenty of ways! Another one is to use Expedia's "flexible dates" function. Find your Northwest Chicago flight, then check out the cheapest prices for nearby dates. In the last seven days, the best price for a flight to Northwest Chicago was HK$758.
How much is a flight to Northwest Chicago?
If you were journeying one way from St. Louis (STL), you could've scored a low-cost fare for just HK$670 in the last seven days. Return flights to Northwest Chicago ranged from only HK$758 to HK$6,403 over the same period.
What are the most popular airports to fly into in Northwest Chicago?
Pack your bags and coast into one of these top Northwest Chicago airports:

  • O'Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.

When is the cheapest time to fly to Northwest Chicago?
Departing on a Tuesday, followed by a Monday, is usually the best way to land the cheapest deal. Stay away from the weekends if possible, because Saturday is typically the costliest day. Spend the cash you saved having an awesome time in Northwest Chicago instead!
How much is a plane ticket to Northwest Chicago?
Prices ranged from just HK$758 to HK$6,403 over the last seven days. When you're ready to book, we'll be ready to help you lock in a fabulous deal to Northwest Chicago.
What months are the cheapest to book a flight to Northwest Chicago?
The cheapest month to bag a top deal to Northwest Chicago is February, while prices rise considerably in December. Steer clear of this month if you're watching your pennies.
Flights to Northwest Chicago information
Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Destination city name
Chicago
Return price
HK$758

Trending flights to Northwest Chicago

Prices were available within the past 7 days and start at HK$670 for one-way flights and HK$758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 30 Sept - Wed, 28 Oct
HKG
Hong Kong SAR
ORD
Chicago
HK$6,403 Return, found 1 day ago
HK$6,403
Return
found 1 day ago
Select Air Canada flight, departing Wed, 30 Sept from Hong Kong SAR to Chicago, returning Wed, 28 Oct, priced at HK$6,403 found 1 day ago

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