A waterfall cascading over rocks in a forested area.

Cheap Flights to DuPage County | Popular Routes to DuPage County from HK$942

View HK$942 flight on Sat, 26 Sept 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to DuPage County

  • American Airlines

  • United

  • Delta

  • Alaska Airlines

  • Frontier Airlines

  • JetBlue Airways

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to DuPage County

Prices were available within the past 7 days and start at HK$942 for one-way flights and HK$1,874 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
United
Delta
Delta
Delta
Delta
American Airlines
Delta
American Airlines
Aeromexico

Trending flights to DuPage County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada

Frequently asked questions

How do I find cheap flights to DuPage County that have flexible change policies?
We know that travel schedules can change from one day to the next, so booking a flexible fare with Expedia is a wise idea. Just tick the "No change fee" box directly below the "Flexible change policies" filter. Your low-priced, flexible flight to DuPage County is just a few clicks away.
Which airlines fly to DuPage County?
Decide on your vacation dates and then make your way towards DuPage County with one of these leading airlines:
  • United Airlines - 12,954 flights to or near DuPage County each month, including 12,950 flights to O'Hare Intl. Airport (ORD) per month.
  • American Airlines - 8,855 flights to or near DuPage County each month, including 8,855 flights to O'Hare Intl. Airport (ORD) per month.
  • Southwest Airlines - 5,997 flights to or near DuPage County each month, including 5,334 flights to Midway Intl. Airport (MDW) per month.
How can I find cheap tickets to DuPage County?
For the best deal to DuPage County, book well ahead of time. Also make use of Expedia's "flexible dates" link at the top of your search results. This will display the cheapest prices for nearby days. In the last seven days, HK$1,874 was the lowest price for a flight to DuPage County.
How much is a flight to DuPage County?
The price of a round-trip journey to DuPage County in the last seven days varied between HK$1,874 and HK$6,760. If you were heading one way out of San Francisco (SFO), you could have purchased a cheap fare from just HK$942.
What are the most popular airports to fly into in DuPage County?
When you've decided where you're going in DuPage County, take your pick of these major 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 DuPage County?
Leave for DuPage County early in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to fly out, followed by Monday. If you want to avoid the most expensive flights, give Saturdays a wide berth.
How much is a plane ticket to DuPage County?
In the last seven days, seats varied between HK$1,874 and HK$6,760. Take a look at our fantastic deals to DuPage County, make a booking and get ready for your next fun vacation!
What months are the cheapest to book a flight to DuPage County?
February is the most affordable month to reserve a seat for your DuPage County escape. Airfares cost the most throughout the busy month of December, so avoid this time if you can.

Book with confidence

About DuPage County

Expedia offers flights to DuPage County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to DuPage County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About DuPage County
*Available to Expedia members.