Cheap Flights to Illinois | Popular Routes to Illinois from HK$1,050

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Popular airlines to Illinois

  • Frontier Airlines

  • Delta

  • American Airlines

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at HK$1,050 for one-way flights and HK$2,099 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 18 Jul - Sat, 25 Jul
PHL
Philadelphia
MDW
Chicago
HK$2,099 Return, found 3 hours ago
HK$2,099
Return
found 3 hours ago
Select Delta flight, departing Sat, 18 Jul from Philadelphia to Chicago, returning Sat, 25 Jul, priced at HK$2,099 found 3 hours ago
Delta
Tue, 1 Sept - Tue, 8 Sept
PHL
Philadelphia
ORD
Chicago
HK$2,099 Return, found 2 hours ago
HK$2,099
Return
found 2 hours ago
Select Delta flight, departing Tue, 1 Sept from Philadelphia to Chicago, returning Tue, 8 Sept, priced at HK$2,099 found 2 hours ago
United
Tue, 1 Sept - Tue, 8 Sept
PHL
Philadelphia
ORD
Chicago
HK$2,566 Return, found 2 hours ago
HK$2,566
Return
found 2 hours ago
Select United flight, departing Tue, 1 Sept from Philadelphia to Chicago, returning Tue, 8 Sept, priced at HK$2,566 found 2 hours ago
American Airlines
Tue, 1 Sept - Tue, 8 Sept
PHL
Philadelphia
ORD
Chicago
HK$2,566 Return, found 2 hours ago
HK$2,566
Return
found 2 hours ago
Select American Airlines flight, departing Tue, 1 Sept from Philadelphia to Chicago, returning Tue, 8 Sept, priced at HK$2,566 found 2 hours ago
Delta
Tue, 16 Jun - Fri, 3 Jul
HKG
Hong Kong SAR
ORD
Chicago
HK$7,380 Return, found 5 hours ago
HK$7,380
Return
found 5 hours ago
Select Delta flight, departing Tue, 16 Jun from Hong Kong SAR to Chicago, returning Fri, 3 Jul, priced at HK$7,380 found 5 hours ago
Philippine Airlines
Fri, 20 Nov - Mon, 30 Nov
HKG
Hong Kong SAR
ORD
Chicago
HK$7,669 Return, found 3 days ago
HK$7,669
Return
found 3 days ago
Select Philippine Airlines flight, departing Fri, 20 Nov from Hong Kong SAR to Chicago, returning Mon, 30 Nov, priced at HK$7,669 found 3 days ago
Qatar Airways
Wed, 9 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
ORD
Chicago
HK$8,110 Return, found 1 day ago
HK$8,110
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 9 Sept from Hong Kong SAR to Chicago, returning Wed, 16 Sept, priced at HK$8,110 found 1 day ago
Delta
Thu, 18 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
MDW
Chicago
HK$8,123 Return, found 14 hours ago
HK$8,123
Return
found 14 hours ago
Select Delta flight, departing Thu, 18 Jun from Hong Kong SAR to Chicago, returning Sat, 27 Jun, priced at HK$8,123 found 14 hours ago
Air Canada
Thu, 17 Sept - Thu, 24 Sept
HKG
Hong Kong SAR
ORD
Chicago
HK$8,432 Return, found 3 days ago
HK$8,432
Return
found 3 days ago
Select Air Canada flight, departing Thu, 17 Sept from Hong Kong SAR to Chicago, returning Thu, 24 Sept, priced at HK$8,432 found 3 days ago
Delta
Tue, 16 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
STL
St. Louis
HK$8,500 Return, found 2 days ago
HK$8,500
Return
found 2 days ago
Select Delta flight, departing Tue, 16 Jun from Hong Kong SAR to St. Louis, returning Sun, 26 Jul, priced at HK$8,500 found 2 days ago

Trending flights to Illinois

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.

Delta
Tue, 16 Jun - Fri, 3 Jul
HKG
Hong Kong SAR
ORD
Chicago
HK$7,380 Return, found 5 hours ago
HK$7,380
Return
found 5 hours ago
Select Delta flight, departing Tue, 16 Jun from Hong Kong SAR to Chicago, returning Fri, 3 Jul, priced at HK$7,380 found 5 hours ago

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
Search for cheap flights to Illinois, then tick the "No change fee" box under the "Flexible change policies" heading. From then on it's smooth sailing. We understand that travel plans change and flexibility is essential, so book with confidence with Expedia.
Which airlines fly to Illinois?
Whether you're travelling somewhere new or rendezvousing at a favourite haunt, these airlines are waiting to take you into or near Illinois:

  • United Airlines - 13,063 flights to or near Illinois each month, including 12,950 flights to O'Hare Intl. Airport (ORD) and 108 flights to Quad City Intl. Airport (MLI) per month.
  • American Airlines - 8,977 flights to or near Illinois each month, including 8,855 flights to O'Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 5,997 flights to or near Illinois each month, including 5,334 flights to Midway Intl. Airport (MDW) and 663 flights to O'Hare Intl. Airport (ORD) per month.

How can I find cheap tickets to Illinois?
One of the easiest ways to find cheap tickets to Illinois is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll reveal the cheapest prices for nearby days. The lowest price for a flight to Illinois in the last seven days was HK$2,099. Booking well in advance will generally help you score an even bigger bargain.
How much is a flight to Illinois?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return airfare to Illinois ranging between HK$2,099 and HK$8,500. Many lucky travelers nabbed one-way tickets from Philadelphia (PHL) for as little as HK$1,050.
What are the most popular airports to fly into in Illinois?
Touch down at one of these top Illinois airports and you'll be perfectly placed to discover all that this wonderful region has to offer:

  • O'Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.
  • Quad City Intl. Airport (MLI) - 325 flights per month.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from HK$2,099 to HK$8,500.
What is the best time to go to Illinois?
A terrific time to check out Chicago is after June 20 when the summer season starts. In Illinois's main city, average temperatures range from 18ºC to 24ºC at this time — ideal weather for sightseeing! May, June and August are the most popular months to head to this hot spot.
What months are the cheapest to book a flight to Illinois?
The top month to purchase affordable flights to Illinois is February. Remember that in the U.S, an expensive time to reserve a ticket is during the busy month of December.

Book with confidence

About Illinois

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

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