A sunset over a calm body of water with a rocky shoreline and trees in the foreground.

Cheap Flights to Madison County | Popular Routes to Madison County from HK$1,017

View HK$1,017 flight on Wed, 9 Sept 2026Opens in a new window

Popular airlines to Madison County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • 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 Madison County

Prices were available within the past 7 days and start at HK$1,017 for one-way flights and HK$3,095 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 20 Aug - Mon, 24 Aug
LAS
Las Vegas
STL
St. Louis
HK$3,095 Return, found 18 hours ago
HK$3,095
Return
found 18 hours ago
Select United flight, departing Thu, 20 Aug from Las Vegas to St. Louis, returning Mon, 24 Aug, priced at HK$3,095 found 18 hours ago
Delta
Sat, 3 Oct - Sat, 3 Oct
LAS
Las Vegas
STL
St. Louis
HK$3,131 Return, found 19 hours ago
HK$3,131
Return
found 19 hours ago
Select Delta flight, departing Sat, 3 Oct from Las Vegas to St. Louis, returning Sat, 3 Oct, priced at HK$3,131 found 19 hours ago
American Airlines
Sat, 22 Aug - Mon, 24 Aug
LAS
Las Vegas
STL
St. Louis
HK$3,131 Return, found 18 hours ago
HK$3,131
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 22 Aug from Las Vegas to St. Louis, returning Mon, 24 Aug, priced at HK$3,131 found 18 hours ago
Delta
Tue, 11 Aug - Sun, 16 Aug
BUR
Burbank
STL
St. Louis
HK$3,142 Return, found 6 hours ago
HK$3,142
Return
found 6 hours ago
Select Delta flight, departing Tue, 11 Aug from Burbank to St. Louis, returning Sun, 16 Aug, priced at HK$3,142 found 6 hours ago
Alaska Airlines
Tue, 28 Jul - Wed, 5 Aug
LAX
Los Angeles
STL
St. Louis
HK$4,045 Return, found 9 hours ago
HK$4,045
Return
found 9 hours ago
Select Alaska Airlines flight, departing Tue, 28 Jul from Los Angeles to St. Louis, returning Wed, 5 Aug, priced at HK$4,045 found 9 hours ago
Delta
Mon, 3 Aug - Thu, 6 Aug
DCA
Washington
STL
St. Louis
HK$4,260 Return, found 6 hours ago
HK$4,260
Return
found 6 hours ago
Select Delta flight, departing Mon, 3 Aug from Washington to St. Louis, returning Thu, 6 Aug, priced at HK$4,260 found 6 hours ago
United
Tue, 11 Aug - Sun, 16 Aug
ONT
Ontario
STL
St. Louis
HK$5,388 Return, found 6 hours ago
HK$5,388
Return
found 6 hours ago
Select United flight, departing Tue, 11 Aug from Ontario to St. Louis, returning Sun, 16 Aug, priced at HK$5,388 found 6 hours ago
American Airlines
Tue, 11 Aug - Sun, 16 Aug
LAX
Los Angeles
STL
St. Louis
HK$5,437 Return, found 6 hours ago
HK$5,437
Return
found 6 hours ago
Select American Airlines flight, departing Tue, 11 Aug from Los Angeles to St. Louis, returning Sun, 16 Aug, priced at HK$5,437 found 6 hours ago
EVA Airways
Sun, 13 Sept - Sun, 27 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$8,433 Return, found 6 days ago
HK$8,433
Return
found 6 days ago
Select EVA Airways flight, departing Sun, 13 Sept from Hong Kong SAR to St. Louis, returning Sun, 27 Sept, priced at HK$8,433 found 6 days ago
Qatar Airways
Wed, 14 Oct - Mon, 2 Nov
HKG
Hong Kong SAR
STL
St. Louis
HK$8,963 Return, found 20 hours ago
HK$8,963
Return
found 20 hours ago
Select Qatar Airways flight, departing Wed, 14 Oct from Hong Kong SAR to St. Louis, returning Mon, 2 Nov, priced at HK$8,963 found 20 hours ago

Trending flights to Madison 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.

EVA Airways
Sun, 13 Sept - Sun, 27 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$8,433 Return, found 6 days ago
HK$8,433
Return
found 6 days ago
Select EVA Airways flight, departing Sun, 13 Sept from Hong Kong SAR to St. Louis, returning Sun, 27 Sept, priced at HK$8,433 found 6 days ago

Frequently asked questions

How do I find cheap flights to Madison County that have flexible change policies?
At Expedia, we've been channeling our inner gymnast to get you the most flexible fares on the market. Simply check the "No change fee" box directly underneath the "Flexible change policies" subheading to find the best flights to Madison County.
Which airlines fly to Madison County?
You can take your pick of a range of airlines that operate flights in or near Madison County. A few of your top options are:

  • Southwest Airlines - 2,214 flights to or near Madison County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near Madison County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near Madison County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Madison County?
One of the easiest ways to nab cheap tickets to Madison County is to be flexible with your dates. Search for your flights, then click "flexible dates" above the results. It will bring up the cheapest prices for nearby days. The best price for a flight to Madison County in the last seven days was HK$3,095. Booking ahead will usually help you pick up an even bigger bargain.
How much is a flight to Madison County?
The cost of a round-trip ticket to Madison County in the last seven days varied between HK$3,095 and HK$8,963. If you were heading one way from Washington (DCA), you could have gotten a great deal from only HK$1,017.
What are the most popular airports to fly into in Madison County?
Get ready to pack your bags and fly into Lambert-St. Louis Intl. Airport (STL), Madison County's primary flight hub. Book a ticket on one of the 4,902 flights that touch down at this popular destination every month.
When is the cheapest time to fly to Madison County?
If you'd prefer to spend your vacation money exploring Madison County rather than on your journey there, jet off early in the week. The cheapest day to fly is normally Tuesday, with Monday running a close second. With many folks traveling on weekends, Saturday typically has the costliest airfares.
How much is a plane ticket to Madison County?
In the last seven days, seats to Madison County cost between HK$3,095 and HK$8,963. Prices tend to go up over time, so land yourself a good deal today.
What is the best time to go to Madison County?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are a terrific time to discover the leading Madison County city of Alton. Average temperatures fluctuate between 18ºC and 29ºC throughout this season. The biggest crowds flock here in June, July and August.
What months are the cheapest to book a flight to Madison County?
A great month to book affordable flights to Madison County is February. Bear in mind that in the United States, the most expensive time to reserve a seat is during the month of December.

Book with confidence

About Madison County

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