Cheap Flights to Marion County | Popular Routes to Marion County from HK$693

View HK$693 flight on Tue, 17 Feb 2026Opens in a new window

Popular airlines to Marion County

  • HK Express

    HK Express

  • Cathay Pacific

    Cathay Pacific

  • Peach

    Peach

  • British Airways

    British Airways

  • AirAsia

    AirAsia

  • Thai AirAsia

    Thai AirAsia

  • Hong Kong Airlines

    Hong Kong Airlines

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Cheap round-trip flights to Marion County

Prices were available within the past 7 days and start at HK$693 for one-way flights and HK$2,245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,245 Return, found 1 day ago
HK$2,245
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,245 found 1 day ago
Delta
Sat, 23 May - Sat, 30 May
SEA
Seattle
STL
St. Louis
HK$2,267 Return, found 1 day ago
HK$2,267
Return
found 1 day ago
Select Delta flight, departing Sat, 23 May from Seattle to St. Louis, returning Sat, 30 May, priced at HK$2,267 found 1 day ago
United
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,417 Return, found 1 day ago
HK$2,417
Return
found 1 day ago
Select United flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,417 found 1 day ago
Delta
Sat, 17 Jan - Sun, 18 Jan
LAX
Los Angeles
STL
St. Louis
HK$2,460 Return, found 5 days ago
HK$2,460
Return
found 5 days ago
Select Delta flight, departing Sat, 17 Jan from Los Angeles to St. Louis, returning Sun, 18 Jan, priced at HK$2,460 found 5 days ago
Delta
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,557 Return, found 1 day ago
HK$2,557
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,557 found 1 day ago
Delta
Sat, 23 May - Sat, 30 May
SEA
Seattle
STL
St. Louis
HK$2,611 Return, found 1 day ago
HK$2,611
Return
found 1 day ago
Select Delta flight, departing Sat, 23 May from Seattle to St. Louis, returning Sat, 30 May, priced at HK$2,611 found 1 day ago
United
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,642 Return, found 1 day ago
HK$2,642
Return
found 1 day ago
Select United flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,642 found 1 day ago
Alaska Airlines
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,758 Return, found 1 day ago
HK$2,758
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,758 found 1 day ago
American Airlines
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,837 Return, found 1 day ago
HK$2,837
Return
found 1 day ago
Select American Airlines flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,837 found 1 day ago
China Airlines
Mon, 26 Jan - Sat, 31 Jan
HKG
Hong Kong SAR
STL
St. Louis
HK$7,119 Return, found 1 day ago
HK$7,119
Return
found 1 day ago
Select China Airlines flight, departing Mon, 26 Jan from Hong Kong SAR to St. Louis, returning Sat, 31 Jan, priced at HK$7,119 found 1 day ago

About Marion County

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

Frequently asked questions

How do I find cheap flights to Marion County that have flexible change policies?
At Expedia, we've been channeling our inner Olympic gymnast to deliver you the most flexible airfares in town. Just click on "No change fee" directly under the filter heading "Flexible change policies" to find the best flights to Marion County.
Which airlines fly to Marion County?
Dig out your passport, pack your bags and take your pick of these well-known airlines that have flights into or near Marion County:

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

How can I find cheap tickets to Marion County?
You'll always get an amazing deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then tick the flexible dates box above to reveal the cheapest prices for nearby days. HK$2,245 was the cheapest price for a flight to Marion County in the last seven days.
How much is a flight to Marion County?
There were lots of bargain fares up for grabs in the last seven days, with the price of a return flight to Marion County varying between HK$2,245 and HK$7,119. Many lucky travelers purchased one-way tickets from Seattle (SEA) for as little as HK$693.
What are the most popular airports to fly into in Marion County?
Start organizing your Marion County vacation by reserving a seat on one of the 4,902 flights each month to Lambert-St. Louis Intl. Airport (STL). This is the region's primary gateway.
When is the cheapest time to fly to Marion County?
Leave for Marion County early on in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to jump on a plane, closely followed by Monday. If you're eager to avoid the costliest flights, give Saturdays a wide berth.
How much is a plane ticket to Marion County?
In the last seven days, airfares ranged between HK$2,245 and HK$7,119. Swipe through our fabulous deals to Marion County, make a booking and then start packing!
What is the best time to go to Marion County?
One of the best times to explore Kinmundy is after June 20 when summer begins. In Marion County's most populous city, average temperatures range from 18ºC to 27ºC during this time — prime weather for seeing the sights! July, August and September are the most popular months to travel to this hot spot.
What months are the cheapest to book a flight to Marion County?
Snap up your ticket in February to enjoy inexpensive flights to Marion County. December is often the most expensive time to buy a fare.

Trending flights to Marion 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.

China Airlines
Mon, 26 Jan - Sat, 31 Jan
HKG
Hong Kong SAR
STL
St. Louis
HK$7,119 Return, found 1 day ago
HK$7,119
Return
found 1 day ago
Select China Airlines flight, departing Mon, 26 Jan from Hong Kong SAR to St. Louis, returning Sat, 31 Jan, priced at HK$7,119 found 1 day ago
*Available to Expedia members.