Flight Destinations in St. Charles County

View ฿8,530 flight on Mon, 14 Sept 2026Opens in a new window

Popular airlines to St. Charles County

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • Alaska Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% 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 St. Charles County

Prices were available within the past 7 days and start at ฿8,530 for one-way flights and ฿21,660 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿21,660 Return, found 4 hours ago
฿21,660
Return
found 4 hours ago
Select Delta flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿21,660 found 4 hours ago
Delta
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿22,425 Return, found 4 hours ago
฿22,425
Return
found 4 hours ago
Select Delta flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿22,425 found 4 hours ago
Delta
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿22,520 Return, found 4 hours ago
฿22,520
Return
found 4 hours ago
Select Delta flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿22,520 found 4 hours ago
United
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿24,110 Return, found 4 hours ago
฿24,110
Return
found 4 hours ago
Select United flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿24,110 found 4 hours ago
American Airlines
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿24,285 Return, found 4 hours ago
฿24,285
Return
found 4 hours ago
Select American Airlines flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿24,285 found 4 hours ago
United
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿24,875 Return, found 4 hours ago
฿24,875
Return
found 4 hours ago
Select United flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿24,875 found 4 hours ago
American Airlines
Mon, 14 Sept - Sat, 19 Sept
HNL
Oahu
STL
St. Louis
฿25,140 Return, found 4 hours ago
฿25,140
Return
found 4 hours ago
Select American Airlines flight, departing Mon, 14 Sept from Oahu to St. Louis, returning Sat, 19 Sept, priced at ฿25,140 found 4 hours ago
EVA Airways
Thu, 10 Sept - Fri, 18 Sept
BKK
Bangkok
STL
St. Louis
฿37,890 Return, found 6 days ago
฿37,890
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 10 Sept from Bangkok to St. Louis, returning Fri, 18 Sept, priced at ฿37,890 found 6 days ago
Qatar Airways
Thu, 1 Oct - Sat, 10 Oct
BKK
Bangkok
STL
St. Louis
฿41,120 Return, found 6 days ago
฿41,120
Return
found 6 days ago
Select Qatar Airways flight, departing Thu, 1 Oct from Bangkok to St. Louis, returning Sat, 10 Oct, priced at ฿41,120 found 6 days ago
Lufthansa
Mon, 6 Jul - Mon, 7 Sept
BKK
Bangkok
STL
St. Louis
฿44,260 Return, found 6 days ago
฿44,260
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 6 Jul from Bangkok to St. Louis, returning Mon, 7 Sept, priced at ฿44,260 found 6 days ago

Trending flights to St. Charles 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
Thu, 10 Sept - Fri, 18 Sept
BKK
Bangkok
STL
St. Louis
฿37,890 Return, found 6 days ago
฿37,890
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 10 Sept from Bangkok to St. Louis, returning Fri, 18 Sept, priced at ฿37,890 found 6 days ago

Frequently asked questions

How do I find cheap flights to St. Charles County that have flexible change policies?
We understand that things can change from one minute to the next, so booking a flexible ticket with Expedia is always a clever idea. Simply mark the "No change fee" box directly below the "Flexible change policies" filter. Your low-priced, flexible flight to St. Charles County is just a few clicks away.
Which airlines fly to St. Charles County?
When you're ready to reserve your seat to or near St. Charles County, these well-known carriers are waiting to welcome you on board:

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

How can I find cheap tickets to St. Charles County?
An excellent strategy for walking away with cheap fares is to be flexible with your travel dates. Start by searching for your flight to St. Charles County, then click on the "flexible dates" link for a list of prices for nearby days. Want another tip? Book well ahead of time. To give you an idea of costs, ฿21,660 was the lowest price for a flight to St. Charles County in the last seven days.
How much is a flight to St. Charles County?
One-way flights taking off from Oahu (HNL) sold for as low as ฿8,530 in the last seven days. During this time, the price of a return airfare to St. Charles County varied between ฿21,660 and ฿44,260. If you find a deal, book as fast as you can — these fares don't stick around for long.
What are the most popular airports to fly into in St. Charles County?
Get ready to pack your bags and jet into Lambert-St. Louis Intl. Airport (STL), St. Charles County's leading flight hub. Lock in a seat on one of the 4,902 flights that land at this popular destination each month.
How much is a plane ticket to St. Charles County?
In the last seven days, plane tickets to St. Charles County fluctuated from ฿21,660 to ฿44,260.
What is the best time to go to St. Charles County?
Foristell, St. Charles County's most prominent city, is a terrific destination to explore at anytime. Not a big fan of chilly weather? Then journey here from June 20 onward during the summer months, when average temperatures vary from 18ºC to 29ºC. March, April and May is when Foristell is really buzzing.
What months are the cheapest to book a flight to St. Charles County?
A cheap month to score a fantastic deal to St. Charles County is February, whereas prices are at their highest in December. Keep clear of this month if you're on a tight budget.

Book with confidence

About St. Charles County

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