St Louis City County Flights - Book Cheap Flights to St Louis City County

View RM443 flight on Sat, 24 Jan 2026Opens in a new window

Popular airlines to St Louis City County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to St Louis City County

Prices were available within the past 7 days and start at RM443 for one-way flights and RM804 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 24 Jan - Sat, 31 Jan
DEN
Denver
STL
St. Louis
RM804 Return, found 1 day ago
RM804
Return
found 1 day ago
Select Delta flight, departing Sat, 24 Jan from Denver to St. Louis, returning Sat, 31 Jan, priced at RM804 found 1 day ago
United
Sat, 24 Jan - Sat, 31 Jan
DEN
Denver
STL
St. Louis
RM905 Return, found 1 day ago
RM905
Return
found 1 day ago
Select United flight, departing Sat, 24 Jan from Denver to St. Louis, returning Sat, 31 Jan, priced at RM905 found 1 day ago
American Airlines
Sat, 24 Jan - Sat, 31 Jan
DEN
Denver
STL
St. Louis
RM946 Return, found 1 day ago
RM946
Return
found 1 day ago
Select American Airlines flight, departing Sat, 24 Jan from Denver to St. Louis, returning Sat, 31 Jan, priced at RM946 found 1 day ago
United
Sat, 24 Jan - Sat, 31 Jan
DEN
Denver
STL
St. Louis
RM1,005 Return, found 1 day ago
RM1,005
Return
found 1 day ago
Select United flight, departing Sat, 24 Jan from Denver to St. Louis, returning Sat, 31 Jan, priced at RM1,005 found 1 day ago
American Airlines
Sat, 24 Jan - Sat, 31 Jan
DEN
Denver
STL
St. Louis
RM1,108 Return, found 1 day ago
RM1,108
Return
found 1 day ago
Select American Airlines flight, departing Sat, 24 Jan from Denver to St. Louis, returning Sat, 31 Jan, priced at RM1,108 found 1 day ago
Lufthansa
Mon, 2 Mar - Sat, 11 Apr
FRA
Frankfurt
STL
St. Louis
RM2,977 Return, found 19 hours ago
RM2,977
Return
found 19 hours ago
Select Lufthansa flight, departing Mon, 2 Mar from Frankfurt to St. Louis, returning Sat, 11 Apr, priced at RM2,977 found 19 hours ago
Air Canada
Mon, 2 Mar - Sat, 11 Apr
FRA
Frankfurt
STL
St. Louis
RM3,047 Return, found 19 hours ago
RM3,047
Return
found 19 hours ago
Select Air Canada flight, departing Mon, 2 Mar from Frankfurt to St. Louis, returning Sat, 11 Apr, priced at RM3,047 found 19 hours ago
Iberia
Mon, 2 Mar - Sat, 11 Apr
FRA
Frankfurt
STL
St. Louis
RM3,402 Return, found 19 hours ago
RM3,402
Return
found 19 hours ago
Select Iberia flight, departing Mon, 2 Mar from Frankfurt to St. Louis, returning Sat, 11 Apr, priced at RM3,402 found 19 hours ago
KLM
Thu, 15 Jan - Sun, 18 Jan
NUE
Nuremberg
STL
St. Louis
RM3,475 Return, found 13 hours ago
RM3,475
Return
found 13 hours ago
Select KLM flight, departing Thu, 15 Jan from Nuremberg to St. Louis, returning Sun, 18 Jan, priced at RM3,475 found 13 hours ago
KLM
Thu, 15 Jan - Sun, 18 Jan
NUE
Nuremberg
STL
St. Louis
RM3,499 Return, found 13 hours ago
RM3,499
Return
found 13 hours ago
Select KLM flight, departing Thu, 15 Jan from Nuremberg to St. Louis, returning Sun, 18 Jan, priced at RM3,499 found 13 hours ago

Trending flights to St Louis City 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.

Qatar Airways
Mon, 5 Oct - Mon, 19 Oct
KUL
Kuala Lumpur
STL
St. Louis
RM4,833 Return, found 1 day ago
RM4,833
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 5 Oct from Kuala Lumpur to St. Louis, returning Mon, 19 Oct, priced at RM4,833 found 1 day ago

Frequently asked questions

How do I find cheap flights to St Louis City County that have flexible change policies?
It's as easy as can be with Expedia. Firstly, type in your preferred travel dates and click on "Search." Next, check "No change fee" just below the "Flexible change policies" filter on the top left of your screen. Step 3. Snag your flexible and cheap airfare to St Louis City County.
Which airlines fly to St Louis City County?
Choose a seat with one of these airlines and the vibrant region of St Louis City County will be yours to explore:

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

How can I find cheap tickets to St Louis City County?
For an amazing deal to St Louis City County, book well ahead. Also use Expedia's "flexible dates" feature above your search results. This will list prices for the days around your travel dates. In the last seven days, RM804 was the best price for a flight to St Louis City County.
How much is a flight to St Louis City County?
If you were journeying one way from Denver (DEN), you could've scored a cheap ticket for RM443 in the last seven days. Return flights to St Louis City County ranged from only RM804 to RM4,833 over the same period.
What are the most popular airports to fly into in St Louis City County?
Start arranging your St Louis City County holiday by securing one of the 4,902 monthly flights to Lambert-St. Louis Intl. Airport (STL). This is the region's primary gateway.
How much is a plane ticket to St Louis City County?
In the last seven days, airfares to St Louis City County fluctuated between RM804 and RM4,833. Prices tend to go up over time, so pick up an awesome deal today.
What months are the cheapest to book a flight to St Louis City County?
The best month to score a great deal to St Louis City County is February, whereas the most expensive is December. Avoid this month if you're counting your pennies.

Book with confidence

About St Louis City County

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

Explore a world of travel with Expedia

*Available to Expedia members.