Cheap flights to Monroe County

View €64 flight on Sat, 20 Jun 2026Opens in a new window

Popular airlines to Monroe County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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Cheap round-trip flights to Monroe County

Prices were available within the past 7 days and start at €64 for one-way flights and €173 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 5 Mar - Mon, 9 Mar
MKE
Milwaukee
STL
St. Louis
€173 Return, just found
€173
Return
just found
Select American Airlines flight, departing Thu, 5 Mar from Milwaukee to St. Louis, returning Mon, 9 Mar, priced at €173 just found
Delta
Sat, 28 Feb - Mon, 2 Mar
MDW
Chicago
STL
St. Louis
€213 Return, found 6 days ago
€213
Return
found 6 days ago
Select Delta flight, departing Sat, 28 Feb from Chicago to St. Louis, returning Mon, 2 Mar, priced at €213 found 6 days ago
American Airlines
Sat, 28 Feb - Mon, 2 Mar
ORD
Chicago
STL
St. Louis
€225 Return, found 6 days ago
€225
Return
found 6 days ago
Select American Airlines flight, departing Sat, 28 Feb from Chicago to St. Louis, returning Mon, 2 Mar, priced at €225 found 6 days ago
American Airlines
Fri, 3 Apr - Sun, 5 Apr
ORD
Chicago
STL
St. Louis
€237 Return, found 2 hours ago
€237
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 3 Apr from Chicago to St. Louis, returning Sun, 5 Apr, priced at €237 found 2 hours ago
United
Thu, 5 Mar - Mon, 9 Mar
MKE
Milwaukee
STL
St. Louis
€246 Return, just found
€246
Return
just found
Select United flight, departing Thu, 5 Mar from Milwaukee to St. Louis, returning Mon, 9 Mar, priced at €246 just found
Delta
Thu, 19 Feb - Sat, 28 Feb
CID
Cedar Rapids
STL
St. Louis
€250 Return, found 3 hours ago
€250
Return
found 3 hours ago
Select Delta flight, departing Thu, 19 Feb from Cedar Rapids to St. Louis, returning Sat, 28 Feb, priced at €250 found 3 hours ago
Delta
Fri, 1 May - Sun, 3 May
ATL
Atlanta
STL
St. Louis
€279 Return, found 2 hours ago
€279
Return
found 2 hours ago
Select Delta flight, departing Fri, 1 May from Atlanta to St. Louis, returning Sun, 3 May, priced at €279 found 2 hours ago
Austrian Airlines
Fri, 6 Mar - Sun, 22 Mar
FRA
Frankfurt
STL
St. Louis
€598 Return, just found
€598
Return
just found
Select Austrian Airlines flight, departing Fri, 6 Mar from Frankfurt to St. Louis, returning Sun, 22 Mar, priced at €598 just found
Lufthansa
Fri, 6 Mar - Sun, 22 Mar
FRA
Frankfurt
STL
St. Louis
€598 Return, just found
€598
Return
just found
Select Lufthansa flight, departing Fri, 6 Mar from Frankfurt to St. Louis, returning Sun, 22 Mar, priced at €598 just found
KLM
Fri, 6 Mar - Sun, 22 Mar
FRA
Frankfurt
STL
St. Louis
€603 Return, just found
€603
Return
just found
Select KLM flight, departing Fri, 6 Mar from Frankfurt to St. Louis, returning Sun, 22 Mar, priced at €603 just found

About Monroe County

Expedia offers flights to Monroe County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Monroe 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 Monroe County that have flexible change policies?
By using our handy "No change fee" filter, that's how. All you have to do is enter your preferred dates and destination, click the "Search" button, then check the box under the "Flexible change policies" heading (top left of your screen). Expedia makes it a cinch to find inexpensive, flexible fares to Monroe County.
Which airlines fly to Monroe County?
Figure out your perfect travel dates and then fly into or near Monroe County with one of these quality airlines:

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

How can I find cheap tickets to Monroe County?
You'll always nab a fabulous 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 see the cheapest prices for nearby days. €173 was the best price for a flight to Monroe County in the last seven days.
How much is a flight to Monroe County?
In the last seven days, round-trip flights to Monroe County sold for as low as €173 and peaked at €656. For one-way journeys departing from Chicago (ORD), the lowest price during this time was just €64.
What are the most popular airports to fly into in Monroe County?
Lambert-St. Louis Intl. Airport (STL) is the main jumping-off point for people eager to explore Monroe County. Around 4,902 flights per month touch down here.
How much is a plane ticket to Monroe County?
In the last seven days, plane fares to Monroe County fluctuated from €173 to €656.
What is the best time to go to Monroe County?
May, June and July are the most popular months to travel to Columbia, one of Monroe County's best cities. Summer here starts June 20. Average temperatures range from 18ºC to 29ºC at this time of year, so plan your travels around then if you're a fan of warmer weather.
What months are the cheapest to book a flight to Monroe County?
February is the top month to bag a bargain fare to Monroe County. Bear in mind that the most expensive time to book a ticket in the States isn't the middle of summer, but the festive month of December.

Trending flights to Monroe 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.

Aer Lingus
Tue, 21 Apr - Wed, 29 Apr
DUB
Dublin
STL
St. Louis
€656 Return, found 9 hours ago
€656
Return
found 9 hours ago
Select Aer Lingus flight, departing Tue, 21 Apr from Dublin to St. Louis, returning Wed, 29 Apr, priced at €656 found 9 hours ago
*Available to Expedia members.