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Cheap flights to Monroe County

View €118 flight on Wed, 22 Jul 2026Opens in a new window

Popular airlines to Monroe County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier 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 €118 for one-way flights and €272 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 5 Aug - Tue, 11 Aug
BOS
Boston
STL
St. Louis
€272 Return, found 1 day ago
€272
Return
found 1 day ago
Select Delta flight, departing Wed, 5 Aug from Boston to St. Louis, returning Tue, 11 Aug, priced at €272 found 1 day ago
American Airlines
Sat, 15 Aug - Mon, 17 Aug
BOS
Boston
STL
St. Louis
€279 Return, found 7 hours ago
€279
Return
found 7 hours ago
Select American Airlines flight, departing Sat, 15 Aug from Boston to St. Louis, returning Mon, 17 Aug, priced at €279 found 7 hours ago
American Airlines
Sun, 9 Aug - Wed, 12 Aug
BOS
Boston
STL
St. Louis
€332 Return, found 1 day ago
€332
Return
found 1 day ago
Select American Airlines flight, departing Sun, 9 Aug from Boston to St. Louis, returning Wed, 12 Aug, priced at €332 found 1 day ago
United
Sat, 15 Aug - Mon, 17 Aug
BOS
Boston
STL
St. Louis
€363 Return, found 7 hours ago
€363
Return
found 7 hours ago
Select United flight, departing Sat, 15 Aug from Boston to St. Louis, returning Mon, 17 Aug, priced at €363 found 7 hours ago
United
Mon, 27 Jul - Fri, 14 Aug
SOF
Sofia
STL
St. Louis
€735 Return, found 5 days ago
€735
Return
found 5 days ago
Select United flight, departing Mon, 27 Jul from Sofia to St. Louis, returning Fri, 14 Aug, priced at €735 found 5 days ago
Lufthansa
Wed, 30 Sept - Fri, 21 May
SOF
Sofia
STL
St. Louis
€738 Return, found 16 hours ago
€738
Return
found 16 hours ago
Select Lufthansa flight, departing Wed, 30 Sept from Sofia to St. Louis, returning Fri, 21 May, priced at €738 found 16 hours ago
Swiss International Air Lines
Tue, 22 Sept - Tue, 29 Sept
LHR
London
STL
St. Louis
€742 Return, found 14 hours ago
€742
Return
found 14 hours ago
Select Swiss International Air Lines flight, departing Tue, 22 Sept from London to St. Louis, returning Tue, 29 Sept, priced at €742 found 14 hours ago
British Airways
Wed, 30 Sept - Fri, 21 May
SOF
Sofia
STL
St. Louis
€743 Return, found 16 hours ago
€743
Return
found 16 hours ago
Select British Airways flight, departing Wed, 30 Sept from Sofia to St. Louis, returning Fri, 21 May, priced at €743 found 16 hours ago
Austrian Airlines
Thu, 23 Jul - Fri, 25 Sept
RMO
Chișinău
STL
St. Louis
€752 Return, found 1 day ago
€752
Return
found 1 day ago
Select Austrian Airlines flight, departing Thu, 23 Jul from Chișinău to St. Louis, returning Fri, 25 Sept, priced at €752 found 1 day ago
Austrian Airlines
Thu, 23 Jul - Fri, 25 Sept
RMO
Chișinău
STL
St. Louis
€752 Return, found 1 day ago
€752
Return
found 1 day ago
Select Austrian Airlines flight, departing Thu, 23 Jul from Chișinău to St. Louis, returning Fri, 25 Sept, priced at €752 found 1 day ago

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.

Iberia
Thu, 19 Nov - Mon, 23 Nov
DUB
Dublin
STL
St. Louis
€875 Return, found 4 days ago
€875
Return
found 4 days ago
Select Iberia flight, departing Thu, 19 Nov from Dublin to St. Louis, returning Mon, 23 Nov, priced at €875 found 4 days ago

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. €272 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 €272 and peaked at €875. For one-way journeys departing from Boston (BOS), the lowest price during this time was just €118.
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 €272 to €875.
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.

Book with confidence

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.
About Monroe County
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