Cheap Flights to Monroe County | Popular Routes to Monroe County from HK$2,811

View HK$2,811 flight on Wed, 1 Apr 2026Opens in a new window

Popular airlines to Monroe 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

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Cheap round-trip flights to Monroe County

Prices were available within the past 7 days and start at HK$2,811 for one-way flights and HK$4,350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$4,350 Return, found 20 hours ago
HK$4,350
Return
found 20 hours ago
Select Delta flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$4,350 found 20 hours ago
Delta
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$4,828 Return, found 20 hours ago
HK$4,828
Return
found 20 hours ago
Select Delta flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$4,828 found 20 hours ago
Delta
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$4,996 Return, found 20 hours ago
HK$4,996
Return
found 20 hours ago
Select Delta flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$4,996 found 20 hours ago
United
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$5,234 Return, found 20 hours ago
HK$5,234
Return
found 20 hours ago
Select United flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$5,234 found 20 hours ago
American Airlines
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$5,400 Return, found 20 hours ago
HK$5,400
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$5,400 found 20 hours ago
Delta
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$5,401 Return, found 20 hours ago
HK$5,401
Return
found 20 hours ago
Select Delta flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$5,401 found 20 hours ago
United
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$5,443 Return, found 20 hours ago
HK$5,443
Return
found 20 hours ago
Select United flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$5,443 found 20 hours ago
Aeromexico
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$5,485 Return, found 20 hours ago
HK$5,485
Return
found 20 hours ago
Select Aeromexico flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$5,485 found 20 hours ago
United
Wed, 1 Apr - Sun, 5 Apr
MEX
Mexico City
STL
St. Louis
HK$5,487 Return, found 20 hours ago
HK$5,487
Return
found 20 hours ago
Select United flight, departing Wed, 1 Apr from Mexico City to St. Louis, returning Sun, 5 Apr, priced at HK$5,487 found 20 hours ago
China Airlines
Mon, 2 Mar - Sat, 7 Mar
HKG
Hong Kong SAR
STL
St. Louis
HK$7,589 Return, found 5 days ago
HK$7,589
Return
found 5 days ago
Select China Airlines flight, departing Mon, 2 Mar from Hong Kong SAR to St. Louis, returning Sat, 7 Mar, priced at HK$7,589 found 5 days 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.

China Airlines
Mon, 2 Mar - Sat, 7 Mar
HKG
Hong Kong SAR
STL
St. Louis
HK$7,589 Return, found 5 days ago
HK$7,589
Return
found 5 days ago
Select China Airlines flight, departing Mon, 2 Mar from Hong Kong SAR to St. Louis, returning Sat, 7 Mar, priced at HK$7,589 found 5 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. HK$4,350 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 HK$4,350 and peaked at HK$7,589. For one-way journeys departing from Mexico City (MEX), the lowest price during this time was just HK$2,811.
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.
When is the cheapest time to fly to Monroe County?
Try to leave early in the week to secure the best deal to Monroe County. Tuesday is commonly the most economical day to fly, with Monday running a close second. Saturday often has the most expensive ticket prices. This is because lots of people prefer to begin their vacation on a weekend.
How much is a plane ticket to Monroe County?
In the last seven days, plane fares to Monroe County fluctuated from HK$4,350 to HK$7,589.
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.

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About Monroe County

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About Monroe County

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