Cheap Flights to Monroe County | Popular Routes to Monroe County from HK$4,159

View HK$4,159 flight on Wed, 23 Sept 2026Opens in a new window

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Cheap round-trip flights to Monroe County

Prices were available within the past 7 days and start at HK$4,159 for one-way flights and HK$6,946 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Wed, 23 Sept - Wed, 30 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$6,946 Return, found 1 day ago
HK$6,946
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 23 Sept from Hong Kong SAR to St. Louis, returning Wed, 30 Sept, priced at HK$6,946 found 1 day ago
Cathay Pacific
Wed, 23 Sept - Wed, 30 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$8,178 Return, found 1 day ago
HK$8,178
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 23 Sept from Hong Kong SAR to St. Louis, returning Wed, 30 Sept, priced at HK$8,178 found 1 day ago
Cathay Pacific
Wed, 23 Sept - Wed, 30 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$8,330 Return, found 1 day ago
HK$8,330
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 23 Sept from Hong Kong SAR to St. Louis, returning Wed, 30 Sept, priced at HK$8,330 found 1 day ago
Qatar Airways
Tue, 28 Apr - Wed, 6 May
HKG
Hong Kong SAR
STL
St. Louis
HK$8,926 Return, found 6 days ago
HK$8,926
Return
found 6 days ago
Select Qatar Airways flight, departing Tue, 28 Apr from Hong Kong SAR to St. Louis, returning Wed, 6 May, priced at HK$8,926 found 6 days ago
Delta
Thu, 18 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
STL
St. Louis
HK$9,671 Return, found 13 hours ago
HK$9,671
Return
found 13 hours ago
Select Delta flight, departing Thu, 18 Jun from Hong Kong SAR to St. Louis, returning Sun, 26 Jul, priced at HK$9,671 found 13 hours ago
Cathay Pacific
Wed, 23 Sept - Wed, 30 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$9,732 Return, found 1 day ago
HK$9,732
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 23 Sept from Hong Kong SAR to St. Louis, returning Wed, 30 Sept, priced at HK$9,732 found 1 day ago
Copa
Sun, 29 Mar - Thu, 2 Apr
POA
Porto Alegre
STL
St. Louis
HK$11,028 Return, found 1 day ago
HK$11,028
Return
found 1 day ago
Select Copa flight, departing Sun, 29 Mar from Porto Alegre to St. Louis, returning Thu, 2 Apr, priced at HK$11,028 found 1 day ago
United
Mon, 16 Mar - Mon, 23 Mar
POA
Porto Alegre
STL
St. Louis
HK$11,173 Return, found 2 hours ago
HK$11,173
Return
found 2 hours ago
Select United flight, departing Mon, 16 Mar from Porto Alegre to St. Louis, returning Mon, 23 Mar, priced at HK$11,173 found 2 hours ago
Lufthansa
Mon, 11 May - Tue, 26 May
HKG
Hong Kong SAR
STL
St. Louis
HK$11,344 Return, found 2 days ago
HK$11,344
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 11 May from Hong Kong SAR to St. Louis, returning Tue, 26 May, priced at HK$11,344 found 2 days ago
Korean Air
Wed, 22 Apr - Thu, 30 Apr
HKG
Hong Kong SAR
STL
St. Louis
HK$11,680 Return, found 3 days ago
HK$11,680
Return
found 3 days ago
Select Korean Air flight, departing Wed, 22 Apr from Hong Kong SAR to St. Louis, returning Thu, 30 Apr, priced at HK$11,680 found 3 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.

EVA Airways
Wed, 23 Sept - Wed, 30 Sept
HKG
Hong Kong SAR
STL
St. Louis
HK$6,946 Return, found 1 day ago
HK$6,946
Return
found 1 day ago
Select EVA Airways flight, departing Wed, 23 Sept from Hong Kong SAR to St. Louis, returning Wed, 30 Sept, priced at HK$6,946 found 1 day 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$6,946 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$6,946 and peaked at HK$11,680. For one-way journeys departing from Hong Kong SAR (HKG), the lowest price during this time was just HK$4,159.
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$6,946 to HK$11,680.
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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