Flight deals from Harrison to St. Louis

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Harrison to St. Louis

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Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Harrison (HRO) to St. Louis (STL) the cheapest?

Airlines adjust prices for flights from Harrison to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Harrison (HRO) to St. Louis (STL) cost?

According to Trip.com's data, the lowest price is around £388.
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
What's the most popular airline for direct flights from Harrison (HRO) to St. Louis (STL)?

Hopscotch Air operates 1 direct flights from Harrison (HRO) to St. Louis (STL).
How many airports in St. Louis (STL)?

There are 1 airport(s) in St. Louis (STL): St. Louis Lambert International Airport.

How to find a cheap flight from Harrison to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Harrison to St. Louis. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Harrison to St. Louis.

Tap "Date" on the flight search bar to browse the calendar for Harrison to St. Louis airfare over the next 6 months in 2025.

Compare cheap flight deals from Harrison to St. Louis across hundreds of airlines.

Use our comprehensive search to compare fares from over 500 airlines and find the most affordable flight tickets from Harrison to St. Louis.

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Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

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