How long is the flight from Erie to St. Louis?

Airlines like American Airlines fly from Erie to St. Louis in about 7h 19m. The time it takes to get you to your destination can typically vary by up to . The distance from Erie to St. Louis is about 583 mi.

What is the cheapest day to fly from Erie to St. Louis?

Travelers seeking maximum savings on their Erie to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Erie to St. Louis?

Travelers have found that booking a Wednesday departure is the best way to save up to 28% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest time of day to fly from ERI to STL?

Unlike at noon, when flights are generally more expensive, you can save up to 19% on flights from Erie to St. Louis by exploring options for tickets in the morning.

Can I find deals for flights from Erie to St. Louis that include hotel bookings?

Yes. In addition to deals on Erie to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Erie to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Erie to St. Louis.

Can I find deals for business class flights from Erie to St. Louis?

Yes. Cheapflights offers flight deals from Erie to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$432+ Flights from Erie to St. Louis

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Cheap flight deals from Erie to St. Louis

Round-trip from	$432 (American Airlines)

From Erie to Lambert-St Louis

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Cheapest flights from Erie to St. Louis
Explore the most affordable flight options available from Erie to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.

mar. 9/304:48 pmERI - STL

1 stop7h 19mAmerican Airlines

sam. 10/46:29 amSTL - ERI

1 stop6h 58mAmerican Airlines

Deal found 9/15

$432

Best flights from Erie to St. Louis
Discover carefully curated flight deals from Erie to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septembre 15, 2025.

mar. 9/304:48 pmERI - STL

1 stop7h 19mAmerican Airlines

sam. 10/46:29 amSTL - ERI

1 stop6h 58mAmerican Airlines

Deal found 9/15

$432

mer. 2/185:45 pmERI - STL

1 stop6h 47mAmerican Airlines

sam. 2/212:32 pmSTL - ERI

1 stop6h 50mAmerican Airlines

Deal found 9/14

$522

Last-minute flights from Erie to St. Louis
Discover last-minute flight deals from Erie to St. Louis. Data last updated septembre 15, 2025 and is based on user searches.

mar. 9/304:48 pmERI - STL

1 stop7h 19mAmerican Airlines

sam. 10/46:29 amSTL - ERI

1 stop6h 58mAmerican Airlines

Deal found 9/15

$432

Fly from

Fly to

Route

Depart

Return

Price

ErieSt. Louis

ERI - STL

ERISTL

Erie

mar. 9/30

4:48 pm-11:07 pm

1 stop7h 19m

Lambert-St Louis

sam. 10/4

6:29 am-2:27 pm

1 stop6h 58m

$432

ErieSt. Louis

ERI - STL

ERISTL

Erie

mer. 2/18

5:45 pm-11:32 pm

1 stop6h 47m

Lambert-St Louis

sam. 2/21

2:32 pm-10:22 pm

1 stop6h 50m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Erie to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Erie with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Erie to St. Louis

What is the cheapest month to book a flight from Erie to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Erie to St. Louis (average of $311). Flying from Erie to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from Erie to St. Louis?
Airlines like American Airlines fly from Erie to St. Louis in about 7h 19m. The time it takes to get you to your destination can typically vary by up to . The distance from Erie to St. Louis is about 583 mi.
Can I find deals for flights from Erie to St. Louis that include hotel bookings?
Yes. In addition to deals on Erie to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Erie to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Erie to St. Louis.
Can I find deals for business class flights from Erie to St. Louis?
Yes. Cheapflights offers flight deals from Erie to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Erie to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Erie to St. Louis (average of $311). Flying from Erie to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$432+ Cheap flights from Erie to St. Louis (ERI - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Erie to St. Louis

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Cheapest flights from Erie to St. LouisExplore the most affordable flight options available from Erie to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.

Explore the most affordable flight options available from Erie to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.

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Use the filters below to find and compare flights from Erie to St. Louis that are best for you.

Best time to book a flight from Erie to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Erie with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Erie to St. Louis

What is the cheapest month to book a flight from Erie to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Erie to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Erie to St. Louis?

Can I find deals for flights from Erie to St. Louis that include hotel bookings?

How can I find direct flights from Erie to St. Louis?

Can I find deals for business class flights from Erie to St. Louis?

What is the cheapest month to book a flight from Erie to St. Louis?

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Cheapest flights from Erie to St. Louis
Explore the most affordable flight options available from Erie to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.