Cheap flights from Erie to St. Louis from $419
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Erie to St. Louis departing on 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Erie to St. Louis
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How to get the cheapest flight ticket from Erie to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $405. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $520. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Erie in the morning is the least expensive time of day to depart. momondo users have found prices as low as $440 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $538 per ticket.
When to book flights from Erie to St. Louis
Cheap Erie to St. Louis (ERI to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Erie to St. Louis
How far is Erie to Lambert-St Louis by plane?
The straight-line distance from Erie to Lambert-St Louis is 583.8 mi. A reasonable flight in good conditions will take 7h 39m.
When did momondo last update prices for flights from Erie Airport to Lambert-St Louis Airport?
Prices for flights from Erie Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Erie Airport to Lambert-St Louis Airport?
As of May 2025, there is 1 operator available to choose from for flights from Erie Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Erie Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Erie Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Erie to St. Louis?
Based on momondo bookings for flights between Erie and St. Louis, the leading airline is American Airlines, making up 100% of the total bookings.
Best airlines flying from Erie to St. Louis
Compare and see reviews for airlines that fly from Erie to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $400 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Erie to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Erie to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Erie to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Erie to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Erie to St. Louis?
Once all potential Erie to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Erie to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Erie and alert you when they change.