What is the cheapest airline to fly from Athens to St. Louis round-trip?

Currently priced at $981, United Airlines will fly you from Athens to St. Louis and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is currently priced 9% below the average price you’ll pay for this route.

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

Travelers seeking maximum savings on their Athens to St. Louis flight should consider departing on Tuesday 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 time of day to fly from ATH to STL?

It’s typically best to fly out from Athens to St. Louis at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Athens 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.

Find Flights from Athens to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Athens to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Athens to St. Louis

Popular in	September
Cheapest in	June
Average price	$1,244

Highest demand for flights based on searches. 9% potential increase in price ($111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Athens 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 Athens to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Athens to St. Louis (average of $311). Flying from Athens 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.

Reviews of airlines servicing St. Louis

See what other customers who have flown with United Airlines from Athens to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

United Airlines

7.4

Good

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

What is the cheapest airline to fly from Athens to St. Louis round-trip?
Currently priced at $981, United Airlines will fly you from Athens to St. Louis and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is currently priced 9% below the average price you’ll pay for this route.
Can I find deals for flights from Athens to St. Louis that include hotel bookings?
Yes. In addition to deals on Athens to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Athens to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Athens to St. Louis.
Can I find deals for business class flights from Athens to St. Louis?
Yes. Cheapflights offers flight deals from Athens 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 Athens to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Athens to St. Louis (average of $311). Flying from Athens 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.

See more FAQs

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Athens to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$981	Average$1,150	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Athens (ATH) to St. Louis (STL)

Find cheap flights from Athens to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Athens to St. Louis

Popular in

Cheapest in

Average price

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

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

Cheapflights Insights

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

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

Reviews of airlines servicing St. Louis

See what other customers who have flown with United Airlines from Athens to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What is the cheapest airline to fly from Athens to St. Louis round-trip?

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

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

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

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

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Athens to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Athens to St. Louis

100% Free

Book with Flexibility

Travel Smart