What are the cheapest airlines flying from Greensboro to St. Louis round-trip?

According to our current data, American Airlines ($215), Delta ($217), and United Airlines ($290) offers the cheapest pricing from Greensboro to St. Louis. American Airlines is currently priced 32% below the average price you’ll pay for this route.

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

Travelers seeking maximum savings on their Greensboro to St. Louis flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday 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 Greensboro to St. Louis?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Greensboro to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 83% on flights from Greensboro to St. Louis compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $261. For sooner than that we have options available in the next 3 days from $338.

What is the cheapest month to fly from Greensboro to St. Louis?

The best pricing can be found in the month of June. Prices to St. Louis from Greensboro average $318. You can even find prices in June for less than $318, as users have found deals to St. Louis from as low as $248. The month of March appears to be one of the more expensive times to travel to St. Louis from Greensboro. Flying in the targeted month can save you up to 41%.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Greensboro 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.

$159+ Flights from Greensboro to St. Louis

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Greensboro/H. Point to Lambert-St Louis are usually found in June or September, booked 24 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Greensboro to St. Louis

Round-trip from	$215 (American Airlines)
One-way from	$159 (Delta)
Popular in	March
Cheapest in	June
Average price	$323

From Greensboro/H. Point to Lambert-St Louis

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One-way flight from Greensboro/H. Point to Lambert-St Louis

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Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Greensboro to St. Louis

Cheapest flights from Greensboro to St. Louis
Explore the most affordable flight options available from Greensboro to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Tue 9/306:14 amGSO - STL

1 stop5h 07mAmerican Airlines

Sat 10/48:50 amSTL - GSO

1 stop7h 22mAmerican Airlines

Deal found 7/27

$215

Sat 8/305:30 amGSO - STL

1 stop4h 24mDelta

Sat 9/65:25 pmSTL - GSO

1 stop4h 42mDelta

Deal found 7/28

$217

Sat 8/305:28 pmGSO - STL

1 stop5h 04mUnited Airlines

Wed 9/36:35 amSTL - GSO

2 stops7h 43mUnited Airlines

Deal found 7/28

$290

Best flights from Greensboro to St. Louis
Discover carefully curated flight deals from Greensboro to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 9/306:14 amGSO - STL

1 stop5h 07mAmerican Airlines

Sat 10/48:50 amSTL - GSO

1 stop7h 22mAmerican Airlines

Deal found 7/27

$215

Sat 8/306:25 pmGSO - STL

1 stop4h 30mDelta

Tue 9/25:11 pmSTL - GSO

1 stop5h 54mDelta

Deal found 7/28

$217

Sat 8/305:28 pmGSO - STL

1 stop5h 04mUnited Airlines

Wed 9/36:35 amSTL - GSO

2 stops7h 43mUnited Airlines

Deal found 7/28

$290

Last-minute flights from Greensboro to St. Louis
Discover last-minute flight deals from Greensboro to St. Louis. Data last updated July 29, 2025 and is based on user searches.

Tue 8/55:32 pmGSO - STL

1 stop6h 13mUnited Airlines

Fri 8/81:20 pmSTL - GSO

1 stop6h 57mUnited Airlines

Deal found 7/28

$471

Thu 8/75:33 amGSO - STL

1 stop3h 49mDelta

Sun 8/107:11 pmSTL - GSO

1 stop4h 01mDelta

Deal found 7/27

$284

Sat 8/304:24 pmGSO - STL

1 stop3h 54mAmerican Airlines

Tue 9/25:52 pmSTL - GSO

1 stop4h 45mAmerican Airlines

Deal found 7/27

$215

Sat 8/305:30 amGSO - STL

1 stop4h 24mDelta

Sat 9/65:25 pmSTL - GSO

1 stop4h 42mDelta

Deal found 7/28

$217

Sat 8/305:28 pmGSO - STL

1 stop5h 04mUnited Airlines

Wed 9/36:35 amSTL - GSO

2 stops7h 43mUnited Airlines

Deal found 7/28

$290

One-way flights from Greensboro to St. Louis
Search for one-way flight options from Greensboro to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Thu 9/46:40 amGSO - STL

1 stop6h 46mDelta

Deal found 7/29

$159

Fri 9/126:37 amGSO - STL

1 stop5h 03mUnited Airlines

Deal found 7/28

$197

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

GreensboroSt. Louis

GSO - STL

GSOSTL

Greensboro/H. Point

Tue 9/30

6:14 am-10:21 am

1 stop5h 07m

Lambert-St Louis

Sat 10/4

8:50 am-5:12 pm

1 stop7h 22m

$215

GreensboroSt. Louis

GSO - STL

GSOSTL

Greensboro/H. Point

Sat 8/30

6:25 pm-9:55 pm

1 stop4h 30m

Lambert-St Louis

Tue 9/2

5:11 pm-12:05 am

1 stop5h 54m

$217

GreensboroSt. Louis

GSO - STL

GSOSTL

Greensboro/H. Point

Sat 8/30

5:28 pm-9:32 pm

1 stop5h 04m

Lambert-St Louis

Wed 9/3

6:35 am-3:18 pm

2 stops7h 43m

$290

GreensboroSt. Louis

GSO - STL

GSOSTL

Greensboro/H. Point

Thu 9/4

6:40 am-12:26 pm

1 stop6h 46m

$159

GreensboroSt. Louis

GSO - STL

GSOSTL

Greensboro/H. Point

Fri 9/12

6:37 am-10:40 am

1 stop5h 03m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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

How far ahead should I book a flight from Greensboro to St. Louis?

The best time to book flights from Greensboro to St. Louis is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

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

It’s typically best to fly out from Greensboro to St. Louis in the morning. Doing so could potentially save you 7% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Delta, United Airlines, and American Airlines from Greensboro 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.

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,979 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Greensboro to St. Louis round-trip?
According to our current data, American Airlines ($215), Delta ($217), and United Airlines ($290) offers the cheapest pricing from Greensboro to St. Louis. American Airlines is currently priced 32% below the average price you’ll pay for this route.
Can I find deals for flights from Greensboro to St. Louis that include hotel bookings?
Yes. In addition to deals on Greensboro to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Greensboro to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greensboro to St. Louis.
Can I find deals for business class flights from Greensboro to St. Louis?
Yes. Cheapflights offers flight deals from Greensboro 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 Greensboro to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Greensboro to St. Louis (average of $311). Flying from Greensboro 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

O'Fallon

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Chesterfield

Festus

Farmington

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Top 2 airlines flying from Greensboro to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$208	Average$295	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$236	Average$338	FlexibilityNo cancel fee	On-time71%

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$159+ Cheap flights from Greensboro to St. Louis (GSO - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greensboro to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Greensboro/H. Point to Lambert-St Louis are usually found in June or September, booked 24 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Greensboro to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Greensboro to St. Louis

Cheapest flights from Greensboro to St. LouisExplore the most affordable flight options available from Greensboro to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Greensboro to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

How far ahead should I book a flight from Greensboro to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Greensboro to St. Louis. Price data was last updated on July 25, 2025.

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

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

Find hourly flight availability from Greensboro to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Delta, United Airlines, and American Airlines from Greensboro 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 Greensboro 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 are the cheapest airlines flying from Greensboro to St. Louis round-trip?

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

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

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

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

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Greensboro to St. Louis

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

Top 2 airlines flying from Greensboro to St. Louis

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Cheapest flights from Greensboro to St. Louis
Explore the most affordable flight options available from Greensboro to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.