What are the cheapest airlines flying from New York LaGuardia Airport to St. Louis round-trip?

Flying on Spirit Airlines is currently your cheapest option to St. Louis, with prices starting at $237. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at $245 and $247, respectively. Spirit Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from New York LaGuardia Airport to St. Louis one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $113. Southwest flights start at $114 while deals on Frontier start at $116 one-way.

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 are the cheapest flights from New York LaGuardia Airport to St. Louis?

Looking at all options, your cheapest flight can be booked for $110. While the most popular route (New York LaGuardia - Lambert-St Louis) can be booked for $122 on average our data indicates $415 when flying from New York LaGuardia Airport to St. Louis.

What are the most reliable airlines from New York LaGuardia Airport to St. Louis?

Consider KLM (100%), Air France (100%) or Aeromexico (100%) when booking your flight. These represent the most reliable airlines when flying from New York LaGuardia Airport to St. Louis.

What are the most popular airlines that fly from New York LaGuardia Airport to St. Louis?

Before booking your flight from New York LaGuardia Airport to St. Louis check out the most popular airlines for this route: American Airlines, Delta or Southwest.

What is the cheapest day to fly round-trip from New York LaGuardia Airport to St. Louis?

Monday is generally a great day to depart. Flying on this day could help you save up to 34%.

How far in advance should I book a flight from New York LaGuardia Airport to St. Louis?

Find a great deal and save up to 63% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from New York LaGuardia Airport to St. Louis within the next two weeks, with the cheapest ticket starting at $379.

What is the cheapest month to fly from New York LaGuardia Airport to St. Louis?

January is one of the best times of the year to fly to St. Louis from New York LaGuardia Airport. Prices for January average $333 per person but you can even find prices for as low as $207. The most expensive prices can be found in the month of December. Opting for a January flight can save you 26% on your journey compared to booking in December

What airport do you fly into for flights to St. Louis from New York LaGuardia?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from New York LaGuardia to St. Louis. You should not have trouble finding flights to Lambert-St Louis from New York LaGuardia; the airport handles an average of 6 inbound flights from New York LaGuardia per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the St. Louis airport from New York LaGuardia. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from LaGuardia 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.

$112+ Flights from New York LaGuardia Airport, NY to St. Louis

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Cheapflights Tip: The best prices from New York LaGuardia to Lambert-St Louis are usually found in March or April, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from LaGuardia to St. Louis

Round-trip from	$236 (Priceline)
One-way from	$113 (Mytrip)
Popular in	December
Cheapest in	March
Average price	$372
Good round-trip deal	$292 or less
Good one-way deal	$156 or less

From New York LaGuardia to Lambert-St Louis

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One-way flight from New York LaGuardia to Lambert-St Louis

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Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from New York LaGuardia to Lambert-St Louis.

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Price to beat on a one-way flight from New York LaGuardia to Lambert-St Louis.

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Find flight deals from LaGuardia to St. Louis

Cheapest flights from LaGuardia to St. Louis
Explore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Thu 7/106:30 amLGA - STL

1 stop8h 04mMultiple Airlines

Mon 7/1410:47 amSTL - LGA

1 stop7h 13mMultiple Airlines

Deal found 7/2

$236

Thu 10/99:10 pmLGA - STL

Nonstop2h 45mAmerican Airlines

Sun 10/126:00 amSTL - LGA

1 stop4h 23mAmerican Airlines

Deal found 7/3

$237

Thu 8/146:35 amLGA - STL

1 stop7h 57mSpirit Airlines

Sun 8/1710:37 amSTL - LGA

1 stop11h 43mSpirit Airlines

Deal found 7/3

$238

Fri 8/83:55 pmLGA - STL

Nonstop2h 45mSouthwest

Tue 8/127:35 pmSTL - LGA

Nonstop2h 25mSouthwest

Deal found 7/1

$245

Fri 8/86:30 amLGA - STL

Nonstop2h 40mDelta

Mon 8/259:16 amSTL - LGA

Nonstop2h 28mDelta

Deal found 6/30

$247

Sun 7/610:55 pmLGA - STL

1 stop11h 16mFrontier

Sat 7/122:52 pmSTL - LGA

1 stop7h 40mFrontier

Deal found 7/1

$253

Best flights from LaGuardia to St. Louis
Discover carefully curated flight deals from LaGuardia to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Thu 7/106:30 amLGA - STL

1 stop8h 04mMultiple Airlines

Mon 7/1410:47 amSTL - LGA

1 stop7h 13mMultiple Airlines

Deal found 7/2

$236

Thu 8/146:35 amLGA - STL

1 stop7h 57mSpirit Airlines

Sun 8/1710:37 amSTL - LGA

1 stop11h 43mSpirit Airlines

Deal found 7/1

$237

Fri 8/83:55 pmLGA - STL

Nonstop2h 45mSouthwest

Tue 8/127:35 pmSTL - LGA

Nonstop2h 25mSouthwest

Deal found 7/1

$245

Fri 8/86:30 amLGA - STL

Nonstop2h 40mDelta

Mon 8/259:16 amSTL - LGA

Nonstop2h 28mDelta

Deal found 6/30

$247

Sun 7/610:55 pmLGA - STL

1 stop11h 16mFrontier

Sat 7/122:52 pmSTL - LGA

1 stop7h 40mFrontier

Deal found 7/1

$253

Thu 7/319:29 amLGA - STL

1 stop8h 05mAmerican Airlines

Thu 8/76:01 amSTL - LGA

Nonstop2h 30mAmerican Airlines

Deal found 7/2

$272

Last-minute flights from LaGuardia to St. Louis
Discover last-minute flight deals from LaGuardia to St. Louis. Data last updated July 3, 2025 and is based on user searches.

Sun 7/610:55 pmLGA - STL

1 stop11h 16mFrontier

Sat 7/122:52 pmSTL - LGA

1 stop7h 40mFrontier

Deal found 7/1

$253

Tue 7/810:55 pmLGA - STL

1 stop11h 16mFrontier

Thu 7/102:36 pmSTL - LGA

1 stop7h 56mFrontier

Deal found 7/1

$240

Wed 7/93:30 pmLGA - STL

Nonstop2h 55mSouthwest

Wed 7/168:00 pmSTL - LGA

Nonstop2h 25mSouthwest

Deal found 7/2

$268

Wed 7/96:59 pmLGA - STL

Nonstop2h 58mDelta

Wed 7/169:16 amSTL - LGA

Nonstop2h 28mDelta

Deal found 7/2

$295

Thu 7/106:30 amLGA - STL

1 stop8h 04mMultiple Airlines

Mon 7/1410:47 amSTL - LGA

1 stop7h 13mMultiple Airlines

Deal found 7/2

$236

Thu 7/1011:09 amLGA - STL

1 stop5h 29mAmerican Airlines

Thu 8/76:01 amSTL - LGA

Nonstop2h 30mAmerican Airlines

Deal found 7/3

$294

Sun 7/135:59 amLGA - STL

1 stop4h 53mSpirit Airlines

Wed 7/1611:24 amSTL - LGA

1 stop10h 47mSpirit Airlines

Deal found 7/2

$242

Thu 8/75:10 pmLGA - STL

1 stop4h 52mAmerican Airlines

Wed 8/132:45 pmSTL - LGA

Nonstop2h 30mAmerican Airlines

Deal found 7/3

$237

Fri 8/83:55 pmLGA - STL

Nonstop2h 45mSouthwest

Tue 8/127:35 pmSTL - LGA

Nonstop2h 25mSouthwest

Deal found 7/1

$245

Fri 8/86:30 amLGA - STL

Nonstop2h 40mDelta

Mon 8/259:16 amSTL - LGA

Nonstop2h 28mDelta

Deal found 6/30

$247

Thu 8/146:35 amLGA - STL

1 stop7h 57mSpirit Airlines

Sun 8/1710:37 amSTL - LGA

1 stop11h 43mSpirit Airlines

Deal found 7/3

$238

One-way flights from LaGuardia to St. Louis
Search for one-way flight options from LaGuardia to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 7/159:24 pmLGA - STL

2 stops14h 05mSpirit Airlines

Deal found 7/1

$113

Wed 8/1310:55 amLGA - STL

2 stops7h 55mSouthwest

Deal found 7/2

$114

Tue 7/1510:55 pmLGA - STL

1 stop11h 16mFrontier

Deal found 7/3

$116

Mon 8/116:30 amLGA - STL

Nonstop2h 36mDelta

Deal found 7/2

$124

Thu 8/1412:00 pmLGA - STL

1 stop4h 42mAmerican Airlines

Deal found 7/2

$135

Thu 8/146:35 amLGA - STL

3 stops13h 06mMultiple Airlines

Deal found 7/1

$155

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York LaGuardia Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 10/9

9:10 pm-10:55 pm

Nonstop2h 45m

Lambert-St Louis

Sun 10/12

6:00 am-11:23 am

1 stop4h 23m

$237

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 8/14

6:35 am-1:32 pm

1 stop7h 57m

Lambert-St Louis

Sun 8/17

10:37 am-11:20 pm

1 stop11h 43m

$238

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 8/7

7:55 pm-6:41 pm

3 stops23h 46m

Lambert-St Louis

Mon 8/11

10:47 am-3:35 pm

1 stop3h 48m

$240

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 8/8

3:55 pm-5:40 pm

Nonstop2h 45m

Lambert-St Louis

Tue 8/12

7:35 pm-11:00 pm

Nonstop2h 25m

$245

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 8/8

6:30 am-8:10 am

Nonstop2h 40m

Lambert-St Louis

Mon 8/25

9:16 am-12:44 pm

Nonstop2h 28m

$247

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 7/29

10:55 pm-9:11 am

1 stop11h 16m

Lambert-St Louis

Thu 8/7

2:36 pm-11:32 pm

1 stop7h 56m

$285

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 10/10

12:59 pm-1:27 pm

1 stop25h 28m

$112

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 7/15

9:24 pm-10:29 am

2 stops14h 05m

$113

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 8/13

10:55 am-5:50 pm

2 stops7h 55m

$114

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 8/14

12:00 pm-3:42 pm

1 stop4h 42m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 12 results

The best insider tips for New York LaGuardia Airport to St. Louis flights

Cheapflights partnered with top experts to bring you the best recommendations for your New York LaGuardia Airport to St. Louis trip

Airports

LGA

LGA offers free Wi-Fi with a strong signal throughout, ideal for accessing digital boarding passes and staying connected from check-in to boarding.

STL

Use the MetroLink light rail for a convenient and economical way to reach downtown St. Louis from STL, taking about 40 minutes.

Our travel experts

Brandon Schultz

Expert on LGA

Taryn White

Expert on STL

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from LaGuardia 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 New York LaGuardia Airport to St. Louis

How far ahead should I book a flight from New York LaGuardia Airport to St. Louis?

To ensure you get the cheapest price possible for a flight from New York LaGuardia Airport to St. Louis, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from New York LaGuardia Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to St. Louis (average of $311). Flying from New York LaGuardia Airport 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 LGA to STL?

It’s typically best to fly out from New York LaGuardia Airport to St. Louis in the morning. Doing so could potentially save you 5% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from New York LaGuardia Airport to St. Louis?

Travelers seeking maximum savings on their New York LaGuardia Airport to St. Louis flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from New York LaGuardia Airport to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,266 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,982 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Spirit Airlines

6.3

Okay

8,086 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Frontier

5.9

Fair

3,286 reviews

Southwest

8.0

Very good

4,266 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly into for flights to St. Louis from New York LaGuardia?
Lambert-St Louis (STL) is the airport you will fly into if you book a flight from New York LaGuardia to St. Louis. You should not have trouble finding flights to Lambert-St Louis from New York LaGuardia; the airport handles an average of 6 inbound flights from New York LaGuardia per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the St. Louis airport from New York LaGuardia. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.
What are the cheapest airlines flying from New York LaGuardia Airport to St. Louis round-trip?
Flying on Spirit Airlines is currently your cheapest option to St. Louis, with prices starting at $237. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at $245 and $247, respectively. Spirit Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from New York LaGuardia Airport to St. Louis one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $113. Southwest flights start at $114 while deals on Frontier start at $116 one-way.
What are the most reliable airlines from New York LaGuardia Airport to St. Louis?
Consider KLM (100%), Air France (100%) or Aeromexico (100%) when booking your flight. These represent the most reliable airlines when flying from New York LaGuardia Airport to St. Louis.
What are the cheapest flights from New York LaGuardia Airport to St. Louis?
Looking at all options, your cheapest flight can be booked for $110. While the most popular route (New York LaGuardia - Lambert-St Louis) can be booked for $122 on average our data indicates $415 when flying from New York LaGuardia Airport to St. Louis.
Can I find deals for flights from LaGuardia to St. Louis that include hotel bookings?
Yes. In addition to deals on LaGuardia to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from LaGuardia to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to St. Louis.
Can I find deals for business class flights from LaGuardia to St. Louis?
Yes. Cheapflights offers flight deals from LaGuardia 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 New York LaGuardia Airport to St. Louis?
Currently, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to St. Louis (average of $311). Flying from New York LaGuardia Airport 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

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Eureka

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Glencoe

Alton

Festus

Chesterfield

Farmington

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Top 3 airlines flying from LaGuardia to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$188	Average$349	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$206	Average$322	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$217	Average$339	FlexibilityNo cancel fee	On-time63%

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$112+ Cheap flights from LaGuardia, NY (LGA) to St. Louis (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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from LaGuardia 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 New York LaGuardia to Lambert-St Louis are usually found in March or April, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from LaGuardia to St. Louis

Round-trip from

One-way from

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Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from LaGuardia to St. Louis

Cheapest flights from LaGuardia to St. LouisExplore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York LaGuardia Airport to St. Louis that are best for you.

The best insider tips for New York LaGuardia Airport to St. Louis flights

Cheapflights partnered with top experts to bring you the best recommendations for your New York LaGuardia Airport to St. Louis trip

Airports

LGA

STL

Our travel experts

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

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

Cheapflights Insights

Everything you need to know about your flight from New York LaGuardia Airport to St. Louis

How far ahead should I book a flight from New York LaGuardia Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from LaGuardia to St. Louis. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from New York LaGuardia Airport to St. Louis?

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

Find hourly flight availability from LaGuardia 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 3, 2025.

What is the cheapest day to fly from New York LaGuardia Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from LaGuardia to St. Louis. Price data was last updated on June 29, 2025.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from New York LaGuardia Airport to St. Louis to help guide your decision. You can also see how each airline stacks up 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 LaGuardia 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 airport do you fly into for flights to St. Louis from New York LaGuardia?

What are the cheapest airlines flying from New York LaGuardia Airport to St. Louis round-trip?

What are the cheapest airlines to fly from New York LaGuardia Airport to St. Louis one-way?

What are the most reliable airlines from New York LaGuardia Airport to St. Louis?

What are the cheapest flights from New York LaGuardia Airport to St. Louis?

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

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

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

What is the cheapest month to book a flight from New York LaGuardia Airport to St. Louis?

Traveling to a place near New York LaGuardia Airport?

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Alternative routes for LaGuardia to St. Louis

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

Top 3 airlines flying from LaGuardia to St. Louis

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Cheapest flights from LaGuardia to St. Louis
Explore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.