Cheap Flight Deals to St. Louis

Find the best cheap flight deals to St. Louis Lambert International Airport (STL). Compare fares, book in seconds, and discover everything St. Louis, Missouri has to offer.

Round-trip flights from $79*

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Your Complete Guide to Flying to St. Louis, Missouri

St. Louis sits on the western bank of the Mississippi River, a city of 300,000 that was once the Gateway to the American West — the launching point for the Lewis and Clark Expedition and generations of westward-bound settlers. The iconic Gateway Arch, soaring 630 feet above the riverfront, commemorates this profound role in American expansion and remains the tallest man-made monument in the United States. St. Louis’s civic pride in its extraordinary collection of free cultural institutions is genuine and well-founded — the Saint Louis Art Museum, Missouri History Museum, and Saint Louis Science Center are all completely free.

The Cardinals’ Busch Stadium on the downtown riverfront is among the most beautiful ballparks in baseball, and the Anheuser-Busch Brewery, birthplace of Budweiser, offers tours through one of the most storied industrial complexes in American commercial history. Book cheap flight deals to St. Louis (STL) and discover the Gateway City’s underrated depth of history and culture.
The iconic 630-foot stainless steel arch on the Mississippi riverfront — the tallest man-made monument in the US — offering tram rides to the top for panoramic views plus a remarkable underground museum documenting westward expansion.

Gateway Arch National Park

A magnificent 1,371-acre park larger than New York’s Central Park, hosting the 1904 World’s Fair site, and housing the Saint Louis Art Museum, Missouri History Museum, Saint Louis Zoo, and Saint Louis Science Center — all completely free.

Forest Park

One of the finest free zoos in the world, home to over 14,000 animals across 90 acres in Forest Park — consistently ranked among the top zoos in the United States with no admission charge.

Saint Louis Zoo

A beautiful modern ballpark in the heart of downtown St. Louis, home of the St. Louis Cardinals — one of baseball’s most storied franchises with 11 World Series titles and a passionately devoted fanbase.

Busch Stadium & Cardinals Baseball

Tours of the historic 1852 brewery complex, birthplace of Budweiser, featuring the legendary Clydesdales stables, lagering caves, and the iconic Brew House — an architectural landmark of American industrial heritage.

Anheuser-Busch Brewery

The Hill Italian Neighborhood

St. Louis’s beloved Italian-American neighborhood, birthplace of Joe Garagiola and Yogi Berra, featuring outstanding Italian restaurants and the authentic community character that has defined the neighborhood for over a century.

St. Louis Lambert International Airport (STL)

The primary commercial airport serving St. Louis, located 15 miles from downtown. IATA code: STL. Connects primarily through Chicago O’Hare (ORD).

Location & Getting Around

St. Louis is located in Taylor County, West Texas, approximately 180 miles west of Dallas-Fort Worth. Car rentals are available at STL airport. The city is easily navigable by car with minimal traffic.

Climate & Weather

St. Louis has a semi-arid climate with hot summers (avg. 95°F in July) and mild winters. The city receives about 23 inches of rain annually. Spring and fall offer the most pleasant visiting conditions.

Events & Festivals

Major annual events include the Children’s Art & Literacy Festival (June), Western Heritage Classic Rodeo (May), and Holiday in St. Louis (December). Plan flights early around festival dates.

Travel Calendar

Best Time to Fly to St. Louis

Airfare and weather guide for every month of the year

JAN

Low fares

FEB

Low fares

MAR

Moderate

APR

Moderate

MAY

Moderate

JUN

Peak season

JUL

Peak season

AUG

Peak season

SEP

Moderate

OCT

Moderate

NOV

Low fares

DEC

Moderate

Cheapest fares

Average fares

Peak / expensive

Routes

Popular Routes to St. Louis (STL)

Compare fares across the most-searched departure cities
FromToFrom PriceType
Chicago (ORD)
Chicago
St. Louis (STL)
St. Louis, Missouri
from $79*Round Trip
Dallas (DFW)
Dallas
St. Louis (STL)
St. Louis, Missouri
from $89*Round Trip
Atlanta (ATL)
Atlanta
St. Louis (STL)
St. Louis, Missouri
from $89*Round Trip
Denver (DEN)
Denver
St. Louis (STL)
St. Louis, Missouri
from $99*Round Trip
New York (JFK)
New York
St. Louis (STL)
St. Louis, Missouri
from $109*Round Trip
Orlando (MCO)
Orlando
St. Louis (STL)
St. Louis, Missouri
from $99*Round Trip
Las Vegas (LAS)
Las Vegas
St. Louis (STL)
St. Louis, Missouri
from $109*Round Trip
Phoenix (PHX)
Phoenix
St. Louis (STL)
St. Louis, Missouri
from $109*Round Trip
Airport Guide

St. Louis Regional Airport (STL)

Everything you need to know about flying into and out of St. Louis’s main commercial airport.

IATA Code

STL

St. Louis

Distance to City

15 mi

From downtown St. Louis

Main Hub Airlines

AA / 9E

American / Endeavor Air

Key Connections

STL

Chicago O’Hare hub

Travel Tips

Tips for Finding Cheap Flights to St. Louis

Insider strategies to cut your airfare to STL significantly

01

Book 3–6 Weeks Ahead

For flights to St. Louis, booking 3 to 6 weeks before departure typically yields the best fares. Prices usually rise sharply within 2 weeks of departure.

02

Fly on Tuesdays or Wednesdays

Mid-week departures to STL are consistently 15–25% cheaper than weekend flights. Avoid Friday and Sunday travel for the lowest rates.

03

Consider Connecting via DFW

Most flights to St. Louis connect through Chicago O’Hare (ORD). Booking this connection often unlocks more schedule options and better pricing. Booking a DFW connection often unlocks more schedule options and better pricing compared to nonstop alternatives.

04

Travel in January, February, or September

These are the off-peak months for St. Louis air travel. Fares can be 30–40% lower than during the busy summer season.

05

Set Fare Alerts

Sign up for price drop notifications on your preferred St. Louis route. Fares fluctuate daily and a well-timed alert can save you $50–$150 per ticket.

06

Use Flexible Date Search

If your travel schedule allows, check fares ±3 days around your ideal dates. A one-day shift in departure can sometimes cut prices dramatically.

Frequently Asked Questions

Cheap flight deals to St. Louis (STL) start from around $79 for round-trip tickets from Chicago. As a Southwest stronghold with solid competition from major carriers, STL offers competitive fares from across the country.
St. Louis is served by St. Louis Lambert International Airport (IATA: STL), located approximately 15 miles northwest of downtown. It has been significantly revitalized with new routes and carrier additions in recent years following previous airline hub loss.
January, February, and November offer the lowest airfares to St. Louis (STL). Summer is peak season for Cardinals baseball and outdoor events. Fall offers beautiful foliage in Forest Park and moderate fares alongside the Cardinals' playoff potential.
St. Louis (STL) is served by Southwest Airlines, American Airlines, Delta Air Lines, United Airlines, Frontier, and Spirit with nonstop service to Chicago, Dallas, Atlanta, Denver, New York, Orlando, Las Vegas, and Phoenix among other cities.
Book 3-5 weeks ahead for the best fares to St. Louis. For Cardinals playoff season (October) and major conventions, book 4-6 weeks ahead. Southwest's frequent sales make STL a consistently good value destination from many US cities.
Top attractions include the Gateway Arch National Park, Forest Park (1,371 acres of free museums including the Saint Louis Zoo, Art Museum, History Museum, and Science Center), Busch Stadium and Cardinals baseball, the Anheuser-Busch Brewery tours, and the historic Hill Italian neighborhood.
Yes - St. Louis (STL) has nonstop flights from Chicago, Dallas, Atlanta, Denver, New York, Orlando, Las Vegas, Phoenix, and many other cities. Southwest Airlines operates the most extensive route network from STL with highly competitive pricing.
Popular Destinations

The Most Popular Cities

Explore top flight destinations travelers love — great deals available now.
Las Vegas

LAS. Nevada

New York

JFK. New York

Washington

DCA · D.C.

Chicago

ORD · Illinois

San Francisco

SFO · California

Los Angeles

LAX · California

Orlando

MCO · Florida

Miami

MIA · Florida

Paris

CDG · France

London

LHR · UK

Rome

FCO · Italy

Amsterdam

AMS · Netherlands

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