---
title: "St. Louis (STL) airport: direct flights & routes"
description: "Flights to and from St. Louis (STL): 33 nonstop destinations on 10 airlines, including Chicago, Newark and Denver. See who flies each one on 2LNR."
canonical: "https://2lnr.com/routes/stl"
url: "https://2lnr.com/routes/stl.md"
date_modified: "2026-10-23T14:17:50Z"
---

# Direct flights from St. Louis (STL)

From Lambert-St. Louis International Airport (STL), 10 airlines fly nonstop to 33 destinations, led by American Airlines, Frontier Airlines, and United Airlines. The busiest nonstops from St. Louis go to Chicago, Newark, and Denver. 2LNR monitors confirmed space on the St. Louis routes flown by American Airlines, Delta Air Lines, and Alaska Airlines so you can act while it's still available.

Route data refreshed October 23, 2026. Routes and carriers reflect the schedule data behind 2LNR's route map.

Updated October 20, 2026.

Explore St. Louis routes on the interactive map [Get started free](https://2lnr.com/login)

33

Nonstop destinations

10

Airlines serving STL

Free

To get started

## About Lambert-St. Louis International Airport (STL)

Lambert-St. Louis International Airport (STL) is the airport serving St. Louis, Missouri, United States. Its ICAO code is KSTL. Departure and arrival times at STL are local to the America/Chicago time zone. Its nonstop network reaches 33 destinations across 7 countries.

## Confirmed upgrade & award space on St. Louis routes

2LNR tracks confirmed upgrade and award space on American Airlines, Delta Air Lines, and Alaska Airlines, segment by segment and date by date. Pick any St. Louis destination below to open a calendar of departures, the next 14 days free on every product and the full horizon on Pro.

### See real availability

Confirmed upgrade or award seats by date on the STL routes 2LNR tracks, checked against live inventory so you know what's open before you book.

### Set an alert

Premium inventory turns over fast. Watch a tracked St. Louis route on Pro and 2LNR notifies you when space appears.

### Plan on the map

Explore every STL nonstop on the interactive route map, with connections and route statistics.

## All nonstop destinations from St. Louis (STL)

These are the city pairs behind flights to and from St. Louis: 33 nonstop destinations with active service at Lambert-St. Louis International Airport. Each route links to its own page, with confirmed upgrade or award space by date where 2LNR tracks the carrier.

- [St. Louis to Atlanta flights (STL-ATL)](https://2lnr.com/routes/stl-atl.md): Delta Air Lines and Frontier Airlines\
  [Return: Atlanta to St. Louis](https://2lnr.com/routes/atl-stl.md)
- [St. Louis to Boston flights (STL-BOS)](https://2lnr.com/routes/stl-bos.md): American Airlines\
  [Return: Boston to St. Louis](https://2lnr.com/routes/bos-stl.md)
- [St. Louis to Cancun flights (STL-CUN)](https://2lnr.com/routes/stl-cun.md): American Airlines and Frontier Airlines\
  [Return: Cancun to St. Louis](https://2lnr.com/routes/cun-stl.md)
- [St. Louis to Charlotte flights (STL-CLT)](https://2lnr.com/routes/stl-clt.md): American Airlines\
  [Return: Charlotte to St. Louis](https://2lnr.com/routes/clt-stl.md)
- [St. Louis to Chicago flights (STL-ORD)](https://2lnr.com/routes/stl-ord.md): American Airlines and United Airlines\
  [Return: Chicago to St. Louis](https://2lnr.com/routes/ord-stl.md)
- [St. Louis to Dallas flights (STL-DFW)](https://2lnr.com/routes/stl-dfw.md): American Airlines and Frontier Airlines\
  [Return: Dallas to St. Louis](https://2lnr.com/routes/dfw-stl.md)
- [St. Louis to Denver flights (STL-DEN)](https://2lnr.com/routes/stl-den.md): Frontier Airlines and United Airlines\
  [Return: Denver to St. Louis](https://2lnr.com/routes/den-stl.md)
- [St. Louis to Detroit flights (STL-DTW)](https://2lnr.com/routes/stl-dtw.md): Delta Air Lines\
  [Return: Detroit to St. Louis](https://2lnr.com/routes/dtw-stl.md)
- [St. Louis to Frankfurt flights (STL-FRA)](https://2lnr.com/routes/stl-fra.md): Lufthansa\
  [Return: Frankfurt to St. Louis](https://2lnr.com/routes/fra-stl.md)
- [St. Louis to Houston flights (STL-IAH)](https://2lnr.com/routes/stl-iah.md): United Airlines\
  [Return: Houston to St. Louis](https://2lnr.com/routes/iah-stl.md)
- [St. Louis to Jonesboro flights (STL-JBR)](https://2lnr.com/routes/stl-jbr.md): Southern Airways\
  [Return: Jonesboro to St. Louis](https://2lnr.com/routes/jbr-stl.md)
- [St. Louis to Las Vegas flights (STL-LAS)](https://2lnr.com/routes/stl-las.md): Frontier Airlines\
  [Return: Las Vegas to St. Louis](https://2lnr.com/routes/las-stl.md)
- [St. Louis to London flights (STL-LHR)](https://2lnr.com/routes/stl-lhr.md): British Airways\
  [Return: London to St. Louis](https://2lnr.com/routes/lhr-stl.md)
- [St. Louis to Los Angeles flights (STL-LAX)](https://2lnr.com/routes/stl-lax.md): American Airlines\
  [Return: Los Angeles to St. Louis](https://2lnr.com/routes/lax-stl.md)
- [St. Louis to Miami flights (STL-MIA)](https://2lnr.com/routes/stl-mia.md): American Airlines\
  [Return: Miami to St. Louis](https://2lnr.com/routes/mia-stl.md)
- [St. Louis to Minneapolis flights (STL-MSP)](https://2lnr.com/routes/stl-msp.md): Delta Air Lines\
  [Return: Minneapolis to St. Louis](https://2lnr.com/routes/msp-stl.md)
- [St. Louis to Montreal flights (STL-YUL)](https://2lnr.com/routes/stl-yul.md): Air Canada\
  [Return: Montreal to St. Louis](https://2lnr.com/routes/yul-stl.md)
- [St. Louis to New York flights (STL-JFK)](https://2lnr.com/routes/stl-jfk.md): Delta Air Lines\
  [Return: New York to St. Louis](https://2lnr.com/routes/jfk-stl.md)
- [St. Louis to New York flights (STL-LGA)](https://2lnr.com/routes/stl-lga.md): American Airlines and Delta Air Lines\
  [Return: New York to St. Louis](https://2lnr.com/routes/lga-stl.md)
- [St. Louis to Newark flights (STL-EWR)](https://2lnr.com/routes/stl-ewr.md): United Airlines\
  [Return: Newark to St. Louis](https://2lnr.com/routes/ewr-stl.md)
- [St. Louis to Orlando flights (STL-MCO)](https://2lnr.com/routes/stl-mco.md): Frontier Airlines\
  [Return: Orlando to St. Louis](https://2lnr.com/routes/mco-stl.md)
- [St. Louis to Philadelphia flights (STL-PHL)](https://2lnr.com/routes/stl-phl.md): American Airlines\
  [Return: Philadelphia to St. Louis](https://2lnr.com/routes/phl-stl.md)
- [St. Louis to Phoenix flights (STL-PHX)](https://2lnr.com/routes/stl-phx.md): American Airlines\
  [Return: Phoenix to St. Louis](https://2lnr.com/routes/phx-stl.md)
- [St. Louis to Portland flights (STL-PDX)](https://2lnr.com/routes/stl-pdx.md): Alaska Airlines\
  [Return: Portland to St. Louis](https://2lnr.com/routes/pdx-stl.md)
- [St. Louis to Punta Cana flights (STL-PUJ)](https://2lnr.com/routes/stl-puj.md): Frontier Airlines\
  [Return: Punta Cana to St. Louis](https://2lnr.com/routes/puj-stl.md)
- [St. Louis to Reykjavik flights (STL-KEF)](https://2lnr.com/routes/stl-kef.md): Icelandair\
  [Return: Reykjavik to St. Louis](https://2lnr.com/routes/kef-stl.md)
- [St. Louis to Salt Lake City flights (STL-SLC)](https://2lnr.com/routes/stl-slc.md): Delta Air Lines\
  [Return: Salt Lake City to St. Louis](https://2lnr.com/routes/slc-stl.md)
- [St. Louis to San Francisco flights (STL-SFO)](https://2lnr.com/routes/stl-sfo.md): United Airlines\
  [Return: San Francisco to St. Louis](https://2lnr.com/routes/sfo-stl.md)
- [St. Louis to San Luis Obispo flights (STL-SBP)](https://2lnr.com/routes/stl-sbp.md): United Airlines
- [St. Louis to Seattle flights (STL-SEA)](https://2lnr.com/routes/stl-sea.md): Alaska Airlines\
  [Return: Seattle to St. Louis](https://2lnr.com/routes/sea-stl.md)
- [St. Louis to Toronto flights (STL-YYZ)](https://2lnr.com/routes/stl-yyz.md): Air Canada\
  [Return: Toronto to St. Louis](https://2lnr.com/routes/yyz-stl.md)
- [St. Louis to Washington flights (STL-DCA)](https://2lnr.com/routes/stl-dca.md): American Airlines\
  [Return: Washington to St. Louis](https://2lnr.com/routes/dca-stl.md)
- [St. Louis to Washington flights (STL-IAD)](https://2lnr.com/routes/stl-iad.md): United Airlines\
  [Return: Washington to St. Louis](https://2lnr.com/routes/iad-stl.md)

Explore STL routes on the interactive map →

## Nonstop flights to St. Louis (STL)

32 airports have nonstops to Lambert-St. Louis International Airport in 2LNR's schedule data. Here they are, with the airlines that fly each route.

- [Atlanta to St. Louis flights (ATL-STL)](https://2lnr.com/routes/atl-stl.md): Delta Air Lines and Frontier Airlines
- [Boston to St. Louis flights (BOS-STL)](https://2lnr.com/routes/bos-stl.md): American Airlines
- [Cancun to St. Louis flights (CUN-STL)](https://2lnr.com/routes/cun-stl.md): American Airlines and Frontier Airlines
- [Charlotte to St. Louis flights (CLT-STL)](https://2lnr.com/routes/clt-stl.md): American Airlines
- [Chicago to St. Louis flights (ORD-STL)](https://2lnr.com/routes/ord-stl.md): American Airlines and United Airlines
- [Dallas to St. Louis flights (DFW-STL)](https://2lnr.com/routes/dfw-stl.md): American Airlines and Frontier Airlines
- [Denver to St. Louis flights (DEN-STL)](https://2lnr.com/routes/den-stl.md): Frontier Airlines and United Airlines
- [Detroit to St. Louis flights (DTW-STL)](https://2lnr.com/routes/dtw-stl.md): Delta Air Lines
- [Frankfurt to St. Louis flights (FRA-STL)](https://2lnr.com/routes/fra-stl.md): Lufthansa
- [Houston to St. Louis flights (IAH-STL)](https://2lnr.com/routes/iah-stl.md): United Airlines
- [Jonesboro to St. Louis flights (JBR-STL)](https://2lnr.com/routes/jbr-stl.md): Southern Airways
- [Las Vegas to St. Louis flights (LAS-STL)](https://2lnr.com/routes/las-stl.md): Frontier Airlines
- [London to St. Louis flights (LHR-STL)](https://2lnr.com/routes/lhr-stl.md): British Airways
- [Los Angeles to St. Louis flights (LAX-STL)](https://2lnr.com/routes/lax-stl.md): American Airlines
- [Miami to St. Louis flights (MIA-STL)](https://2lnr.com/routes/mia-stl.md): American Airlines
- [Minneapolis to St. Louis flights (MSP-STL)](https://2lnr.com/routes/msp-stl.md): Delta Air Lines
- [Montreal to St. Louis flights (YUL-STL)](https://2lnr.com/routes/yul-stl.md): Air Canada
- [New York to St. Louis flights (JFK-STL)](https://2lnr.com/routes/jfk-stl.md): Delta Air Lines
- [New York to St. Louis flights (LGA-STL)](https://2lnr.com/routes/lga-stl.md): American Airlines and Delta Air Lines
- [Newark to St. Louis flights (EWR-STL)](https://2lnr.com/routes/ewr-stl.md): United Airlines
- [Orlando to St. Louis flights (MCO-STL)](https://2lnr.com/routes/mco-stl.md): Frontier Airlines
- [Philadelphia to St. Louis flights (PHL-STL)](https://2lnr.com/routes/phl-stl.md): American Airlines
- [Phoenix to St. Louis flights (PHX-STL)](https://2lnr.com/routes/phx-stl.md): American Airlines
- [Portland to St. Louis flights (PDX-STL)](https://2lnr.com/routes/pdx-stl.md): Alaska Airlines
- [Punta Cana to St. Louis flights (PUJ-STL)](https://2lnr.com/routes/puj-stl.md): Frontier Airlines
- [Reykjavik to St. Louis flights (KEF-STL)](https://2lnr.com/routes/kef-stl.md): Icelandair
- [Salt Lake City to St. Louis flights (SLC-STL)](https://2lnr.com/routes/slc-stl.md): Delta Air Lines
- [San Francisco to St. Louis flights (SFO-STL)](https://2lnr.com/routes/sfo-stl.md): United Airlines
- [Seattle to St. Louis flights (SEA-STL)](https://2lnr.com/routes/sea-stl.md): Alaska Airlines
- [Toronto to St. Louis flights (YYZ-STL)](https://2lnr.com/routes/yyz-stl.md): Air Canada
- [Washington to St. Louis flights (DCA-STL)](https://2lnr.com/routes/dca-stl.md): American Airlines
- [Washington to St. Louis flights (IAD-STL)](https://2lnr.com/routes/iad-stl.md): United Airlines

## Airlines that fly out of St. Louis (STL)

The carriers with nonstop service from Lambert-St. Louis International Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map.

- [American Airlines (AA)](https://2lnr.com/routes/airlines/aa.md)
- [Frontier Airlines (F9)](https://2lnr.com/routes/airlines/f9.md)
- [United Airlines (UA)](https://2lnr.com/routes/airlines/ua.md)
- [Delta Air Lines (DL)](https://2lnr.com/routes/airlines/dl.md)
- [Air Canada (AC)](https://2lnr.com/routes/airlines/ac.md)
- [Alaska Airlines (AS)](https://2lnr.com/routes/airlines/as.md)
- [Southern Airways (9X)](https://2lnr.com/routes/airlines/9x.md)
- [British Airways (BA)](https://2lnr.com/routes/airlines/ba.md)
- [Icelandair (FI)](https://2lnr.com/routes/airlines/fi.md)
- [Lufthansa (LH)](https://2lnr.com/routes/airlines/lh.md)

## Alternative airports near St. Louis (STL)

Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute.

- [Belleville (BLV)](https://2lnr.com/routes/blv.md) (29 miles, 10 nonstop destinations)
- [Springfield (SPI)](https://2lnr.com/routes/spi.md) (84 miles, 2 nonstop destinations)
- [Quincy (UIN)](https://2lnr.com/routes/uin.md) (94 miles, 2 nonstop destinations)
- [Columbia (COU)](https://2lnr.com/routes/cou.md) (100 miles, 9 nonstop destinations)
- [Marion (MWA)](https://2lnr.com/routes/mwa.md) (101 miles, 1 nonstop destination)
- [Decatur (DEC)](https://2lnr.com/routes/dec.md) (110 miles, 1 nonstop destination)

[United States flights by airport](https://2lnr.com/routes/to/united-states.md)

- [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md)
- [How to read award availability by date](https://2lnr.com/guides/award-availability.md)

## Frequently asked questions about St. Louis (STL)

**How many nonstop destinations does Lambert-St. Louis International Airport (STL) serve?**

Lambert-St. Louis International Airport has active nonstop service to 33 destinations in 2LNR's schedule data. The busiest markets from STL are Chicago, Newark, and Denver. The full list, with who flies each route and, where 2LNR tracks the carrier, upgrade and award space by date, is on this page.

**Which airlines fly out of St. Louis (STL)?**

The carriers with nonstop service from Lambert-St. Louis International Airport are listed in full on this page, each linked to its own route map. American Airlines, Frontier Airlines, and United Airlines run the most routes from St. Louis, in that order. In 2LNR's schedule data that is 10 airlines in total.

**How many airlines fly out of STL?**

2LNR's schedule data currently shows 10 airlines with at least one nonstop route from St. Louis (STL). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season.

**How do I check upgrade or award availability from STL?**

Pick any destination on this page, such as Chicago, to open a calendar of STL departures with confirmed upgrade and award space on American Airlines, Delta Air Lines, and Alaska Airlines by date, the next 14 days free on every product and the full horizon on Pro. On Pro you can also set an alert so 2LNR notifies you when space opens.

**Does 2LNR track flights from STL?**

Yes. Every nonstop route from Lambert-St. Louis International Airport in 2LNR's schedule data is listed, 33 destinations in total, and on the routes flown by American Airlines, Delta Air Lines, and Alaska Airlines what is shown is confirmed availability rather than a forecast, the next 14 days free on every product and the full horizon on Pro.

**Where can you fly nonstop from St. Louis (STL)?**

2LNR's schedule data shows nonstops from St. Louis (STL) to 33 destinations. The busiest go to Chicago, Newark, Denver, Dallas, Houston, Atlanta, Charlotte, Philadelphia, New York, and San Francisco. This page lists all 33, with the airlines that fly each one.

## Never miss STL upgrade or award space

See what's open by date on these routes, the next 14 days free on every product and the full horizon on Pro.

[Get started free](https://2lnr.com/login)