West Palm Beach (PBI) to St. Louis (STL) at a glance

Travel from West Palm Beach (PBI) to St. Louis (STL) with a range of airlines offering convenient options on this domestic short-haul route. Whether you prefer full-service or budget-friendly carriers, you can find flights that suit your travel plans and budget while exploring the iconic attractions and neighborhoods of St. Louis. Discover essential information about flight times and itineraries from Palm Beach International Airport (PBI) to Lambert-St. Louis International Airport (STL).

• Fastest flight duration: around 3 hours non-stop
• Route distance: roughly 1,000 miles (1,610 km)
• Flights per week: around 12 departures on average
• Typical fares (one-way): economy tickets often range from $100–$470, depending on seasonality and how far ahead you book

Flights from Palm Beach International Airport (PBI) to Lambert-St. Louis International Airport (STL)

Based on the latest traveler bookings, here are the top airlines favored for flights from West Palm Beach to St. Louis, featuring both non-stop and one-stop options. Common layover points include Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour 15 minutes, Charlotte-Douglas International Airport (CLT) with a 1-hour layover, and O'Hare International Airport (ORD), also around 1 hour 15 minutes. These choices allow you to tailor your travel plans by balancing price, overall travel time, and cabin class for the ideal itinerary.

• Delta: As a comprehensive airline, Delta provides one-stop service with one-way ticket prices generally falling between $120 and $490. This carrier represents about 54% of departures for this route, featuring an in-flight duration of 3 hours and 45 minutes, leading to a total travel time of around 5 hours, including layover time.
• American Airlines: Another full-service option, American Airlines offers one-stop services with one-way fares typically ranging from $100 to $450. American Airlines accounts for roughly 27% of flights on this route, boasting an in-air time of 3 hours and 45 minutes and a total journey duration of about 5 hours, factoring in the layover.
• Southwest Airlines: This budget-friendly carrier provides both non-stop and one-stop options, with one-way fares usually between $100 and $500. Southwest Airlines covers approximately 15% of departures on this route, featuring an in-flight time of 3 hours and 45 minutes, resulting in a total travel duration of about 5 hours.
• United: United Airlines, a full-service provider, offers one-stop service with one-way fares that typically range from $140 to $445. Representing around 4% of departures for this route, United features an in-flight duration of 3 hours and 45 minutes, leading to an overall journey time of approximately 5 hours, including any layovers.

Travelers flying from West Palm Beach to St. Louis can opt for an upgrade. Delta provides first class and premium economy class service on this route for enhanced comfort.

Best time to fly from West Palm Beach (PBI) to St. Louis (STL)

The most popular months for travelers flying from West Palm Beach to St. Louis are February, March, and April, when peak temperatures in St. Louis reach up to 56.1°F in April. If you prefer quieter travel, consider July, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 78.6°F. For better deals, September usually offers the lowest average one-way fare around $220. Flight availability peaks in March, with approximately 17 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: September usually offers good deals with average one-way fare around $220, roughly 14% cheaper than the yearly average.
• More budget-friendly months to fly: February and April typically offer average one-way fares of around $239.
• Most flight options: March has the highest number of flights from West Palm Beach to St. Louis, with approximately 17 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	31.6°F (-0.2°C)	Average	10	$267
February	34.9°F (1.6°C)	High	10	$237
March	46.4°F (8.0°C)	High	17	$264
April	56.1°F (13.4°C)	High	13	$241
May	66.6°F (19.2°C)	Average	12	$263
June	76.1°F (24.5°C)	Average	10	$253
July	78.6°F (25.9°C)	Low	9	$267
August	77.0°F (25.0°C)	Average	13	$250
September	70.9°F (21.6°C)	Average	11	$220
October	58.6°F (14.8°C)	Low	10	$267
November	46.2°F (7.9°C)	Low	11	$280
December	37.8°F (3.2°C)	Average	12	$264

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from West Palm Beach (PBI) to St. Louis (STL)

• West Palm Beach to St. Louis (PBI-SUS): Located approximately 16 miles from Lambert-St. Louis International Airport (STL), Spirit of St. Louis Airport (SUS) serves as a convenient travel hub.
• West Palm Beach to St. Louis (PBI-CPS): St. Louis Downtown Airport (CPS) is about 16 miles distant from Lambert-St. Louis International Airport (STL), providing easy access to the city.
• Boca Raton to St. Louis (BCT-STL): Boca Raton Airport (BCT) lies roughly 21 miles from Palm Beach International Airport (PBI), connecting travelers to various destinations.

How to find the best prices for flights from West Palm Beach (PBI) to St. Louis (STL)

Getting some of the best deals on flights from West Palm Beach to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least 2 months in advance, although most travelers tend to book within 2 to 8 weeks. Evening departures from 6 PM to 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are more popular. Additionally, flying on Tuesday generally leads to cheaper prices, with Sunday being the most common travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Palm Beach International Airport

St. Louis welcomes travelers from West Palm Beach with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
• Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access to public transportation.