Best Flights starting from $253
from$253economy
Jacksonville (JAX)
Thu, Sep 17
Roundtrip
St Louis (STL)
Sun, Sep 20
from$255economy
Jacksonville (JAX)
Mon, Sep 14
Roundtrip
St Louis (STL)
Thu, Sep 17
from$255economy
Jacksonville (JAX)
Wed, Sep 16
Roundtrip
St Louis (STL)
Sat, Sep 19
from$255economy
Jacksonville (JAX)
Sat, Sep 19
Roundtrip
St Louis (STL)
Tue, Sep 22
from$290economy
Jacksonville (JAX)
Tue, Sep 15
Roundtrip
St Louis (STL)
Fri, Sep 18
from$290economy
Jacksonville (JAX)
Fri, Sep 18
Roundtrip
St Louis (STL)
Mon, Sep 21
from$290economy
Jacksonville (JAX)
Sun, Sep 20
Roundtrip
St Louis (STL)
Wed, Sep 23
Fields updated — click View Prices to search ↑
Other Options for This Route
Other Destinations
Jacksonville (JAX) to Chicago (ORD) in September from $108
From $108
Jacksonville (JAX) to Minneapolis (MSP) in September from $112
From $112
Jacksonville (JAX) to Tampa (TPA) in September from $156
From $156
Jacksonville (JAX) to Providence (PVD) in September from $158
From $158
Jacksonville (JAX) to Washington, D.C. (DCA) in September from $194
From $194
Jacksonville (JAX) to Newark (EWR) in September from $197
From $197
Flights from Other Cities
Buffalo (BUF) to St Louis (STL) in September from $161
From $161
Vancouver (Any) to St Louis (STL) in September from $168
From $168
Charleston (CHS) to St Louis (STL) in September from $193
From $193
Philadelphia (Any) to St Louis (STL) in September from $210
From $210
Charlotte (CLT) to St Louis (STL) in September from $217
From $217
Phoenix (PHX) to St Louis (STL) in September from $230
From $230
✈️ Flight Guide: Jacksonville (JAX) → St Louis (STL)
Complete travel information for your September journey
Departing from Jacksonville (JAX) FAQs
To find cheap flights from St. Louis Lambert International Airport (STL), use price alerts, flexible date searches, and comparison tools like Google Flights and Skyscanner. Book 6–8 weeks in advance for domestic economy fares and consider midweek departures to lower costs. Sign up for airline newsletters and set fare alerts for primary routes from STL to major destinations like New York, Orlando, and Las Vegas.
Arrive at least 90 minutes before domestic departures and 2.5 hours before international flights at St. Louis Lambert International Airport (STL). Use airline mobile check-in to save time and consider TSA PreCheck if you fly frequently to bypass long security lines. Check real-time security wait times and airport parking options to make departures smoother.
St. Louis Lambert International Airport (STL) provides convenient access to nearby major cities and popular destinations including Kansas City, Chicago, Indianapolis, Louisville, and Nashville. Travelers often use STL to connect to national hubs like Atlanta, Dallas/Fort Worth, and Denver for broader domestic or international connections. Consider flights to New York, Orlando, Las Vegas, and Los Angeles when searching for competitive economy fares from STL.
In December, the cheapest economy fares from St. Louis Lambert International Airport (STL) often appear in the first two weeks, outside the peak holiday window. Use flexible-date calendars and set price alerts for your target destination; consider flying on the holiday eve or early December to save. For last-minute holiday trips, compare nearby airports and consider midweek departures to secure lower fares.
The most reliable ways to reach St. Louis Lambert International Airport (STL) are taxi, rideshare (Uber/Lyft), or the MetroLink light rail combined with connecting shuttles. Plan 20–40 minutes from downtown depending on traffic, and factor in extra time for peak hours. Consider airport parking if you prefer driving; pre-booked economy lots often cost less than daily curbside options.
Yes. From STL, January and September commonly offer the lowest average economy fares due to lower travel demand, while summer (June–August) and holiday weeks (late November, mid-December) see higher prices. Monitor monthly trends using fare trackers and be flexible with travel dates to capitalize on cheaper off-peak months. Setting alerts before these months can help secure the best deals.
Arriving at St Louis (STL) FAQs
The label 'Cheapest Fare (Economy) (CHEAPEST)' represents the most affordable economy-class options for arrival itineraries, typically with basic carry-on allowances and stricter change/cancellation rules. These fares are ideal for price-sensitive travelers who prioritize cost over flexibility. Check baggage rules, seat selection fees, and connection times before purchase to avoid unexpected charges.
Popular low-cost economy arrival destinations from St. Louis include New York City, Orlando, Las Vegas, Los Angeles, and Chicago. Airlines often publish competitive rates to these high-demand cities due to volume and frequent promotional sales. Use flexible-date searches from your departure at STL to spot these cheap arrival options and set alerts for price drops.
September is usually a low-demand month, making it one of the best times to secure cheap economy arrivals from St. Louis Lambert International Airport (STL). Use a flexible calendar search to compare entire months and prioritize midweek return dates. Signing up for fare alerts and checking alternate airports or nearby hubs can reveal additional savings.
Cheapest economy arrival fares often come with limited flexibility, extra fees for checked baggage, and no complimentary seat selection. They can be nonrefundable and have strict change penalties, so weigh savings against potential additional costs. If you value flexibility, consider paying a small premium for a branded fare with nicer baggage and change policies.
Choosing alternative arrival airports or 'All Airports' in a region can significantly reduce economy fare costs but may increase ground travel time. For example, flying into a secondary airport near big cities like Los Angeles or Chicago can be cheaper but require extra transfers. Compare total travel time and ground transportation costs when selecting the cheapest arrival options.
Cheapest economy arrivals commonly grant access to major cities such as New York City, Orlando, Las Vegas, Los Angeles, and Chicago, plus nearby cities like Philadelphia, Tampa, San Diego, and Boston. These routes often have more competition, which helps push down prices. Use regional search terms and compare arrival airport options to find the best deals.
1.0.2602.24
Events & Festivals Impacting Flights from St. Louis Lambert International Airport (STL) — How They Affect Economy Fares
Major events and festivals affect airfare from St. Louis Lambert International Airport (STL) and arrival-city pricing. Notable events include St. Louis's Fair St. Louis (typically July), major sporting events, and national conventions that raise demand. On the arrival side, events like New York Fashion Week (February/September), Orlando theme-park events (spring/summer), and Las Vegas conventions or festivals (year-round peaks) can spike CHEAPEST economy fares. Plan ahead for event dates, set fare alerts well in advance, and consider alternate dates if possible to avoid inflated prices.
Best Time to Fly from St. Louis Lambert International Airport (STL) — Save on Economy Fares
The best time to fly in economy from St. Louis Lambert International Airport (STL) to secure the cheapest fares is typically January, February, and September, when demand is lower. Avoid the busiest times—summer (June–August), Thanksgiving week, and the December holiday peak—unless you book several months ahead. For last-minute deals, search midweek departures and red-eye options. Primary keyword usage: 'best time to fly from STL', 'cheap travel months', with LSI terms 'shoulder season travel' and 'off-peak airfare'. CTA: 'Check the monthly fare calendar to find the best time to fly from STL.'
Direct vs Connecting Flights from St. Louis Lambert International Airport (STL) — Which Is Cheaper?
Direct flights from St. Louis Lambert International Airport (STL) are faster and reduce risk of missed connections, but connecting itineraries via hubs like Chicago (ORD), Atlanta (ATL), Dallas/Fort Worth (DFW), or Denver (DEN) often produce the cheapest economy fares. If your priority is savings, accept a longer total travel time and search for flights with 60–120 minute layovers; if time and convenience matter, prioritize nonstop flights even if that means paying a fare premium. Use a cost vs. time comparison to choose the option that fits your priorities.
Airline Comparison for St. Louis Lambert International Airport (STL) — Cheapest Economy Options
Major carriers serving St. Louis Lambert International Airport (STL) include Southwest Airlines, American Airlines, Delta Air Lines, and United Airlines. Southwest often offers competitive base fares and two free checked bags, making it a strong economy option for families; American and Delta provide extensive hub connectivity for multi-leg CHEAPEST itineraries; United can be competitive on transcontinental routes. Compare price, baggage policies, change fees, and loyalty benefits when selecting the cheapest economy fare. Use primary keywords like 'Southwest STL cheap fares', 'Delta economy STL', and LSI phrases such as 'baggage policy comparison' to assist SEO.
Seasonal Travel Tips for St. Louis Lambert International Airport (STL) Travelers — Save on Economy Fares
Seasonal tips for economy travelers flying from St. Louis Lambert International Airport (STL) to cheapest arrivals (CHEAPEST): in winter (Dec–Feb) rely on flexible dates to avoid holiday peaks; in spring (Mar–May) watch for spring-break surges and use early-month travel; in summer (Jun–Aug) book months ahead and consider midweek departures; in fall (Sep–Nov) capitalize on shoulder-month discounts and festival off-days. Always check weather-related travel advisories, pack layers for variable climates, and verify airline change policies for CHEAPEST fares. CTA: 'Compare seasonal fare trends and book the cheapest economy flights from STL today.'
Flight Times & Schedules — St. Louis Lambert International Airport (STL) to Popular Arrival Cities (CHEAPEST)
Flight times from St. Louis Lambert International Airport (STL) vary by destination. Typical nonstops from STL: to Chicago O'Hare ~1 hour 10 minutes, to Dallas/Fort Worth ~1 hour 50 minutes, to New York City ~2 hours 30 minutes, to Orlando ~2 hours 40 minutes, to Los Angeles ~4 hours 15 minutes. For cheapest economy arrivals (CHEAPEST), connecting flights through hubs like Dallas (DFW), Chicago (ORD), Atlanta (ATL), and Denver (DEN) may yield lower fares but add 1–3 hours of travel time. Check airline schedules for frequency changes by month and always confirm layover minimums when booking budget economy fares.
How to Find Cheap Flights from St. Louis Lambert International Airport (STL) — Economy (CHEAPEST)
Cheap flights guidance for travelers from St. Louis Lambert International Airport (STL) to the cheapest economy arrivals (CHEAPEST) focuses on price strategies: book 6–8 weeks ahead for domestic economy, use flexible-date calendars, set multiple price alerts, and compare nearby airports. Primary keywords include 'cheap flights STL', 'economy flights from St. Louis', and 'STL flight deals'. Secondary keywords and LSI terms such as 'budget airfare', 'fare alerts', and 'cheap nonstop flights' are rotated naturally. CTA: 'Search cheap flights from STL now and set an alert for economy CHEAPEST fares.'