Best Flights starting from $190
from$190economy
Las Vegas (LAS)
Tue, May 12
Roundtrip
St Louis (STL)
Fri, May 15
from$190economy
Las Vegas (LAS)
Fri, May 15
Roundtrip
St Louis (STL)
Mon, May 18
from$226economy
Las Vegas (LAS)
Wed, May 13
Roundtrip
St Louis (STL)
Sat, May 16
from$226economy
Las Vegas (LAS)
Sat, May 16
Roundtrip
St Louis (STL)
Tue, May 19
from$237economy
Las Vegas (LAS)
Sun, May 17
Roundtrip
St Louis (STL)
Wed, May 20
from$255economy
Las Vegas (LAS)
Mon, May 11
Roundtrip
St Louis (STL)
Thu, May 14
from$286economy
Las Vegas (LAS)
Thu, May 14
Roundtrip
St Louis (STL)
Sun, May 17
Fields updated — click View Prices to search ↑
Other Destinations
Las Vegas (LAS) to Salt Lake City (SLC) in May from $30
From $30
Las Vegas (LAS) to Chicago (ORD) in May from $81
From $81
Las Vegas (LAS) to Fort Lauderdale (Any) in May from $130
From $130
Las Vegas (LAS) to Austin (AUS) in May from $142
From $142
Las Vegas (LAS) to New York (LGA) in May from $181
From $181
Las Vegas (LAS) to New Orleans (MSY) in May from $208
From $208
Flights from Other Cities
Atlanta (Any) to St Louis (STL) in May from $126
From $126
Dallas (DFW) to St Louis (STL) in May from $147
From $147
Hilo (ITO) to St Louis (STL) in May from $255
From $255
Toronto (YYZ) to St Louis (STL) in May from $317
From $317
Providence (PVD) to St Louis (STL) in May from $347
From $347
Oakland (OAK) to St Louis (STL) in May from $427
From $427
✈️ Flight Guide: Las Vegas (LAS) → St Louis (STL)
Complete travel information for your May journey
Departing from Las Vegas (LAS) FAQs
Search flexible-date calendars and set price alerts on Google Flights, Skyscanner, or Kayak, and check low-cost carriers like Southwest, Frontier, and Spirit. Book 3–8 weeks out for domestic economy routes during off-peak months and consider midweek departures to secure lower fares.
For many domestic economy routes, late January through early March and September through early November often show the lowest fares from St. Louis (STL). These shoulder-season months combine lower demand, fare sales, and steady schedules for cheaper economy tickets.
Economy surface lots and off-airport Park & Ride shuttles typically offer the lowest rates; many off-site lots include free shuttle service to terminals. For short trips, use terminal cell phone lots for pickup/drop-off and compare ride-share prices for cost-effective travel to downtown St. Louis.
Yes — November and December bring holiday travel spikes and potential winter weather delays. Book early (8–12 weeks), allow extra connection time, and consider refundable or flexible economy fares during Thanksgiving and Christmas weeks to avoid rebooking fees.
From St. Louis (STL) you can reach Chicago, Kansas City, Indianapolis, Louisville and Memphis via direct or low-cost connecting flights; these cities are common destinations for budget travelers and often appear in economy fare sales.
Economy passengers should compare basic economy vs standard economy rules; many low-cost carriers charge for checked bags and seat selection while legacy carriers include a carry-on and one personal item. Save by packing carry-on only, joining loyalty programs, or bundling services if you need checked baggage.
Arriving at St Louis (STL) FAQs
Economy class usually includes a standard seat, one personal item, and non-refundable basic or standard fare rules depending on the airline. Low-cost carriers often charge extra for checked bags and seat selection, so always review the fare conditions before purchase.
To minimize costs, book early, be flexible with travel dates, and consider alternate nearby airports for arrival. Use price alerts, travel midweek, and limit checked luggage; these strategies commonly lower economy arrival costs during peak December travel.
Upgrades to extra legroom seats can improve comfort on longer flights but typically add to the cost; compare upgrade prices vs. the benefit and consider loyalty program benefits or credit card perks for free upgrades. For short domestic hops from STL, standard economy is often sufficient.
Summer arrivals often face higher local transport costs, crowded attractions, and potential flight delays due to weather. Book ground transport in advance, opt for early-morning arrivals to maximize daytime activities, and secure refundable options if your schedule might change.
Yes — award seats and miles redemptions can significantly reduce the cash cost of economy arrivals, particularly off-peak. Monitor award availability, be flexible with dates, and check multiple carriers or alliance partners to find the best redemption options.
1.0.2603.08
Events & Festivals Impacting Economy Fares — St. Louis (STL) and Top Destinations
Major events that impact economy fares from St. Louis (STL) include: CES in Las Vegas (January) — book months ahead for economy seats; Taste of Chicago (June) and Lollapalooza (Chicago, July) — expect higher fares to the Midwest; Fourth of July/ Fair St. Louis (early July) — increased regional demand; Thanksgiving and Christmas holiday weeks — nationwide fare spikes; New Year’s Eve in major cities (NYC, Las Vegas) — premium economy pricing. For lower costs, travel outside event dates, use alternate nearby airports, or book many weeks in advance.
Best Time to Fly Economy from St. Louis Lambert International Airport (STL)
The best time to fly economy from St. Louis Lambert International Airport (STL) is during shoulder seasons (late January–March and September–early November) and on Tuesdays/Wednesdays for lower fares. For domestic economy trips, book 3–8 weeks in advance; for holiday travel, reserve 8–12 weeks ahead. Use flexible-date searches and sign up for airline newsletters to catch flash sales.
Direct vs Connecting Economy Flights from St. Louis (STL) — Cost, Time & Tips
Direct economy flights from St. Louis Lambert International Airport (STL) save time and reduce connection risk but are often pricier. Connecting flights through hubs like Chicago O’Hare (ORD), Dallas/Fort Worth (DFW), or Atlanta (ATL) can reduce the fare significantly, especially for coast-to-coast travel. If booking separate tickets, build long layovers to account for delays; if booking through a single carrier, 60–90 minutes can be sufficient for domestic connections depending on the airport.
Airline Comparison for Economy Travelers from St. Louis (STL)
Southwest: Competitive for domestic economy travelers from St. Louis (STL) thanks to two free checked bags and flexible change policies; fares can be slightly higher but avoid baggage fees. Frontier & Spirit: Offer lowest base economy prices but charge for carry-ons, seat assignment and extras — ideal if you travel carry-on only. American, United, Delta: Legacy carriers provide broader networks, more consistent schedules, and bundled fares that may be worth the premium for connections or tight itineraries. Always compare total out-the-door price (fare + bags + seat selection) to identify the true cheapest economy option.
Seasonal Travel Tips for Economy Travelers Departing St. Louis (STL)
Winter (Dec–Feb): Expect potential delays and de-icing; pack warm layers in carry-on and allow extra connection time. Spring (Mar–May): Shoulder-season deals are common — book early for spring-break windows and travel midweek. Summer (Jun–Aug): Peak season means higher economy fares and fuller flights; reserve tickets 8–12 weeks ahead and prebook airport transfers. Fall (Sep–Nov): One of the best times for cheap economy travel from St. Louis (STL) — take advantage of lower demand, especially in September and October. Across seasons, minimize fees by packing carry-on only, using fare-comparison tools, and setting price alerts. CTA: Check current cheap economy fares from St. Louis (STL) and set alerts today.
Flight Time & Schedules — From St. Louis Lambert International Airport (STL) to Popular Economy Destinations
Typical non-stop economy flight times from St. Louis Lambert International Airport (STL) include: Chicago (ORD/MDW) ~1:00–1:20 hr, Dallas/Fort Worth (DFW) ~1:40–2:00 hr, Denver (DEN) ~2:10–2:40 hr, New York (LGA/JFK) ~2:30–3:00 hr, Orlando (MCO) ~2:30–3:00 hr, Las Vegas (LAS) ~3:30–4:00 hr. Low-cost carriers often focus on frequent short-haul departures, so consider early-morning flights to reduce delay risk. For connecting itineraries, common hubs include Chicago O’Hare, Dallas/Fort Worth, and Atlanta; build at least 90 minutes for domestic connections if booking separate tickets.
Cheap Flights from St. Louis Lambert International Airport (STL) — Economy Fare Strategies
To find the cheapest economy flights from St. Louis Lambert International Airport (STL), use flexible-date calendars and multi-airport searches, monitor fare alerts, and compare low-cost carriers against legacy airlines. Primary keywords to target include 'cheap economy flights STL' and 'budget airfare from St. Louis'. Consider flying midweek, avoiding holiday windows, and packing carry-on only to avoid baggage fees. CTA: Search cheap economy flights from St. Louis now with fare alerts.