✈️ Flight Guide: St Louis (STL) → Houston (HOU)

April attracts baseball fans to Busch Stadium in St. Louis for St. Louis Cardinals home games and brings spring blooms at the Missouri Botanical Garden—both can increase outbound airport traffic at Lambert-St. Louis International Airport (STL). Houston’s April calendar often features the Art Car Parade, Bayou City events, and Houston Astros home games, which may drive demand at William P. Hobby Airport (HOU). Anticipate higher hotel and flight prices around major festival weekends and book ahead. CTA: Check event dates and secure STL to HOU April flights and accommodations early to avoid premium pricing.

For April travel, the best time to fly from Lambert-St. Louis International Airport (STL) to William P. Hobby Airport (HOU) is mid-week (Tuesday–Wednesday) and early morning slots to avoid delays and higher weekend fares. If attending Houston events, book at least a month in advance to avoid surges around festival weekends. For business travelers, late afternoon return flights can be practical; for leisure, consider early morning departures to maximize your first day in Houston. CTA: Check fare calendars for April and select mid-week morning flights to get the best value.

Nonstop flights from Lambert-St. Louis International Airport (STL) to William P. Hobby Airport (HOU) are the fastest option (about 1 hour 45–55 minutes) and typically operated by Southwest Airlines, offering convenience and lower chance of missed connections. Connecting flights via hubs can be cheaper some days and offer more schedule variety, but add travel time and risk. For April, if time is valuable, choose nonstop; if price sensitivity is higher and you have flexible timing, compare connecting itineraries. CTA: Filter search results for nonstop STL to HOU April flights to compare total travel time and price.

Southwest Airlines: Strong nonstop presence between Lambert-St. Louis International Airport (STL) and William P. Hobby Airport (HOU) with flexible change policies and two free checked bags, making it a go-to in April for leisure travelers. American Airlines: Offers connecting itineraries with broader network access and loyalty program benefits; good if you need connections to other cities. Delta Air Lines and United Airlines: Provide connecting options through their hubs with potential competitive fares; ideal for travelers maximizing elite status perks. For April, compare total trip cost (including baggage and seat selection) and schedules. CTA: Compare carriers for your April travel dates and book the option that balances price, comfort, and loyalty benefits.

Pack a light rain jacket and umbrella for spring showers common in both St. Louis and Houston in April, and bring allergy medication for elevated pollen counts in St. Louis. Arrive earlier on weekend travel days and allow extra time for ground transportation during event weekends. Consider refundable fares if weather forecasts predict major storms. CTA: Prepare for April travel by checking weather and securing travel insurance or flexible fares for your STL to HOU itinerary.

Typical nonstop flight time between Lambert-St. Louis International Airport (STL) and William P. Hobby Airport (HOU) is approximately 1 hour 45–55 minutes. In April, airlines offer multiple daily departures, with peaks in early morning and late afternoon to accommodate business travel and one-night leisure stays. Check carrier schedules for exact departure windows and seasonal frequency increases around holidays or spring events. CTA: View current STL to HOU April flight schedules and pick the time that suits your itinerary.

To secure cheap flights from Lambert-St. Louis International Airport (STL) to William P. Hobby Airport (HOU) in April, aim to book 4–8 weeks before departure and target mid-week travel (Tuesday–Wednesday). Use fare alerts, flexible-date searches, and compare nonstop Southwest fares with connecting options through major carriers for price differences. Consider red-eye or late-evening flights to find additional savings. CTA: Sign up for fare alerts and compare STL to HOU April prices across multiple OTAs and carrier sites.