Cheap flights from St. Louis (STL) to El Salvador
STL — SAL
nov. 26 — dic. 31
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to El Salvador
Keep the following information in mind while searching for St. Louis to El Salvador flight deals. Data was last updated octubre 27, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | December |
Cheapest in | August |
Average price | $470 |
Cheapflights Insights
Everything you need to know about your flight from St. Louis to El Salvador
What is the cheapest month to book a flight from St. Louis to El Salvador?
Currently, August is the cheapest month in which you can book a flight from St. Louis to El Salvador (average of $366). Flying from St. Louis to El Salvador in December is currently the most expensive (average of $620). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to SV?
Find hourly flight availability from St. Louis to El Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 27, 2025.
A simple way to save on the total cost of your ticket is to fly from St. Louis to El Salvador at noon. If you’re flexible enough to do this you can expect to save up to 78% on your trip compared to booking a flight in the morning.
Reviews of airlines servicing El Salvador
Get insights into the airlines that provide service to El Salvador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to El Salvador. Reviews last updated octubre 27, 2025.
Read through reviews of airlines operating flights from St. Louis to El Salvador, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Food
6.6
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from St. Louis to El Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to El Salvador
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from St. Louis to El Salvador
Discover the top airline that operate flights from St. Louis to El Salvador. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 27, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$518 | FlexibilityNo cancel fee | On-time69% |