$232+ Cheap flights from St. Louis (STL) to El Salvador
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAL
Oct 30 — Nov 61
Round-trip
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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Best
Last-minute
One-way
Cheapest flights from St. Louis to El SalvadorExplore the most affordable flight options available from St. Louis to El Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from St. Louis to El Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:15 am -
1 stop15h 04m
Tue 12/14:40 pm -
1 stop17h 05m
Deal found 9/30![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:15 am -
1 stop9h 09m
Thu 12/311:54 pm -
1 stop16h 30m
Deal found 9/29![United Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am -
1 stop12h 49m
Tue 11/311:54 pm -
1 stop16h 23m
Deal found 9/29![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 am -
2 stops16h 19m
Thu 11/54:40 pm -
2 stops21h 54m
Deal found 9/29![United Airlines logo]()
$715
This American Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:15 pm -
1 stop19h 50m
Thu 12/32:57 pm -
1 stop22h 58m
Deal found 9/29![American Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
1 stop9h 15m
Wed 10/216:00 am -
1 stop13h 16m
Deal found 9/26![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:15 am -
1 stop7h 04m
Mon 12/77:00 am -
1 stop15h 30m
Deal found 9/30![United Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:27 am -
2 stops11h 22m
Tue 10/206:00 am -
2 stops14h 21m
Deal found 9/27![United Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:50 pm -
2 stops18h 29m
Mon 11/2311:54 pm -
2 stops15h 49m
Deal found 9/27![United Airlines logo]()
$780
Best flights from St. Louis to El SalvadorDiscover carefully curated flight deals from St. Louis to El Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from St. Louis to El Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:50 pm -
2 stops27h 57m
Tue 12/14:40 pm -
2 stops19h 42m
Deal found 9/26![United Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:15 am -
1 stop15h 04m
Thu 11/52:50 pm -
1 stop7h 36m
Deal found 9/29![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop16h 47m
Mon 11/307:00 am -
1 stop15h 25m
Deal found 9/30![United Airlines logo]()
$874
Last-minute flights from St. Louis to El SalvadorDiscover last-minute flight deals from St. Louis to El Salvador. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to El Salvador. Data last updated September 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
1 stop9h 15m
Wed 10/216:00 am -
1 stop13h 16m
Deal found 9/26![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:27 am -
2 stops11h 22m
Tue 10/206:00 am -
2 stops14h 21m
Deal found 9/27![United Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am -
1 stop12h 49m
Tue 11/311:54 pm -
1 stop16h 23m
Deal found 9/29![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 am -
2 stops16h 19m
Thu 11/54:40 pm -
2 stops21h 54m
Deal found 9/29![United Airlines logo]()
$715
This Mytrip deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:26 pm -
2 stops15h 09m
Thu 11/510:14 am -
3 stops25h 05m
Deal found 9/29![Multiple Airlines logo]()
$868
One-way flights from St. Louis to El SalvadorSearch for one-way flight options from St. Louis to El Salvador. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from St. Louis to El Salvador. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This FlightHub deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop18h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$232
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
2 stops23h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$323
This Mytrip deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
2 stops23h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop16h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:06 pm -
2 stops18h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:36 pm -
2 stops21h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:49 pm -
2 stops40h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:42 pm -
3 stops43h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$562
Find 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 September 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $659 (United Airlines) |
One-way from | $232 (FlightHub) |
Popular in | December |
Cheapest in | January |
Average price | $1,060 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to El Salvador that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 30, 2026.
Use the filters below to find and compare flights from St. Louis to El Salvador that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Fri 10/16
6:35 pm-12:16 pm
1 stop18h 41m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$232
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Wed 12/9
6:00 am-10:47 pm
1 stop16h 47m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$330
Quickest round-trip
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Mon 10/26
6:09 am-9:47 pm
1 stop16h 38m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$330
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Wed 12/9
7:06 pm-2:04 pm
2 stops18h 58m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$361
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Tue 11/24
6:50 pm-10:47 pm
2 stops27h 57m
San Salvador El Salvador Intl
Tue 12/1
4:40 pm-12:22 pm
2 stops19h 42m
$663
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Thu 10/29
6:15 am-8:19 pm
1 stop15h 04m
San Salvador El Salvador Intl
Thu 11/5
2:50 pm-10:26 pm
1 stop7h 36m
$711
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Mon 11/23
6:00 am-10:47 pm
1 stop16h 47m
San Salvador El Salvador Intl
Mon 11/30
7:00 am-10:25 pm
1 stop15h 25m
$874
Sorted by cheapest first
Best time to book a flight from St. Louis to El Salvador
Have a flexible travel schedule? Discover the best time to fly to El Salvador from St. Louis with our price prediction graph.
STL-SAL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to El Salvador
STL-SV0
STL-SAL
What is the cheapest month to book a flight from St. Louis to El Salvador?
Currently, January is the cheapest month in which you can book a flight from St. Louis to El Salvador (average of $423). Flying from St. Louis to El Salvador in December is currently the most expensive (average of $1,299). 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.
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 September 30, 2026.
Read through reviews of airlines operating flights from St. Louis to El Salvador, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
Complete your trip
Complete your trip to El Salvador by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to El Salvador, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and El Salvador flights
Browse other St. Louis and El Salvador flight options. Last updated on September 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to El Salvador
Discover the top 3 airlines 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 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$423 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$441 | Average$531 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$447 | Average$563 | FlexibilityNo cancel fee | On-time69% |