$232+ Cheap flights from St. Louis (STL) to San Salvador (SAL)
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
Nov 1 — Nov 81
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to San Salvador with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 San Salvador
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Cheapest flights from St. Louis to San SalvadorExplore the most affordable flight options available from St. Louis to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
Explore the most affordable flight options available from St. Louis to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 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 11/156:50 pm -
2 stops18h 29m
Wed 12/22:05 am -
1 stop12h 11m
Deal found 9/29![United Airlines logo]()
$663
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/145:00 am -
1 stop7h 31m
Fri 3/121:37 pm -
1 stop8h 14m
Deal found 10/2![American Airlines logo]()
$671
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 10/296:15 am -
1 stop15h 04m
Thu 11/52:50 pm -
2 stops19h 42m
Deal found 9/29![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 10/1. 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 stops20h 34m
Sat 11/211:10 am -
2 stops14h 33m
Deal found 10/1![United Airlines logo]()
$717
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 9/30. 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 10/66:15 am -
1 stop9h 15m
Tue 10/201:50 pm -
1 stop7h 40m
Deal found 9/30![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
Best flights from St. Louis to San SalvadorDiscover carefully curated flight deals from St. Louis to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
Discover carefully curated flight deals from St. Louis to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
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.
Tue 11/246:50 pm -
2 stops27h 57m
Tue 12/17:00 am -
1 stop15h 30m
Deal found 9/28![United Airlines logo]()
$663
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/145:40 pm -
2 stops18h 51m
Fri 3/123:47 pm -
2 stops17h 32m
Deal found 10/2![American Airlines logo]()
$676
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 10/279:40 am -
2 stops11h 39m
Tue 11/37:00 am -
1 stop7h 13m
Deal found 9/29![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 10/1. 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 stops20h 34m
Sat 11/211:10 am -
2 stops14h 33m
Deal found 10/1![United Airlines logo]()
$717
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.
Wed 11/256:15 am -
1 stop7h 04m
Mon 12/77:00 am -
1 stop15h 30m
Deal found 9/29![United Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/206:15 am -
1 stop15h 34m
Tue 10/276:00 am -
1 stop7h 13m
Deal found 10/1![United Airlines logo]()
$751
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 San SalvadorDiscover last-minute flight deals from St. Louis to San Salvador. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Salvador. Data last updated October 2, 2026 and is based on user searches.
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 10/66:15 am -
1 stop9h 15m
Tue 10/201:50 pm -
1 stop7h 40m
Deal found 9/30![United Airlines logo]()
$725
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/145:00 am -
1 stop7h 31m
Fri 3/121:37 pm -
1 stop8h 14m
Deal found 10/2![American Airlines logo]()
$671
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 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 11/156:50 pm -
2 stops18h 29m
Wed 12/22:05 am -
1 stop12h 11m
Deal found 9/29![United Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 10/1. 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 stops20h 34m
Sat 11/211:10 am -
2 stops14h 33m
Deal found 10/1![United Airlines logo]()
$717
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 9/30. 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 9/30. 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
One-way flights from St. Louis to San SalvadorSearch for one-way flight options from St. Louis to San Salvador. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
Search for one-way flight options from St. Louis to San Salvador. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
This FlightHub deal was found by Cheapflights users on 10/2. 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 10/2![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 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 10/2. 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.
Mon 10/125:08 pm -
2 stops19h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 10/165:36 pm -
2 stops19h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$385
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 10/2. 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.
Fri 10/164:30 pm -
3 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 10/2. 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.
Mon 10/125:53 pm -
3 stops42h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$521
This Kiwi.com 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 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 9/30![Frontier logo]()
$545
Find flight deals from St. Louis to San Salvador
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San Salvador (SAL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 2, 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 | $470 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to San 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 October 2, 2026.
Use the filters below to find and compare flights from St. Louis to San 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
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
5:25 am-10:47 pm
2 stops17h 22m
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
Mon 10/12
5:08 pm-11:31 am
2 stops19h 23m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$384
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
7:00 am-10:30 pm
1 stop15h 30m
$663
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Wed 10/14
5:40 pm-11:31 am
2 stops18h 51m
San Salvador El Salvador Intl
Fri 3/12
3:47 pm-9:19 am
2 stops17h 32m
$676
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Tue 10/27
9:40 am-8:19 pm
2 stops11h 39m
San Salvador El Salvador Intl
Tue 11/3
7:00 am-2:13 pm
1 stop7h 13m
$711
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Sun 11/15
6:50 pm-3:24 pm
2 stops20h 34m
San Salvador El Salvador Intl
Sat 11/21
1:10 am-3:43 pm
2 stops14h 33m
$717
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Wed 11/25
6:15 am-1:19 pm
1 stop7h 04m
San Salvador El Salvador Intl
Mon 12/7
7:00 am-10:30 pm
1 stop15h 30m
$727
St. LouisSan Salvador
STL Lambert-St Louis - SAL San Salvador El Salvador Intl
STLSAL
Lambert-St Louis
Tue 10/20
6:15 am-8:49 pm
1 stop15h 34m
San Salvador El Salvador Intl
Tue 10/27
6:00 am-2:13 pm
1 stop7h 13m
$751
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from St. Louis to San Salvador
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to San Salvador in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-San Salvador flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-San Salvador flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-San Salvador flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-San Salvador flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-San Salvador flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San 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 San Salvador
Reviews of airlines servicing San Salvador
Get insights into the airlines that provide service to San 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 San Salvador. Reviews last updated October 2, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from St. Louis to San Salvador have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
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 San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Salvador?
Book flights to San Salvador if you plan to visit one of these locationsAcajutla
La Libertad
El Cuco
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Complete your trip
Complete your trip to San Salvador by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and San Salvador flights
Browse other St. Louis and San Salvador flight options. Last updated on October 2, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Salvador
Explore flights to San Salvador departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 2, 2026.
Top 3 airlines flying from St. Louis to San Salvador
Discover the top 3 airlines that operate flights from St. Louis to San 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 October 2, 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% |