$367+ Cheap flights from Louisville (SDF) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAL
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Louisville 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 Louisville to San Salvador
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to San SalvadorExplore the most affordable flight options available from Louisville to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Louisville to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 12/19:55 am -
1 stop12h 50m
Wed 12/911:54 pm -
1 stop12h 08m
Deal found 9/7![United Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 9/8. 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 12/67:00 am -
3 stops18h 55m
Wed 12/92:05 am -
2 stops15h 07m
Deal found 9/8![United Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/296:00 am -
1 stop8h 37m
Thu 11/123:05 pm -
1 stop7h 54m
Deal found 9/6![American Airlines logo]()
$642
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/47:00 am -
3 stops16h 47m
Sun 12/207:00 am -
1 stop13h 58m
Deal found 9/10![United Airlines logo]()
$659
This Avianca deal was found by Cheapflights users on 9/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
1 stop18h 34m
Sun 9/278:25 pm -
1 stop11h 53m
Deal found 9/6![Multiple Airlines logo]()
$715
This Avianca deal was found by Cheapflights users on 9/7. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
1 stop18h 34m
Mon 9/285:40 pm -
2 stops14h 38m
Deal found 9/7![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/7. 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 12/46:50 am -
1 stop15h 29m
Mon 12/217:00 am -
1 stop13h 58m
Deal found 9/7![United Airlines logo]()
$719
Best flights from Louisville to San SalvadorDiscover carefully curated flight deals from Louisville to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Louisville to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/178:55 am -
2 stops29h 24m
Mon 2/87:00 am -
1 stop13h 30m
Deal found 9/9![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 9/7. 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 12/19:55 am -
1 stop12h 50m
Tue 12/81:10 am -
2 stops16h 02m
Deal found 9/7![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/295:10 am -
2 stops17h 09m
Thu 11/127:00 am -
1 stop12h 33m
Deal found 9/6![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 9/8. 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 12/66:50 am -
1 stop15h 29m
Wed 12/91:10 am -
1 stop12h 27m
Deal found 9/8![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/47:00 am -
3 stops16h 47m
Sun 12/207:00 am -
2 stops14h 39m
Deal found 9/10![United Airlines logo]()
$659
Last-minute flights from Louisville to San SalvadorDiscover last-minute flight deals from Louisville to San Salvador. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San Salvador. Data last updated September 11, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 9/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
1 stop18h 34m
Sun 9/278:25 pm -
1 stop11h 53m
Deal found 9/6![Multiple Airlines logo]()
$715
This Avianca deal was found by Cheapflights users on 9/7. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm -
1 stop18h 34m
Mon 9/285:40 pm -
2 stops14h 38m
Deal found 9/7![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/2210:23 am -
2 stops12h 26m
Sun 9/276:00 am -
1 stop14h 10m
Deal found 9/6![United Airlines logo]()
$744
This BusinessClass deal was found by Cheapflights users on 9/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:27 pm -
2 stops17h 57m
Sun 10/412:24 pm -
2 stops20h 34m
Deal found 9/6![GOL logo]()
$747
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/35:59 pm -
2 stops19h 25m
Fri 10/91:43 pm -
1 stop7h 44m
Deal found 9/10![American Airlines logo]()
$737
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/295:10 am -
2 stops17h 09m
Thu 11/127:00 am -
2 stops12h 52m
Deal found 9/6![United Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/296:00 am -
1 stop8h 37m
Thu 11/123:05 pm -
1 stop7h 54m
Deal found 9/6![American Airlines logo]()
$642
One-way flights from Louisville to San SalvadorSearch for one-way flight options from Louisville to San Salvador. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Louisville to San Salvador. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Faresmojo deal was found by Cheapflights users on 9/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 am -
1 stop8h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![JetBlue logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/8. 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 12/155:57 pm -
2 stops20h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$669
Find flight deals from Louisville to San Salvador
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $585 (United Airlines) |
One-way from | $367 (Faresmojo) |
Popular in | December |
Cheapest in | January |
Average price | $720 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville 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 September 11, 2026.
Use the filters below to find and compare flights from Louisville to San Salvador that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSan Salvador
SDF Louisville Intl - SAL San Salvador El Salvador Intl
SDFSAL
Louisville Intl
Sun 1/17
8:55 am-1:19 pm
2 stops29h 24m
San Salvador El Salvador Intl
Mon 2/8
7:00 am-9:30 pm
1 stop13h 30m
$589
LouisvilleSan Salvador
SDF Louisville Intl - SAL San Salvador El Salvador Intl
SDFSAL
Louisville Intl
Tue 12/1
9:55 am-9:45 pm
1 stop12h 50m
San Salvador El Salvador Intl
Tue 12/8
1:10 am-6:12 pm
2 stops16h 02m
$589
LouisvilleSan Salvador
SDF Louisville Intl - SAL San Salvador El Salvador Intl
SDFSAL
Louisville Intl
Thu 10/29
5:10 am-8:19 pm
2 stops17h 09m
San Salvador El Salvador Intl
Thu 11/12
7:00 am-8:33 pm
1 stop12h 33m
$589
LouisvilleSan Salvador
SDF Louisville Intl - SAL San Salvador El Salvador Intl
SDFSAL
Louisville Intl
Sun 12/6
6:50 am-9:19 pm
1 stop15h 29m
San Salvador El Salvador Intl
Wed 12/9
1:10 am-2:37 pm
1 stop12h 27m
$651
LouisvilleSan Salvador
SDF Louisville Intl - SAL San Salvador El Salvador Intl
SDFSAL
Louisville Intl
Fri 12/4
7:00 am-10:47 pm
3 stops16h 47m
San Salvador El Salvador Intl
Sun 12/20
7:00 am-10:39 pm
2 stops14h 39m
$659
Quickest round-trip
LouisvilleSan Salvador
SDF Louisville Intl - SAL San Salvador El Salvador Intl
SDFSAL
Louisville Intl
Tue 12/15
7:00 am-9:45 pm
3 stops15h 45m
San Salvador El Salvador Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$669
Sorted by cheapest first
Compare providers for flights from Louisville 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 Louisville to San Salvador in September.
| 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 | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-San Salvador flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-San Salvador flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-San Salvador flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-San Salvador flights, Cheapflights users trust FlightHub the most. FlightHub 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 Louisville-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 Louisville to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San Salvador from Louisville with our price prediction graph.
SDF-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 Louisville 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 September 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Louisville to San Salvador. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Louisville 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
Sonsonate
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.
Search flights from Louisville to San Salvador by cabin class
Find flights from Louisville to San Salvador, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and San Salvador flights
Browse other Louisville and San Salvador flight options. Last updated on September 11, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 11, 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 September 11, 2026.
Top 3 airlines flying from Louisville to San Salvador
Discover the top 3 airlines that operate flights from Louisville 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$423 | Average$590 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$514 | Average$655 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$528 | Average$670 | FlexibilityNo cancel fee | On-timeN/A |