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San Salvador

$424+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$424
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$420
From Louisville Intl to San Salvador El Salvador Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Louisville to San Salvador

Cheapest flights from Louisville to San Salvador
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 septiembre 11, 2025.

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.
mié. 10/229:40 amSDF - SAL
1 stop12h 37mUnited Airlines
mié. 10/295:55 amSAL - SDF
1 stop14h 02mUnited Airlines
Deal found 9/8$424
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.
mié. 10/226:46 pmSDF - SAL
2 stops18h 54mAmerican Airlines
mié. 10/2912:41 pmSAL - SDF
2 stops18h 42mAmerican Airlines
Deal found 9/10$428
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.
vie. 9/193:35 pmSDF - SAL
1 stop6h 42mUnited Airlines
lun. 9/226:00 amSAL - SDF
2 stops26h 02mUnited Airlines
Deal found 9/9$445
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.
sáb. 9/2710:55 amSDF - SAL
2 stops11h 22mUnited Airlines
lun. 9/296:00 amSAL - SDF
1 stop13h 54mUnited Airlines
Deal found 9/9$456
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/116:00 amSDF - SAL
1 stop9h 06mAmerican Airlines
lun. 10/132:11 pmSAL - SDF
1 stop7h 42mAmerican Airlines
Deal found 9/9$458
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/142:55 pmSDF - SAL
2 stops47h 45mMultiple Airlines
jue. 9/181:45 pmSAL - SDF
1 stop17h 12mMultiple Airlines
Deal found 9/9$460
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2410:14 amSDF - SAL
3 stops32h 32mMultiple Airlines
mié. 10/86:40 amSAL - SDF
3 stops34h 35mMultiple Airlines
Deal found 9/9$470
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/124:20 pmSDF - SAL
2 stops26h 26mMultiple Airlines
lun. 9/156:52 amSAL - SDF
2 stops13h 12mMultiple Airlines
Deal found 9/9$491
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/278:23 amSDF - SAL
3 stops38h 29mMultiple Airlines
lun. 9/2910:21 pmSAL - SDF
3 stops32h 58mMultiple Airlines
Deal found 9/9$503

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 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Louisville to San Salvador that are best for you.

Fly from

Louisville

Fly to

San Salvador

Route

Depart

Return

Price

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mié. 10/22

6:00 am-11:40 am

1 stop7h 40m

San Salvador El Salvador Intl

mié. 10/29

12:41 pm-12:36 am

1 stop9h 55m

$424

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mié. 10/22

9:40 am-8:17 pm

1 stop12h 37m

San Salvador El Salvador Intl

mié. 10/29

5:55 am-9:57 pm

1 stop14h 02m

$424

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mié. 9/24

7:20 am-8:17 pm

2 stops14h 57m

San Salvador El Salvador Intl

mié. 10/8

6:00 am-10:01 am

2 stops26h 01m

$428

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

vie. 1/16

6:31 am-11:55 am

1 stop6h 24m

San Salvador El Salvador Intl

lun. 1/26

4:10 pm-12:17 am

1 stop7h 07m

$441

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

vie. 1/16

6:12 pm-1:19 pm

2 stops20h 07m

San Salvador El Salvador Intl

lun. 1/26

4:40 pm-1:28 pm

2 stops19h 48m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.
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

What is the cheapest month to book a flight from Louisville to San Salvador?

Currently, September is the cheapest month in which you can book a flight from Louisville to San Salvador (average of $260). Flying from Louisville to San Salvador in December is currently the most expensive (average of $588). 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 SDF to SAL?

Find hourly flight availability from Louisville to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

It’s typically best to fly out from Louisville to San Salvador at noon. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 septiembre 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How long is the flight from Louisville to San Salvador?

    For as low as $424, American Airlines can have you in San Salvador from Louisville in 7h 40m. The distance between Louisville and San Salvador is about 1720 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to San Salvador round-trip?

    According to our current data, Delta ($293), American Airlines ($399), and United Airlines ($470) offers the cheapest pricing from Louisville to San Salvador. Delta is currently priced 54% below the average price you’ll pay for this route.

  • Can I find deals for flights from Louisville to San Salvador that include hotel bookings?

    Yes. In addition to deals on Louisville to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to San Salvador?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to San Salvador.

  • Can I find deals for business class flights from Louisville to San Salvador?

    Yes. Cheapflights offers flight deals from Louisville to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to San Salvador?

    Currently, September is the cheapest month in which you can book a flight from Louisville to San Salvador (average of $260). Flying from Louisville to San Salvador in December is currently the most expensive (average of $588). 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.

See more FAQs

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate
El Cuco
La Libertad
Acajutla

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to San Salvador flights
Cincinnati to San Salvador flights
Knoxville to San Salvador flights
Lexington to San Salvador flights
Blountville to San Salvador flights

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 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$293Average$617FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$399Average$592FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$470Average$592FlexibilityNo cancel feeOn-time69%

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