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San Salvador

$111+ Cheap flights from Louisville (SDF) to San Salvador (SAL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAL
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This Travelocity deal was found by Cheapflights users on 12/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:05 amSDF - SAL
1 stop10h 42mSpirit Airlines
jue. 1/84:02 pmSAL - SDF
2 stops19h 58mSpirit Airlines
Deal found 12/10$532
This American Airlines deal was found by Cheapflights users on 12/11. 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. 12/176:15 amSDF - SAL
2 stops17h 25mAmerican Airlines
lun. 12/291:37 pmSAL - SDF
1 stop9h 22mAmerican Airlines
Deal found 12/11$580
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:05 amSDF - SAL
1 stop10h 42mMultiple Airlines
jue. 1/84:02 pmSAL - SDF
1 stop25h 02mMultiple Airlines
Deal found 12/10$589
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/205:05 amSDF - SAL
1 stop9h 44mSpirit Airlines
sáb. 12/272:44 pmSAL - SDF
1 stop8h 15mSpirit Airlines
Deal found 12/11$732
This American Airlines deal was found by Cheapflights users on 12/11. 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. 12/207:24 pmSDF - SAL
2 stops18h 13mAmerican Airlines
sáb. 12/271:37 pmSAL - SDF
2 stops18h 13mAmerican Airlines
Deal found 12/11$736
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/195:05 amSDF - SAL
1 stop10h 42mSpirit Airlines
sáb. 1/1011:23 amSAL - SDF
2 stops48h 37mSpirit Airlines
Deal found 12/11$808

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$360
(KAYAK)

One-way from

$111
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$1,053
Provider with most accurate pricing for Louisville Intl-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-San Salvador El Salvador Intl flights.
Search Deals
From Louisville Intl to San Salvador El Salvador Intl
Search Deals
One-way flight from Louisville Intl to San Salvador El Salvador Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 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

mar. 1/13

3:36 pm-10:28 am

2 stops19h 52m

San Salvador El Salvador Intl

lun. 1/26

11:23 am-2:41 pm

2 stops26h 18m

$360

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

dom. 1/25

3:36 pm-10:28 am

2 stops19h 52m

San Salvador El Salvador Intl

dom. 2/1

4:02 pm-1:00 pm

2 stops19h 58m

$386

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

vie. 4/17

7:53 am-12:24 pm

1 stop6h 31m

San Salvador El Salvador Intl

mar. 4/28

2:30 pm-11:59 pm

1 stop7h 29m

$424

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

lun. 1/26

6:00 am-1:19 pm

1 stop8h 19m

San Salvador El Salvador Intl

jue. 1/29

6:55 am-9:59 pm

1 stop14h 04m

$424

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mié. 3/11

6:01 am-11:37 am

1 stop7h 36m

San Salvador El Salvador Intl

mié. 3/25

12:37 pm-11:59 pm

1 stop9h 22m

$424

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

jue. 2/19

6:00 am-3:24 pm

1 stop10h 24m

San Salvador El Salvador Intl

lun. 3/2

4:40 pm-8:14 pm

2 stops26h 34m

$428

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mar. 1/13

5:35 am-3:24 pm

2 stops10h 49m

San Salvador El Salvador Intl

lun. 1/26

6:55 am-1:24 pm

2 stops29h 29m

$428

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mié. 3/11

9:15 am-8:19 pm

1 stop13h 04m

San Salvador El Salvador Intl

mié. 3/25

3:40 pm-1:17 pm

2 stops19h 37m

$428

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mar. 12/30

2:55 pm-9:35 am

2 stops19h 40m

$173

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

mar. 12/30

5:05 am-2:47 pm

1 stop10h 42m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results
1
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-San Salvador flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-San Salvador flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 $293). Flying from Louisville to San Salvador in June is currently the most expensive (average of $472). 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 diciembre 12, 2025.

It’s typically best to fly out from Louisville to San Salvador in the evening. Doing so could potentially save you 50% 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 diciembre 12, 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
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, Spirit Airlines can have you in San Salvador from Louisville in 6h 31m. 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 48% 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 $293). Flying from Louisville to San Salvador in June is currently the most expensive (average of $472). 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
Acajutla
Sonsonate
El Cuco
La Libertad

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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
Lexington to San Salvador flights
Knoxville 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$293Average$633FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$399Average$619FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$470Average$578FlexibilityNo cancel feeOn-time69%

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