HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Salvador

$268+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAL
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 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 April 29, 2026.

This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am
SDF
-
SAL
1 stop7h 20m
American Airlines
Wed 12/96:00 am
SAL
-
SDF
1 stop16h 54m
American Airlines
Deal found 4/28$551
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:08 pm
SDF
-
SAL
2 stops17h 14m
American Airlines
Tue 6/3012:23 pm
SAL
-
SDF
2 stops19h 18m
American Airlines
Deal found 4/27$557
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/135:36 am
SDF
-
SAL
2 stops10h 54m
United Airlines
Tue 5/261:15 am
SAL
-
SDF
2 stops10h 20m
United Airlines
Deal found 4/24$559
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 6/176:30 am
SDF
-
SAL
1 stop17h 05m
United Airlines
Thu 7/93:40 pm
SAL
-
SDF
1 stop28h 35m
United Airlines
Deal found 4/27$563
This United Airlines deal was found by Cheapflights users on 4/24. 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 6/163:41 pm
SDF
-
SAL
1 stop7h 08m
United Airlines
Sat 7/41:15 am
SAL
-
SDF
1 stop8h 39m
United Airlines
Deal found 4/24$570
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/166:30 am
SDF
-
SAL
1 stop17h 05m
United Airlines
Fri 7/103:40 pm
SAL
-
SDF
2 stops15h 25m
United Airlines
Deal found 4/27$574
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 6/98:05 pm
SDF
-
SAL
2 stops17h 17m
American Airlines
Tue 6/167:00 am
SAL
-
SDF
1 stop14h 46m
American Airlines
Deal found 4/25$576
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:49 pm
SDF
-
SAL
1 stop18h 50m
American Airlines
Fri 9/251:20 pm
SAL
-
SDF
1 stop8h 38m
American Airlines
Deal found 4/27$581
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
SDF
-
SAL
1 stop15h 38m
American Airlines
Wed 8/1212:20 pm
SAL
-
SDF
1 stop8h 17m
American Airlines
Deal found 4/28$589
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/265:00 am
SDF
-
SAL
2 stops15h 42m
American Airlines
Tue 6/21:43 pm
SAL
-
SDF
2 stops20h 07m
American Airlines
Deal found 4/26$590

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$551
(United Airlines)

One-way from

$268
(KAYAK)

Popular in

December

Cheapest in

September

Average price

$491
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 ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 29, 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

Price

Cheapest round-trip

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Mon 7/27

8:19 pm-11:22 am

2 stops17h 03m

San Salvador El Salvador Intl

Wed 8/12

12:20 pm-12:07 pm

2 stops21h 47m

$555

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Wed 5/13

6:00 am-8:49 pm

1 stop16h 49m

San Salvador El Salvador Intl

Wed 5/20

6:00 am-9:59 pm

1 stop13h 59m

$555

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Tue 5/26

6:00 am-11:29 am

1 stop7h 29m

San Salvador El Salvador Intl

Mon 6/1

1:15 am-8:01 pm

1 stop16h 46m

$555

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Wed 5/13

10:06 am-8:49 pm

2 stops12h 43m

San Salvador El Salvador Intl

Tue 5/26

1:15 am-11:54 am

1 stop8h 39m

$555
Quickest round-trip

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Tue 6/16

3:41 pm-8:49 pm

1 stop7h 08m

San Salvador El Salvador Intl

Sat 7/4

1:15 am-11:54 am

1 stop8h 39m

$570

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Sat 9/19

8:04 pm-11:00 am

2 stops16h 56m

San Salvador El Salvador Intl

Sat 9/26

1:20 pm-9:01 am

2 stops17h 41m

$593

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Thu 6/11

6:15 am-8:49 pm

1 stop16h 34m

San Salvador El Salvador Intl

Thu 6/18

1:50 pm-9:02 am

2 stops17h 12m

$625

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Mon 5/11

7:48 pm-2:30 pm

2 stops20h 42m

San Salvador El Salvador Intl

Sun 5/17

6:00 am-9:59 pm

1 stop13h 59m

$627

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Tue 6/9

6:00 am-11:29 am

1 stop7h 29m

San Salvador El Salvador Intl

Tue 6/16

1:20 pm-10:23 am

1 stop19h 03m

$629

LouisvilleSan Salvador

SDF - SAL

SDFSAL

Louisville Intl

Thu 6/18

6:15 am-8:49 pm

1 stop16h 34m

San Salvador El Salvador Intl

Fri 7/3

1:15 am-11:54 am

1 stop8h 39m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust 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 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.
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 December is currently the most expensive (average of $1,131). 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.

How much does it cost to fly round-trip 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 April 29, 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.
Delta
7.9
Good
8,466 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
8,466 reviews
Delta
7.9
Good
8,466 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
9,680 reviews
Delta
7.9
Good
8,466 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
7.1
Good
11,678 reviews
Delta
7.9
Good
8,466 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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 $555, American Airlines can have you in San Salvador from Louisville in 12h 43m. 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 ($403) offers the cheapest pricing from Louisville to San Salvador. Delta is currently priced 47% 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 December is currently the most expensive (average of $1,131). 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
La Libertad
El Cuco
Sonsonate

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$293Average$610FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$399Average$629FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$403Average$598FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.