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$89+ Cheap flights from Key Largo, FL 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SAL
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to San Salvador El Salvador Intl are usually found in January or February, booked 83 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Key Largo to San Salvador

Keep the following information in mind while searching for Key Largo to San Salvador flight deals. Data was last updated June 16, 2025.

Round-trip from

$199
(FlightHub)

One-way from

$90
(eDestinos)

Popular in

December

Cheapest in

January

Average price

$301
From Key Largo to San Salvador El Salvador Intl
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One-way flight from Key Largo to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Key Largo to San Salvador

Cheapest flights from Key Largo to San Salvador
Explore the most affordable flight options available from Key Largo to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Avianca deal was found by Cheapflights users on 6/16. 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.
Wed 10/83:10 pmMIA - SAL
Nonstop2h 45mAvianca
Wed 10/157:35 amSAL - MIA
Nonstop2h 40mAvianca
Deal found 6/16$183
This FlightHub deal was found by Cheapflights users on 6/15. 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 9/122:28 pmMIA - SAL
Nonstop5h 08mVolaris El Salvador
Fri 9/195:30 amSAL - MIA
Nonstop5h 27mVolaris El Salvador
Deal found 6/15$199
This Booking.com deal was found by Cheapflights users on 6/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:30 pmMIA - SAL
1 stop4h 35mMultiple Airlines
Sun 12/287:34 amSAL - MIA
Nonstop2h 38mMultiple Airlines
Deal found 6/16$203
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/164:53 pmMIA - SAL
1 stop9h 05mUnited Airlines
Fri 7/181:15 amSAL - MIA
1 stop17h 30mUnited Airlines
Deal found 6/14$300
This Copa Airlines deal was found by Cheapflights users on 6/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/152:16 pmMIA - SAL
1 stop11h 21mCopa Airlines
Sat 7/55:00 amSAL - MIA
1 stop15h 43mCopa Airlines
Deal found 6/15$303
This American Airlines deal was found by Cheapflights users on 6/14. 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 6/196:59 pmMIA - SAL
Nonstop2h 45mAmerican Airlines
Mon 6/236:00 amSAL - MIA
Nonstop2h 50mAmerican Airlines
Deal found 6/14$327

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo 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 June 16, 2025.
Use the filters below to find and compare flights from Key Largo to San Salvador that are best for you.

Fly from

Key Largo

Fly to

San Salvador

Route

Depart

Return

Price

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Fri 9/12

2:28 pm-5:36 pm

Nonstop5h 08m

San Salvador El Salvador Intl

Fri 9/19

5:30 am-12:57 pm

Nonstop5h 27m

$199

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Fri 9/12

3:10 pm-3:55 pm

Nonstop2h 45m

San Salvador El Salvador Intl

Wed 9/17

7:35 am-12:15 pm

Nonstop2h 40m

$201

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Fri 7/11

3:10 pm-3:55 pm

Nonstop2h 45m

San Salvador El Salvador Intl

Mon 7/21

5:30 am-12:57 pm

Nonstop5h 27m

$204

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Wed 7/16

4:53 pm-11:58 pm

1 stop9h 05m

San Salvador El Salvador Intl

Thu 7/17

1:15 am-8:45 pm

1 stop17h 30m

$300

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Thu 6/19

6:59 pm-7:44 pm

Nonstop2h 45m

San Salvador El Salvador Intl

Mon 6/23

6:00 am-10:50 am

Nonstop2h 50m

$327

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Wed 9/3

8:11 pm-8:52 pm

Nonstop2h 41m

$89

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Thu 8/7

7:25 pm-8:45 am

1 stop15h 20m

$90

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Thu 7/10

3:10 pm-3:55 pm

Nonstop2h 45m

$94

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Thu 6/19

6:59 pm-7:44 pm

Nonstop2h 45m

$141

MiamiSan Salvador

MIA - SAL

MIASAL

Miami

Wed 9/3

4:53 pm-12:17 am

2 stops33h 24m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 12 results
1
2

Best time to book a flight from Key Largo to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Key Largo 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 Key Largo to San Salvador

How far ahead should I book a flight from Key Largo to San Salvador?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to San Salvador. Price data was last updated on June 13, 2025.

To ensure you get the cheapest price possible for a flight from Key Largo to San Salvador, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Key Largo to San Salvador (average of $260). Flying from Key Largo 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 KE9 to SAL?

Find hourly flight availability from Key Largo 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 June 16, 2025.

When flying from Key Largo to San Salvador, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Key Largo to San Salvador?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to San Salvador. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Key Largo to San Salvador flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to San Salvador

Explore weekly flight availability from Key Largo to San Salvador. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 16, 2025.

The most flights from KE9 to SAL are scheduled on a Wednesday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in San Salvador by month

Plan your trip to San Salvador by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Salvador ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit San Salvador when rainfall is around 0.0 in.

Temperature in San Salvador by month

Plan your trip to San Salvador by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 June 16, 2025.
See what other customers who have flown with United Airlines, American Airlines and Avianca from Key Largo 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.
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,801 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Avianca
6.7
Okay
2,349 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Spirit Airlines
6.3
Okay
8,060 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Key Largo to San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Salvador from Key Largo?

    Located just 20.5 mi from the city center, San Salvador El Salvador Intl is the airport most travelers will use when flying to San Salvador from Key Largo. Booking flights from Key Largo to El Salvador Intl (SAL) should be relatively easy as there are 10 daily inbound flights from Key Largo from 6 different airlines.

  • How popular is this Key Largo to San Salvador flight route?

    The Key Largo to San Salvador El Salvador Intl flight path was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Key Largo to San Salvador one-way?

    $90 is the cheapest one-way deal found within the past few days, from Arajet. You may also be able to find cheap deals on Volaris El Salvador and Avianca, with prices starting from $92 and $94, respectively.

  • What are the most reliable airlines from Key Largo to San Salvador?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Key Largo to San Salvador on time: Air Canada (97%), Avianca (95%), United Airlines (95%).

  • What are the cheapest flights from Key Largo to San Salvador?

    Looking at all options, your cheapest flight can be booked for $73. While the most popular route (Miami - San Salvador El Salvador Intl) can be booked for $155 on average our data indicates $186 when flying from Key Largo to San Salvador.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo 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 Key Largo to San Salvador?

    Currently, September is the cheapest month in which you can book a flight from Key Largo to San Salvador (average of $260). Flying from Key Largo 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 Key Largo?

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

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Top 6 airlines flying from Key Largo to San Salvador

Discover the top 6 airlines that operate flights from Key Largo 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$106Average$318FlexibilityNo cancel feeOn-time65%
VolarisCheapest$132Average$309FlexibilityNo cancel feeOn-time79%
Volaris El SalvadorCheapest$142Average$192FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$173Average$251FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$227Average$328FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$281Average$393FlexibilityNo cancel feeOn-time71%

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