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$419+ Cheap flights from Knoxville (TYS) 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Knoxville to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 June 12, 2025.

Round-trip from

$419
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$659
From Knoxville McGhee Tyson to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 21% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($52 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 Knoxville to San Salvador

Cheapest flights from Knoxville to San Salvador
Explore the most affordable flight options available from Knoxville to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 8/303:04 pmTYS - SAL
2 stops22h 32mAmerican Airlines
Tue 9/212:36 pmSAL - TYS
2 stops20h 17mAmerican Airlines
Deal found 6/10$419
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 8/307:20 amTYS - SAL
1 stop14h 57mUnited Airlines
Tue 9/23:30 pmSAL - TYS
1 stop24h 40mUnited Airlines
Deal found 6/10$424
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:41 pmTYS - SAL
2 stops27h 44mMultiple Airlines
Tue 9/29:27 amSAL - TYS
3 stops28h 14mMultiple Airlines
Deal found 6/10$524

Cheapflights Fare Finder

Customize your flight search to find flights from Knoxville 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 12, 2025.
Use the filters below to find and compare flights from Knoxville to San Salvador that are best for you.

Fly from

Knoxville

Fly to

San Salvador

Route

Depart

Return

Price

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

Sat 8/30

3:04 pm-11:36 am

2 stops22h 32m

San Salvador El Salvador Intl

Tue 9/2

12:36 pm-10:53 am

2 stops20h 17m

$419

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

Sat 8/30

7:20 am-8:17 pm

1 stop14h 57m

San Salvador El Salvador Intl

Tue 9/2

3:30 pm-6:10 pm

1 stop24h 40m

$424

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

Sat 8/30

4:41 pm-6:25 pm

2 stops27h 44m

San Salvador El Salvador Intl

Tue 9/2

9:27 am-3:41 pm

3 stops28h 14m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Knoxville to San Salvador

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

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

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

Find hourly flight availability from Knoxville 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 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to San Salvador as you normally would.

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 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

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
8,790 reviews

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

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 Knoxville 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 are the cheapest airlines flying from Knoxville to San Salvador round-trip?

    American Airlines, at $419, was found to be the cheapest airline from Knoxville to San Salvador. An alternate airline flying to your destination would be United Airlines. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville 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 Knoxville to San Salvador?

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

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

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Alternative routes for Knoxville to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Knoxville to San Salvador

Discover the top 3 airlines that operate flights from Knoxville 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$269Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$659FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$429Average$678FlexibilityNo cancel feeOn-time71%

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