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San Salvador

$445+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$445
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$492
From Knoxville McGhee Tyson to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 19% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($55 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 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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/239:30 amTYS - SAL
1 stop6h 53mUnited Airlines
jue. 10/96:00 amSAL - TYS
1 stop10h 12mUnited Airlines
Deal found 9/11$445
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:30 amTYS - SAL
2 stops18h 05mMultiple Airlines
jue. 10/910:05 pmSAL - TYS
1 stop23h 11mMultiple Airlines
Deal found 9/11$485
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/274:31 pmTYS - SAL
1 stop22h 09mMultiple Airlines
sáb. 10/1110:25 pmSAL - TYS
2 stops34h 53mMultiple Airlines
Deal found 9/10$517
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/137:25 pmTYS - SAL
1 stop13h 05mMultiple Airlines
lun. 9/1510:05 pmSAL - TYS
1 stop10h 23mMultiple Airlines
Deal found 9/9$518
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.
sáb. 9/277:45 pmTYS - SAL
2 stops17h 50mAmerican Airlines
sáb. 10/112:30 pmSAL - TYS
2 stops18h 01mAmerican Airlines
Deal found 9/10$520
This American Airlines deal was found by Cheapflights users on 9/11. 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.
mar. 9/236:24 pmTYS - SAL
2 stops19h 11mAmerican Airlines
jue. 10/912:41 pmSAL - TYS
2 stops18h 51mAmerican Airlines
Deal found 9/11$534
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:56 pmTYS - SAL
1 stop24h 40mMultiple Airlines
jue. 1/156:20 amSAL - TYS
1 stop10h 33mMultiple Airlines
Deal found 9/9$620
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.
vie. 12/125:56 pmTYS - SAL
1 stop26h 44mMultiple Airlines
jue. 1/1511:15 amSAL - TYS
2 stops21h 55mMultiple Airlines
Deal found 9/9$623
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. 9/134:49 pmTYS - SAL
2 stops20h 46mAmerican Airlines
lun. 9/1512:35 pmSAL - TYS
2 stops23h 34mAmerican Airlines
Deal found 9/9$640

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 septiembre 11, 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

mar. 9/23

9:30 am-2:23 pm

1 stop6h 53m

San Salvador El Salvador Intl

jue. 10/9

6:00 am-6:12 pm

1 stop10h 12m

$445

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

mar. 9/23

7:30 am-11:35 pm

2 stops18h 05m

San Salvador El Salvador Intl

jue. 10/9

10:05 pm-11:16 pm

1 stop23h 11m

$485

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

sáb. 9/27

4:31 pm-12:40 pm

1 stop22h 09m

San Salvador El Salvador Intl

sáb. 10/11

10:25 pm-11:18 am

2 stops34h 53m

$517

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

sáb. 9/27

7:45 pm-11:35 am

2 stops17h 50m

San Salvador El Salvador Intl

sáb. 10/11

2:30 pm-10:31 am

2 stops18h 01m

$520

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

mar. 9/23

6:24 pm-11:35 am

2 stops19h 11m

San Salvador El Salvador Intl

jue. 10/9

12:41 pm-9:32 am

2 stops18h 51m

$534

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

lun. 12/15

5:56 pm-5:36 pm

1 stop24h 40m

San Salvador El Salvador Intl

jue. 1/15

6:20 am-5:53 pm

1 stop10h 33m

$620

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

vie. 12/12

5:56 pm-7:40 pm

1 stop26h 44m

San Salvador El Salvador Intl

jue. 1/15

11:15 am-10:10 am

2 stops21h 55m

$623

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

sáb. 9/27

9:30 am-12:06 pm

1 stop28h 36m

San Salvador El Salvador Intl

sáb. 10/11

6:00 am-11:43 pm

1 stop15h 43m

$787

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

vie. 12/12

6:00 am-9:49 pm

2 stops16h 49m

San Salvador El Salvador Intl

jue. 1/15

4:10 pm-3:41 pm

2 stops22h 31m

$790

KnoxvilleSan Salvador

TYS - SAL

TYSSAL

Knoxville McGhee Tyson

lun. 12/15

7:38 am-9:49 pm

2 stops15h 11m

San Salvador El Salvador Intl

jue. 1/15

4:10 pm-10:30 am

2 stops17h 20m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 septiembre 11, 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.

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 and American Airlines from Knoxville 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

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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 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.

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

    Airlines like United Airlines and American Airlines fly from Knoxville to San Salvador in about 6h 53m. The time it takes to get you to your destination can typically vary by up to 10h 57m. The distance from Knoxville to San Salvador is about 1576 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Delta, at $269, was found to be the cheapest airline from Knoxville to San Salvador. An alternate airline flying to your destination would be American Airlines. Users have found that Delta is 58% 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 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 Knoxville to San Salvador

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

Top 2 airlines flying from Knoxville to San Salvador

Discover the top 2 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$269Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$429Average$643FlexibilityNo cancel feeOn-time71%

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