$254 Cheap Flights from Knoxville (TYS) to San José (SJO)

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Find available prices by choosing your travel dates.

Cheap Flights from Knoxville to San José (TYS-SJO)

Prices were available within the past 7 days and start at $254 for one-way flights and $451 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
American Airlines
Delta
American Airlines
American Airlines
American Airlines
United
Copa
avianca
Flights from Knoxville (TYS) to San José (SJO)
Origin airport
McGhee Tyson
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, United
Roundtrip price
$450
Distance
1783 mi

Knoxville to San José Flights

The cheapest times to fly from Knoxville to San José

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knoxville to San José are during the month of May. You can find some of the cheapest flights from Knoxville to San José with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Knoxville to San José

Sunday is one of the best days to book for cheap flights from Knoxville to San José: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Knoxville to San José

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knoxville to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $254 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knoxville to San José flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knoxville to San José airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO) cost?
Discover the latest flight deals from TYS to SJO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TYS to SJO?
The cheapest flights from TYS to SJO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TYS to SJO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from TYS to SJO. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO)?
You’ll need to take a flight with a layover if you’re traveling from McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from TYS to SJO?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO)?
To avoid potential delays on the McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO) last-minute?
Waiting until just before your departure to book your flight from TYS to SJO generally means paying more. While you may come across some last-minute deals, they’re not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a TYS to SJO flight and hotel package?
Opting for a TYS to SJO flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to Juan Santamaria Intl. Airport (SJO)?
In most instances, you’re able to reschedule or cancel your TYS to SJO flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline’s fees and rules on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.