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Cheap flights from Knoxville to San José from $188

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to San José departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Knoxville to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 am - 11:27 amTYS-SJO
27h 57m2 stops
Multiple Airlines Logo
1:19 pm - 1:40 pmSJO-TYS
23h 21m1 stop
$354Multiple Airlines
Find Deal
lun., ene. 12 - jue., ene. 22
Multiple Airlines Logo
8:30 am - 11:27 amTYS-SJO
27h 57m2 stops
Multiple Airlines Logo
1:19 pm - 1:40 pmSJO-TYS
23h 21m1 stop
$371Multiple Airlines
Find Deal
lun., ene. 12 - jue., ene. 22
Multiple Airlines Logo
1:39 pm - 11:25 amTYS-SJO
22h 46m2 stops
Multiple Airlines Logo
1:16 am - 11:09 amSJO-TYS
8h 53m1 stop
$380Multiple Airlines
Find Deal
dom., ene. 18 - vie., ene. 23
Multiple Airlines Logo
1:39 pm - 11:25 amTYS-SJO
22h 46m2 stops
Multiple Airlines Logo
1:16 am - 11:09 amSJO-TYS
8h 53m1 stop
$386Multiple Airlines
Find Deal
dom., ene. 18 - vie., ene. 23
Multiple Airlines Logo
1:39 pm - 3:30 pmTYS-SJO
26h 51m2 stops
Multiple Airlines Logo
1:19 pm - 8:39 amSJO-TYS
18h 20m1 stop
$393Multiple Airlines
Find Deal
dom., ene. 18 - sáb., ene. 24
American Airlines Logo
6:58 am - 1:25 pmTYS-SJO
8h 27m1 stop
American Airlines Logo
12:01 am - 11:21 amSJO-TYS
9h 20m1 stop
$494American Airlines
Find Deal
mié., mar. 18 - mar., mar. 24
American Airlines Logo
10:32 am - 8:30 pmTYS-SJO
11h 58m2 stops
American Airlines Logo
12:01 am - 11:21 amSJO-TYS
9h 20m1 stop
$498American Airlines
Find Deal
mié., mar. 18 - mar., mar. 24
American Airlines Logo
4:22 pm - 10:59 pmTYS-SJO
7h 37m1 stop
American Airlines Logo
7:00 am - 11:57 pmSJO-TYS
15h 57m1 stop
$512American Airlines
Find Deal
jue., dic. 4 - mié., dic. 17
American Airlines Logo
4:22 pm - 10:59 pmTYS-SJO
7h 37m1 stop
American Airlines Logo
7:00 am - 9:36 pmSJO-TYS
13h 36m2 stops
$516American Airlines
Find Deal
jue., dic. 4 - mié., dic. 17
Delta Logo
10:05 am - 9:15 pmTYS-SJO
13h 10m1 stop
Delta Logo
7:00 am - 11:44 pmSJO-TYS
14h 44m1 stop
$520Delta
Find Deal
mié., mar. 18 - mié., mar. 25

American Airlines flights from Knoxville to San José

Our best American Airlines deals on Knoxville to San José flight tickets
American Airlines
Mar 18
TYS6:58 amKnoxville McGhee Tyson
8h 27m
1 stop
SJO1:25 pmSan José Juan Santamaria Intl
Mar 24
SJO12:01 amSan José Juan Santamaria Intl
9h 20m
1 stop
TYS11:21 amKnoxville McGhee Tyson
$494
Find similar
American Airlines
Mar 18
TYS10:32 amKnoxville McGhee Tyson
11h 58m
2 stops
SJO8:30 pmSan José Juan Santamaria Intl
Mar 24
SJO12:01 amSan José Juan Santamaria Intl
9h 20m
1 stop
TYS11:21 amKnoxville McGhee Tyson
$498
Find similar
American Airlines
Dec 4
TYS4:22 pmKnoxville McGhee Tyson
7h 37m
1 stop
SJO10:59 pmSan José Juan Santamaria Intl
Dec 17
SJO7:00 amSan José Juan Santamaria Intl
15h 57m
1 stop
TYS11:57 pmKnoxville McGhee Tyson
$512
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to San José 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, momondo users made 832,500 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Knoxville to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

lun. 1/12

8:30 am-11:27 am

2 stops27h 57m

San José Juan Santamaria Intl

jue. 1/22

1:19 pm-1:40 pm

1 stop23h 21m

$354

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

lun. 1/12

8:30 am-11:27 am

2 stops27h 57m

San José Juan Santamaria Intl

jue. 1/22

1:19 pm-1:40 pm

1 stop23h 21m

$371

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

dom. 1/18

1:39 pm-11:25 am

2 stops22h 46m

San José Juan Santamaria Intl

vie. 1/23

1:16 am-11:09 am

1 stop8h 53m

$380

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

dom. 1/18

1:39 pm-11:25 am

2 stops22h 46m

San José Juan Santamaria Intl

vie. 1/23

1:16 am-11:09 am

1 stop8h 53m

$386

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

dom. 1/18

1:39 pm-3:30 pm

2 stops26h 51m

San José Juan Santamaria Intl

sáb. 1/24

1:19 pm-8:39 am

1 stop18h 20m

$393

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

mié. 3/18

6:58 am-1:25 pm

1 stop8h 27m

San José Juan Santamaria Intl

mar. 3/24

12:01 am-11:21 am

1 stop9h 20m

$494

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

mié. 3/18

10:32 am-8:30 pm

2 stops11h 58m

San José Juan Santamaria Intl

mar. 3/24

12:01 am-11:21 am

1 stop9h 20m

$498

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

jue. 12/4

4:22 pm-10:59 pm

1 stop7h 37m

San José Juan Santamaria Intl

mié. 12/17

7:00 am-11:57 pm

1 stop15h 57m

$512

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

jue. 12/4

4:22 pm-10:59 pm

1 stop7h 37m

San José Juan Santamaria Intl

mié. 12/17

7:00 am-9:36 pm

2 stops13h 36m

$516

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

mié. 3/18

10:05 am-9:15 pm

1 stop13h 10m

San José Juan Santamaria Intl

mié. 3/25

7:00 am-11:44 pm

1 stop14h 44m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Knoxville to San José

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Knoxville and San José?

What is the cheapest month to fly to San José?

In general, August is the cheapest month to fly from Knoxville to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $511. If you don’t want to visit San José in August, then you should wait until March to fly from Knoxville, when ticket prices are also cheap, with an average price of $606.

What is the cheapest day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Knoxville is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $565. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Knoxville to San José on a Friday will generally be more expensive and average around $766. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest Knoxville to San José flights are usually those with departure times in the evening. Our users have found flights to San José in the evening for as low as $436. Flights in the morning are often more expensive with an average ticket price of $675.

When to book flights from Knoxville to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to San José (TYS to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to San José

Direct flights

None
There are no direct flights from Knoxville to San José. There are no popular flight routes from Knoxville to San José.
Search flight deals

  • How far is Knoxville McGhee Tyson to San José Juan Santamaria Intl by plane?

    San José Juan Santamaria Intl is 1797.1 mi away from Knoxville McGhee Tyson. Typically, this will take 7h 37m by plane in normal conditions.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to San José Juan Santamaria Intl Airport are updated daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The required travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to San José?

Best airlines flying from Knoxville to San José

Compare and see reviews for airlines that fly from Knoxville to San José with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $463Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $491Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to San José?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to San José. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Knoxville to San José with flexible booking policies on momondo?

Yes. All flights to San José from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Knoxville to San José?

Once all potential Knoxville to San José flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Knoxville to San José right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Knoxville to San José flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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