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Cheap flights from Knoxville to San José from $191

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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
1:15 pm - 11:22 am
TYS
-
SJO
24h 07m
2 stops
Multiple Airlines Logo
12:31 pm - 10:07 am
SJO
-
TYS
19h 36m
1 stop
$440Multiple Airlines
Fri, May 15 - Fri, May 22
Multiple Airlines Logo
9:36 pm - 11:22 am
TYS
-
SJO
15h 46m
1 stop
Multiple Airlines Logo
12:19 pm - 2:10 pm
SJO
-
TYS
23h 51m
1 stop
$441Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
3:00 pm - 11:14 am
TYS
-
SJO
22h 14m
1 stop
Multiple Airlines Logo
12:19 pm - 8:10 am
SJO
-
TYS
17h 51m
1 stop
$455Multiple Airlines
Tue, Mar 31 - Sun, Apr 5
Multiple Airlines Logo
3:50 pm - 11:40 am
TYS
-
SJO
20h 50m
2 stops
Multiple Airlines Logo
12:35 pm - 6:31 pm
SJO
-
TYS
28h 56m
1 stop
$464Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
9:36 pm - 10:40 am
TYS
-
SJO
15h 04m
2 stops
Multiple Airlines Logo
12:19 pm - 2:10 pm
SJO
-
TYS
23h 51m
1 stop
$465Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
3:00 pm - 10:42 am
TYS
-
SJO
21h 42m
2 stops
Multiple Airlines Logo
12:19 pm - 8:10 am
SJO
-
TYS
17h 51m
1 stop
$484Multiple Airlines
Tue, Mar 31 - Sun, Apr 5
Multiple Airlines Logo
9:36 pm - 11:22 am
TYS
-
SJO
15h 46m
1 stop
Multiple Airlines Logo
12:19 pm - 8:40 am
SJO
-
TYS
18h 21m
1 stop
$517Multiple Airlines
Mon, Mar 9 - Fri, Mar 13
American Airlines Logo
3:58 pm - 11:25 am
TYS
-
SJO
21h 27m
1 stop
American Airlines Logo
6:30 am - 11:59 pm
SJO
-
TYS
15h 29m
1 stop
$533American Airlines
Sat, Apr 18 - Wed, Apr 29
Multiple Airlines Logo
3:50 pm - 12:22 pm
TYS
-
SJO
21h 32m
1 stop
Multiple Airlines Logo
12:35 pm - 6:31 pm
SJO
-
TYS
28h 56m
1 stop
$538Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
9:36 pm - 10:40 am
TYS
-
SJO
15h 04m
2 stops
Multiple Airlines Logo
12:19 pm - 8:40 am
SJO
-
TYS
18h 21m
1 stop
$541Multiple Airlines
Mon, Mar 9 - Fri, Mar 13

United Airlines flights from Knoxville to San José

Our best United Airlines deals on Knoxville to San José flight tickets
United Airlines
Feb 23
TYS4:55 pmKnoxville McGhee Tyson
28h 44m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Feb 26
SJO2:05 pmSan José Juan Santamaria Intl
19h 07m
1 stop
TYS10:12 amKnoxville McGhee Tyson
$673
United Airlines
Feb 9
TYS6:59 amKnoxville McGhee Tyson
14h 40m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Feb 11
SJO6:30 amSan José Juan Santamaria Intl
10h 35m
1 stop
TYS6:05 pmKnoxville McGhee Tyson
$701
United Airlines
Feb 23
TYS4:55 pmKnoxville McGhee Tyson
28h 44m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Feb 26
SJO12:35 pmSan José Juan Santamaria Intl
10h 09m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
$736

American Airlines flights from Knoxville to San José

Our best American Airlines deals on Knoxville to San José flight tickets
American Airlines
Apr 18
TYS3:58 pmKnoxville McGhee Tyson
21h 27m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
Apr 29
SJO6:30 amSan José Juan Santamaria Intl
15h 29m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$533
American Airlines
Jul 27
TYS6:00 amKnoxville McGhee Tyson
7h 59m
1 stop
SJO11:59 amSan José Juan Santamaria Intl
Aug 10
SJO7:25 amSan José Juan Santamaria Intl
14h 28m
1 stop
TYS11:53 pmKnoxville McGhee Tyson
$544
American Airlines
Feb 19
TYS9:13 amKnoxville McGhee Tyson
11h 59m
2 stops
SJO8:12 pmSan José Juan Santamaria Intl
Feb 23
SJO2:55 pmSan José Juan Santamaria Intl
8h 33m
1 stop
TYS12:28 amKnoxville McGhee Tyson
$556

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 February 8, 2026.
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

Fri 5/15

1:15 pm-11:22 am

2 stops24h 07m

San José Juan Santamaria Intl

Fri 5/22

12:31 pm-10:07 am

1 stop19h 36m

$440

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 3/9

9:36 pm-11:22 am

1 stop15h 46m

San José Juan Santamaria Intl

Mon 3/16

12:19 pm-2:10 pm

1 stop23h 51m

$441

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 3/31

3:00 pm-11:14 am

1 stop22h 14m

San José Juan Santamaria Intl

Sun 4/5

12:19 pm-8:10 am

1 stop17h 51m

$455

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 2/25

3:50 pm-11:40 am

2 stops20h 50m

San José Juan Santamaria Intl

Sun 3/1

12:35 pm-6:31 pm

1 stop28h 56m

$464

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 3/9

9:36 pm-10:40 am

2 stops15h 04m

San José Juan Santamaria Intl

Mon 3/16

12:19 pm-2:10 pm

1 stop23h 51m

$465

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 3/31

3:00 pm-10:42 am

2 stops21h 42m

San José Juan Santamaria Intl

Sun 4/5

12:19 pm-8:10 am

1 stop17h 51m

$484

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 3/9

9:36 pm-11:22 am

1 stop15h 46m

San José Juan Santamaria Intl

Fri 3/13

12:19 pm-8:40 am

1 stop18h 21m

$517

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sat 4/18

3:58 pm-11:25 am

1 stop21h 27m

San José Juan Santamaria Intl

Wed 4/29

6:30 am-11:59 pm

1 stop15h 29m

$533

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 2/25

3:50 pm-12:22 pm

1 stop21h 32m

San José Juan Santamaria Intl

Sun 3/1

12:35 pm-6:31 pm

1 stop28h 56m

$538

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 3/9

9:36 pm-10:40 am

2 stops15h 04m

San José Juan Santamaria Intl

Fri 3/13

12:19 pm-8:40 am

1 stop18h 21m

$541

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to San José from

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 November to fly from Knoxville, when ticket prices are also cheap, with an average price of $530.

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

Fastest flight time

6h 02m

Direct flights

None
The fastest flight from Knoxville to San José takes 6h 02m
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 6h 02m 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 $324Free CancellationRating
7.9
8,173 reviews
Search Delta flights
American AirlinesPriceFrom $484Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
9,257 reviews
Search United 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
Monteverde
Alajuela
Heredia
Dominical
San Gerardo de Dota
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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