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Cheap flights from Knoxville to San José from $223

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 4/5. 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
1 adult, Economy, 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
9:25 pm - 11:33 am
TYS
-
SJO
16h 08m
1 stop
Multiple Airlines Logo
12:38 pm - 12:25 pm
SJO
-
TYS
21h 47m
1 stop
$359Multiple Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
9:25 pm - 11:33 am
TYS
-
SJO
16h 08m
1 stop
Multiple Airlines Logo
12:38 pm - 5:30 pm
SJO
-
TYS
26h 52m
2 stops
$394Multiple Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
4:25 pm - 11:33 am
TYS
-
SJO
21h 08m
1 stop
Multiple Airlines Logo
5:05 am - 3:41 pm
SJO
-
TYS
32h 36m
2 stops
$400Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
1:15 pm - 8:30 am
TYS
-
SJO
45h 15m
3 stops
Multiple Airlines Logo
12:38 pm - 12:25 pm
SJO
-
TYS
21h 47m
1 stop
$487Multiple Airlines
Fri, May 1 - Thu, May 7
Multiple Airlines Logo
7:10 am - 8:45 am
TYS
-
SJO
27h 35m
2 stops
Multiple Airlines Logo
4:35 pm - 4:42 pm
SJO
-
TYS
22h 07m
2 stops
$517Multiple Airlines
Sat, Jun 13 - Thu, Jul 2
Multiple Airlines Logo
3:35 pm - 11:33 am
TYS
-
SJO
21h 58m
1 stop
Multiple Airlines Logo
12:38 pm - 12:25 pm
SJO
-
TYS
21h 47m
1 stop
$535Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
Multiple Airlines Logo
5:00 pm - 8:30 am
TYS
-
SJO
41h 30m
3 stops
Multiple Airlines Logo
1:00 pm - 4:15 pm
SJO
-
TYS
25h 15m
1 stop
$537Multiple Airlines
Tue, May 26 - Mon, Jun 1
Multiple Airlines Logo
7:10 am - 8:45 am
TYS
-
SJO
27h 35m
2 stops
Multiple Airlines Logo
9:35 am - 10:24 pm
SJO
-
TYS
10h 49m
1 stop
$538Multiple Airlines
Sat, Jun 13 - Thu, Jul 2
Multiple Airlines Logo
9:32 pm - 11:33 am
TYS
-
SJO
16h 01m
1 stop
Multiple Airlines Logo
8:46 am - 8:42 pm
SJO
-
TYS
9h 56m
2 stops
$559Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
Multiple Airlines Logo
12:49 pm - 11:40 pm
TYS
-
SJO
12h 51m
2 stops
Multiple Airlines Logo
4:35 pm - 4:53 pm
SJO
-
TYS
22h 18m
2 stops
$561Multiple Airlines
Fri, Jun 12 - Thu, Jun 18

Avianca flights from Knoxville to San José

Our best Avianca deals on Knoxville to San José flight tickets
Avianca
Aug 24
TYS5:45 amKnoxville McGhee Tyson
28h 45m
2 stops
SJO8:30 amSan José Juan Santamaria Intl
Aug 27
SJO12:40 pmSan José Juan Santamaria Intl
43h 56m
3 stops
TYS10:36 amKnoxville McGhee Tyson
$756
Avianca
Aug 22
TYS5:45 amKnoxville McGhee Tyson
32h 00m
3 stops
SJO11:45 amSan José Juan Santamaria Intl
Aug 26
SJO5:05 amSan José Juan Santamaria Intl
27h 31m
2 stops
TYS10:36 amKnoxville McGhee Tyson
$793
Avianca
Aug 24
TYS5:45 amKnoxville McGhee Tyson
32h 00m
3 stops
SJO11:45 amSan José Juan Santamaria Intl
Aug 27
SJO12:40 pmSan José Juan Santamaria Intl
43h 56m
3 stops
TYS10:36 amKnoxville McGhee Tyson
$811

United Airlines flights from Knoxville to San José

Our best United Airlines deals on Knoxville to San José flight tickets
United Airlines
May 5
TYS7:00 amKnoxville McGhee Tyson
14h 37m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
May 12
SJO1:25 pmSan José Juan Santamaria Intl
8h 19m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
$617
United Airlines
Aug 24
TYS6:30 amKnoxville McGhee Tyson
15h 07m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Aug 27
SJO1:25 pmSan José Juan Santamaria Intl
25h 34m
2 stops
TYS4:59 pmKnoxville McGhee Tyson
$731
United Airlines
Aug 24
TYS7:15 amKnoxville McGhee Tyson
14h 22m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Aug 27
SJO1:25 pmSan José Juan Santamaria Intl
30h 05m
1 stop
TYS9:30 pmKnoxville McGhee Tyson
$739

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 March 26, 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

Cheapest round-trip

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 4/30

9:25 pm-11:33 am

1 stop16h 08m

San José Juan Santamaria Intl

Thu 5/7

12:38 pm-12:25 pm

1 stop21h 47m

$359

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 4/30

9:25 pm-11:33 am

1 stop16h 08m

San José Juan Santamaria Intl

Thu 5/7

12:38 pm-5:30 pm

2 stops26h 52m

$394

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 4/22

4:25 pm-11:33 am

1 stop21h 08m

San José Juan Santamaria Intl

Wed 4/29

5:05 am-3:41 pm

2 stops32h 36m

$400

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 5/1

1:15 pm-8:30 am

3 stops45h 15m

San José Juan Santamaria Intl

Thu 5/7

12:38 pm-12:25 pm

1 stop21h 47m

$487

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sat 6/13

7:10 am-8:45 am

2 stops27h 35m

San José Juan Santamaria Intl

Thu 7/2

4:35 pm-4:42 pm

2 stops22h 07m

$517

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 4/23

3:35 pm-11:33 am

1 stop21h 58m

San José Juan Santamaria Intl

Sun 4/26

12:38 pm-12:25 pm

1 stop21h 47m

$535

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 5/26

5:00 pm-8:30 am

3 stops41h 30m

San José Juan Santamaria Intl

Mon 6/1

1:00 pm-4:15 pm

1 stop25h 15m

$537

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sat 6/13

7:10 am-8:45 am

2 stops27h 35m

San José Juan Santamaria Intl

Thu 7/2

9:35 am-10:24 pm

1 stop10h 49m

$538
Quickest round-trip

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 4/23

9:32 pm-11:33 am

1 stop16h 01m

San José Juan Santamaria Intl

Sun 4/26

8:46 am-8:42 pm

2 stops9h 56m

$559

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 6/12

12:49 pm-11:40 pm

2 stops12h 51m

San José Juan Santamaria Intl

Thu 6/18

4:35 pm-4:53 pm

2 stops22h 18m

$561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

8h 16m

Direct flights

None
The fastest flight from Knoxville to San José takes 8h 16m
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 8h 16m 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
American AirlinesPriceFrom $484Free CancellationRating
7.1
11,503 reviews
Search American Airlines flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
9,491 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
Santa Elena
Dominical
San Gerardo de Dota
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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