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Cheap flights from Knoxville to San José from $348

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 7/28. 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

Discover deals from 900+ travel sites with momondo.

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
7:20 pm - 3:11 pm
TYS
-
SJO
21h 51m
1 stop
Multiple Airlines Logo
8:55 am - 8:05 am
SJO
-
TYS
21h 10m
2 stops
$515Multiple Airlines
Mon, Aug 3 - Sat, Oct 3
Multiple Airlines Logo
7:20 pm - 3:11 pm
TYS
-
SJO
21h 51m
1 stop
Multiple Airlines Logo
7:07 am - 4:43 pm
SJO
-
TYS
7h 36m
1 stop
$532Multiple Airlines
Mon, Aug 3 - Mon, Sep 28
Multiple Airlines Logo
7:20 pm - 8:30 am
TYS
-
SJO
15h 10m
1 stop
Multiple Airlines Logo
8:55 am - 8:05 am
SJO
-
TYS
21h 10m
2 stops
$543Multiple Airlines
Fri, Jul 31 - Sat, Oct 3
Multiple Airlines Logo
7:20 pm - 8:30 am
TYS
-
SJO
15h 10m
1 stop
Multiple Airlines Logo
7:07 am - 2:42 pm
SJO
-
TYS
29h 35m
1 stop
$557Multiple Airlines
Fri, Jul 31 - Tue, Sep 29
Multiple Airlines Logo
7:20 pm - 8:30 am
TYS
-
SJO
15h 10m
1 stop
Multiple Airlines Logo
7:07 am - 4:43 pm
SJO
-
TYS
7h 36m
1 stop
$561Multiple Airlines
Fri, Jul 31 - Mon, Sep 28
Multiple Airlines Logo
7:20 pm - 8:30 am
TYS
-
SJO
15h 10m
1 stop
Multiple Airlines Logo
7:07 am - 11:59 am
SJO
-
TYS
26h 52m
1 stop
$593Multiple Airlines
Fri, Jul 31 - Thu, Oct 1
Multiple Airlines Logo
7:00 am - 3:18 pm
TYS
-
SJO
9h 18m
1 stop
Multiple Airlines Logo
7:00 am - 7:59 pm
SJO
-
TYS
11h 59m
1 stop
$604Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
7:15 am - 11:55 pm
TYS
-
SJO
18h 40m
2 stops
Multiple Airlines Logo
7:07 am - 4:43 pm
SJO
-
TYS
7h 36m
1 stop
$607Multiple Airlines
Sun, Aug 2 - Mon, Sep 28
Multiple Airlines Logo
4:55 pm - 3:18 pm
TYS
-
SJO
23h 23m
1 stop
Multiple Airlines Logo
7:00 am - 12:48 pm
SJO
-
TYS
28h 48m
1 stop
$622Multiple Airlines
Sat, Nov 7 - Sun, Nov 15
American Airlines Logo
6:00 am - 2:00 pm
TYS
-
SJO
10h 00m
1 stop
American Airlines Logo
1:00 pm - 11:22 pm
SJO
-
TYS
8h 22m
1 stop
$633American Airlines
Mon, Oct 5 - Mon, Oct 12

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American Airlines flights from Knoxville to San José

Our best American Airlines deals on Knoxville to San José flight tickets
American Airlines
Oct 5
TYS6:00 amKnoxville McGhee Tyson
10h 00m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Oct 12
SJO1:00 pmSan José Juan Santamaria Intl
8h 22m
1 stop
TYS11:22 pmKnoxville McGhee Tyson
$633
American Airlines
Oct 5
TYS6:00 amKnoxville McGhee Tyson
10h 00m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Oct 12
SJO3:01 pmSan José Juan Santamaria Intl
18h 04m
2 stops
TYS11:05 amKnoxville McGhee Tyson
$638
American Airlines
Nov 7
TYS5:51 pmKnoxville McGhee Tyson
19h 31m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Nov 15
SJO1:23 pmSan José Juan Santamaria Intl
8h 31m
1 stop
TYS10:54 pmKnoxville McGhee Tyson
$645

Delta flights from Knoxville to San José

Our best Delta deals on Knoxville to San José flight tickets
Delta
Jul 29
TYS5:40 amKnoxville McGhee Tyson
8h 11m
1 stop
SJO11:51 amSan José Juan Santamaria Intl
Sep 29
SJO1:19 pmSan José Juan Santamaria Intl
8h 36m
1 stop
TYS11:55 pmKnoxville McGhee Tyson
$716
Delta
Jul 30
TYS5:40 amKnoxville McGhee Tyson
8h 11m
1 stop
SJO11:51 amSan José Juan Santamaria Intl
Sep 29
SJO1:19 pmSan José Juan Santamaria Intl
8h 36m
1 stop
TYS11:55 pmKnoxville McGhee Tyson
$734
Delta
Jul 30
TYS5:40 amKnoxville McGhee Tyson
8h 11m
1 stop
SJO11:51 amSan José Juan Santamaria Intl
Sep 28
SJO1:19 pmSan José Juan Santamaria Intl
8h 36m
1 stop
TYS11:55 pmKnoxville McGhee Tyson
$752

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 June 30, 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

Mon 8/3

7:20 pm-3:11 pm

1 stop21h 51m

San José Juan Santamaria Intl

Sat 10/3

8:55 am-8:05 am

2 stops21h 10m

$515

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 8/3

7:20 pm-3:11 pm

1 stop21h 51m

San José Juan Santamaria Intl

Mon 9/28

7:07 am-4:43 pm

1 stop7h 36m

$532

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 7/31

7:20 pm-8:30 am

1 stop15h 10m

San José Juan Santamaria Intl

Sat 10/3

8:55 am-8:05 am

2 stops21h 10m

$543

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 7/31

7:20 pm-8:30 am

1 stop15h 10m

San José Juan Santamaria Intl

Tue 9/29

7:07 am-2:42 pm

1 stop29h 35m

$557

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 7/31

7:20 pm-8:30 am

1 stop15h 10m

San José Juan Santamaria Intl

Mon 9/28

7:07 am-4:43 pm

1 stop7h 36m

$561

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 7/31

7:20 pm-8:30 am

1 stop15h 10m

San José Juan Santamaria Intl

Thu 10/1

7:07 am-11:59 am

1 stop26h 52m

$593

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 11/2

7:00 am-3:18 pm

1 stop9h 18m

San José Juan Santamaria Intl

Mon 11/16

7:00 am-7:59 pm

1 stop11h 59m

$604

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 8/2

7:15 am-11:55 pm

2 stops18h 40m

San José Juan Santamaria Intl

Mon 9/28

7:07 am-4:43 pm

1 stop7h 36m

$607

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sat 11/7

4:55 pm-3:18 pm

1 stop23h 23m

San José Juan Santamaria Intl

Sun 11/15

7:00 am-12:48 pm

1 stop28h 48m

$622
Quickest round-trip

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 10/5

6:00 am-2:00 pm

1 stop10h 00m

San José Juan Santamaria Intl

Mon 10/12

1:00 pm-11:22 pm

1 stop8h 22m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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, October 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 $0. If you don’t want to visit San José in October, then you should wait until September to fly from Knoxville, when ticket prices are also cheap, with an average price of $473.

Can stopping save me money on Knoxville to San José flights?

You could potentially save up to 14% on your flight if you consider stops on a Knoxville to San José flight.

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 17m

Direct flights

None
The fastest flight from Knoxville to San José takes 6h 17m
There are no direct flights from Knoxville to San José. There are no popular flight routes from Knoxville to San José.
Search flight deals

Frequently asked questions about flying from Knoxville to San José

  • 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 17m 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 $493Free CancellationRating
7.1
11,762 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
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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