What airlines fly to Costa Rica?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Costa Rica from Knoxville according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 3 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

How often are flights from Knoxville to Costa Rica delayed?

Historically, on average around 100% of flights between Knoxville and Costa Rica have experienced a delay on any given week. The average delay length over the past 12 months has been 48 minutes.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Costa Rica?

Southwest is the most popular carrier operating from Knoxville McGhee Tyson to Costa Rica

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Knoxville to Costa Rica flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Costa Rica?

Prices for flights from Knoxville McGhee Tyson Airport to Costa Rica are updated daily.

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Costa Rica?

As of July 2026, there are 3 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Costa Rica.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to Costa Rica?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$205 Cheap Flights from Knoxville to Costa Rica in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 6:40 pm

TYS

SJO

13h 40m

2 stops

9:30 am - 8:40 pm

SJO

TYS

9h 10m

1 stop

$494Southwest

Tue, Sep 15 - Sat, Sep 26

5:30 pm - 12:35 pm

TYS

SJO

21h 05m

2 stops

9:00 am - 7:05 pm

SJO

TYS

8h 05m

1 stop

$503Southwest

Thu, Oct 22 - Sun, Oct 25

8:05 am - 6:40 pm

TYS

SJO

12h 35m

2 stops

9:00 am - 9:45 pm

SJO

TYS

10h 45m

2 stops

$507Southwest

Tue, Sep 15 - Sun, Sep 27

5:33 pm - 3:11 pm

TYS

SJO

23h 38m

1 stop

7:07 am - 7:40 pm

SJO

TYS

10h 33m

1 stop

$593Multiple Airlines

Thu, Oct 22 - Sun, Oct 25

12:00 pm - 10:15 pm

TYS

SJO

11h 15m

1 stop

7:00 am - 6:38 pm

SJO

TYS

10h 38m

1 stop

$608Delta

Tue, Dec 1 - Wed, Dec 16

11:25 am - 8:55 pm

TYS

SJO

10h 30m

2 stops

2:40 pm - 8:56 am

SJO

TYS

17h 16m

2 stops

$613American Airlines

Tue, Dec 1 - Wed, Dec 16

7:20 pm - 3:11 pm

TYS

SJO

21h 51m

1 stop

2:20 am - 12:17 pm

SJO

TYS

31h 57m

2 stops

$619Multiple Airlines

Mon, Aug 3 - Sat, Aug 8

5:12 pm - 12:16 pm

TYS

LIR

20h 04m

2 stops

1:25 pm - 8:36 am

LIR

TYS

18h 11m

2 stops

$677American Airlines

Mon, Nov 30 - Sat, Dec 5

5:30 am - 12:45 pm

TYS

LIR

8h 15m

1 stop

2:00 pm - 11:46 pm

LIR

TYS

8h 46m

1 stop

$698Delta

Thu, Nov 12 - Mon, Nov 16

5:45 am - 10:44 am

TYS

LIR

30h 59m

2 stops

1:20 pm - 9:50 am

LIR

TYS

18h 30m

2 stops

$771United Airlines

Sun, Oct 25 - Thu, Oct 29

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Knoxville to Costa Rica

Our best Southwest deals on Knoxville to Costa Rica flight tickets

Southwest

Sep 15

TYS7:00 amKnoxville McGhee Tyson

13h 40m

2 stops

SJO6:40 pmSan José Juan Santamaria Intl

Sep 26

SJO9:30 amSan José Juan Santamaria Intl

9h 10m

1 stop

TYS8:40 pmKnoxville McGhee Tyson

$494

Southwest

Sep 15

TYS8:05 amKnoxville McGhee Tyson

12h 35m

2 stops

SJO6:40 pmSan José Juan Santamaria Intl

Sep 27

SJO9:00 amSan José Juan Santamaria Intl

10h 45m

2 stops

TYS9:45 pmKnoxville McGhee Tyson

$507

Southwest

Oct 3

TYS8:10 amKnoxville McGhee Tyson

13h 30m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Oct 11

SJO9:00 amSan José Juan Santamaria Intl

10h 20m

2 stops

TYS9:20 pmKnoxville McGhee Tyson

$557

Avianca flights from Knoxville to Costa Rica

Our best Avianca deals on Knoxville to Costa Rica flight tickets

Avianca

Aug 14

TYS5:45 amKnoxville McGhee Tyson

19h 55m

2 stops

SJO11:40 pmSan José Juan Santamaria Intl

Aug 22

SJO4:35 pmSan José Juan Santamaria Intl

16h 02m

2 stops

TYS10:37 amKnoxville McGhee Tyson

$738

Avianca

Aug 8

TYS5:45 amKnoxville McGhee Tyson

28h 45m

2 stops

SJO8:30 amSan José Juan Santamaria Intl

Aug 27

SJO4:35 pmSan José Juan Santamaria Intl

25h 49m

2 stops

TYS8:24 pmKnoxville McGhee Tyson

$775

Avianca

Aug 14

TYS5:45 amKnoxville McGhee Tyson

19h 55m

2 stops

SJO11:40 pmSan José Juan Santamaria Intl

Aug 22

SJO12:40 pmSan José Juan Santamaria Intl

19h 57m

3 stops

TYS10:37 amKnoxville McGhee Tyson

$785

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 9/15

7:00 am-6:40 pm

2 stops13h 40m

San José Juan Santamaria Intl

Sat 9/26

9:30 am-8:40 pm

1 stop9h 10m

$494

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 10/22

5:30 pm-12:35 pm

2 stops21h 05m

San José Juan Santamaria Intl

Sun 10/25

9:00 am-7:05 pm

1 stop8h 05m

$503

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 9/15

8:05 am-6:40 pm

2 stops12h 35m

San José Juan Santamaria Intl

Sun 9/27

9:00 am-9:45 pm

2 stops10h 45m

$507

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 10/22

5:33 pm-3:11 pm

1 stop23h 38m

San José Juan Santamaria Intl

Sun 10/25

7:07 am-7:40 pm

1 stop10h 33m

$593

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 12/1

12:00 pm-10:15 pm

1 stop11h 15m

San José Juan Santamaria Intl

Wed 12/16

7:00 am-6:38 pm

1 stop10h 38m

$608

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 12/1

11:25 am-8:55 pm

2 stops10h 30m

San José Juan Santamaria Intl

Wed 12/16

2:40 pm-8:56 am

2 stops17h 16m

$613

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 8/8

2:20 am-12:17 pm

2 stops31h 57m

$619

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Mon 11/30

5:12 pm-12:16 pm

2 stops20h 04m

Liberia

Sat 12/5

1:25 pm-8:36 am

2 stops18h 11m

$677

Quickest round-trip

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Thu 11/12

5:30 am-12:45 pm

1 stop8h 15m

Liberia

Mon 11/16

2:00 pm-11:46 pm

1 stop8h 46m

$698

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Sun 10/25

5:45 am-10:44 am

2 stops30h 59m

Liberia

Thu 10/29

1:20 pm-9:50 am

2 stops18h 30m

$771

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to Costa Rica

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

Prices

Airlines

Delays

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Knoxville is in December. Flight prices, which tend to average around $324, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in December, then September is your next best option. Flight prices from Knoxville to Costa Rica during September average around $473.

Can stopping save me money on Knoxville to Costa Rica flights?

You could potentially save up to 9% on your flight if you consider stops on a Knoxville to Costa Rica flight.

Cheap Knoxville to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Costa Rica

Fastest flight time	7h 14m
Direct flights	None

The fastest flight from Knoxville to Costa Rica takes 7h 14m

There are no direct flights from Knoxville to Costa Rica. There are no popular flight routes from Knoxville to Costa Rica.

Search flight deals

Frequently asked questions about flying from Knoxville to Costa Rica

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Costa Rica?
Prices for flights from Knoxville McGhee Tyson Airport to Costa Rica are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Costa Rica?
As of July 2026, there are 3 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Costa Rica.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Costa Rica?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Knoxville to Costa Rica

Compare and see reviews for airlines that fly from Knoxville to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $491	Free Cancellation	Rating 7.4 9,976 reviews	Search United Airlines flights
American Airlines	PriceFrom $493	Free Cancellation	Rating 7.1 11,806 reviews	Search American Airlines flights
Delta	PriceFrom $536	Free Cancellation	Rating 7.8 8,457 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Costa Rica?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Costa Rica for you.

Can I find flights from Knoxville to Costa Rica with flexible booking policies on momondo?

All flight searches from Knoxville to Costa Rica on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Knoxville to Costa Rica?

momondo provides multiple filters to help you find the best flight to Costa Rica from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Costa Rica from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 8/10

Mon 8/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Popular cities

Other flights from Knoxville

Other flights to Costa Rica

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Costa Rica

Flights to San Joséfrom $197

Flights to Liberiafrom $276

Flights to Limon

Flights to Tamarindo

Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Cheap flights from Knoxville to Costa Rica from $205

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 Costa Rica departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Knoxville to Costa Rica

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Southwest flights from Knoxville to Costa Rica

Our best Southwest deals on Knoxville to Costa Rica flight tickets

Avianca flights from Knoxville to Costa Rica

Our best Avianca deals on Knoxville to Costa Rica flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Knoxville to Costa Rica that are best for you.

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Knoxville to Costa Rica

What is the cheapest month to fly to Costa Rica?

Can stopping save me money on Knoxville to Costa Rica flights?

What is the cheapest airline that flies from Knoxville McGhee Tyson to Costa Rica?

What airlines fly to Costa Rica?

How often are flights from Knoxville to Costa Rica delayed?

What is the most punctual flight time for Knoxville to Costa Rica flights?

What day of the week experiences the fewest flight delays on this route?

Cheap Knoxville to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Costa Rica

Fastest flight time

Direct flights

Frequently asked questions about flying from Knoxville to Costa Rica

Best airlines flying from Knoxville to Costa Rica

Compare and see reviews for airlines that fly from Knoxville to Costa Rica with momondo

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Knoxville flight routes

According to popular flight searches on momondo this year

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year