What is the cheapest airline that flies from Phoenix to Costa Rica?

American Airlines, United Airlines, and JetBlue are the most popular carriers operating from Phoenix to Costa Rica

What airlines fly to Costa Rica?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Costa Rica from Phoenix according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 5 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Phoenix to Costa Rica?

Prices for flights from Phoenix to Costa Rica were last updated today.

How many operators does momondo search for flights from Phoenix to Costa Rica?

The number of operators available for flights from Phoenix to Costa Rica is 5 as of March 2026.

How old do you have to be to fly from Phoenix 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 Phoenix to Costa Rica.

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

The required travel and health documents for your Costa Rica 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 Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$149 Cheap Flights from Phoenix to Costa Rica in 2026

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Find the cheapest flights from Phoenix to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 am - 8:19 am

PHX

SJO

30h 59m

1 stop

9:35 am - 10:45 am

SJO

PHX

26h 10m

1 stop

$404Frontier

Tue, May 26 - Thu, Jun 4

7:05 pm - 5:30 am

PHX

SJO

9h 25m

1 stop

7:55 am - 6:06 pm

SJO

PHX

11h 11m

1 stop

$406United Airlines

Fri, May 1 - Wed, May 6

7:45 am - 7:00 pm

PHX

SJO

10h 15m

1 stop

9:00 am - 9:25 pm

SJO

PHX

13h 25m

2 stops

$408Southwest

Fri, May 8 - Thu, May 28

6:35 am - 7:07 pm

PHX

SJO

11h 32m

2 stops

11:35 pm - 9:25 am

SJO

PHX

10h 50m

1 stop

$411American Airlines

Tue, May 5 - Fri, May 15

10:30 am - 7:37 pm

PHX

SJO

8h 07m

1 stop

7:55 am - 9:41 pm

SJO

PHX

14h 46m

1 stop

$414United Airlines

Thu, Apr 23 - Mon, Apr 27

7:38 pm - 7:15 am

PHX

SJO

10h 37m

1 stop

7:55 am - 6:06 pm

SJO

PHX

11h 11m

1 stop

$416United Airlines

Thu, Apr 16 - Sat, Apr 25

7:41 pm - 7:15 am

PHX

SJO

10h 34m

1 stop

8:45 am - 6:39 pm

SJO

PHX

10h 54m

1 stop

$418United Airlines

Mon, May 11 - Sun, May 24

7:00 pm - 1:40 pm

PHX

LIR

17h 40m

1 stop

2:10 pm - 10:32 pm

LIR

PHX

9h 22m

1 stop

$420American Airlines

Sat, May 9 - Thu, May 14

9:20 pm - 11:24 am

PHX

SJO

13h 04m

2 stops

9:35 am - 10:45 am

SJO

PHX

26h 10m

1 stop

$425Multiple Airlines

Mon, May 11 - Sun, May 24

11:55 pm - 12:10 pm

PHX

SJO

11h 15m

1 stop

9:00 am - 9:25 pm

SJO

PHX

13h 25m

2 stops

$433Southwest

Mon, May 11 - Mon, May 18

American Airlines flights from Phoenix to Costa Rica

Our best American Airlines deals on Phoenix to Costa Rica flight tickets

American Airlines

May 5

PHX6:35 amPhoenix Sky Harbor Intl

11h 32m

2 stops

SJO7:07 pmSan José Juan Santamaria Intl

May 15

SJO11:35 pmSan José Juan Santamaria Intl

10h 50m

1 stop

PHX9:25 amPhoenix Sky Harbor Intl

$411

American Airlines

Apr 27

PHX11:10 pmPhoenix Sky Harbor Intl

10h 57m

2 stops

SJO11:07 amSan José Juan Santamaria Intl

Apr 29

SJO11:35 pmSan José Juan Santamaria Intl

9h 19m

1 stop

PHX7:54 amPhoenix Sky Harbor Intl

$418

American Airlines

May 9

PHX7:00 pmPhoenix Sky Harbor Intl

17h 40m

1 stop

LIR1:40 pmLiberia

May 14

LIR2:10 pmLiberia

9h 22m

1 stop

PHX10:32 pmPhoenix Sky Harbor Intl

$420

Frontier flights from Phoenix to Costa Rica

Our best Frontier deals on Phoenix to Costa Rica flight tickets

Frontier

May 26

PHX12:20 amPhoenix Sky Harbor Intl

30h 59m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

Jun 4

SJO9:35 amSan José Juan Santamaria Intl

26h 10m

1 stop

PHX10:45 amPhoenix Sky Harbor Intl

$404

Frontier

May 20

PHX12:20 amPhoenix Sky Harbor Intl

30h 59m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

May 25

SJO9:35 amSan José Juan Santamaria Intl

28h 34m

2 stops

PHX1:09 pmPhoenix Sky Harbor Intl

$435

Frontier

May 20

PHX12:20 amPhoenix Sky Harbor Intl

30h 59m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

May 31

SJO9:35 amSan José Juan Santamaria Intl

26h 10m

1 stop

PHX10:45 amPhoenix Sky Harbor Intl

$465

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 5/26

12:20 am-8:19 am

1 stop30h 59m

San José Juan Santamaria Intl

Thu 6/4

9:35 am-10:45 am

1 stop26h 10m

$404

Quickest round-trip

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/1

7:05 pm-5:30 am

1 stop9h 25m

San José Juan Santamaria Intl

Wed 5/6

7:55 am-6:06 pm

1 stop11h 11m

$406

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/8

7:45 am-7:00 pm

1 stop10h 15m

San José Juan Santamaria Intl

Thu 5/28

9:00 am-9:25 pm

2 stops13h 25m

$408

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 5/5

6:35 am-7:07 pm

2 stops11h 32m

San José Juan Santamaria Intl

Fri 5/15

11:35 pm-9:25 am

1 stop10h 50m

$411

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 4/23

10:30 am-7:37 pm

1 stop8h 07m

San José Juan Santamaria Intl

Mon 4/27

7:55 am-9:41 pm

1 stop14h 46m

$414

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 4/16

7:38 pm-7:15 am

1 stop10h 37m

San José Juan Santamaria Intl

Sat 4/25

7:55 am-6:06 pm

1 stop11h 11m

$416

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 5/11

7:41 pm-7:15 am

1 stop10h 34m

San José Juan Santamaria Intl

Sun 5/24

8:45 am-6:39 pm

1 stop10h 54m

$418

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sat 5/9

7:00 pm-1:40 pm

1 stop17h 40m

Liberia

Thu 5/14

2:10 pm-10:32 pm

1 stop9h 22m

$420

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 5/11

9:20 pm-11:24 am

2 stops13h 04m

San José Juan Santamaria Intl

Sun 5/24

9:35 am-10:45 am

1 stop26h 10m

$425

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 5/11

11:55 pm-12:10 pm

1 stop11h 15m

San José Juan Santamaria Intl

Mon 5/18

9:00 am-9:25 pm

2 stops13h 25m

$433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Phoenix 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

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Phoenix is in August. Flight prices, which tend to average around $420, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in August, then November is your next best option. Flight prices from Phoenix to Costa Rica during November average around $423.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $492 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Phoenix for as low as $404 on momondo.

Cheap Phoenix to Costa Rica flight deals and tips

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

Fastest flight time	7h 25m
Direct flights	None

The fastest flight from Phoenix to Costa Rica takes 7h 25m

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

Search flight deals

When did momondo last update prices for flights from Phoenix to Costa Rica?
Prices for flights from Phoenix to Costa Rica were last updated today.
How many operators does momondo search for flights from Phoenix to Costa Rica?
The number of operators available for flights from Phoenix to Costa Rica is 5 as of March 2026.
How old do you have to be to fly from Phoenix 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 Phoenix to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The required travel and health documents for your Costa Rica 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 Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Phoenix to Costa Rica

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $131	Free Cancellation	Rating 7.2 2,908 reviews	Search JetBlue flights
Delta	PriceFrom $164	Free Cancellation	Rating 7.9 8,314 reviews	Search Delta flights
United Airlines	PriceFrom $340	Free Cancellation	Rating 7.4 9,455 reviews	Search United Airlines flights
American Airlines	PriceFrom $345	Free Cancellation	Rating 7.1 11,487 reviews	Search American Airlines flights
Southwest	PriceFrom $354	Free Cancellation	Rating 8.0 4,324 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Phoenix.

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

Flights from Phoenix to Costa Rica with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Costa Rica.

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

Yes. momondo can track prices for Phoenix to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.

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Flights to San Joséfrom $205

Flights to Liberiafrom $289

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Cheap flights from Phoenix to Costa Rica from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Costa Rica departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Phoenix to Costa Rica

Our best American Airlines deals on Phoenix to Costa Rica flight tickets

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

What is the cheapest month to fly to Costa Rica?

How far in advance should I book a flight to Costa Rica?

What is the cheapest airline that flies from Phoenix to Costa Rica?

What airlines fly to Costa Rica?

Cheap Phoenix to Costa Rica flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Phoenix to Costa Rica

Compare and see reviews for airlines that fly from Phoenix 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

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.

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Explore popular destinations other users love

According to popular flight searches on momondo this year