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

Frontier, American Airlines, and United Airlines 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 51% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 6 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 6 as of May 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.

$168 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.

8:21 pm - 2:40 pm

PHX

LIR

17h 19m

1 stop

3:40 pm - 6:50 am

LIR

PHX

16h 10m

1 stop

$408American Airlines

Sun, Jul 19 - Thu, Jul 23

4:12 pm - 9:50 am

PHX

LIR

16h 38m

1 stop

3:27 pm - 10:25 pm

LIR

PHX

7h 58m

1 stop

$428United Airlines

Wed, May 27 - Thu, Jun 4

5:00 am - 1:38 pm

PHX

LIR

7h 38m

1 stop

12:35 pm - 11:55 pm

LIR

PHX

12h 20m

1 stop

$436American Airlines

Mon, Aug 24 - Thu, Sep 3

11:36 pm - 11:35 am

PHX

LIR

10h 59m

1 stop

3:37 pm - 9:05 am

LIR

PHX

18h 28m

1 stop

$437American Airlines

Fri, May 29 - Thu, Jun 4

6:59 pm - 12:10 pm

PHX

LIR

16h 11m

2 stops

1:20 pm - 10:13 am

LIR

PHX

21h 53m

2 stops

$441United Airlines

Wed, Sep 9 - Mon, Sep 14

7:00 pm - 12:26 pm

PHX

SJO

16h 26m

2 stops

1:29 pm - 12:53 pm

SJO

PHX

24h 24m

1 stop

$444GOL

Fri, Aug 28 - Mon, Aug 31

11:59 pm - 1:45 pm

PHX

LIR

12h 46m

2 stops

2:10 pm - 8:30 am

LIR

PHX

19h 20m

2 stops

$446American Airlines

Wed, Sep 9 - Mon, Sep 14

7:16 pm - 1:45 pm

PHX

LIR

17h 29m

2 stops

2:10 pm - 8:30 am

LIR

PHX

19h 20m

2 stops

$448GOL

Sun, Sep 20 - Sun, Sep 27

12:35 am - 8:20 am

PHX

SJO

30h 45m

1 stop

9:35 am - 10:14 am

SJO

PHX

25h 39m

1 stop

$448Frontier

Thu, Jul 2 - Sat, Jul 11

12:35 am - 8:20 am

PHX

SJO

30h 45m

1 stop

9:35 am - 10:14 am

SJO

PHX

25h 39m

1 stop

$456Frontier

Fri, Jul 3 - Sat, Jul 11

Frontier flights from Phoenix to Costa Rica

Our best Frontier deals on Phoenix to Costa Rica flight tickets

Frontier

Jul 3

PHX12:35 amPhoenix Sky Harbor Intl

30h 45m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Jul 11

SJO9:35 amSan José Juan Santamaria Intl

25h 39m

1 stop

PHX10:14 amPhoenix Sky Harbor Intl

$456

Frontier

May 22

PHX12:20 amPhoenix Sky Harbor Intl

30h 59m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

Jun 7

SJO9:35 amSan José Juan Santamaria Intl

26h 10m

1 stop

PHX10:45 amPhoenix Sky Harbor Intl

$469

Frontier

Jul 3

PHX4:36 pmPhoenix Sky Harbor Intl

38h 44m

2 stops

SJO8:20 amSan José Juan Santamaria Intl

Jul 12

SJO9:35 amSan José Juan Santamaria Intl

25h 39m

1 stop

PHX10:14 amPhoenix Sky Harbor Intl

$478

American Airlines flights from Phoenix to Costa Rica

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

American Airlines

Jul 19

PHX8:21 pmPhoenix Sky Harbor Intl

17h 19m

1 stop

LIR2:40 pmLiberia

Jul 23

LIR3:40 pmLiberia

16h 10m

1 stop

PHX6:50 amPhoenix Sky Harbor Intl

$408

American Airlines

Aug 24

PHX5:00 amPhoenix Sky Harbor Intl

7h 38m

1 stop

LIR1:38 pmLiberia

Sep 3

LIR12:35 pmLiberia

12h 20m

1 stop

PHX11:55 pmPhoenix Sky Harbor Intl

$436

American Airlines

May 29

PHX11:36 pmPhoenix Sky Harbor Intl

10h 59m

1 stop

LIR11:35 amLiberia

Jun 4

LIR3:37 pmLiberia

18h 28m

1 stop

PHX9:05 amPhoenix Sky Harbor Intl

$437

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sun 7/19

8:21 pm-2:40 pm

1 stop17h 19m

Liberia

Thu 7/23

3:40 pm-6:50 am

1 stop16h 10m

$408

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 5/27

4:12 pm-9:50 am

1 stop16h 38m

Liberia

Thu 6/4

3:27 pm-10:25 pm

1 stop7h 58m

$428

Quickest round-trip

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 8/24

5:00 am-1:38 pm

1 stop7h 38m

Liberia

Thu 9/3

12:35 pm-11:55 pm

1 stop12h 20m

$436

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Fri 5/29

11:36 pm-11:35 am

1 stop10h 59m

Liberia

Thu 6/4

3:37 pm-9:05 am

1 stop18h 28m

$437

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 9/9

6:59 pm-12:10 pm

2 stops16h 11m

Liberia

Mon 9/14

1:20 pm-10:13 am

2 stops21h 53m

$441

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 8/28

7:00 pm-12:26 pm

2 stops16h 26m

San José Juan Santamaria Intl

Mon 8/31

1:29 pm-12:53 pm

1 stop24h 24m

$444

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 9/9

11:59 pm-1:45 pm

2 stops12h 46m

Liberia

Mon 9/14

2:10 pm-8:30 am

2 stops19h 20m

$446

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sun 9/20

7:16 pm-1:45 pm

2 stops17h 29m

Liberia

Sun 9/27

2:10 pm-8:30 am

2 stops19h 20m

$448

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 7/2

12:35 am-8:20 am

1 stop30h 45m

San José Juan Santamaria Intl

Sat 7/11

9:35 am-10:14 am

1 stop25h 39m

$448

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 7/3

12:35 am-8:20 am

1 stop30h 45m

San José Juan Santamaria Intl

Sat 7/11

9:35 am-10:14 am

1 stop25h 39m

$456

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 September. Flight prices, which tend to average around $164, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then November is your next best option. Flight prices from Phoenix to Costa Rica during November average around $188.

How far in advance should I book a flight from Phoenix 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 $504 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 51m
Direct flights	Thu
Airports in Costa Rica	40 airports

The fastest flight from Phoenix to Costa Rica takes 7h 51m

Direct flights go from Phoenix to Costa Rica on Thursday. There are no airlines offering direct flights.

There are 40 airports in Costa Rica. From Phoenix there are direct flights to San José Juan Santamaria Intl (SJO).

Search flight deals

Frequently asked questions about flying from Phoenix to Costa Rica

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 6 as of May 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 7.1 2,978 reviews	Search JetBlue flights
Delta	PriceFrom $325	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
United Airlines	PriceFrom $338	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights
American Airlines	PriceFrom $338	Free Cancellation	Rating 7.1 11,672 reviews	Search American Airlines flights
Southwest	PriceFrom $354	Free Cancellation	Rating 7.9 4,305 reviews	Search Southwest flights
GOL	PriceFrom $406	Free Cancellation	Rating 7.3 1,210 reviews	Search GOL 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

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Flights to San Joséfrom $192

Flights to Liberiafrom $287

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Cheap flights from Phoenix to Costa Rica from $168

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 7/24. 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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Frontier flights from Phoenix to Costa Rica

Our best Frontier deals on Phoenix to Costa Rica flight tickets

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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 from Phoenix 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

Airports in Costa Rica

Frequently asked questions about flying from Phoenix to Costa Rica

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

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

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According to popular flight searches on momondo this year