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Cheap flights from Phoenix to Costa Rica from $154

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 8/30. 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 Phoenix to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:20 pm - 12:21 pmPHX  Phoenix Sky Harbor Intl-LIR Liberia
19h 01m1 stop Charlotte Douglas
American Airlines Logo
3:13 pm - 12:55 amLIR  Liberia-PHX Phoenix Sky Harbor Intl
10h 42m1 stop Miami
$344American Airlines
Tue, Jan 19 - Thu, Jan 28
United Airlines Logo
6:20 am - 4:10 pmPHX  Phoenix Sky Harbor Intl-LIR Liberia
8h 50m1 stop Denver Intl
United Airlines Logo
9:25 am - 9:59 pmLIR  Liberia-PHX Phoenix Sky Harbor Intl
13h 34m1 stop San Francisco
$344United Airlines
Sun, Nov 1 - Sun, Nov 8
United Airlines Logo
12:45 am - 12:55 pmPHX  Phoenix Sky Harbor Intl-LIR Liberia
11h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
8:35 am - 6:16 pmLIR  Liberia-PHX Phoenix Sky Harbor Intl
10h 41m1 stop Houston George Bush Intcntl
$344United Airlines
Thu, Jan 21 - Sun, Jan 31
Southwest Logo
5:00 am - 12:45 pmPHX  Phoenix Sky Harbor Intl-LIR Liberia
6h 45m1 stop Houston Hobby
Southwest Logo
1:40 pm - 8:35 pmLIR  Liberia-PHX Phoenix Sky Harbor Intl
7h 55m1 stop Houston Hobby
$345Southwest
Sat, Sep 19 - Sat, Sep 26
Southwest Logo
5:00 am - 12:45 pmPHX  Phoenix Sky Harbor Intl-LIR Liberia
6h 45m1 stop Houston Hobby
Southwest Logo
1:40 pm - 8:35 pmLIR  Liberia-PHX Phoenix Sky Harbor Intl
7h 55m1 stop Houston Hobby
$345Southwest
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
6:50 pm - 1:57 pmPHX  Phoenix Sky Harbor Intl-SJO San José Juan Santamaria Intl
18h 07m1 stop Dallas/Fort Worth
American Airlines Logo
3:01 pm - 9:25 amSJO  San José Juan Santamaria Intl-PHX Phoenix Sky Harbor Intl
19h 24m1 stop Miami
$350American Airlines
Thu, Oct 1 - Thu, Oct 8
GOL Logo
5:00 am - 2:00 pmPHX  Phoenix Sky Harbor Intl-SJO San José Juan Santamaria Intl
8h 00m1 stop Dallas/Fort Worth
GOL Logo
6:00 am - 3:38 pmSJO  San José Juan Santamaria Intl-PHX Phoenix Sky Harbor Intl
10h 38m1 stop Miami
$378GOL
Tue, Oct 13 - Tue, Oct 20
GOL Logo
5:00 am - 2:00 pmPHX  Phoenix Sky Harbor Intl-SJO San José Juan Santamaria Intl
8h 00m1 stop Dallas/Fort Worth
GOL Logo
6:00 am - 3:38 pmSJO  San José Juan Santamaria Intl-PHX Phoenix Sky Harbor Intl
10h 38m1 stop Miami
$378GOL
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
1:32 pm - 8:30 amPHX  Phoenix Sky Harbor Intl-SJO San José Juan Santamaria Intl
17h 58m2 stops New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
4:35 pm - 12:39 pmSJO  San José Juan Santamaria Intl-PHX Phoenix Sky Harbor Intl
21h 04m2 stops Guatemala City La Aurora New York John F Kennedy Intl
$439Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
11:40 am - 9:35 amPHX  Phoenix Sky Harbor Intl-SJO San José Juan Santamaria Intl
20h 55m2 stops New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
4:15 pm - 10:39 amSJO  San José Juan Santamaria Intl-PHX Phoenix Sky Harbor Intl
19h 24m2 stops Guatemala City La Aurora New York John F Kennedy Intl
$439Multiple Airlines
Fri, Jan 15 - Sun, Jan 24

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Southwest flights from Phoenix to Costa Rica

Our best Southwest deals on Phoenix to Costa Rica flight tickets
Southwest
Sep 19
PHX5:00 amPhoenix Sky Harbor Intl
6h 45m
1 stop
LIR12:45 pmLiberia
Sep 26
LIR1:40 pmLiberia
7h 55m
1 stop
PHX8:35 pmPhoenix Sky Harbor Intl
$345
Southwest
Sep 14
PHX7:55 amPhoenix Sky Harbor Intl
9h 50m
1 stop
SJO6:45 pmSan José Juan Santamaria Intl
Sep 21
SJO1:40 pmSan José Juan Santamaria Intl
8h 55m
1 stop
PHX9:35 pmPhoenix Sky Harbor Intl
$351
Southwest
Sep 19
PHX5:00 amPhoenix Sky Harbor Intl
6h 45m
1 stop
LIR12:45 pmLiberia
Sep 26
LIR1:40 pmLiberia
7h 55m
1 stop
PHX8:35 pmPhoenix Sky Harbor Intl
$366

United Airlines flights from Phoenix to Costa Rica

Our best United Airlines deals on Phoenix to Costa Rica flight tickets
United Airlines
Sep 19
PHX4:49 pmPhoenix Sky Harbor Intl
18h 21m
2 stops
LIR12:10 pmLiberia
Sep 26
LIR11:49 amLiberia
9h 25m
1 stop
PHX8:14 pmPhoenix Sky Harbor Intl
$344
United Airlines
Oct 24
PHX8:30 amPhoenix Sky Harbor Intl
10h 07m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Oct 30
SJO11:35 amSan José Juan Santamaria Intl
10h 40m
1 stop
PHX9:15 pmPhoenix Sky Harbor Intl
$350
United Airlines
Sep 19
PHX8:30 amPhoenix Sky Harbor Intl
26h 40m
1 stop
LIR12:10 pmLiberia
Sep 26
LIR11:49 amLiberia
9h 25m
1 stop
PHX8:14 pmPhoenix Sky Harbor Intl
$353

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix to Costa Rica 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 August 5, 2026.
Use the filters below to find and compare flights from Phoenix to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixLiberia

PHX Phoenix Sky Harbor Intl - LIR Liberia

PHXLIR

Phoenix Sky Harbor Intl

Tue 1/19

4:20 pm-12:21 pm

1 stop19h 01m

Liberia

Thu 1/28

3:13 pm-12:55 am

1 stop10h 42m

$344

PhoenixLiberia

PHX Phoenix Sky Harbor Intl - LIR Liberia

PHXLIR

Phoenix Sky Harbor Intl

Sun 11/1

6:20 am-4:10 pm

1 stop8h 50m

Liberia

Sun 11/8

9:25 am-9:59 pm

1 stop13h 34m

$344

PhoenixLiberia

PHX Phoenix Sky Harbor Intl - LIR Liberia

PHXLIR

Phoenix Sky Harbor Intl

Thu 1/21

12:45 am-12:55 pm

1 stop11h 10m

Liberia

Sun 1/31

8:35 am-6:16 pm

1 stop10h 41m

$344
Quickest round-trip

PhoenixLiberia

PHX Phoenix Sky Harbor Intl - LIR Liberia

PHXLIR

Phoenix Sky Harbor Intl

Sat 9/19

5:00 am-12:45 pm

1 stop6h 45m

Liberia

Sat 9/26

1:40 pm-8:35 pm

1 stop7h 55m

$345

PhoenixLiberia

PHX Phoenix Sky Harbor Intl - LIR Liberia

PHXLIR

Phoenix Sky Harbor Intl

Sat 9/19

5:00 am-12:45 pm

1 stop6h 45m

Liberia

Sat 9/26

1:40 pm-8:35 pm

1 stop7h 55m

$345

PhoenixSan José

PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl

PHXSJO

Phoenix Sky Harbor Intl

Thu 10/1

6:50 pm-1:57 pm

1 stop18h 07m

San José Juan Santamaria Intl

Thu 10/8

3:01 pm-9:25 am

1 stop19h 24m

$350

PhoenixSan José

PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl

PHXSJO

Phoenix Sky Harbor Intl

Tue 10/13

5:00 am-2:00 pm

1 stop8h 00m

San José Juan Santamaria Intl

Tue 10/20

6:00 am-3:38 pm

1 stop10h 38m

$378

PhoenixSan José

PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl

PHXSJO

Phoenix Sky Harbor Intl

Tue 10/13

5:00 am-2:00 pm

1 stop8h 00m

San José Juan Santamaria Intl

Tue 10/20

6:00 am-3:38 pm

1 stop10h 38m

$378

PhoenixSan José

PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl

PHXSJO

Phoenix Sky Harbor Intl

Wed 9/9

1:32 pm-8:30 am

2 stops17h 58m

San José Juan Santamaria Intl

Wed 9/16

4:35 pm-12:39 pm

2 stops21h 04m

$439

PhoenixSan José

PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl

PHXSJO

Phoenix Sky Harbor Intl

Fri 1/15

11:40 am-9:35 am

2 stops20h 55m

San José Juan Santamaria Intl

Sun 1/24

4:15 pm-10:39 am

2 stops19h 24m

$439

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 Costa Rica from

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

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Phoenix is in October. Flight prices, which tend to average around $462, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from Phoenix to Costa Rica during September average around $479.

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 $530 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 $423 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

6h 45m

Direct flights

Wed, Thu, Fri and Sat

Airports in Costa Rica

40 airports
The fastest flight from Phoenix to Costa Rica takes 6h 45m
Direct flights go from Phoenix to Costa Rica on Wednesday, Thursday, Friday and Saturday. 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?

  • 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
JetBluePriceFrom $250Free CancellationRating
7.1
3,023 reviews
Search JetBlue flights
United AirlinesPriceFrom $340Free CancellationRating
7.4
10,060 reviews
Search United Airlines flights
American AirlinesPriceFrom $353Free CancellationRating
7.1
11,846 reviews
Search American Airlines flights
SouthwestPriceFrom $354Free CancellationRating
8.0
4,220 reviews
Search Southwest flights
GOLPriceFrom $406Free CancellationRating
7.3
1,269 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.

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