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Cheap flights from Phoenix to Costa Rica from $147

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 2/18. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:10 pm - 12:22 pm
PHX
-
SJO
18h 12m
2 stops
Multiple Airlines Logo
12:35 pm - 10:12 pm
SJO
-
PHX
10h 37m
1 stop
$304Multiple Airlines
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
5:10 pm - 11:40 am
PHX
-
SJO
41h 30m
2 stops
Multiple Airlines Logo
12:35 pm - 12:44 am
SJO
-
PHX
13h 09m
1 stop
$339Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
11:30 am - 8:39 pm
PHX
-
SJO
8h 09m
1 stop
United Airlines Logo
11:35 am - 9:44 pm
SJO
-
PHX
11h 09m
1 stop
$345United Airlines
Tue, Mar 3 - Mon, Mar 9
United Airlines Logo
10:30 am - 7:37 pm
PHX
-
SJO
8h 07m
1 stop
United Airlines Logo
8:45 am - 11:59 pm
SJO
-
PHX
16h 14m
1 stop
$346United Airlines
Mon, Apr 13 - Thu, Apr 16
American Airlines Logo
10:55 pm - 2:13 pm
PHX
-
LIR
14h 18m
1 stop
American Airlines Logo
3:32 pm - 7:47 am
LIR
-
PHX
17h 15m
1 stop
$349American Airlines
Mon, Feb 23 - Wed, Mar 4
American Airlines Logo
9:55 pm - 11:28 am
PHX
-
LIR
12h 33m
1 stop
American Airlines Logo
2:40 pm - 11:55 pm
LIR
-
PHX
10h 15m
1 stop
$350American Airlines
Mon, Apr 6 - Thu, Apr 16
American Airlines Logo
5:35 pm - 12:10 pm
PHX
-
LIR
17h 35m
1 stop
American Airlines Logo
3:32 pm - 7:44 am
LIR
-
PHX
17h 12m
2 stops
$354American Airlines
Mon, Feb 23 - Wed, Mar 4
United Airlines Logo
10:30 am - 7:37 pm
PHX
-
SJO
8h 07m
1 stop
United Airlines Logo
8:45 am - 11:59 pm
SJO
-
PHX
16h 14m
1 stop
$356United Airlines
Mon, Apr 13 - Mon, Apr 27
Multiple Airlines Logo
5:15 pm - 12:22 pm
PHX
-
SJO
18h 07m
2 stops
Multiple Airlines Logo
11:35 am - 11:49 pm
SJO
-
PHX
13h 14m
1 stop
$360Multiple Airlines
Mon, Mar 2 - Tue, Mar 10
United Airlines Logo
8:30 am - 7:37 pm
PHX
-
SJO
10h 07m
1 stop
United Airlines Logo
12:30 am - 11:11 am
SJO
-
PHX
11h 41m
1 stop
$366United Airlines
Sun, Jul 26 - Thu, Jul 30

United Airlines flights from Phoenix to Costa Rica

Our best United Airlines deals on Phoenix to Costa Rica flight tickets
United Airlines
Mar 3
PHX11:30 amPhoenix Sky Harbor Intl
8h 09m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Mar 9
SJO11:35 amSan José Juan Santamaria Intl
11h 09m
1 stop
PHX9:44 pmPhoenix Sky Harbor Intl
$345
United Airlines
Apr 13
PHX10:30 amPhoenix Sky Harbor Intl
8h 07m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Apr 16
SJO8:45 amSan José Juan Santamaria Intl
16h 14m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
$346
United Airlines
Apr 13
PHX10:30 amPhoenix Sky Harbor Intl
8h 07m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Apr 27
SJO8:45 amSan José Juan Santamaria Intl
16h 14m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
$356

American Airlines flights from Phoenix to Costa Rica

Our best American Airlines deals on Phoenix to Costa Rica flight tickets
American Airlines
Feb 23
PHX10:55 pmPhoenix Sky Harbor Intl
14h 18m
1 stop
LIR2:13 pmLiberia
Mar 4
LIR3:32 pmLiberia
17h 15m
1 stop
PHX7:47 amPhoenix Sky Harbor Intl
$349
American Airlines
Apr 6
PHX9:55 pmPhoenix Sky Harbor Intl
12h 33m
1 stop
LIR11:28 amLiberia
Apr 16
LIR2:40 pmLiberia
10h 15m
1 stop
PHX11:55 pmPhoenix Sky Harbor Intl
$350
American Airlines
Feb 23
PHX5:35 pmPhoenix Sky Harbor Intl
17h 35m
1 stop
LIR12:10 pmLiberia
Mar 4
LIR3:32 pmLiberia
17h 12m
2 stops
PHX7:44 amPhoenix Sky Harbor Intl
$354

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 January 29, 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

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 2/28

5:10 pm-12:22 pm

2 stops18h 12m

San José Juan Santamaria Intl

Wed 3/4

12:35 pm-10:12 pm

1 stop10h 37m

$304

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 2/28

5:10 pm-11:40 am

2 stops41h 30m

San José Juan Santamaria Intl

Sat 3/7

12:35 pm-12:44 am

1 stop13h 09m

$339

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 3/3

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Mon 3/9

11:35 am-9:44 pm

1 stop11h 09m

$345

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 4/13

10:30 am-7:37 pm

1 stop8h 07m

San José Juan Santamaria Intl

Thu 4/16

8:45 am-11:59 pm

1 stop16h 14m

$346

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 2/23

10:55 pm-2:13 pm

1 stop14h 18m

Liberia

Wed 3/4

3:32 pm-7:47 am

1 stop17h 15m

$349

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 4/6

9:55 pm-11:28 am

1 stop12h 33m

Liberia

Thu 4/16

2:40 pm-11:55 pm

1 stop10h 15m

$350

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 2/23

5:35 pm-12:10 pm

1 stop17h 35m

Liberia

Wed 3/4

3:32 pm-7:44 am

2 stops17h 12m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 4/13

10:30 am-7:37 pm

1 stop8h 07m

San José Juan Santamaria Intl

Mon 4/27

8:45 am-11:59 pm

1 stop16h 14m

$356

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 3/2

5:15 pm-12:22 pm

2 stops18h 07m

San José Juan Santamaria Intl

Tue 3/10

11:35 am-11:49 pm

1 stop13h 14m

$360

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 7/26

8:30 am-7:37 pm

1 stop10h 07m

San José Juan Santamaria Intl

Thu 7/30

12:30 am-11:11 am

1 stop11h 41m

$366

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 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 $513 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 $428 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 46m

Direct flights

None
The fastest flight from Phoenix to Costa Rica takes 7h 46m
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?

  • 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
DeltaPriceFrom $164Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $345Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
SouthwestPriceFrom $352Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $356Free CancellationRating
7.2
11,205 reviews
Search American Airlines 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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