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Cheap flights from Phoenix Sky Harbor Intl Airport to Costa Rica from $162

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 Sky Harbor Intl Airport to Costa Rica departing on 4/28. 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

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:05 pm - 2:08 pm
PHX
-
SJO
18h 03m
1 stop
American Airlines Logo
11:59 pm - 12:17 pm
SJO
-
PHX
13h 18m
2 stops
$387American Airlines
Tue, Jun 2 - Thu, Jun 11
Frontier Logo
12:20 am - 8:19 am
PHX
-
SJO
30h 59m
1 stop
Frontier Logo
9:35 am - 10:27 am
SJO
-
PHX
25h 52m
1 stop
$388Frontier
Tue, May 26 - Fri, Jun 12
Frontier Logo
12:05 pm - 8:19 am
PHX
-
SJO
19h 14m
2 stops
Frontier Logo
9:35 am - 10:27 am
SJO
-
PHX
25h 52m
1 stop
$394Frontier
Fri, Jun 5 - Sun, Jun 14
American Airlines Logo
7:00 pm - 2:17 pm
PHX
-
SJO
18h 17m
1 stop
American Airlines Logo
2:12 pm - 6:43 am
SJO
-
PHX
17h 31m
1 stop
$399American Airlines
Sat, Jul 4 - Sun, Jul 12
Frontier Logo
12:20 am - 8:19 am
PHX
-
SJO
30h 59m
1 stop
Frontier Logo
9:35 am - 10:27 am
SJO
-
PHX
25h 52m
1 stop
$404Frontier
Fri, Jun 5 - Sun, Jun 14
American Airlines Logo
5:00 am - 9:36 pm
PHX
-
SJO
15h 36m
1 stop
American Airlines Logo
11:35 pm - 7:54 am
SJO
-
PHX
9h 19m
1 stop
$406American Airlines
Sun, May 3 - Sat, May 9
United Airlines Logo
6:00 am - 7:37 pm
PHX
-
SJO
12h 37m
2 stops
United Airlines Logo
1:25 pm - 9:05 pm
SJO
-
PHX
8h 40m
1 stop
$411United Airlines
Wed, Apr 29 - Wed, May 6
GOL Logo
5:00 am - 7:07 pm
PHX
-
SJO
13h 07m
2 stops
GOL Logo
6:30 am - 3:57 pm
SJO
-
PHX
10h 27m
1 stop
$413GOL
Tue, May 12 - Tue, May 19
United Airlines Logo
6:00 am - 2:25 pm
PHX
-
LIR
7h 25m
1 stop
United Airlines Logo
3:27 pm - 8:37 am
LIR
-
PHX
18h 10m
1 stop
$428United Airlines
Fri, May 1 - Fri, May 8
Southwest Logo
5:10 am - 1:15 pm
PHX
-
LIR
7h 05m
1 stop
Southwest Logo
2:15 pm - 9:25 pm
LIR
-
PHX
8h 10m
1 stop
$448Southwest
Thu, May 7 - Sat, May 16

Frontier flights from Phoenix Sky Harbor Intl Airport to Costa Rica

Our best Frontier deals on Phoenix Sky Harbor Intl Airport 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 12
SJO9:35 amSan José Juan Santamaria Intl
25h 52m
1 stop
PHX10:27 amPhoenix Sky Harbor Intl
$388
Frontier
Jun 5
PHX12:05 pmPhoenix Sky Harbor Intl
19h 14m
2 stops
SJO8:19 amSan José Juan Santamaria Intl
Jun 14
SJO9:35 amSan José Juan Santamaria Intl
25h 52m
1 stop
PHX10:27 amPhoenix Sky Harbor Intl
$394
Frontier
Jun 5
PHX12:20 amPhoenix Sky Harbor Intl
30h 59m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Jun 14
SJO9:35 amSan José Juan Santamaria Intl
25h 52m
1 stop
PHX10:27 amPhoenix Sky Harbor Intl
$404

American Airlines flights from Phoenix Sky Harbor Intl Airport to Costa Rica

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Costa Rica flight tickets
American Airlines
Jun 2
PHX7:05 pmPhoenix Sky Harbor Intl
18h 03m
1 stop
SJO2:08 pmSan José Juan Santamaria Intl
Jun 11
SJO11:59 pmSan José Juan Santamaria Intl
13h 18m
2 stops
PHX12:17 pmPhoenix Sky Harbor Intl
$387
American Airlines
Jul 4
PHX7:00 pmPhoenix Sky Harbor Intl
18h 17m
1 stop
SJO2:17 pmSan José Juan Santamaria Intl
Jul 12
SJO2:12 pmSan José Juan Santamaria Intl
17h 31m
1 stop
PHX6:43 amPhoenix Sky Harbor Intl
$399
American Airlines
May 3
PHX5:00 amPhoenix Sky Harbor Intl
15h 36m
1 stop
SJO9:36 pmSan José Juan Santamaria Intl
May 9
SJO11:35 pmSan José Juan Santamaria Intl
9h 19m
1 stop
PHX7:54 amPhoenix Sky Harbor Intl
$406

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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 April 2, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 6/2

7:05 pm-2:08 pm

1 stop18h 03m

San José Juan Santamaria Intl

Thu 6/11

11:59 pm-12:17 pm

2 stops13h 18m

$387

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

Fri 6/12

9:35 am-10:27 am

1 stop25h 52m

$388

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 6/5

12:05 pm-8:19 am

2 stops19h 14m

San José Juan Santamaria Intl

Sun 6/14

9:35 am-10:27 am

1 stop25h 52m

$394

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 7/4

7:00 pm-2:17 pm

1 stop18h 17m

San José Juan Santamaria Intl

Sun 7/12

2:12 pm-6:43 am

1 stop17h 31m

$399

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 6/5

12:20 am-8:19 am

1 stop30h 59m

San José Juan Santamaria Intl

Sun 6/14

9:35 am-10:27 am

1 stop25h 52m

$404

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 5/3

5:00 am-9:36 pm

1 stop15h 36m

San José Juan Santamaria Intl

Sat 5/9

11:35 pm-7:54 am

1 stop9h 19m

$406

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 4/29

6:00 am-7:37 pm

2 stops12h 37m

San José Juan Santamaria Intl

Wed 5/6

1:25 pm-9:05 pm

1 stop8h 40m

$411

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 5/12

5:00 am-7:07 pm

2 stops13h 07m

San José Juan Santamaria Intl

Tue 5/19

6:30 am-3:57 pm

1 stop10h 27m

$413

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Fri 5/1

6:00 am-2:25 pm

1 stop7h 25m

Liberia

Fri 5/8

3:27 pm-8:37 am

1 stop18h 10m

$428
Quickest round-trip

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Thu 5/7

5:10 am-1:15 pm

1 stop7h 05m

Liberia

Sat 5/16

2:15 pm-9:25 pm

1 stop8h 10m

$448

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 Sky Harbor Intl Airport 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 Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Costa Rica during November average around $431.

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 Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $496 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 Sky Harbor Intl Airport for as low as $404 on momondo.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Costa Rica flights?

You could potentially save up to 4% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Costa Rica flight.

Cheap Phoenix Sky Harbor Intl Airport to Costa Rica flight deals and tips

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

Fastest flight time

7h 15m

Direct flights

None
The fastest flight from Phoenix Sky Harbor Intl Airport to Costa Rica takes 7h 15m
There are no direct flights from Phoenix Sky Harbor Intl Airport to Costa Rica. There are no popular flight routes from Phoenix Sky Harbor Intl Airport to Costa Rica.
Search flight deals

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Costa Rica

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Costa Rica?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Costa Rica?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Costa Rica

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $131Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
DeltaPriceFrom $164Free CancellationRating
7.9
8,374 reviews
Search Delta flights
United AirlinesPriceFrom $339Free CancellationRating
7.4
9,538 reviews
Search United Airlines flights
American AirlinesPriceFrom $343Free CancellationRating
7.1
11,552 reviews
Search American Airlines flights
SouthwestPriceFrom $354Free CancellationRating
8.0
4,344 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to Costa Rica from Phoenix is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Costa Rica quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Phoenix to Costa Rica flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Phoenix.

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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