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Cheap flights from Phoenix to Costa Rica from $114

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 1/11. 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.
Frontier Logo
10:31 pm - 1:48 pm
PHX
-
SJO
38h 17m2 stops
Frontier Logo
3:12 pm - 3:25 pm
SJO
-
PHX
25h 13m1 stop
$305Frontier
Mon, Jan 5 - Sat, Jan 17
JetBlue Logo
10:05 pm - 12:00 pm
PHX
-
SJO
12h 55m1 stop
JetBlue Logo
1:05 pm - 10:10 pm
SJO
-
PHX
10h 05m1 stop
$324JetBlue
Mon, Mar 9 - Wed, Mar 18
Multiple Airlines Logo
10:19 am - 11:40 am
PHX
-
SJO
24h 21m2 stops
Multiple Airlines Logo
12:35 pm - 10:12 pm
SJO
-
PHX
10h 37m1 stop
$326Multiple Airlines
Mon, Feb 23 - Wed, Mar 4
United Airlines Logo
11:30 am - 8:39 pm
PHX
-
SJO
8h 09m1 stop
United Airlines Logo
2:20 pm - 10:14 pm
SJO
-
PHX
8h 54m1 stop
$334United Airlines
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
10:55 pm - 2:13 pm
PHX
-
LIR
14h 18m1 stop
American Airlines Logo
1:21 pm - 12:55 am
LIR
-
PHX
12h 34m1 stop
$335American Airlines
Tue, Jan 20 - Tue, Feb 3
Multiple Airlines Logo
3:06 pm - 12:22 pm
PHX
-
SJO
44h 16m2 stops
Multiple Airlines Logo
12:35 pm - 10:50 pm
SJO
-
PHX
11h 15m1 stop
$337Multiple Airlines
Tue, Feb 3 - Thu, Feb 12
United Airlines Logo
11:30 am - 8:39 pm
PHX
-
SJO
8h 09m1 stop
United Airlines Logo
6:30 am - 6:06 pm
SJO
-
PHX
12h 36m2 stops
$338United Airlines
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
10:55 pm - 2:13 pm
PHX
-
LIR
14h 18m1 stop
American Airlines Logo
3:13 pm - 7:49 am
LIR
-
PHX
17h 36m2 stops
$339American Airlines
Tue, Jan 20 - Tue, Feb 3
American Airlines Logo
5:00 am - 11:43 pm
PHX
-
SJO
17h 43m1 stop
American Airlines Logo
6:38 am - 9:47 pm
SJO
-
PHX
16h 09m1 stop
$339American Airlines
Wed, Jan 21 - Sun, Jan 25
Delta Logo
12:59 am - 1:30 pm
PHX
-
LIR
11h 31m1 stop
Delta Logo
1:20 pm - 11:46 pm
LIR
-
PHX
11h 26m1 stop
$345Delta
Mon, Mar 2 - Wed, Mar 11

United Airlines flights from Phoenix to Costa Rica

Our best United Airlines deals on Phoenix to Costa Rica flight tickets
United Airlines
Jan 24
PHX11:30 amPhoenix Sky Harbor Intl
8h 09m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Jan 28
SJO2:20 pmSan José Juan Santamaria Intl
8h 54m
1 stop
PHX10:14 pmPhoenix Sky Harbor Intl
$334
Find similar
United Airlines
Dec 16
PHX6:35 amPhoenix Sky Harbor Intl
11h 02m
2 stops
LIR6:37 pmLiberia
Dec 18
LIR8:35 amLiberia
14h 39m
1 stop
PHX10:14 pmPhoenix Sky Harbor Intl
$335
Find similar
United Airlines
Jan 24
PHX11:30 amPhoenix Sky Harbor Intl
8h 09m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
Jan 28
SJO6:30 amSan José Juan Santamaria Intl
12h 36m
2 stops
PHX6:06 pmPhoenix Sky Harbor Intl
$338
Find similar

Avianca flights from Phoenix to Costa Rica

Our best Avianca deals on Phoenix to Costa Rica flight tickets
Avianca
Jan 21
PHX11:35 amPhoenix Sky Harbor Intl
11h 05m
2 stops
SJO11:40 pmSan José Juan Santamaria Intl
Jan 25
SJO5:45 amSan José Juan Santamaria Intl
14h 27m
2 stops
PHX7:12 pmPhoenix Sky Harbor Intl
$340
Find similar
Avianca
Feb 10
PHX11:35 amPhoenix Sky Harbor Intl
10h 40m
2 stops
SJO11:15 pmSan José Juan Santamaria Intl
Feb 15
SJO7:50 pmSan José Juan Santamaria Intl
26h 01m
2 stops
PHX8:51 pmPhoenix Sky Harbor Intl
$346
Find similar
Avianca
Feb 6
PHX7:00 amPhoenix Sky Harbor Intl
15h 40m
3 stops
SJO11:40 pmSan José Juan Santamaria Intl
Feb 8
SJO7:50 pmSan José Juan Santamaria Intl
25h 47m
2 stops
PHX8:37 pmPhoenix Sky Harbor Intl
$347
Find similar

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 December 11, 2025.
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

Mon 1/5

10:31 pm-1:48 pm

2 stops38h 17m

San José Juan Santamaria Intl

Sat 1/17

3:12 pm-3:25 pm

1 stop25h 13m

$305

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 3/9

10:05 pm-12:00 pm

1 stop12h 55m

San José Juan Santamaria Intl

Wed 3/18

1:05 pm-10:10 pm

1 stop10h 05m

$324

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 2/23

10:19 am-11:40 am

2 stops24h 21m

San José Juan Santamaria Intl

Wed 3/4

12:35 pm-10:12 pm

1 stop10h 37m

$326

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 1/24

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Wed 1/28

2:20 pm-10:14 pm

1 stop8h 54m

$334

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 1/20

10:55 pm-2:13 pm

1 stop14h 18m

Liberia

Tue 2/3

1:21 pm-12:55 am

1 stop12h 34m

$335

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 2/3

3:06 pm-12:22 pm

2 stops44h 16m

San José Juan Santamaria Intl

Thu 2/12

12:35 pm-10:50 pm

1 stop11h 15m

$337

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 1/24

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-6:06 pm

2 stops12h 36m

$338

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 1/20

10:55 pm-2:13 pm

1 stop14h 18m

Liberia

Tue 2/3

3:13 pm-7:49 am

2 stops17h 36m

$339

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 1/21

5:00 am-11:43 pm

1 stop17h 43m

San José Juan Santamaria Intl

Sun 1/25

6:38 am-9:47 pm

1 stop16h 09m

$339

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 3/2

12:59 am-1:30 pm

1 stop11h 31m

Liberia

Wed 3/11

1:20 pm-11:46 pm

1 stop11h 26m

$345

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.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Phoenix. The lowest ticket price found for a Tuesday departure recently was $539. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $665. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from Phoenix to Costa Rica when you can find flight prices for as low as $547. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $631. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $531 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 $427 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 18m

Direct flights

None
The fastest flight from Phoenix to Costa Rica takes 7h 18m
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 $310Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $354Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $361Free CancellationRating
7.2
11,050 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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