Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Phoenix to Costa Rica from $161

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 10/27. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Phoenix to Costa Rica

Cheap round-trip flights

Multiple Airlines Logo
10:58 am - 11:30 amPHX-SJO
23h 32m1 stop
Multiple Airlines Logo
2:20 am - 5:01 pmSJO-PHX
15h 41m2 stops
$317Multiple Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 10
Multiple Airlines Logo
9:32 am - 11:56 pmPHX-SJO
13h 24m1 stop
Multiple Airlines Logo
4:16 pm - 8:01 amSJO-PHX
16h 45m1 stop
$322Multiple Airlines
Find Deal
Sun, Nov 2 - Fri, Nov 7
Spirit Airlines Logo
10:58 am - 11:30 amPHX-SJO
23h 32m1 stop
Spirit Airlines Logo
12:35 pm - 9:53 amSJO-PHX
22h 18m1 stop
$325Spirit Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Spirit Airlines Logo
10:58 am - 11:30 amPHX-SJO
23h 32m1 stop
Spirit Airlines Logo
12:35 pm - 9:53 amSJO-PHX
22h 18m1 stop
$329Spirit Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 25
Delta Logo
10:59 pm - 12:00 pmPHX-LIR
12h 01m1 stop
Delta Logo
1:25 pm - 11:00 pmLIR-PHX
10h 35m1 stop
$339Delta
Find Deal
Mon, Oct 20 - Fri, Oct 24
Delta Logo
6:00 am - 10:07 pmPHX-SJO
15h 07m1 stop
Delta Logo
7:00 am - 12:08 amSJO-PHX
18h 08m1 stop
$345Delta
Find Deal
Fri, Nov 14 - Tue, Nov 25
United Airlines Logo
8:50 pm - 11:25 amPHX-SJO
13h 35m2 stops
United Airlines Logo
8:45 am - 4:31 pmSJO-PHX
8h 46m1 stop
$354United Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 8
American Airlines Logo
12:30 am - 12:19 pmPHX-SJO
10h 49m1 stop
American Airlines Logo
6:22 am - 6:35 pmSJO-PHX
13h 13m1 stop
$355American Airlines
Find Deal
Sun, Nov 16 - Tue, Nov 25
American Airlines Logo
7:40 pm - 12:00 pmPHX-SJO
15h 20m2 stops
American Airlines Logo
2:40 pm - 6:48 amSJO-PHX
17h 08m2 stops
$358American Airlines
Find Deal
Fri, Oct 24 - Wed, Oct 29
United Airlines Logo
4:15 pm - 12:26 pmPHX-SJO
19h 11m1 stop
United Airlines Logo
7:55 am - 3:09 pmSJO-PHX
8h 14m1 stop
$362United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7

Spirit Airlines flights from Phoenix to Costa Rica

Our best Spirit Airlines deals on Phoenix to Costa Rica flight tickets
Spirit Airlines
Oct 17
PHX10:58 amPhoenix Sky Harbor Intl
23h 32m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Oct 19
SJO12:35 pmSan José Juan Santamaria Intl
22h 18m
1 stop
PHX9:53 amPhoenix Sky Harbor Intl
$325
Find similar
Spirit Airlines
Oct 16
PHX10:58 amPhoenix Sky Harbor Intl
23h 32m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Oct 25
SJO12:35 pmSan José Juan Santamaria Intl
22h 18m
1 stop
PHX9:53 amPhoenix Sky Harbor Intl
$329
Find similar
Spirit Airlines
Oct 16
PHX10:58 amPhoenix Sky Harbor Intl
23h 32m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Oct 25
SJO11:37 amSan José Juan Santamaria Intl
23h 16m
2 stops
PHX9:53 amPhoenix Sky Harbor Intl
$338
Find similar

United Airlines flights from Phoenix to Costa Rica

Our best United Airlines deals on Phoenix to Costa Rica flight tickets
United Airlines
Sep 30
PHX3:45 pmPhoenix Sky Harbor Intl
14h 30m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Oct 7
SJO7:55 amSan José Juan Santamaria Intl
10h 49m
1 stop
PHX5:44 pmPhoenix Sky Harbor Intl
$354
Find similar
United Airlines
Oct 4
PHX4:15 pmPhoenix Sky Harbor Intl
19h 11m
1 stop
SJO12:26 pmSan José Juan Santamaria Intl
Oct 7
SJO7:55 amSan José Juan Santamaria Intl
8h 14m
1 stop
PHX3:09 pmPhoenix Sky Harbor Intl
$362
Find similar
United Airlines
Sep 30
PHX3:45 pmPhoenix Sky Harbor Intl
14h 30m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Oct 7
SJO7:55 amSan José Juan Santamaria Intl
13h 17m
2 stops
PHX8:12 pmPhoenix Sky Harbor Intl
$373
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 September 16, 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

Fri 10/31

10:58 am-11:30 am

1 stop23h 32m

San José Juan Santamaria Intl

Mon 11/10

2:20 am-5:01 pm

2 stops15h 41m

$317

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 11/2

9:32 am-11:56 pm

1 stop13h 24m

San José Juan Santamaria Intl

Fri 11/7

4:16 pm-8:01 am

1 stop16h 45m

$322

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 10/17

10:58 am-11:30 am

1 stop23h 32m

San José Juan Santamaria Intl

Sun 10/19

12:35 pm-9:53 am

1 stop22h 18m

$325

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 10/16

10:58 am-11:30 am

1 stop23h 32m

San José Juan Santamaria Intl

Sat 10/25

12:35 pm-9:53 am

1 stop22h 18m

$329

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 10/20

10:59 pm-12:00 pm

1 stop12h 01m

Liberia

Fri 10/24

1:25 pm-11:00 pm

1 stop10h 35m

$339

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 11/14

6:00 am-10:07 pm

1 stop15h 07m

San José Juan Santamaria Intl

Tue 11/25

7:00 am-12:08 am

1 stop18h 08m

$345

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 11/3

8:50 pm-11:25 am

2 stops13h 35m

San José Juan Santamaria Intl

Sat 11/8

8:45 am-4:31 pm

1 stop8h 46m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 11/16

12:30 am-12:19 pm

1 stop10h 49m

San José Juan Santamaria Intl

Tue 11/25

6:22 am-6:35 pm

1 stop13h 13m

$355

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 10/24

7:40 pm-12:00 pm

2 stops15h 20m

San José Juan Santamaria Intl

Wed 10/29

2:40 pm-6:48 am

2 stops17h 08m

$358

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 10/4

4:15 pm-12:26 pm

1 stop19h 11m

San José Juan Santamaria Intl

Tue 10/7

7:55 am-3:09 pm

1 stop8h 14m

$362

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September is your next best option. Flight prices from Phoenix to Costa Rica during September average around $442.

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 $569 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 $485 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

Direct flights

None
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
7,957 reviews
Search Delta flights
Spirit AirlinesPriceFrom $344Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $363Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $366Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $620Free CancellationRating
7.6
1,531 reviews
Search Copa 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/16
Thu 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica