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Costa Rica

$128+ Cheap flights from Gilbert, AZ to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Gilbert to Costa Rica

Cheapest flights from Gilbert to Costa Rica
Explore the most affordable flight options available from Gilbert to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:15 amPHX - LIR
1 stop8h 22mUnited Airlines
Mon 12/298:35 amLIR - PHX
1 stop14h 39mUnited Airlines
Deal found 12/16$395
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:30 amPHX - SJO
1 stop10h 02mUnited Airlines
Tue 12/308:45 amSJO - PHX
1 stop11h 09mUnited Airlines
Deal found 12/16$397
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:25 pmPHX - SJO
1 stop20h 50mUnited Airlines
Sat 12/206:30 amSJO - PHX
1 stop13h 24mUnited Airlines
Deal found 12/16$418
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:00 amPHX - SJO
1 stop14h 45mAmerican Airlines
Mon 12/2212:34 amSJO - PHX
1 stop18h 34mAmerican Airlines
Deal found 12/17$419
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:15 amPHX - LIR
1 stop10h 22mUnited Airlines
Thu 12/2512:50 pmLIR - PHX
1 stop10h 59mUnited Airlines
Deal found 12/16$421
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amPHX - SJO
1 stop12h 14mAmerican Airlines
Sun 12/2112:34 amSJO - PHX
1 stop10h 34mAmerican Airlines
Deal found 12/17$434
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:30 amPHX - SJO
1 stop10h 02mUnited Airlines
Mon 12/2212:35 pmSJO - PHX
1 stop10h 39mUnited Airlines
Deal found 12/16$444
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:15 amPHX - SJO
1 stop8h 01mUnited Airlines
Fri 12/268:45 amSJO - PHX
1 stop11h 09mUnited Airlines
Deal found 12/16$446
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:59 pmPHX - SJO
1 stop8h 54mMultiple Airlines
Sat 12/2710:36 amSJO - PHX
1 stop14h 13mMultiple Airlines
Deal found 12/16$466
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:00 amPHX - SJO
1 stop10h 00mUnited Airlines
Thu 12/256:40 amSJO - PHX
1 stop19h 34mUnited Airlines
Deal found 12/17$474
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amPHX - SJO
1 stop16h 45mAmerican Airlines
Sun 12/283:16 pmSJO - PHX
1 stop9h 13mAmerican Airlines
Deal found 12/17$479
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:15 amPHX - LIR
1 stop10h 22mUnited Airlines
Mon 12/2212:50 pmLIR - PHX
1 stop10h 59mUnited Airlines
Deal found 12/16$549

Find flight deals from Gilbert to Costa Rica

Keep the following information in mind while searching for Gilbert to Costa Rica flight deals. Data was last updated December 18, 2025.

Round-trip from

$283
(Kiwi.com)

One-way from

$140
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$696
From Gilbert to Costa Rica
Search Deals
One-way flight from Gilbert to Costa Rica
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gilbert 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Gilbert to Costa Rica that are best for you.

Fly from

Gilbert

Fly to

Costa Rica

Route

Depart

Return

Price

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 1/24

6:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Wed 1/28

2:31 pm-11:44 pm

1 stop10h 13m

$334

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 1/24

7:15 am-6:16 pm

1 stop10h 01m

San José Juan Santamaria Intl

Sat 2/7

8:45 am-4:53 pm

1 stop9h 08m

$334

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 2/6

5:00 am-11:43 pm

1 stop17h 43m

San José Juan Santamaria Intl

Fri 2/13

12:31 am-6:16 pm

1 stop18h 45m

$334

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 6/2

7:38 pm-7:15 am

1 stop10h 37m

San José Juan Santamaria Intl

Wed 6/10

12:30 am-11:11 am

1 stop11h 41m

$334

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 1/6

4:13 pm-12:50 pm

1 stop19h 37m

Liberia

Tue 1/13

2:05 pm-11:40 pm

1 stop10h 35m

$335

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 3/9

6:00 am-3:08 pm

1 stop8h 08m

Liberia

Wed 3/18

7:35 am-6:13 pm

1 stop11h 38m

$335

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 1/7

9:30 am-6:37 pm

1 stop8h 07m

Liberia

Sun 1/18

9:30 am-11:57 pm

1 stop15h 27m

$365

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Thu 4/23

6:55 pm-12:10 pm

2 stops16h 15m

Liberia

Thu 4/30

1:20 pm-9:20 pm

1 stop9h 00m

$365

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Fri 1/16

8:30 pm-11:15 am

2 stops13h 45m

Liberia

Fri 1/30

2:45 pm-12:11 am

1 stop10h 26m

$369

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 1/5

7:30 pm-1:30 pm

1 stop17h 00m

Liberia

Mon 1/12

2:05 pm-11:40 pm

1 stop10h 35m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 results
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Best time to book a flight from Gilbert to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Gilbert with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Gilbert to Costa Rica

What is the cheapest month to book a flight from Gilbert to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Gilbert to Costa Rica (average of $281). Flying from Gilbert to Costa Rica in February is currently the most expensive (average of $406). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from G1L to CR?

Find hourly flight availability from Gilbert to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Gilbert to Costa Rica is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Gilbert to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Gilbert to Costa Rica. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Gilbert to Costa Rica flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Gilbert to Costa Rica, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Gilbert to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Gilbert to Costa Rica?

    Frontier, United Airlines, and American Airlines can get you from Gilbert to Costa Rica in just under 8h 09m. Your travel time can differ by up to 33h 15m. The distance between Gilbert and Costa Rica is about 2392 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Gilbert to Costa Rica one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $150. Users have also found prices from $150 and $150 on United Airlines and Delta, respectively.

  • Can I find deals for flights from Gilbert to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Gilbert to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gilbert to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gilbert to Costa Rica.

  • Can I find deals for business class flights from Gilbert to Costa Rica?

    Yes. Cheapflights offers flight deals from Gilbert to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Gilbert to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Gilbert to Costa Rica (average of $281). Flying from Gilbert to Costa Rica in February is currently the most expensive (average of $406). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gilbert to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Gilbert to Costa Rica

Discover the top 4 airlines that operate flights from Gilbert to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$333Average$610FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$632FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$602FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$360Average$613FlexibilityNo cancel feeOn-time71%

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