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Costa Rica

$140+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:10 pm
PHX
-
SJO
2 stops18h 12m
Multiple Airlines
Wed 3/412:35 pm
SJO
-
PHX
1 stop10h 37m
Multiple Airlines
Deal found 1/28$304
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:10 pm
PHX
-
SJO
2 stops41h 30m
Multiple Airlines
Sat 3/712:35 pm
SJO
-
PHX
1 stop13h 09m
Multiple Airlines
Deal found 1/29$339
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/36:40 am
PHX
-
SJO
2 stops10h 36m
United Airlines
Mon 3/911:35 am
SJO
-
PHX
1 stop11h 09m
United Airlines
Deal found 1/27$345
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 4/1310:30 am
PHX
-
SJO
1 stop8h 07m
United Airlines
Thu 4/168:45 am
SJO
-
PHX
1 stop16h 14m
United Airlines
Deal found 1/27$346
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 2/2310:55 pm
PHX
-
LIR
1 stop14h 18m
American Airlines
Wed 3/43:32 pm
LIR
-
PHX
1 stop17h 15m
American Airlines
Deal found 1/27$349
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 4/69:55 pm
PHX
-
LIR
1 stop12h 33m
American Airlines
Thu 4/162:40 pm
LIR
-
PHX
1 stop10h 15m
American Airlines
Deal found 1/27$350
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 4/1310:30 am
PHX
-
SJO
1 stop8h 07m
United Airlines
Mon 4/278:45 am
SJO
-
PHX
1 stop16h 14m
United Airlines
Deal found 1/26$356
This American Airlines deal was found by Cheapflights users on 1/27. 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 3/112:51 am
PHX
-
SJO
1 stop18h 21m
American Airlines
Tue 3/107:00 am
SJO
-
PHX
1 stop18h 34m
American Airlines
Deal found 1/27$359
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:15 pm
PHX
-
SJO
2 stops18h 07m
Multiple Airlines
Tue 3/1011:35 am
SJO
-
PHX
1 stop13h 14m
Multiple Airlines
Deal found 1/27$360
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:59 pm
PHX
-
SJO
1 stop10h 41m
Multiple Airlines
Tue 3/1011:35 am
SJO
-
PHX
2 stops31h 11m
Multiple Airlines
Deal found 1/28$362
This United Airlines deal was found by Cheapflights users on 1/28. 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 7/268:30 am
PHX
-
SJO
1 stop10h 07m
United Airlines
Thu 7/3012:30 am
SJO
-
PHX
1 stop11h 41m
United Airlines
Deal found 1/28$366
This United Airlines deal was found by Cheapflights users on 1/27. 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 9/26:00 am
PHX
-
SJO
2 stops12h 37m
United Airlines
Wed 9/301:30 pm
SJO
-
PHX
2 stops11h 34m
United Airlines
Deal found 1/27$371

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 January 29, 2026.

Round-trip from

$304
(Kiwi.com)

One-way from

$147
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$505
From Gilbert to Costa Rica
Search Deals
One-way flight from Gilbert to Costa Rica
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

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

Tue 2/24

11:59 pm-11:40 am

1 stop10h 41m

San José Juan Santamaria Intl

Tue 3/3

12:35 pm-1:44 pm

2 stops26h 09m

$377

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 5/18

7:05 pm-12:10 pm

2 stops16h 05m

Liberia

Thu 5/28

11:10 am-8:42 pm

1 stop10h 32m

$383

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 2/24

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Tue 3/3

9:40 am-7:26 pm

1 stop10h 46m

$383

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 3/9

11:51 pm-1:13 pm

2 stops12h 22m

Liberia

Mon 3/16

2:13 pm-9:33 am

1 stop20h 20m

$385

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 5/12

11:55 pm-12:10 pm

1 stop11h 15m

San José Juan Santamaria Intl

Mon 5/18

9:00 am-11:35 pm

1 stop15h 35m

$397

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 3/11

5:31 pm-11:55 am

1 stop17h 24m

Liberia

Mon 3/16

7:35 am-3:55 pm

1 stop9h 20m

$403

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 4/26

5:00 am-1:00 pm

1 stop7h 00m

San José Juan Santamaria Intl

Sat 5/2

12:25 pm-9:10 pm

1 stop9h 45m

$412

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 5/12

10:17 pm-11:07 am

2 stops11h 50m

San José Juan Santamaria Intl

Mon 5/18

2:22 pm-9:18 am

1 stop19h 56m

$431

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Thu 4/30

6:00 am-2:23 pm

1 stop7h 23m

Liberia

Sun 5/3

3:25 pm-8:37 am

1 stop18h 12m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 37 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 $288). Flying from Gilbert to Costa Rica in June 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.

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 January 29, 2026.
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
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

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
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

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
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

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
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

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
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

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?

    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 2h 29m. 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 $288). Flying from Gilbert to Costa Rica in June 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$164Average$572FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$345Average$626FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$588FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$356Average$603FlexibilityNo cancel feeOn-time71%

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