How long is the flight from Boise to Costa Rica?

United Airlines and Alaska Airlines can get you from Boise to Costa Rica in just under 12h 27m. Your travel time can differ by up to 2h 24m. There are 3008 mi between Boise and Costa Rica. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

What are the most popular airlines that fly from Boise to Costa Rica?

Consider United Airlines, American Airlines or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from Boise to Costa Rica.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Costa Rica as you normally would.

What airport do you fly from for flights from Boise to Costa Rica?

Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Costa Rica. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

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

How can I find direct flights from Boise to Costa Rica?

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

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

Yes. Cheapflights offers flight deals from Boise 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.

$188+ Flights from Boise to Costa Rica

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Cheap flight deals from Boise to Costa Rica

Cheapest flights from Boise to Costa Rica
Explore the most affordable flight options available from Boise to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.

vie. 12/268:30 amBOI - LIR

1 stop10h 01mUnited Airlines

mar. 12/3012:50 pmLIR - BOI

1 stop9h 41mUnited Airlines

Deal found 12/26

$715

lun. 12/292:10 pmBOI - SJO

1 stop17h 22mUnited Airlines

sáb. 1/37:30 amSJO - BOI

1 stop14h 56mUnited Airlines

Deal found 12/26

$829

lun. 12/295:00 amBOI - LIR

1 stop10h 08mUnited Airlines

dom. 1/43:50 pmLIR - BOI

2 stops22h 46mUnited Airlines

Deal found 12/26

$1,149

lun. 12/298:21 pmBOI - SJO

3 stops49h 54mMultiple Airlines

sáb. 1/36:00 amSJO - BOI

2 stops18h 02mMultiple Airlines

Deal found 12/26

$1,715

Best flights from Boise to Costa Rica
Discover carefully curated flight deals from Boise to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 28, 2025.

mié. 2/47:05 pmBOI - SJO

1 stop12h 27mUnited Airlines

mar. 2/109:40 amSJO - BOI

1 stop15h 08mUnited Airlines

Deal found 12/27

$313

lun. 3/28:16 amBOI - SJO

1 stop14h 51mAlaska Airlines

mar. 3/31:27 amSJO - BOI

2 stops23h 32mAlaska Airlines

Deal found 12/26

$388

mar. 1/66:08 amBOI - SJO

2 stops15h 22mMultiple Airlines

mar. 1/131:43 pmSJO - BOI

2 stops24h 25mMultiple Airlines

Deal found 12/27

$459

mar. 1/201:40 pmBOI - LIR

2 stops22h 10mDelta

mar. 1/272:05 pmLIR - BOI

2 stops23h 55mDelta

Deal found 12/26

$493

mar. 1/205:16 pmBOI - SJO

2 stops24h 00mUnited Airlines

vie. 1/236:30 amSJO - BOI

2 stops18h 18mUnited Airlines

Deal found 12/26

$428

dom. 2/228:22 pmBOI - LIR

2 stops20h 36mAlaska Airlines

vie. 2/277:08 pmLIR - BOI

2 stops28h 32mAlaska Airlines

Deal found 12/26

$458

mié. 1/75:16 pmBOI - SJO

2 stops24h 00mUnited Airlines

mié. 1/148:45 amSJO - BOI

2 stops16h 03mUnited Airlines

Deal found 12/26

$442

mié. 1/2111:20 amBOI - LIR

2 stops25h 10mDelta

mié. 1/283:05 pmLIR - BOI

2 stops28h 23mDelta

Deal found 12/27

$493

mié. 4/86:04 pmBOI - LIR

2 stops12h 16mAlaska Airlines

mar. 4/146:12 pmLIR - BOI

2 stops21h 17mAlaska Airlines

Deal found 12/27

$480

lun. 2/210:48 amBOI - SJO

1 stop20h 44mUnited Airlines

dom. 2/86:40 amSJO - BOI

2 stops40h 12mUnited Airlines

Deal found 12/26

$456

mié. 4/156:04 pmBOI - LIR

2 stops12h 16mAlaska Airlines

mar. 4/216:12 pmLIR - BOI

2 stops21h 21mAlaska Airlines

Deal found 12/27

$480

mié. 2/42:20 pmBOI - SJO

1 stop17h 12mUnited Airlines

dom. 2/86:40 amSJO - BOI

1 stop14h 11mUnited Airlines

Deal found 12/27

$483

dom. 3/19:00 amBOI - LIR

2 stops20h 45mAlaska Airlines

mié. 3/411:20 amLIR - BOI

2 stops23h 20mAlaska Airlines

Deal found 12/26

$487

mar. 1/62:20 pmBOI - SJO

1 stop17h 12mUnited Airlines

mié. 1/149:40 amSJO - BOI

1 stop15h 08mUnited Airlines

Deal found 12/27

$483

dom. 5/177:22 pmBOI - LIR

1 stop10h 58mAlaska Airlines

mié. 5/2711:20 amLIR - BOI

1 stop11h 38mAlaska Airlines

Deal found 12/27

$489

dom. 5/317:22 pmBOI - LIR

1 stop10h 58mAlaska Airlines

mié. 6/106:39 pmLIR - BOI

1 stop15h 33mAlaska Airlines

Deal found 12/27

$489

dom. 5/246:03 pmBOI - LIR

2 stops12h 17mAlaska Airlines

mar. 6/211:20 amLIR - BOI

1 stop11h 38mAlaska Airlines

Deal found 12/27

$493

dom. 5/101:28 pmBOI - LIR

2 stops16h 52mAlaska Airlines

mié. 5/2011:20 amLIR - BOI

2 stops22h 00mAlaska Airlines

Deal found 12/27

$493

Last-minute flights from Boise to Costa Rica
Discover last-minute flight deals from Boise to Costa Rica. Data last updated diciembre 28, 2025 and is based on user searches.

mar. 1/66:08 amBOI - SJO

2 stops15h 22mMultiple Airlines

mar. 1/131:43 pmSJO - BOI

2 stops24h 25mMultiple Airlines

Deal found 12/27

$459

mar. 1/62:20 pmBOI - SJO

1 stop17h 12mUnited Airlines

mié. 1/149:40 amSJO - BOI

1 stop15h 08mUnited Airlines

Deal found 12/27

$483

mar. 1/66:41 amBOI - SJO

2 stops12h 03mAmerican Airlines

mar. 1/131:43 pmSJO - BOI

2 stops24h 25mAmerican Airlines

Deal found 12/26

$500

mié. 1/77:05 pmBOI - SJO

1 stop12h 27mUnited Airlines

mié. 1/148:45 amSJO - BOI

2 stops16h 03mUnited Airlines

Deal found 12/26

$442

mar. 1/2010:48 amBOI - SJO

1 stop20h 44mUnited Airlines

vie. 1/236:30 amSJO - BOI

2 stops16h 22mUnited Airlines

Deal found 12/26

$413

mar. 1/201:40 pmBOI - LIR

2 stops22h 10mDelta

mar. 1/272:05 pmLIR - BOI

2 stops23h 55mDelta

Deal found 12/26

$493

mar. 1/207:05 amBOI - LIR

1 stop9h 56mAlaska Airlines

jue. 1/2911:20 amLIR - BOI

1 stop27h 15mAlaska Airlines

Deal found 12/27

$497

mar. 1/203:18 pmBOI - LIR

2 stops19h 54mAmerican Airlines

mar. 1/273:23 pmLIR - BOI

1 stop22h 45mAmerican Airlines

Deal found 12/26

$504

mar. 1/201:00 pmBOI - LIR

2 stops22h 50mDelta

mié. 1/282:05 pmLIR - BOI

2 stops21h 19mDelta

Deal found 12/27

$513

mar. 1/207:05 amBOI - LIR

1 stop9h 56mAlaska Airlines

mié. 1/2811:20 amLIR - BOI

2 stops13h 39mAlaska Airlines

Deal found 12/27

$517

mié. 1/211:58 pmBOI - LIR

2 stops21h 14mAmerican Airlines

mié. 1/283:23 pmLIR - BOI

1 stop22h 45mAmerican Airlines

Deal found 12/27

$524

vie. 1/307:05 amBOI - SJO

3 stops27h 20mMultiple Airlines

dom. 2/87:50 pmSJO - BOI

2 stops42h 45mMultiple Airlines

Deal found 12/26

$466

One-way flights from Boise to Costa Rica
Search for one-way flight options from Boise to Costa Rica. Find affordable one-way fares based on user searches. Data last updated diciembre 28, 2025.

jue. 1/2910:48 amBOI - SJO

1 stop20h 44mUnited Airlines

Deal found 12/26

$188

jue. 1/291:58 pmBOI - SJO

1 stop8h 45mAmerican Airlines

Deal found 12/27

$208

Find flight deals from Boise to Costa Rica

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$313 (United Airlines)
One-way from	$188 (United Airlines)
Popular in	December
Cheapest in	January
Average price	$968

Provider with most accurate pricing for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flights.

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From Boise Air Term. Gowen Fld to Costa Rica

Search Deals

One-way flight from Boise Air Term. Gowen Fld to Costa Rica

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($36 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mié. 2/4

7:05 pm-8:32 am

1 stop12h 27m

San José Juan Santamaria Intl

mar. 2/10

9:40 am-11:48 pm

1 stop15h 08m

$313

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

lun. 3/2

8:16 am-12:07 am

1 stop14h 51m

San José Juan Santamaria Intl

mar. 3/3

1:27 am-11:59 pm

2 stops23h 32m

$388

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 1/20

5:16 pm-6:16 pm

2 stops24h 00m

San José Juan Santamaria Intl

vie. 1/23

6:30 am-11:48 pm

2 stops18h 18m

$428

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mié. 1/7

5:16 pm-6:16 pm

2 stops24h 00m

San José Juan Santamaria Intl

mié. 1/14

8:45 am-11:48 pm

2 stops16h 03m

$442

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

lun. 2/2

10:48 am-8:32 am

1 stop20h 44m

San José Juan Santamaria Intl

dom. 2/8

6:40 am-9:52 pm

2 stops40h 12m

$456

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

dom. 2/22

8:22 pm-5:58 pm

2 stops20h 36m

Liberia

vie. 2/27

7:08 pm-10:40 pm

2 stops28h 32m

$458

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 1/6

6:08 am-10:30 pm

2 stops15h 22m

San José Juan Santamaria Intl

mar. 1/13

1:43 pm-1:08 pm

2 stops24h 25m

$459

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

mié. 4/8

6:04 pm-6:20 am

2 stops12h 16m

Liberia

mar. 4/14

6:12 pm-3:29 pm

2 stops21h 17m

$480

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

mié. 4/15

6:04 pm-6:20 am

2 stops12h 16m

Liberia

mar. 4/21

6:12 pm-3:33 pm

2 stops21h 21m

$480

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mié. 2/4

2:20 pm-8:32 am

1 stop17h 12m

San José Juan Santamaria Intl

dom. 2/8

6:40 am-7:51 pm

1 stop14h 11m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 20 results

Best time to book a flight from Boise to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Boise 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 Boise to Costa Rica

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

Currently, October is the cheapest month in which you can book a flight from Boise to Costa Rica (average of $162). Flying from Boise to Costa Rica in December is currently the most expensive (average of $575). 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 a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Boise to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Alaska Airlines

8.0

Very good

11,551 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Southwest

8.0

Very good

4,256 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Delta

7.9

Good

8,019 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

United Airlines

7.4

Good

9,113 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

American Airlines

7.2

Good

11,072 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

What airport do you fly from for flights from Boise to Costa Rica?
Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Costa Rica. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.
How long is the flight from Boise to Costa Rica?
United Airlines and Alaska Airlines can get you from Boise to Costa Rica in just under 12h 27m. Your travel time can differ by up to 2h 24m. There are 3008 mi between Boise and Costa Rica. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Boise to Costa Rica that include hotel bookings?
Yes. In addition to deals on Boise to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Costa Rica?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Costa Rica.
Can I find deals for business class flights from Boise to Costa Rica?
Yes. Cheapflights offers flight deals from Boise 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 Boise to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Boise to Costa Rica (average of $162). Flying from Boise to Costa Rica in December is currently the most expensive (average of $575). 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

Alternative routes for Boise to Costa Rica

Top 5 airlines flying from Boise to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$141	Average$815	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$303	Average$564	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$309	Average$591	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$376	Average$614	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$454	Average$752	FlexibilityNo cancel fee	On-time63%

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$188+ Cheap flights from Boise (BOI) 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Costa Rica with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Costa Rica

Cheapest flights from Boise to Costa RicaExplore the most affordable flight options available from Boise to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.

Explore the most affordable flight options available from Boise to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.

Find flight deals from Boise to Costa Rica

Keep the following information in mind while searching for Boise to Costa Rica flight deals. Data was last updated diciembre 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Costa Rica that are best for you.

Best time to book a flight from Boise to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Boise with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Costa Rica

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Boise to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from Boise to Costa Rica?

How long is the flight from Boise to Costa Rica?

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

How can I find direct flights from Boise to Costa Rica?

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

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

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 Boise to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Boise to Costa Rica

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Book with Flexibility

Travel Smart

Cheapest flights from Boise to Costa Rica
Explore the most affordable flight options available from Boise to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.