Central America

$133+ Cheap flights from Idaho to Central America

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Jan 14 — Jan 211
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Cheap flight deals from Idaho to Central America

Cheapest flights from Idaho to Central America
Explore the most affordable flight options available from Idaho to Central America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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 12/167:11 pmBOI - SJO
1 stop12h 21mUnited Airlines
Thu 12/188:45 amSJO - BOI
2 stops14h 45mUnited Airlines
Deal found 12/13$390
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:58 pmBOI - SJO
2 stops18h 08mDelta
Mon 12/227:00 amSJO - BOI
2 stops17h 53mDelta
Deal found 12/14$420
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/152:20 pmBOI - SJO
1 stop17h 12mUnited Airlines
Mon 12/226:30 amSJO - BOI
2 stops16h 01mUnited Airlines
Deal found 12/14$449
This Southwest deal was found by Cheapflights users on 12/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:50 pmBOI - SJO
2 stops18h 25mSouthwest
Thu 12/182:10 pmSJO - BOI
2 stops11h 35mSouthwest
Deal found 12/13$482
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 12/264:20 pmJAC - SJO
2 stops27h 19mUnited Airlines
Mon 12/298:45 amSJO - JAC
2 stops29h 33mUnited Airlines
Deal found 12/13$505
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/1811:59 pmGEG - BZE
1 stop13h 30mAmerican Airlines
Sat 12/271:33 pmBZE - GEG
1 stop9h 05mAmerican Airlines
Deal found 12/14$635
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/142:20 pmBOI - BZE
2 stops20h 54mUnited Airlines
Mon 12/293:38 pmBZE - BOI
2 stops27h 25mUnited Airlines
Deal found 12/14$649
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/195:12 pmBOI - BZE
1 stop21h 20mUnited Airlines
Thu 1/11:18 pmBZE - BOI
2 stops21h 43mUnited Airlines
Deal found 12/14$659
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/1812:20 pmBOI - BZE
1 stop24h 30mUnited Airlines
Mon 12/293:38 pmBZE - BOI
2 stops27h 25mUnited Airlines
Deal found 12/14$662
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/145:25 pmBOI - BZE
2 stops17h 49mUnited Airlines
Wed 12/311:18 pmBZE - BOI
2 stops33h 13mUnited Airlines
Deal found 12/14$670
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/195:12 pmBOI - BZE
1 stop21h 20mUnited Airlines
Wed 12/311:18 pmBZE - BOI
2 stops33h 13mUnited Airlines
Deal found 12/14$680
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/241:00 pmJAC - SJO
1 stop8h 32mUnited Airlines
Sun 12/286:30 amSJO - JAC
2 stops15h 22mUnited Airlines
Deal found 12/13$697

Find flight deals from Idaho to Central America

Keep the following information in mind while searching for Idaho to Central America flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(United Airlines)

One-way from

$133
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$1,055
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Salvador El Salvador Intl flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Salvador El Salvador Intl flights.
From Idaho to Central America
One-way flight from Idaho to Central America
Highest demand for flights based on searches. 15% potential increase in price ($120 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Central America 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 15, 2025.
Use the filters below to find and compare flights from Idaho to Central America that are best for you.

Fly from

Idaho

Fly to

Central America

Route

Depart

Return

Price

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 2/25

4:02 pm-12:56 pm

2 stops18h 54m

San José Juan Santamaria Intl

Thu 3/19

8:40 am-9:03 pm

1 stop13h 23m

$298

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 1/27

4:10 pm-1:15 pm

2 stops19h 05m

San José Juan Santamaria Intl

Tue 2/3

9:40 am-7:16 pm

1 stop11h 36m

$313

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 1/11

12:24 pm-8:32 am

1 stop18h 08m

San José Juan Santamaria Intl

Sun 1/18

6:30 am-9:22 pm

2 stops16h 52m

$354

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 3/2

6:55 pm-8:32 am

1 stop12h 37m

San José Juan Santamaria Intl

Sun 3/8

9:40 am-11:57 pm

1 stop14h 17m

$381

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 1/29

7:02 pm-11:25 am

2 stops15h 23m

San José Juan Santamaria Intl

Thu 2/5

8:05 pm-11:02 pm

3 stops27h 57m

$385

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 1/27

2:10 pm-12:50 pm

2 stops20h 40m

San José Juan Santamaria Intl

Tue 2/3

9:40 am-8:15 pm

2 stops12h 35m

$392

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 2/9

7:05 pm-8:32 am

1 stop12h 27m

San José Juan Santamaria Intl

Sun 2/15

7:30 am-11:48 pm

1 stop17h 18m

$400

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Fri 1/23

7:00 am-10:00 pm

1 stop14h 00m

San José Juan Santamaria Intl

Sat 1/31

8:45 am-8:42 pm

2 stops12h 57m

$401

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Fri 2/6

2:10 pm-11:43 pm

1 stop8h 33m

San José Juan Santamaria Intl

Fri 2/13

3:04 pm-11:46 am

2 stops21h 42m

$402

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 1/23

12:24 pm-8:32 am

1 stop18h 08m

San José Juan Santamaria Intl

Wed 1/28

9:40 am-7:16 pm

1 stop11h 36m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Central America

Have a flexible travel schedule? Discover the best time to fly to Central America from Idaho 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 Idaho to Central America

What is the cheapest month to book a flight from Idaho to Central America?

Currently, October is the cheapest month in which you can book a flight from Idaho to Central America (average of $162). Flying from Idaho to Central America in December is currently the most expensive (average of $467). 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 ID to CA?

Find hourly flight availability from Idaho to Central America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from Idaho to Central America, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight in the morning.

What is the cheapest day to fly from Idaho to Central America?

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

Travelers seeking maximum savings on their Idaho to Central America flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Central America. 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 Idaho to Central America?

    There are many flights that can get you from Idaho to Central America in 8h 33m. Fly via United Airlines, American Airlines, or Alaska Airlines to get the fastest option. The distance from Idaho to Central America is about 2813 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Idaho to Central America that include hotel bookings?

    Yes. In addition to deals on Idaho to Central America flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Central America?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Central America.

  • Can I find deals for business class flights from Idaho to Central America?

    Yes. Cheapflights offers flight deals from Idaho to Central America 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 Idaho to Central America?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Central America (average of $162). Flying from Idaho to Central America in December is currently the most expensive (average of $467). 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

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Alternative routes for Idaho to Central America

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

Top 5 airlines flying from Idaho to Central America

Discover the top 5 airlines that operate flights from Idaho to Central America. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$141Average$815FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$224Average$670FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$303Average$671FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$376Average$610FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$454Average$752FlexibilityNo cancel feeOn-time63%

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