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El Salvador

$187+ Cheap flights from Idaho to El Salvador

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Idaho to El Salvador

Cheapest flights from Idaho to El Salvador
Explore the most affordable flight options available from Idaho to El Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

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 5/32:14 pm
BOI
-
SAL
2 stops22h 29m
American Airlines
Sat 5/91:43 pm
SAL
-
BOI
2 stops21h 07m
American Airlines
Deal found 1/27$245
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:14 pm
BOI
-
SAL
1 stop11h 01m
Multiple Airlines
Sat 5/98:00 am
SAL
-
BOI
1 stop15h 01m
Multiple Airlines
Deal found 1/27$399
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.
Tue 2/246:25 am
BOI
-
SAL
2 stops22h 20m
United Airlines
Thu 2/264:40 pm
SAL
-
BOI
2 stops31h 58m
United Airlines
Deal found 1/26$421
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:16 am
BOI
-
SAL
1 stop20h 59m
Multiple Airlines
Tue 3/315:30 pm
SAL
-
BOI
1 stop28h 10m
Multiple Airlines
Deal found 1/27$426
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:16 am
BOI
-
SAL
1 stop11h 34m
Multiple Airlines
Tue 3/177:45 am
SAL
-
BOI
1 stop14h 30m
Multiple Airlines
Deal found 1/28$475

Find flight deals from Idaho to El Salvador

Keep the following information in mind while searching for Idaho to El Salvador flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(American Airlines)

One-way from

$187
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,010
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Salvador El Salvador Intl flights.
Search Deals
From Idaho to El Salvador
Search Deals
One-way flight from Idaho to El Salvador
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 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 Idaho to El Salvador 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 Idaho to El Salvador that are best for you.

Fly from

Idaho

Fly to

El Salvador

Route

Depart

Return

Price

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Sun 5/3

2:14 pm-12:43 pm

2 stops22h 29m

San Salvador El Salvador Intl

Sat 5/9

1:43 pm-10:50 am

2 stops21h 07m

$245

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Sun 5/3

7:14 pm-6:15 am

1 stop11h 01m

San Salvador El Salvador Intl

Sat 5/9

8:00 am-11:01 pm

1 stop15h 01m

$399

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Tue 2/24

6:25 am-5:45 am

2 stops22h 20m

San Salvador El Salvador Intl

Thu 2/26

4:40 pm-11:38 pm

2 stops31h 58m

$421

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Sun 2/15

8:16 am-6:15 am

1 stop20h 59m

San Salvador El Salvador Intl

Tue 3/31

5:30 pm-9:40 pm

1 stop28h 10m

$426

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Thu 3/12

8:16 am-7:50 pm

1 stop11h 34m

San Salvador El Salvador Intl

Tue 3/17

7:45 am-10:15 pm

1 stop14h 30m

$475

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Mon 3/30

6:04 pm-1:48 pm

3 stops19h 44m

$187

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Sun 3/29

7:40 am-8:50 pm

1 stop13h 10m

$222

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Tue 3/31

8:28 pm-5:30 pm

2 stops21h 02m

$224

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Sat 3/28

8:28 pm-7:40 pm

2 stops23h 12m

$235

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Tue 3/31

7:11 am-4:50 am

1 stop21h 39m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 13 results
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Best time to book a flight from Idaho to El Salvador

Have a flexible travel schedule? Discover the best time to fly to El Salvador 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 El Salvador

What is the cheapest month to book a flight from Idaho to El Salvador?

Currently, May is the cheapest month in which you can book a flight from Idaho to El Salvador (average of $268). Flying from Idaho to El Salvador in January is currently the most expensive (average of $1,010). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to El Salvador. 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 El Salvador?

    There are many flights that can get you from Idaho to El Salvador in 22h 29m. Fly via American Airlines to get the fastest option. The distance from Idaho to El Salvador is about 2629 mi.

  • Can I find deals for flights from Idaho to El Salvador that include hotel bookings?

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

  • How can I find direct flights from Idaho to El Salvador?

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

  • Can I find deals for business class flights from Idaho to El Salvador?

    Yes. Cheapflights offers flight deals from Idaho to El Salvador 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 El Salvador?

    Currently, May is the cheapest month in which you can book a flight from Idaho to El Salvador (average of $268). Flying from Idaho to El Salvador in January is currently the most expensive (average of $1,010). 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 El Salvador

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho to El Salvador

Discover the top airline that operate flights from Idaho to El Salvador. 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
United AirlinesCheapest$234Average$572FlexibilityNo cancel feeOn-time69%

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