$187+ Cheap flights from Idaho to San Salvador (SAL)
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.
Find cheap flights from Idaho to San Salvador with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to San Salvador
Cheapest flights from Idaho to San SalvadorExplore the most affordable flight options available from Idaho to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Idaho to San 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.
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.
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.
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.
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.
Find flight deals from Idaho to San Salvador
Keep the following information in mind while searching for Idaho to San 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 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Idaho to San Salvador that are best for you.
Fly from
Fly to
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
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
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
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
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
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Mon 3/30
6:04 pm-1:48 pm
3 stops19h 44m
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Sun 3/29
7:40 am-8:50 pm
1 stop13h 10m
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Tue 3/31
8:28 pm-5:30 pm
2 stops21h 02m
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Sat 3/28
8:28 pm-7:40 pm
2 stops23h 12m
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Tue 3/31
7:11 am-4:50 am
1 stop21h 39m
Best time to book a flight from Idaho to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San Salvador from Idaho with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Idaho to San Salvador
What is the cheapest month to book a flight from Idaho to San Salvador?
Currently, May is the cheapest month in which you can book a flight from Idaho to San Salvador (average of $268). Flying from Idaho to San 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 San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Salvador?
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Alternative routes for Idaho to San Salvador
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Idaho to San Salvador
Discover the top airline that operate flights from Idaho to San 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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$234 | Average$572 | FlexibilityNo cancel fee | On-time69% |