$224+ Cheap flights from Idaho to San Salvador (SAL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAL
Jan 15 — Jan 221
1 adult, Economy
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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
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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
Best flights from Idaho to San SalvadorDiscover carefully curated flight deals from Idaho to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.
Discover carefully curated flight deals from Idaho to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.
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.
Sun 5/31:37 pmBOI - SAL
2 stops21h 13mAmerican Airlines
Sat 5/92:30 pmSAL - BOI
2 stops20h 51mAmerican Airlines
Deal found 12/14![American Airlines logo]()
$224
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:05 amBOI - SAL
1 stop11h 45mMultiple Airlines
Fri 2/65:30 amSAL - BOI
2 stops33h 05mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$320
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 4/284:05 pmBOI - SAL
2 stops12h 45mUnited Airlines
Fri 5/11:50 pmSAL - BOI
2 stops21h 19mUnited Airlines
Deal found 12/13![United Airlines logo]()
$386
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.
Fri 1/235:54 pmBOI - SAL
2 stops19h 27mAmerican Airlines
Fri 2/63:49 pmSAL - BOI
2 stops22h 19mAmerican Airlines
Deal found 12/14![American Airlines logo]()
$224
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:30 amBOI - SAL
2 stops13h 35mMultiple Airlines
Sat 5/96:40 pmSAL - BOI
1 stop17h 28mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$326
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.
Tue 1/132:52 pmBOI - SAL
2 stops22h 29mAmerican Airlines
Tue 1/203:21 pmSAL - BOI
1 stop22h 47mAmerican Airlines
Deal found 12/14![American Airlines logo]()
$393
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 December 16, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $224 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $1,055 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to San 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 December 16, 2025.
Use the filters below to find and compare flights from Idaho to San Salvador that are best for you.
Fly from
Idaho
Fly to
San Salvador
Route
Depart
Return
Price
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Sun 5/3
1:37 pm-10:50 am
2 stops21h 13m
San Salvador El Salvador Intl
Sat 5/9
2:30 pm-11:21 am
2 stops20h 51m
$224
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Fri 1/23
5:54 pm-2:21 pm
2 stops19h 27m
San Salvador El Salvador Intl
Fri 2/6
3:49 pm-1:08 pm
2 stops22h 19m
$224
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Fri 1/23
7:05 am-7:50 pm
1 stop11h 45m
San Salvador El Salvador Intl
Fri 2/6
5:30 am-1:35 pm
2 stops33h 05m
$320
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Sun 5/3
7:30 am-9:05 pm
2 stops13h 35m
San Salvador El Salvador Intl
Sat 5/9
6:40 pm-12:08 pm
1 stop17h 28m
$326
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Tue 4/28
4:05 pm-4:50 am
2 stops12h 45m
San Salvador El Salvador Intl
Fri 5/1
1:50 pm-11:09 am
2 stops21h 19m
$386
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Tue 1/13
2:52 pm-2:21 pm
2 stops22h 29m
San Salvador El Salvador Intl
Tue 1/20
3:21 pm-1:08 pm
1 stop22h 47m
$393
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.
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 San Salvador
What is the cheapest time of day to fly from ID to SAL?
Find hourly flight availability from Idaho to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from Idaho to San Salvador by exploring options for tickets at noon.
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?
Book flights to San Salvador if you plan to visit one of these locationsAcajutla
Sonsonate
El Cuco
La Libertad
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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 December 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$688 | FlexibilityNo cancel fee | On-time69% |