$152+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAL
nov. 29 — dic. 61
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
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
Keep the following information in mind while searching for Idaho to San Salvador flight deals. Data was last updated octubre 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $493 (Kiwi.com) |
One-way from | $152 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $531 |
Find 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 octubre 30, 2025.
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 octubre 30, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/51:25 pmBOI - SAL
2 stops21h 58mMultiple Airlines
mar. 12/99:00 amSAL - BOI
1 stop15h 59mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:25 amBOI - SAL
1 stop11h 25mMultiple Airlines
lun. 12/83:52 pmSAL - BOI
2 stops24h 34mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/510:35 amBOI - SAL
2 stops25h 44mUnited Airlines
mar. 12/96:55 amSAL - BOI
2 stops17h 49mUnited Airlines
Deal found 10/28![United Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/42:20 pmBOI - SAL
2 stops24h 04mUnited Airlines
dom. 12/73:00 amSAL - BOI
1 stop11h 35mUnited Airlines
Deal found 10/28![United Airlines logo]()
$774
This Copa Airlines deal was found by Cheapflights users on 10/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/101:50 pmBOI - SAL
2 stops29h 45mCopa Airlines
sáb. 1/35:03 amSAL - BOI
2 stops18h 37mCopa Airlines
Deal found 10/27![Copa Airlines logo]()
$1,411
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/106:03 amBOI - SAL
2 stops31h 45mMultiple Airlines
sáb. 1/38:00 amSAL - BOI
1 stop16h 02mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$1,432
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/101:50 pmBOI - SAL
1 stop14h 55mUnited Airlines
vie. 1/23:00 amSAL - BOI
1 stop20h 30mUnited Airlines
Deal found 10/27![United Airlines logo]()
$1,544
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 octubre 30, 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
lun. 3/9
7:07 am-8:19 pm
2 stops13h 12m
San Salvador El Salvador Intl
mié. 3/11
5:55 am-9:08 pm
2 stops15h 13m
$554
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
jue. 1/22
10:48 am-5:45 am
2 stops17h 57m
San Salvador El Salvador Intl
dom. 2/1
4:40 pm-11:25 am
2 stops19h 45m
$574
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
jue. 1/22
1:58 pm-2:21 pm
1 stop23h 23m
San Salvador El Salvador Intl
dom. 2/1
3:21 pm-7:25 pm
1 stop29h 04m
$601
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
jue. 12/4
8:25 am-8:50 pm
1 stop11h 25m
San Salvador El Salvador Intl
lun. 12/8
3:52 pm-3:26 pm
2 stops24h 34m
$660
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
jue. 12/4
2:20 pm-3:24 pm
2 stops24h 04m
San Salvador El Salvador Intl
lun. 12/8
4:40 pm-11:34 am
2 stops19h 54m
$694
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
lun. 11/17
7:00 pm-3:24 pm
2 stops19h 24m
$269
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
vie. 12/5
5:25 pm-9:19 pm
2 stops26h 54m
$295
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
lun. 11/17
6:28 am-8:55 am
3 stops25h 27m
$296
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
vie. 12/5
1:17 pm-1:44 pm
1 stop23h 27m
$516
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 octubre 30, 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.
How much does it cost to fly round-trip from Idaho to San Salvador?
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 locationsSonsonate
El Cuco
La Libertad
Acajutla
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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 octubre 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$479 | Average$634 | FlexibilityNo cancel fee | On-time69% |