$434+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAL
May 6 — May 131
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Keep the following information in mind while searching for Idaho to San Salvador flight deals. Data was last updated May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $480 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $486 |
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 May 1, 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 May 1, 2025.
This American Airlines deal was found by Cheapflights users on 4/29. 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 4/295:18 pmBOI - SAL
2 stops19h 10mAmerican Airlines
Wed 5/141:45 pmSAL - BOI
2 stops23h 35mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/36:30 amBOI - SAL
2 stops13h 47mUnited Airlines
Sun 5/42:00 amSAL - BOI
1 stop10h 39mUnited Airlines
Deal found 4/29![United Airlines logo]()
$459
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/33:30 pmBOI - SAL
1 stop17h 30mMultiple Airlines
Mon 5/57:30 amSAL - BOI
1 stop30h 01mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$495
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 May 1, 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
Tue 8/19
2:13 pm-4:50 am
1 stop14h 37m
San Salvador El Salvador Intl
Fri 8/22
2:00 am-1:30 pm
1 stop11h 30m
$480
BoiseSan Salvador
BOI - SAL
BOISAL
Boise Air Term. Gowen Fld
Wed 6/4
5:10 pm-1:08 pm
2 stops19h 58m
San Salvador El Salvador Intl
Wed 6/11
12:30 pm-10:56 am
2 stops22h 26m
$584
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 month to book a flight from Idaho to San Salvador?
Currently, September is the cheapest month in which you can book a flight from Idaho to San Salvador (average of $260). Flying from Idaho to San Salvador in December is currently the most expensive (average of $588). 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 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 May 1, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to San Salvador as you normally would.
Rainfall in San Salvador by month
Plan your trip to San Salvador by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Salvador ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit San Salvador when rainfall is around 0.0 in.
Temperature in San Salvador by month
Plan your trip to San Salvador by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).
Reviews of airlines servicing San Salvador
Get insights into the airlines that provide service to San Salvador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Salvador. Reviews last updated May 1, 2025.
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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 Idaho?
Book flights to Idaho if you plan to visit one of these locationsSonsonate
La Libertad
Acajutla
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$452 | Average$584 | FlexibilityNo cancel fee | On-time69% |