$459+ Cheap flights from Boise (BOI) 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
Apr 27 — May 41
1 adult, Economy
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Find cheap flights from Boise 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 Boise to San Salvador
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to San Salvador (SAL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 22, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Popular in | December |
Cheapest in | September |
Average price | $572 |
Find flight deals from Boise to San Salvador
Cheapest flights from Boise to San SalvadorExplore the most affordable flight options available from Boise to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
Explore the most affordable flight options available from Boise to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
This United Airlines deal was found by Cheapflights users on 4/22. 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 4/2911:00 amBOI - SAL
2 stops27h 23mUnited Airlines
Wed 5/146:00 amSAL - BOI
2 stops15h 42mUnited Airlines
Deal found 4/22![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 4/22. 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 4/297:05 amBOI - SAL
1 stop29h 23mAmerican Airlines
Wed 5/141:45 pmSAL - BOI
1 stop23h 00mAmerican Airlines
Deal found 4/22![American Airlines logo]()
$647
Compare providers for flights from Boise to San Salvador
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to San Salvador in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-San Salvador flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boise-San Salvador flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boise-San Salvador flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-San Salvador flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San Salvador flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San Salvador from Boise 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 Boise to San Salvador
What is the cheapest month to book a flight from Boise to San Salvador?
Currently, September is the cheapest month in which you can book a flight from Boise to San Salvador (average of $260). Flying from Boise 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 BOI to SAL?
Find hourly flight availability from Boise 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 April 22, 2025.
A simple way to save on the total cost of your ticket is to fly from Boise to San Salvador in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the afternoon.
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).
Related info for your journey
Find useful and relevant information for your journey from Boise 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 Boise?
Book flights to Boise if you plan to visit one of these locationsSonsonate
La Libertad
Acajutla
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Complete your trip
Complete your trip to San Salvador by adding a car rental and/or hotel reservation to your travel itinerary.
Top 2 airlines flying from Boise to San Salvador
Discover the top 2 airlines that operate flights from Boise 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 April 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$452 | Average$594 | FlexibilityNo cancel fee | On-time69% |