HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Salvador

$229+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAL
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$460
(United Airlines)

One-way from

$229
(United Airlines)

Popular in

December

Cheapest in

September
From Idaho to San Salvador El Salvador Intl
Search Deals
One-way flight from Idaho to San Salvador El Salvador Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($60 potential savings vs. average RT price).
Search Deals

Find flight deals from Idaho to San Salvador

Cheapest flights from Idaho to San Salvador
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 June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 8/184:40 pmBOI - SAL
1 stop12h 10mUnited Airlines
Tue 8/262:00 amSAL - BOI
1 stop11h 30mUnited Airlines
Deal found 6/16$460
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/191:36 pmBOI - SAL
1 stop23h 36mAmerican Airlines
Mon 9/112:36 pmSAL - BOI
2 stops24h 10mAmerican Airlines
Deal found 6/16$520
This Travelocity deal was found by Cheapflights users on 6/17. 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 11/16:58 pmBOI - SAL
2 stops25h 17mMultiple Airlines
Sat 11/85:55 pmSAL - BOI
1 stop20h 45mMultiple Airlines
Deal found 6/17$551
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:00 pmBOI - SAL
2 stops18h 27mDelta
Tue 8/261:52 pmSAL - BOI
2 stops24h 09mDelta
Deal found 6/16$664

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 June 18, 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

Mon 8/18

4:40 pm-4:50 am

1 stop12h 10m

San Salvador El Salvador Intl

Tue 8/26

2:00 am-1:30 pm

1 stop11h 30m

$460

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Tue 8/19

1:36 pm-1:12 pm

1 stop23h 36m

San Salvador El Salvador Intl

Mon 9/1

12:36 pm-12:46 pm

2 stops24h 10m

$520

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Sat 11/1

6:58 pm-8:15 pm

2 stops25h 17m

San Salvador El Salvador Intl

Sat 11/8

5:55 pm-1:40 pm

1 stop20h 45m

$551

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Mon 8/18

6:00 pm-12:27 pm

2 stops18h 27m

San Salvador El Salvador Intl

Tue 8/26

1:52 pm-2:01 pm

2 stops24h 09m

$664

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Wed 7/23

7:15 pm-12:06 pm

2 stops16h 51m

$229

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Wed 7/23

3:35 pm-12:55 pm

1 stop21h 20m

$247

BoiseSan Salvador

BOI - SAL

BOISAL

Boise Air Term. Gowen Fld

Wed 7/23

8:25 pm-12:42 pm

3 stops16h 17m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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 June 18, 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 June 18, 2025.
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What airport do you fly into for flights to San Salvador from Idaho?

    San Salvador El Salvador Intl (SAL), located 20.5 mi from the city center, is the airport you fly into when you book flights from Idaho to San Salvador.

  • Can I find deals for flights from Idaho to San Salvador that include hotel bookings?

    Yes. In addition to deals on Idaho to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to San Salvador?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to San Salvador.

  • Can I find deals for business class flights from Idaho to San Salvador?

    Yes. Cheapflights offers flight deals from Idaho to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Traveling to a place near Idaho?

Book flights to Idaho if you plan to visit one of these locations
Sonsonate
La Libertad
El Cuco
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.
Los Angeles to San Salvador flights
Dulles Intl to San Salvador flights
Hobby to San Salvador flights
John F Kennedy Intl to San Salvador flights
George Bush Intcntl to San Salvador flights
Dallas/Fort Worth to San Salvador flights
Ontario to San Salvador flights
Newark to San Salvador flights
Baltimore to San Salvador flights
Reagan-National to San Salvador flights
Boston to San Salvador flights
Miami to San Salvador flights
LaGuardia to San Salvador flights
Atlanta to San Salvador flights
San Francisco to San Salvador flights
Burbank to San Salvador flights
Las Vegas to San Salvador flights
Love Field to San Salvador flights
Charlotte to San Salvador flights
Raleigh to San Salvador flights
O'Hare Intl to San Salvador flights
Oakland to San Salvador flights
Denver to San Salvador flights
Fayetteville to San Salvador flights
Seattle to San Salvador flights
Orlando to San Salvador flights
Fort Lauderdale to San Salvador flights
Greensboro to San Salvador flights
Minneapolis to San Salvador flights
Austin to San Salvador flights
Tampa to San Salvador flights
Salt Lake City to San Salvador flights
Nashville to San Salvador flights
Santa Ana to San Salvador flights
Philadelphia to San Salvador flights
San Antonio to San Salvador flights
Kansas City to San Salvador flights
Midway to San Salvador flights
Columbus to San Salvador flights
Sky Harbor Intl to San Salvador flights
Jacksonville to San Salvador flights
San Diego to San Salvador flights
Indianapolis to San Salvador flights
San Jose to San Salvador flights
Detroit to San Salvador flights
Fresno to San Salvador flights
Providence to San Salvador flights
Cleveland to San Salvador flights
Little Rock to San Salvador flights
Des Moines to San Salvador flights

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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$452Average$572FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.