BOI - SAL

$441 Find Cheap Flights from Boise to San Salvador

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to San Salvador departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to San Salvador

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to San Salvador, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to San Salvador, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Boise to San Salvador (BOI-SAL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boise to San Salvador that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to San Salvador

Fri, Aug 22 - Wed, Aug 27
Logo
7:30 pm - 9:05 pmBOI-SAL
25h 35m1 stop
Logo
12:05 pm - 11:59 pmSAL-BOI
11h 54m2 stops
$441
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Fri, Aug 22 - Tue, Aug 26
United Airlines Logo
2:13 pm - 4:50 amBOI-SAL
14h 37m1 stop
United Airlines Logo
2:00 am - 1:30 pmSAL-BOI
11h 30m1 stop
$450United Airlines
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Fri, Aug 22 - Tue, Aug 26
United Airlines Logo
2:13 pm - 12:06 pmBOI-SAL
21h 53m2 stops
United Airlines Logo
2:00 am - 1:30 pmSAL-BOI
11h 30m1 stop
$454United Airlines
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Sat, Aug 30 - Sat, Sep 6
Logo
8:27 pm - 7:50 pmBOI-SAL
23h 23m1 stop
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6:40 pm - 7:50 pmSAL-BOI
25h 10m1 stop
$499
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Fri, Aug 22 - Wed, Aug 27
Logo
8:10 am - 7:50 pmBOI-SAL
11h 40m1 stop
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5:40 pm - 7:50 pmSAL-BOI
26h 10m1 stop
$521
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Tue, Aug 19 - Mon, Sep 1
United Airlines Logo
2:13 pm - 4:50 amBOI-SAL
14h 37m1 stop
United Airlines Logo
3:30 pm - 9:42 amSAL-BOI
18h 12m2 stops
$524United Airlines
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Fri, Aug 22 - Wed, Aug 27
Logo
7:30 pm - 4:48 pmBOI-SAL
21h 18m3 stops
Logo
5:45 pm - 6:26 pmSAL-BOI
24h 41m2 stops
$600
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Tue, Aug 19 - Mon, Sep 1
Logo
6:51 pm - 9:55 pmBOI-SAL
27h 04m1 stop
Logo
8:00 am - 10:54 pmSAL-BOI
14h 54m1 stop
$602
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Tue, Aug 19 - Sun, Aug 31
United Airlines Logo
2:13 pm - 4:50 amBOI-SAL
14h 37m1 stop
United Airlines Logo
2:00 am - 1:30 pmSAL-BOI
11h 30m1 stop
$639United Airlines
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Fri, Aug 22 - Wed, Aug 27
American Airlines Logo
7:00 am - 1:12 pmBOI-SAL
30h 12m1 stop
American Airlines Logo
2:40 pm - 12:46 pmSAL-BOI
22h 06m1 stop
$791American Airlines
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KAYAK's insights & trends for Boise to San Salvador flights

Get data-powered insights and trends into flights from Boise to San Salvador to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Boise to San Salvador?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Boise to San Salvador were found on United Airlines ($450) and American Airlines ($791).

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Good to know

Low seasonSeptember
High seasonOctober
Cheapest flight$441
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from Boise to San Salvador

When to book flights from Boise to San Salvador

Are your dates flexible? Find out the best times to travel from Boise to San Salvador based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boise to San Salvador

  • What is the cheapest flight from Boise to San Salvador?

    In the last 3 days, the lowest price for a flight from Boise to San Salvador was $441 for a round-trip ticket.

  • Do I need a passport to fly between Boise and San Salvador?

    A passport is required to fly from Boise to San Salvador.

  • Which airports will I be using when flying from Boise to San Salvador?

    When flying out of Boise you will be using Boise Air Term. Gowen Fld. You will be landing at San Salvador, also known as San Salvador El Salvador Intl.

  • Which aircraft models fly most regularly from Boise to San Salvador?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boise to San Salvador?

    Star Alliance, and oneworld are the airline alliances operating flights between Boise and San Salvador, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Boise to San Salvador?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boise to San Salvador.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boise to San Salvador?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Salvador from Boise is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boise to San Salvador?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Salvador with an airline and back to Boise with another airline. Booking your flights between Boise and SAL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boise to San Salvador?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Salvador from Boise up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Boise to San Salvador

 
See real verified KAYAK customer reviews for airlines flying from Boise to San Salvador. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boise to San Salvador? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8838 reviews
7.0Entertainment
7.7Boarding
8.1Crew
6.6Food
7.3Comfort
Airline reviews

online check in was not available so i had to get to airport extra early. The flight was delayed and my luggage was lost. I had an argument with the person behind me who wanted to keep her bag on the floor and not allow my seat to recline on a 9hr plus flight. So overall, lots and lots of areas for improvement.

6.0 GoodAnonymous, Jun 2025TPA - FRA
Read more United Airlines reviews

online check in was not available so i had to get to airport extra early. The flight was delayed and my luggage was lost. I had an argument with the person behind me who wanted to keep her bag on the floor and not allow my seat to recline on a 9hr plus flight. So overall, lots and lots of areas for improvement.

Horrific. They missed my connecting flight to San Diego. I didn’t get there until Monday at 9am when I had a mandatory court settlement conference scheduled at 6am since we had parties on the east coast. This caused many issues. All because United apparently forgot to hold the doors open until my flight landed that only had a 10 minute delay. This was the last flight to Southern California. So I couldn’t even rent a car to finish the trip. United cannot be trusted when traveling on specific days and times since weather didn’t have anything to do with the delays.

My flight was delayed a very short period of time but they did not hold my connecting flight to San Diego, also through United. So they closed the doors before we got off our plane. They would only have to help the door open for another five to ten minutes. So I missed a court deadline for a manditory mediation settlement conference for my client. I had to get an associate to be there in person and be on the phone with him relaying what he needs to do the entire time. The court was very upset with me and so was my client. United cannot be trusted.

Very rough getting into denver. my kid threw up it was so rough.

We were given vouchers we couldn’t use with a 5.5 hour delay

Cramped seat even in economy plus seat 10A. Over booked flight, no space for the bags

Why wasn't this flight departure scheduled eith another crew so that it could leave on time? When we arrived in Denver we had so little time between flights we had run to the connecting flight. We should received some credit for the inconvenience.

Really good 😊 the woman at the gate entrance was a little rude checking in our carry-on but i dont think she worked for the airline, she worked for the airport at sacramento, other than that amazing.

The flight was operated by Lufthansa. You can't expect much from them anymore. They have a talent in getting something wrong.

Gate agent did not hold flight for connection, provided no assistance to get new flight

Everything you need to know for your flight from Boise to San Salvador

Information on your arrival and departure airports

Boise (BOI)
San Salvador (SAL)

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