BOI - SAL

$418 Find Cheap Flights from Boise to San Salvador - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$716
Typical prices: $438-$740
United Airlines
Mon 1/22Thu 2/1
BOI - SAL • 2 stops
Cheapest one-way
$418
Typical prices: $341-$428
Multiple Airlines
Sat 12/1
BOI - SAL • 1 stop
Nonstop flights
There are currently no direct flights between Boise and San Salvador. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $682 (round-trip)
Shortest trip • 13h 32m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Salvador!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to San Salvador

Sat, Jan 23 - Sat, Jan 30
United Airlines Logo
6:20 am - 9:19 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
13h 59m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
2:50 pm - 11:16 amSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
21h 26m2 stops Houston George Bush Intcntl San Francisco
$716United Airlines
Mon, Feb 8 - Wed, Feb 10
United Airlines Logo
4:10 pm - 3:24 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
22h 14m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
4:40 pm - 11:05 amSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
19h 25m2 stops Houston George Bush Intcntl San Francisco
$716United Airlines
Thu, Jan 14 - Wed, Jan 20
United Airlines Logo
11:58 am - 5:50 amBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
16h 52m2 stops San Francisco Los Angeles
United Airlines Logo
4:40 pm - 1:29 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
21h 49m2 stops Houston George Bush Intcntl Denver Intl
$716United Airlines
Tue, Jan 26 - Mon, Feb 1
United Airlines Logo
2:35 pm - 5:50 amBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
14h 15m2 stops Denver Intl Los Angeles
United Airlines Logo
3:00 am - 3:01 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
13h 01m2 stops Los Angeles San Francisco
$716United Airlines
Thu, Jan 14 - Wed, Jan 20
United Airlines Logo
4:10 pm - 3:24 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
22h 14m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
4:40 pm - 9:59 amSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
18h 19m2 stops Houston George Bush Intcntl Denver Intl
$716United Airlines
Fri, Jan 22 - Mon, Feb 1
United Airlines Logo
6:20 am - 9:19 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
13h 59m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
3:00 am - 6:29 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
16h 29m2 stops Los Angeles Denver Intl
$716United Airlines
Fri, Jan 22 - Tue, Feb 2
United Airlines Logo
4:10 pm - 1:19 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
20h 09m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
7:00 am - 9:33 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
15h 33m2 stops Houston George Bush Intcntl Denver Intl
$716United Airlines
Fri, Jan 22 - Mon, Feb 1
United Airlines Logo
5:28 pm - 3:24 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
20h 56m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
3:00 am - 3:01 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
13h 01m2 stops Los Angeles San Francisco
$716United Airlines
Sat, Jan 23 - Sat, Jan 30
American Airlines Logo
7:00 am - 2:07 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
30h 07m1 stop Dallas/Fort Worth
American Airlines Logo
3:19 pm - 12:44 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
22h 25m2 stops Miami Dallas/Fort Worth
$731American Airlines
Fri, Jan 22 - Tue, Feb 2
American Airlines Logo
1:35 pm - 2:07 pmBOI  Boise Air Term. Gowen Fld-SAL San Salvador El Salvador Intl
23h 32m1 stop Dallas/Fort Worth
American Airlines Logo
2:05 pm - 12:44 pmSAL  San Salvador El Salvador Intl-BOI Boise Air Term. Gowen Fld
23h 39m2 stops Miami Dallas/Fort Worth
$731American Airlines
Booking Insights

Price, demand and travel trends for Boise to San Salvador flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boise to San Salvador?

Round-trip flights from Boise to San Salvador typically range from $438 to $740. The lowest price found in the past 5 days was $716, on United Airlines.

What's the cheapest day of the week to fly from Boise to San Salvador?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Boise to San Salvador. It’s 29% cheaper than the average day, while Tuesday is the most expensive, with prices 14% higher.

What’s the cheapest month to fly from Boise to San Salvador?

•April is the cheapest month to fly from Boise to San Salvador at $428 round-trip.
•December ($1,030) and November ($795) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 140% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Boise to San Salvador flights

Low season

August

Cheapest flight

$418
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 49% increase in travelers.
One-way 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

Your Boise to San Salvador flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boise to San Salvador?

    Only Economy Class is available on flights from Boise to San Salvador.

  • How long is a flight from Boise to San Salvador?

    A nonstop flight from Boise to San Salvador takes 00m, covering 2,629 miles.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boise to San Salvador flight?

    Round-trip flights from Boise to San Salvador range from $438 to $740, with an average of $598 over the past 12 months. Anything below $438 counts as a good deal.

  • Have flight prices from Boise to San Salvador changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $716 to $3,710. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Boise to San Salvador looking right now?

    One-way fares from Boise to San Salvador are currently higher than usual. Average one-way flight prices are about $535, which is 32% above the typical average for this route.

  • What car rental options are available at San Salvador El Salvador Intl Airport (SAL)?

    San Salvador El Salvador Intl Airport (SAL) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include:

    • Budget
    • Europcar
    • Sixt
    • Hertz
    • Fox

  • Which airports can I use when flying from Boise to San Salvador?

    Flights from Boise to San Salvador usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at San Salvador El Salvador Intl (SAL).

  • Which airports do connecting flights from Boise to San Salvador pass through?

    Connecting flights from Boise to San Salvador most commonly pass through:

    • San Francisco (SFO) - 51% of one-stop connections
    • Los Angeles (LAX) - 49% of one-stop connections

  • Can I save money by using flexible dates for flights from Boise to San Salvador?

    Yes. Flexible dates can save you up to 37% on flights from Boise to San Salvador. Monday is the cheapest departure day at $430 round-trip on average, while Tuesday is the most expensive at $682, a difference of $252.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Boise to San Salvador?

    Flying via Los Angeles (LAX) gives the shortest average 1-stop total travel time at 13h 32m, compared with 13h 43m via San Francisco (SFO).

  • What is the time difference between Boise and San Salvador?

    San Salvador is 1 hour ahead of Boise (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boise to San Salvador flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Tuesday. On this route, Monday flights average $430, about $252 less than Tuesday fares (37% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to San Salvador trip for April. Fares historically average $428 round-trip in that month - typically $602 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Boise to San Salvador

Complete your trip to San Salvador with a hotel stay or car rental