$203 Cheap Flights from San Juan (SJU) to Boise (BOI)

View $203 flight on Thu, May 29, 2025Opens in a new window
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Cheap Flights from San Juan to Boise (SJU-BOI)

Prices were available within the past 7 days and start at $203 for one-way flights and $405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 24 - Sun, Feb 1
SJU
San Juan
BOI
Boise
$405 Roundtrip, found 3 days ago
$405
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 24 from San Juan to Boise, returning Sun, Feb 1, priced at $405 found 3 days ago
Southwest Airlines
Sun, Sep 21 - Tue, Sep 30
SJU
San Juan
BOI
Boise
$411 Roundtrip, found 4 days ago
$411
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sun, Sep 21 from San Juan to Boise, returning Tue, Sep 30, priced at $411 found 4 days ago
Southwest Airlines
Fri, May 30 - Mon, Jun 2
SJU
San Juan
BOI
Boise
$422 Roundtrip, found 3 days ago
$422
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, May 30 from San Juan to Boise, returning Mon, Jun 2, priced at $422 found 3 days ago
Southwest Airlines
Fri, May 30 - Mon, Jun 2
SJU
San Juan
BOI
Boise
$427 Roundtrip, found 3 days ago
$427
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, May 30 from San Juan to Boise, returning Mon, Jun 2, priced at $427 found 3 days ago
Southwest Airlines
Sun, Sep 21 - Tue, Sep 30
SJU
San Juan
BOI
Boise
$431 Roundtrip, found 4 days ago
$431
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sun, Sep 21 from San Juan to Boise, returning Tue, Sep 30, priced at $431 found 4 days ago
Southwest Airlines
Fri, May 30 - Mon, Jun 2
SJU
San Juan
BOI
Boise
$436 Roundtrip, found 3 days ago
$436
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, May 30 from San Juan to Boise, returning Mon, Jun 2, priced at $436 found 3 days ago
Southwest Airlines
Sun, Sep 21 - Tue, Sep 30
SJU
San Juan
BOI
Boise
$436 Roundtrip, found 4 days ago
$436
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sun, Sep 21 from San Juan to Boise, returning Tue, Sep 30, priced at $436 found 4 days ago
American Airlines
Wed, Nov 5 - Thu, Nov 13
SJU
San Juan
BOI
Boise
$450 Roundtrip, found 5 days ago
$450
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 5 from San Juan to Boise, returning Thu, Nov 13, priced at $450 found 5 days ago
Spirit Airlines
Fri, Sep 19 - Sat, Sep 27
SJU
San Juan
BOI
Boise
$578 Roundtrip, found 22 hours ago
$578
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Fri, Sep 19 from San Juan to Boise, returning Sat, Sep 27, priced at $578 found 22 hours ago
Alaska Airlines
Fri, Jun 13 - Sun, Jun 22
SJU
San Juan
BOI
Boise
$823 Roundtrip, found 6 hours ago
$823
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Fri, Jun 13 from San Juan to Boise, returning Sun, Jun 22, priced at $823 found 6 hours ago

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI) cost?
Discover the latest flight deals from SJU to BOI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJU to BOI?
The cheapest flights from SJU to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJU to BOI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SJU to BOI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI)?
You’ll have to take a flight with a layover when traveling from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SJU to BOI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI)?
Book a flight from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI) last-minute?
Booking your plane ticket from SJU to BOI just before your getaway is usually more expensive. However, if there’s some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SJU to BOI flight and hotel package?
Opting for a SJU to BOI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Boise Airport (BOI)?
If you reserved your SJU to BOI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.
*Available to One Key members.