S$108 Cheap Flights from Boise to San Diego

View S$108 flight on Sat, 10 Jan, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to San Diego Intl. Airport (SAN)

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Cheap Flights from Boise to San Diego (BOI-SAN)

Prices were available within the past 7 days and start at S$108 for one-way flights and S$228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$228 Return, found 3 days ago
S$228
Return
found 3 days ago
Select Delta flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$228 found 3 days ago
Delta
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$254 Return, found 3 days ago
S$254
Return
found 3 days ago
Select Delta flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$254 found 3 days ago
Delta
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$261 Return, found 3 days ago
S$261
Return
found 3 days ago
Select Delta flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$261 found 3 days ago
United
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$267 Return, found 3 days ago
S$267
Return
found 3 days ago
Select United flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$267 found 3 days ago
American Airlines
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$268 Return, found 3 days ago
S$268
Return
found 3 days ago
Select American Airlines flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$268 found 3 days ago
United
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$293 Return, found 3 days ago
S$293
Return
found 3 days ago
Select United flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$293 found 3 days ago
American Airlines
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$294 Return, found 3 days ago
S$294
Return
found 3 days ago
Select American Airlines flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$294 found 3 days ago
United
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$299 Return, found 3 days ago
S$299
Return
found 3 days ago
Select United flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$299 found 3 days ago
American Airlines
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$301 Return, found 3 days ago
S$301
Return
found 3 days ago
Select American Airlines flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$301 found 3 days ago
United
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$312 Return, found 3 days ago
S$312
Return
found 3 days ago
Select United flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$312 found 3 days ago
Delta
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$313 Return, found 3 days ago
S$313
Return
found 3 days ago
Select Delta flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$313 found 3 days ago
United
Sat, 10 Jan - Mon, 12 Jan
BOI
Boise
SAN
San Diego
S$338 Return, found 3 days ago
S$338
Return
found 3 days ago
Select United flight, departing Sat, 10 Jan from Boise to San Diego, returning Mon, 12 Jan, priced at S$338 found 3 days ago

Find the cheapest month to fly from Boise (BOI) to San Diego (SAN)

February is typically the cheapest month to fly

From S$120 - S$233 per traveller.
Boise to San Diego route information
Origin airport
Boise
Destination airport
San Diego Intl.
Return price
S$228
Distance
1200 km
Average flight time
1 hour 52 mins

Perfect flights from Boise to San Diego

Your Journey from Boise to San Diego

Start your unforgettable journey with Expedia. Our broad selection of flights from Boise to San Diego caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from Boise to San Diego Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Boise to San Diego Flights

Experience the joy of finding cheap flights from Boise to San Diego Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$108 and roundtrip prices from S$228*.
 

Pre-Flight Essentials

Ensure a smooth journey from Boise to San Diego with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Diego

Picture yourself stepping off the plane in San Diego and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Boise to San Diego Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Boise to San Diego.
 

Beyond the Flight – Exploring San Diego

With Expedia, your adventure extends beyond the flight. Explore San Diego at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Boise to San Diego with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Boise to San Diego with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from BOI to San Diego Intl. Airport (SAN)?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Boise Airport to San Diego Intl. Airport (SAN) start from S$228. Book now to get the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOI to San Diego Intl. Airport (SAN)?
Most flights can be cancelled online, but whether or not you incur a fee depends on your airline. If you do have to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Boise Airport (BOI) to SAN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Boise Airport (BOI) to San Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Boise Airport to SAN?
It's just 1,200 kilometres from BOI to San Diego Intl. Airport (SAN). Chances are you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from BOI to San Diego Airport?
Southwest Airlines (WN) is one of the preferred choices for many travellers flying between Boise Airport (BOI) and San Diego Intl. Airport (SAN). Choose from the 30 flights it offers on this route each month. Another airline servicing this route is Alaska Airlines (AS). You'll have 30 flights every month to select from.
Are Boise Airport (BOI) to San Diego Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Boise Airport (BOI) to SAN can be hit-or-miss. You may be able to score a great bargain, but you could also miss out completely! If you'd prefer to play it safe and start your trip planning early on, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices so far in advance. Our top tip? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

*Available to Expedia members.