Cheap flights from Boise to San Diego International

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Flight deals from Boise to San Diego International

Looking for a cheap last-minute deal or the best round-trip flight from Boise to San Diego International? Find the lowest prices on one-way and round-trip tickets right here.

When is the cheapest time to fly from Boise to San Diego International?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to San Diego International flights are currently cheapest in June.

Direct flights from Boise to San Diego International

Boise to San Diego International: Alternative routes

Compare routes from Boise to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Boise to San Diego: Flight information

The things to know before you go.
Cheapest flight found$142
Cheapest month to flyMay
Average flight time2 hrs, 18 mins
Most popular airlineAlaska Airlines
Average flights per week55

Finding cheap flights from Boise to San Diego International: Frequently asked questions

The best price we found for a round-trip flight from Boise to San Diego International is $142. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 18 minutes is the average flight time from Boise to San Diego International.
Alaska Airlines, Southwest Airlines and SkyWest Airlines fly direct from Boise to San Diego International.
There are 55 flights per week flying from Boise to San Diego International, as of April 2025.
The cheapest month to fly from Boise to San Diego International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to San Diego International Airport on Saturday, May 31, 2025.
Yes – the average flight time is 2 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Hawaiian Airlines and Alaska Airlines offer the cheapest flight tickets to San Diego International.

Flying from Boise Air Terminal (Gowen Field) Airport (BOI) to San Diego International Airport (SAN): what you need to know

  • Around 2 hours 15 minutes is how long you'll be traveling on a direct flight from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport.

  • San Diego's timezone is UTC-7, which makes San Diego one hour behind Boise.

  • Take your pick of 14 weekly Boise Air Terminal (Gowen Field) Airport to San Diego International Airport flights. The 07:00 departure with Alaska Airlines is the earliest flight you can take. Alaska Airlines operates the last service of the day at 19:33.

  • To ensure you get on your BOI to SAN flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • During popular months such as July, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're traveling during a peak period in general.

  • Flying into San Diego (and then discovering more of United States!) is easy with Alaska Airlines. This popular airline has direct flights from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport.

  • The airline that tops the list for bookings on this route is Alaska Airlines.

  • Alaska Airlines is the most punctual carrier that offers BOI to SAN flights, with 78.9% of its services landing on schedule.

  • Think about adding a stopover when booking your ticket from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here are some options between BOI and SAN:

    • Harry Reid Airport (formerly McCarran Airport)

    • Sacramento International Airport

    • Los Angeles International Airport

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to San Diego International Airport (SAN)

  • The lowest price we've seen for a one-way Boise Air Terminal (Gowen Field) Airport to San Diego International Airport flight is $72. A return ticket is currently $142. Depending on the availability and when you book, these fares could change.

  • To secure cheap tickets from BOI to SAN, reserve your trip six months before your departure.

  • The cheapest month for flights from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Spend less time searching for cheap flights from BOI to SAN by setting up a Price Alert. You'll receive an email or push notification on the app when fares go down.

  • Tailor your flights using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • You'll find BOI at 3201 Airport Way.

  • 83.53% of flights leaving Boise Air Terminal (Gowen Field) Airport arrive at their destination on time. With its strong on-time stats, disruptions are unlikely when flying out of BOI.

  • To reach Boise Air Terminal (Gowen Field) Airport from central Boise, it'll take about 20 minutes by car. This depends on traffic, however. It's approximately 18 kilometers from the airport to the city center.

  • The trip when using public transport usually takes 1 hour 35 minutes.

  • Get your vacation off to a leisurely start by staying near BOI. Whether you've booked an early flight from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport or just don't like being rushed, these hotels are ideal:

Arriving at San Diego International Airport (SAN)

  • If you're coming in on a late Boise Air Terminal (Gowen Field) Airport to San Diego International Airport flight, nothing tops the convenience of staying near the terminal. Grab your bags from the carousel and then be tucked up in bed shortly after at one of these accommodation options near SAN:

  • Fast-track your adventure by picking up a San Diego International Airport rental car. Grab your wheels from Thrifty, Dollar or Budget and explore beyond San Diego's main sights.

  • Booking your ride from San Diego International Airport around two weeks ahead boosts your odds of scoring a great price.

Getting from San Diego International Airport (SAN) to central San Diego

  • The address for SAN is Airport Drive.

  • San Diego International Airport to central San Diego has a drive time of about 10 minutes. It's approximately 5 kilometers away.

  • Traveling to the center by public transport will take you roughly 20 minutes.

When to fly to San Diego International Airport (SAN)

  • It's time to pick your travel dates for your flight from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport. July is the most popular month to visit San Diego. If you like a quieter vibe, go in May.

  • Before locking in your flight from Boise Air Terminal (Gowen Field) Airport to San Diego International Airport, think about the type of weather you enjoy. August is the warmest month in San Diego, with temperatures ranging from 17ºC (63ºF) to 28ºC (82ºF).

  • Look for cheap tickets from BOI to SAN in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 7ºC (45ºF) and 23ºC (73ºF) on average.

Explore more of United States

  • San Diego has its own special appeal, but there are so many other parts of United States just waiting to be discovered. Around 177 kilometers north-west of San Diego, a trip to Los Angeles will keep you on the move. Start with leading attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another standout destination in United States and is around 483 kilometers east of San Diego. No trip is complete without visiting Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.