Cheap Flights from San Diego to Boise

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Flight deals from San Diego to Boise

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

Find the cheapest month to fly from San Diego to Boise

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

Direct flights from San Diego to Boise

San Diego to Boise: Alternative routes

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

San Diego to Boise: Flight information

The things to know before you go.
Cheapest flight foundR 618
Cheapest month to flyApril
Average flight time2 hrs, 20 mins
Most popular airlineAlaska Airlines
Average flights per week62

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

The best price we found for a return flight from San Diego to Boise is R 2,124. 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 20 minutes is the average flight time from San Diego to Boise.
Alaska Airlines, Southwest Airlines and Hawaiian Airlines fly direct from San Diego to Boise.
As of April 2025, there are 62 flights per week flying from San Diego to Boise.
The cheapest month to fly from San Diego to Boise is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Boise Airport on Tuesday, 22 April 2025.
Yes – the average flight time is 2 hours and 20 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 Boise 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 Boise is around 40 days in advance, so don’t leave your flight to the last minute.

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

  • All great adventures start at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to Boise Air Terminal (Gowen Field) (BOI) leaving from either of these bases.

  • 2 hours 14 minutes is the average time for a direct flight from San Diego to Boise Air Terminal (Gowen Field).

  • Boise Air Terminal (Gowen Field) is located in Boise. The city operates in the UTC-6 timezone and is 1 hour ahead of San Diego.

  • The busiest route is from San Diego International Airport (SAN) to Boise Air Terminal (Gowen Field) (BOI), with 14 direct services every week. If you want to head off as soon as possible, the earliest flight from SAN to BOI is the 07:00 Alaska Airlines option. If you prefer to travel later, the final departure is at 19:55 with Alaska Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your flight from San Diego to BOI.

  • July is a busy month for air travel. If you're taking off then or during a major holiday like Thanksgiving or Christmas, turn up even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in San Diego

San Diego International Airport (SAN)

  • Fly without interruptions from San Diego International Airport (SAN). Direct flights from San Diego to Boise Air Terminal (Gowen Field) Airport (BOI) operate from here.

  • Southwest Airlines is a leading airline that offers direct flights from San Diego to Boise Air Terminal (Gowen Field) Airport leaving from SAN.

  • SAN is roughly 5 kilometres from the centre of San Diego. To help you work out how to get there, use Google Maps. This useful travel app will give you the fastest route and available public transport options.

  • Need a handy hotel near San Diego International Airport? If you're catching an early flight from San Diego to Boise Air Terminal (Gowen Field) Airport, these accommodation options will have you moments from check-in:

About Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • Boise Air Terminal (Gowen Field) Airport is approximately 18 kilometres from the centre of Boise. With your own car rental or in a cab, the drive is about 18 minutes.

  • When travelling on public transport, expect a journey time of roughly 1 hour and 37 minutes.

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

  • R 618 is the lowest price we've found for a one-way ticket from San Diego to Boise Air Terminal (Gowen Field) Airport. Return flights start from R 2,174. Prices are subject to change based on availability and may vary at the time of booking.

  • Book 9 months before you want to travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from San Diego to BOI.

  • You'll snag the best savings on your tickets from San Diego to Boise Air Terminal (Gowen Field) Airport if you take off in June. Take it one step further and use the 'Whole month' tool to find the cheapest day to fly.

  • Snapping up a cheap ticket from San Diego to BOI is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as the price has dropped.

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

The best time to fly from San Diego to Boise Air Terminal (Gowen Field) Airport (BOI)

  • May is the quietest time to travel to Boise. Alternatively, join the crowds and take off in July. This is the most popular month for flights from San Diego to Boise Air Terminal (Gowen Field) Airport.

  • Schedule your flight from San Diego to BOI for July if you're eager to head to the city during its warmest month. Expect temperatures in Boise to range from 15ºC to 35ºC.

  • Look for cheap flights from San Diego to Boise Air Terminal (Gowen Field) Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -11ºC and 5ºC on average.

More about Boise

  • When it comes to searching for somewhere to lay your head, you'll find the top stays in Boise right here. Explore these hotels after locking in your flight from San Diego to Boise Air Terminal (Gowen Field) Airport:

  • There are so many things to explore in this city it can be hard to work out where to begin. Idaho State Capitol Building, Old Idaho Penitentiary and Zoo Boise are top sights which should be on every Boise itinerary.

Complete your Boise trip with a car rental

  • Once you've booked your hotel and cheap flight from San Diego to Boise Air Terminal (Gowen Field) Airport, the next task is choosing one of our car rentals in Boise. Check out the deals and easily compare your options on price, pick-up convenience, and more.

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