Cheap flights from San Diego to Idaho from $57
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Idaho departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Diego to Idaho
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from San Diego to Idaho
Our best Spirit Airlines deals on San Diego to Idaho flight tickets
Hawaiian Airlines flights from San Diego to Idaho
Our best Hawaiian Airlines deals on San Diego to Idaho flight tickets
See travel insights to Idaho from
How to get the cheapest flight ticket from San Diego to Idaho
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Idaho?
In general, April is the cheapest month to fly from San Diego to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $237. If you don’t want to visit Idaho in April, then you should wait until May to fly from San Diego, when ticket prices are also cheap, with an average price of $269.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $317. On the other hand, Saturday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $498.
What is the cheapest time of day to depart on your flight to Idaho?
According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from San Diego to Idaho at noon for as low as $267. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $479 per ticket.
What is the cheapest San Diego to Idaho flight route?
Fly from San Diego to Boise Air Term. Gowen Fld for the best San Diego - Idaho flight prices
How far in advance should I book a flight to Idaho?
You are more likely to see cheaper flights to Idaho from San Diego when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $317 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from San Diego for as low as $205 on momondo.
What cabin class options are available on San Diego to Idaho flights?
There are 4 cabin classes available to choose from on San Diego to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Diego to Idaho?
Spirit Airlines, Alaska Airlines, and Delta are the most popular carriers operating from San Diego to Idaho
What airlines fly to Idaho?
Alaska Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Idaho from San Diego according to our data. Alaska Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 8 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to Idaho on average per day?
As of June 2025, 9 flights take off from San Diego and land in Idaho each day. The most common flight departure time for this route is 8:00PM, with 44% of daily flights taking off in the evening.
How many flights depart from San Diego to Idaho on average per week?
66 flights are operational weekly from San Diego to Idaho as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
Cheap San Diego to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Idaho
When did momondo last update prices for flights from San Diego Airport to Idaho?
Prices for flights from San Diego Airport to Idaho refresh daily.
How many operators does momondo search for flights from San Diego Airport to Idaho?
As of June 2025, there are 7 operators available to choose from for flights from San Diego Airport to Idaho.
How old do you have to be to fly from San Diego Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Diego to Idaho?
momondo data reveals that the most frequently booked plane model on the route from San Diego to Idaho is Embraer 175, representing 54.67% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 25.06%, Boeing 737 MAX 8 at 9.11%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 2.96%.
Best airlines flying from San Diego to Idaho
Compare and see reviews for airlines that fly from San Diego to Idaho with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $88 | Free Cancellation | Rating 6.3 8,064 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $184 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $187 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 7.8 2,504 reviews | |||
| PriceFrom $264 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Diego to Idaho?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Idaho. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Diego to Idaho with flexible booking policies on momondo?
momondo does allow users to show only those flights to Idaho from San Diego which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Diego to Idaho?
momondo provides multiple filters to help you find the best flight to Idaho from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Diego to Idaho right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Diego to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.