IDA - SAN

$131 Find Cheap Flights from Idaho Falls to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho Falls to San Diego departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Idaho Falls to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Idaho Falls to San Diego, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$219
Overall average: $307
United Airlines
Thu 1/8Sat 1/10
IDA - SAN • 1 stop
Cheapest one-way
$131
Typical prices: $180-$255
Delta
Wed 3/25
IDA - SAN • 1 stop
Top airlines
United Airlines
Cheapest • from $219 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
June
Cheapest • 34% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to San Diego!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Idaho Falls to San Diego (IDA-SAN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to San Diego

Thu, Jan 8 - Sat, Jan 10
United Airlines Logo
4:19 pm - 10:37 pm
IDA
-
SAN
7h 18m1 stop
United Airlines Logo
6:30 am - 1:30 pm
SAN
-
IDA
6h 00m1 stop
$219United Airlines
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
4:19 pm - 10:37 pm
IDA
-
SAN
7h 18m1 stop
United Airlines Logo
6:30 am - 1:30 pm
SAN
-
IDA
6h 00m1 stop
$264United Airlines
Sun, Jan 18 - Sat, Jan 24
Delta Logo
5:25 am - 8:49 am
IDA
-
SAN
4h 24m1 stop
Delta Logo
5:45 pm - 10:57 pm
SAN
-
IDA
4h 12m1 stop
$268Delta
Mon, Jan 12 - Thu, Jan 15
Alaska Airlines Logo
6:58 pm - 3:21 pm
IDA
-
SAN
21h 23m2 stops
Alaska Airlines Logo
2:20 pm - 10:59 pm
SAN
-
IDA
7h 39m1 stop
$276Alaska Airlines
Sun, Jan 18 - Sat, Jan 24
Delta Logo
5:25 am - 8:49 am
IDA
-
SAN
4h 24m1 stop
Delta Logo
5:45 pm - 10:57 pm
SAN
-
IDA
4h 12m1 stop
$278Delta
Wed, Jan 7 - Sat, Jan 10
Alaska Airlines Logo
6:58 pm - 10:07 am
IDA
-
SAN
16h 09m1 stop
Alaska Airlines Logo
9:37 am - 6:18 pm
SAN
-
IDA
7h 41m1 stop
$281Alaska Airlines
Mon, Jan 12 - Thu, Jan 15
Alaska Airlines Logo
6:58 pm - 11:55 am
IDA
-
SAN
17h 57m2 stops
Alaska Airlines Logo
2:20 pm - 10:59 pm
SAN
-
IDA
7h 39m1 stop
$286Alaska Airlines
Thu, Feb 5 - Sun, Feb 8
United Airlines Logo
2:40 pm - 8:42 pm
IDA
-
SAN
7h 02m1 stop
United Airlines Logo
6:30 am - 1:30 pm
SAN
-
IDA
6h 00m1 stop
$289United Airlines
Wed, Apr 1 - Wed, Apr 8
Alaska Airlines Logo
6:15 am - 12:47 pm
IDA
-
SAN
7h 32m1 stop
Alaska Airlines Logo
6:15 am - 3:20 pm
SAN
-
IDA
8h 05m1 stop
$294Alaska Airlines
Wed, Jan 7 - Sat, Jan 10
Alaska Airlines Logo
6:58 pm - 9:47 am
IDA
-
SAN
15h 49m2 stops
Alaska Airlines Logo
6:15 am - 6:18 pm
SAN
-
IDA
11h 03m1 stop
$296Alaska Airlines
Booking Insights

KAYAK's insights & trends for Idaho Falls to San Diego flights

Get data-powered insights and trends into flights from Idaho Falls to San Diego to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Idaho Falls to San Diego?

The average price of all round-trip flights from Idaho Falls to San Diego clicked on KAYAK for each day over the last 12 months.

When flying from Idaho Falls to San Diego, you should consider leaving on a Tuesday and avoid Sundays if you are looking for the best rates. For your return to Idaho Falls, you’ll find the best rates on Saturdays and the most expensive ones on Thursdays.

What is the cheapest month to fly from Idaho Falls to San Diego?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Idaho Falls to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Idaho Falls to San Diego is June, where tickets cost $247 (return) on average. On the other hand, the most expensive months are December and October, where the average cost of round-trip tickets is $514 and $495 respectively.

Good to know

Low seasonSeptember
Cheapest flight$131
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from Idaho Falls to San Diego

When to book flights from Idaho Falls to San Diego

Are your dates flexible? Find out the best times to travel from Idaho Falls to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Idaho Falls to San Diego

  • What is the cheapest flight from Idaho Falls to San Diego?

    In the last 3 days, the lowest price for a flight from Idaho Falls to San Diego was $131 for a one-way ticket and $219 for a round-trip.

  • Do I need a passport to fly between Idaho Falls and San Diego?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Idaho Falls to San Diego?

    When flying out of Idaho Falls you will be using Idaho Falls Fanning Field. You will be landing at San Diego, also known as San Diego.

  • Which aircraft models fly most regularly from Idaho Falls to San Diego?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Idaho Falls to San Diego?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Idaho Falls and San Diego, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Idaho Falls to San Diego, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Idaho Falls to San Diego are Alaska Airlines and Delta. With an average price for the route of $389 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $386 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Idaho Falls to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho Falls to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho Falls to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Idaho Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho Falls to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Idaho Falls with another airline. Booking your flights between Idaho Falls and SAN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho Falls to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Idaho Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Idaho Falls to San Diego

 
See real verified KAYAK customer reviews for airlines flying from Idaho Falls to San Diego. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Idaho Falls to San Diego? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11481 reviews
8.5Crew
7.1Food
8.1Boarding
7.0Entertainment
7.8Comfort
Airline reviews

Poor, the last leg of our trip was cancelled and we didn't know about it until we arrived at the airport. Another flight on the same airline was not available until three days later which would have ruined our vacation. Luckily we were able to get re-blooked on another airline after spending hours at the airport.

8.0 ExcellentEvie, Dec 2025
PHX - SAN
Read more Alaska Airlines reviews

Poor, the last leg of our trip was cancelled and we didn't know about it until we arrived at the airport. Another flight on the same airline was not available until three days later which would have ruined our vacation. Luckily we were able to get re-blooked on another airline after spending hours at the airport.

The flight was fine. The connecting flight was a nightmare. Gate change without text or email notification was super frustrating and I ended up missing my connecting flight. Return flight was delayed and had I not quadruple checked flight time, gate and refreshed the Alaska Airlines app every 5 minutes, I would have taken a flight that would not arrive in time for my connecting flight. Ended up flying Delta home.

The flight was delayed so we didn’t get into San Diego until almost 1 AM. Otherwise, it was lovely.

I always like flying with Alaska, great service and leg room

They changed our flight from a one stop 3 hour layover to a non-stop. Saved us hours and got us there sooner.

A very good experience - all staff was friendly and helpful.

My mother suffers from Lupus and has challenges walking. I specifically called Alaska airlines, stated her condition and made sure my mother’s had wheel char assistance towards gate and into the gate hall so she just had to get into the plane and walk a couple of steps. It was assured by Alaska team that the service was granted in both airports , DEN and SAN . In Denver , the wheelchair assistance never arrived. I had to personally grab another airline wheelchair sit my mom.Then I had to go to Alaska Airlines front desk twice to let them know my mother was waiting at the wheelchair service station. Upon arrival to SD Airport , there was no wheelchair service waiting for her in the hall before deplaning. She had to walk her way out in pain. Absolutely inconsiderate and unacceptable by the airline! Never again flying with Alaska Airlines.

Waiting 2 hours after landing to arrive at a gate was ridiculous.

I was a pilot with EAL so my input maters more than the average traveler. The crew at the ticket counter were amazing. I was traveling with a frozen 20 pound turkey from our farm in Oxford Florida and they were over the top in helping me get through TSA. The gate personnel were likewise accommodating. You and Jet Blue are my favorite airlines . Would love to do an add for Alaska Airlines. Nels Siverson

My flight got canceled never left san diego and miss out my fam event

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

The crew took good care of us. The flight from ATL to SFO is a longer one, and there were multiple beverage offerings. I like the 757's that Delta uses. Good airplane that is comfortable. I do wish Delta would separate Priority boarding from the better seats. I would gladly take a smaller seat in an open row than be jammed into Comfort just to get priority boarding, just to make sure I don't have to check a bag.

Gate agent rushed to fill hot jetway with crowd so it took over 12 minutes to go from gate to plane. Just like a discount airline Pooly prepared cabin and third time that claim of rough air prevented any cabin service. Friends on a Southwest flight at similar time had service.

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

Food was surprisingly good but the WiFi was not great

My flight was extremely cold. I had a jacket and a cover was left in each seat. The cover was extremely thin and I have a disability, fibromyalgia and arthrithis and AC air is the worst. I closed my vent and my husbands vent and it still was frigid. I asked the attendant if I could get another cover and she quickly almost dismissively and totally unconcerned stating, (I quote) (one per chair) and walked off so quickly that I didn't get a chance to explain to her that I literally have adisability. I didnt want to make a seen so I set on that flight for over 5 hours in pain, joints locking up and extremely uncomfortable. When my fibromyalgia flares up my joints not only ache but they will lock up also and it takes me days to get back to my regular self even though I take medication for it. I felt like it would not have hurt anyone at all for her to just give me an extra cover because I'm sure they have all types of medical issues in people that fly every day.

Not a "Delta" issue, but a JFK issue: We booked a connecting flight with 3 1/2 hours between to clearn immigration and customs. Our inbound flight (BCN to JFK) was on the taxiway 45 minutes which ate into our layover time. Immigtration was insanely quick with the CBP MPC app; however, clearing TSA (again, after we were ALREADY cleared in Spain on the inbound international flight) took over 95 minutes. This left us with 10 minutes before boarding the connecting flight (JFK to SAN) to walk to the far end of Terminal 4 and try to find food. We didn't find any food that could promise to serve us in under 10 minutes so we boarded the Delta flight after coming off a plance and an 8-hour flight knowing that we wouldn't be served any food on the next 5 1/2 hour flight. I feel like Delta needs to put pressure on the JFK TSA to open more screening stations (by our count, we saw only 5 scanners open and a line of - as we said - over 90 minutes. The insult is that we WERE ALREADY SCREENED through TSA, but as you come off one flight into the USA, you have to go through the whole process again. It seems like if you have a connecting flight, there should be a way to pass through immigration and customs without needing to return through TSA.

There are 4 flights in consecutive gates with about the same departure time. Two flights were boarding at the same time. One was delayed or boarding would be happening at the same time. I am not sure what Delta and LAX need to do to have a better layout at the end of Terminal 2

United needs to step up their game. Delayed flight leaving Seattle, San Francisco. Older aircraft, not very comfortable.

Plane boarded early a quickly, was mostly full. We left close to on time. And landed early.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Flight was timely, relatively comfortable, with decent entertainment and food served. Only problem encountered was with the free messaging which I highly appreciate, but it did not work from iphone to non-iphones.

The internet service I paid for didn’t work at all and the flight crew was not very friendly.

Subject: Formal Complaint: Discriminatory and Unprofessional Conduct – Request for Immediate Action & Compensation Dear [Airline Customer Relations Team], I am writing to file a formal complaint regarding my recent travel experience with [Airline], which was by far the worst I have ever encountered. What occurred was not only unprofessional, but in several instances discriminatory, unsafe, and unacceptable. On the first leg of my trip, I arrived only four minutes past check-in. Instead of making any attempt to resolve the matter, your representative flatly denied me boarding and made me wait while she attended to passengers who arrived after me. By the time a manager intervened, it was too late to board, costing me time, money, and unnecessary frustration. The second leg of my trip (Chicago–San Francisco) raised even more serious concerns. From the outset, it was apparent that the staff—particularly two attendants—prioritized Caucasian passengers while dismissing African American and minority passengers. • When a Caucasian passenger in the exit row refused to comply with federal safety requirements, I, as a first responder, immediately offered to switch seats and assume the responsibility. My offer was blatantly ignored, and instead, a Caucasian passenger seated further up was chosen. This was discriminatory and deeply insulting, especially as I was actively de-escalating the situation that could have delayed the flight further. • During a lengthy tarmac delay of over 90 minutes, passengers were given conflicting and unreasonable instructions that created unnecessary distress and tension. • Throughout the flight, a visibly intoxicated passenger directly in front of me was disruptive, rude to others, failed to comply with seatbelt and electronic device rules, and yet faced no enforcement from the crew. In stark contrast, I was singled out for repeated compliance checks even though I was following every rule. This unequal treatment was so obvious that multiple passengers around me spoke up in my defense. This pattern of behavior demonstrated a clear lack of professionalism, disregard for passenger safety, and discriminatory treatment. I expect far better from an airline of your stature. As a paying customer subjected to this unacceptable treatment, I am formally requesting: 1. A full investigation into the conduct of the staff on both flights. 2. A written apology acknowledging the discriminatory and unprofessional behavior I endured. 3. Appropriate compensation for the distress, inconvenience, and mishandling of my travel. If this matter is not addressed promptly and thoroughly, I will have no choice but to escalate my complaint further, including filing with the U.S. Department of Transportation and sharing my experience through other channels. I trust [Airline] will take this complaint seriously and provide a timely resolution.

Check in was quick and easy during early hours. Flight was on time, and customer services was a plus.

The flight was comfortable with the exit row and great service

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

1. when we went to check in, our 2 first class seats had been CANCELED and the flight was sold out. This was done without our prior knowledge. It was all we could do to restore one first class seat for my wife and I flew economy. 2, Our flight home was scheduled to leave at 10:30 pm. Due to tsunami warnings, the roads were closed and our flight status was uncertain as to whether it would leave as scheduled. It was announced that it would now leave at 11:20 pm and the roads were now open since the tsunami had come and gone. We made a mad dash to the airport and checked in. Delays were announced at 12:30 pm, 1:30 am, 2:30 am and at 3:30 am it was canceled. Since this was a flight due to natural (tsunami) causes, there was no compensation. We were told to return at 1:00 pm the next day and our baggage would be kept on the plane since the same plane was going to leave at 1:00 pm. We had to return to our hotel for the rest of the night. The same plane did not leave at 1:00 pm and our baggage was gone! All in all, it was a miserable performance by UA. Information was hard to obtain and no one knew what was going on and what was going to happen. Hundreds of passengers slept on the floor, chairs, etc. No food and no water was made available to the passengers. It was a situation where UA could care less what was going on. As a one million mile flyer, I had not experienced anything like this before and it was hugely disappointing!

Everything you need to know for your flight from Idaho Falls to San Diego

Information on your arrival and departure airports