What is the cheapest airline to fly from San Diego to Idaho Falls round-trip?

Currently priced at $84, Allegiant Air will fly you from San Diego to Idaho Falls and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Allegiant Air is currently priced 78% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from San Diego to Idaho Falls one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $209. Users have also found prices from $363 and $536 on American Airlines and United Airlines, respectively.

What are the most popular airlines that fly from San Diego to Idaho Falls?

The most popular airlines flying from San Diego to Idaho Falls are American Airlines, Delta and Allegiant Air. Something to consider prior to booking your flight.

What are the cheapest flights from San Diego to Idaho Falls?

Looking for the cheapest flight from San Diego to Idaho Falls? While on average our users pay $92, our data indicates the cheapest price to be $41. The most popular route (San Diego - Idaho Falls Fanning Field), is priced around $82.

Can I find flights from San Diego to Idaho Falls for under $100 on Cheapflights?

Yes, there are multiple flights from San Diego to Idaho Falls for under $100. The cheapest flight booked recently is on Allegiant Air for just $84, but on average you can expect to pay $148.

Are there nonstop flights from San Diego to Idaho Falls for under $100 on Cheapflights?

Cheapflights has at least 8 direct flights from San Diego to Idaho Falls under $100. A good price for a nonstop flight from San Diego to Idaho Falls is less than $117.

Are there last-minute flights available from San Diego to Idaho Falls for under $100?

There are currently 20+ open flights from San Diego to Idaho Falls within the next 7 days for less than $100.

Which airlines flying from San Diego to Idaho Falls Fanning Field have flexible cancellations due to COVID-19?

Allegiant Air, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What is the cheapest day to fly round-trip from San Diego to Idaho Falls?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 336% on the overall cost on flights from San Diego to Idaho Falls.

How far in advance should I book a flight from San Diego to Idaho Falls?

To save up to 88% on this flight, we recommend booking at least 55 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Diego to Idaho Falls from $333 1-2 weeks out and tickets from $499 for flights departing within the next 72 hours.

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

Our data shows that August tends to be the cheapest month to fly to Idaho Falls from San Diego. Users have commonly found prices around $383 for the month, but tickets can be as low as $98. Due to multiple factors, prepare for potentially higher prices in March.

When is the cheapest time to fly from San Diego to Idaho Falls (SAN - IDA)?

A simple way to save on the total cost of your ticket is to fly from San Diego to Idaho Falls in the evening. If you’re flexible enough to do this you can expect to save up to 81% on your trip compared to booking a flight at noon.

What does SAN to IDA mean?

SAN stands for San Diego Airport, while IDA stands for Idaho Falls Fanning Field Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Flights from San Diego, CA to Idaho Falls, ID from $65

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SAN — IDA

Jun 6 — Jun 131

Round-tripOne-way

1 adult, Economy

We work with more than 300 partners to bring you better travel deals

The best prices from San Diego to Idaho Falls Fanning Field are usually found in August or July, booked 54 days in advance, depart on a Wednesday or Friday and return on a Wednesday

How to find the cheapest flight from San Diego (SAN) to Idaho Falls (IDA)

Popular in	March
Cheapest in	August
Round-trip from	$408
One-way from	$209

High demand for flights, 35% potential price rise

Search Deals

Best time to find cheap flights, 72% potential price drop

Search Deals

From San Diego to Idaho Falls Fanning Field

Search Deals

One-way flight from San Diego to Idaho Falls Fanning Field

Search Deals

SAN - IDA Price	$408 - $730
IDA Temperature	23 - 69.8 °F
IDA Rainfall	0.6 - 2 inches

SAN - IDA

Price

$408 - $730

IDA

Temperature

23 - 69.8 °F

IDA

Rainfall

0.6 - 2 inches

Cheap flights from San Diego to Idaho Falls in June, July 2023

These are some of the most attractive deals on flights from San Diego to Idaho Falls in 2023. Check back soon for alternative fares.

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$65

Allegiant Air

Deal found 5/30

Jun 8 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$78

Allegiant Air

Deal found 5/31

Jun 11 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$84

Allegiant Air

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$88

Allegiant Air

Deal found 6/1

Jun 8 - Jun 12

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

23h 47m

$99

Multiple Airlines

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$100

Multiple Airlines

Deal found 5/30

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$101

Multiple Airlines

Deal found 5/31

Jul 27 - Jul 30

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$103

Allegiant Air

Deal found 5/31

Jul 6 - Jul 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$114

Allegiant Air

Deal found 5/31

San Diego to Idaho Falls 2023 flight deals

These are some of the most attractive deals on flights from San Diego to Idaho Falls in 2023. Check back soon for alternative fares.

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$65

Allegiant Air

Deal found 5/30

Jun 8 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$78

Allegiant Air

Deal found 5/31

Jun 11 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$84

Allegiant Air

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$88

Allegiant Air

Deal found 6/1

Aug 10 - Aug 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 12m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$93

Allegiant Air

Deal found 5/31

Jun 8 - Jun 12

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

23h 47m

$99

Multiple Airlines

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$100

Multiple Airlines

Deal found 5/30

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$101

Multiple Airlines

Deal found 5/31

Jul 27 - Jul 30

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$103

Allegiant Air

Deal found 5/31

Cheap Allegiant Air flights from San Diego to Idaho Falls

Take a look at some of the lowest-priced Allegiant Air flights heading from San Diego to Idaho Falls. Be sure to come back soon if the deals available don't appeal to you at this time.

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$65

Allegiant Air

Deal found 5/30

Jun 8 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$78

Allegiant Air

Deal found 5/31

Jun 11 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$84

Allegiant Air

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$88

Allegiant Air

Deal found 6/1

Aug 10 - Aug 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 12m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$93

Allegiant Air

Deal found 5/31

Jul 27 - Jul 30

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$103

Allegiant Air

Deal found 5/31

Jul 6 - Jul 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$114

Allegiant Air

Deal found 5/31

Jul 6 - Jul 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$118

Allegiant Air

Deal found 6/1

Jul 27 - Jul 30

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$126

Allegiant Air

Deal found 6/1

Cheap United Airlines flights from San Diego to Idaho Falls

Some of the lowest-priced United Airlines flights we've found at this time heading from San Diego to Idaho Falls. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Jun 7 - Jun 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 25m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

14h 25m

$500

United Airlines

Deal found 5/31

Jun 7 - Jun 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

2 stops

13h 44m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

16h 21m

$505

United Airlines

Deal found 5/31

Jun 7 - Jun 12

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 25m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

14h 25m

$530

United Airlines

Deal found 5/31

Jun 7 - Jun 12

SAN

San Diego

IDA

Idaho Falls Fanning Field

2 stops

13h 44m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

14h 25m

$535

United Airlines

Deal found 5/31

Non-stop flights to Idaho Falls from San Diego

Consider booking one of these non-stop flights heading from San Diego to Idaho Falls. Select from other flights from San Diego to Idaho Falls by using the search form above.

Jun 11 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$84

Allegiant Air

Deal found 5/31

Aug 10 - Aug 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 12m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$93

Allegiant Air

Deal found 5/31

Jul 27 - Jul 30

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$103

Allegiant Air

Deal found 5/31

Jul 6 - Jul 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$114

Allegiant Air

Deal found 5/31

Jul 6 - Jul 13

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$118

Allegiant Air

Deal found 6/1

Jul 27 - Jul 30

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$126

Allegiant Air

Deal found 6/1

Jun 25 - Jul 2

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$150

Allegiant Air

Deal found 6/1

Jul 16 - Jul 23

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 11m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 09m

$151

Allegiant Air

Deal found 5/31

Last minute flights from San Diego to Idaho Falls

Users seeking a last-minute flight from San Diego to Idaho Falls should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$65

Allegiant Air

Deal found 5/30

Jun 8 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$78

Allegiant Air

Deal found 5/31

Jun 11 - Jun 15

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$84

Allegiant Air

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$88

Allegiant Air

Deal found 6/1

Jun 8 - Jun 12

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

23h 47m

$99

Multiple Airlines

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$100

Multiple Airlines

Deal found 5/30

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$101

Multiple Airlines

Deal found 5/31

Jun 8 - Jun 16

SAN

San Diego

IDA

Idaho Falls Fanning Field

Nonstop

2h 14m

IDA

Idaho Falls Fanning Field

SAN

San Diego

1 stop

11h 09m

$119

Multiple Airlines

Deal found 5/31

Jun 8 - Jun 11

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

11h 51m

IDA

Idaho Falls Fanning Field

SAN

San Diego

Nonstop

2h 14m

$136

Multiple Airlines

Deal found 6/1

One-way flights to Idaho Falls from San Diego

Users traveling one-way from San Diego to Idaho Falls can select one of these great deals. For those needing a return trip from San Diego, there is a search form available above.

Sep 10

SAN

San Diego

IDA

Idaho Falls Fanning Field

2 stops

22h 07m

$155

Multiple Airlines

Deal found 5/31

Sep 10

SAN

San Diego

IDA

Idaho Falls Fanning Field

3 stops

27h 07m

$178

Multiple Airlines

Deal found 5/31

Sep 10

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

17h 13m

$191

Multiple Airlines

Deal found 6/1

Sep 6

SAN

San Diego

IDA

Idaho Falls Fanning Field

2 stops

43h 12m

$193

Multiple Airlines

Deal found 6/1

Sep 10

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

17h 13m

$199

Multiple Airlines

Deal found 5/31

Jul 24

SAN

San Diego

IDA

Idaho Falls Fanning Field

2 stops

9h 21m

$204

Multiple Airlines

Deal found 5/31

Sep 6

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

3h 40m

$209

Delta

Deal found 6/1

Sep 6

SAN

San Diego

IDA

Idaho Falls Fanning Field

3 stops

53h 42m

$258

Multiple Airlines

Deal found 6/1

Jul 24

SAN

San Diego

IDA

Idaho Falls Fanning Field

1 stop

20h 54m

$363

American Airlines

Deal found 5/31

Find flights from San Diego to Idaho Falls within your budget

Fly from

Fly to

Budget

$84 - $158

Route

Depart

Return

Price

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Sun 6/11

Nonstop2h 14m

Idaho Falls Fanning Field

Thu 6/15

Nonstop2h 14m

$84

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 8/10

Nonstop2h 12m

Idaho Falls Fanning Field

Sun 8/13

Nonstop2h 09m

$93

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 7/27

Nonstop2h 11m

Idaho Falls Fanning Field

Sun 7/30

Nonstop2h 09m

$103

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 7/6

Nonstop2h 11m

Idaho Falls Fanning Field

Thu 7/13

Nonstop2h 09m

$114

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 7/6

Nonstop2h 11m

Idaho Falls Fanning Field

Thu 7/13

Nonstop2h 09m

$118

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 7/27

Nonstop2h 11m

Idaho Falls Fanning Field

Sun 7/30

Nonstop2h 09m

$126

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Sun 6/11

1 stop13h 41m

Idaho Falls Fanning Field

Thu 6/15

Nonstop2h 14m

$137

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 7/6

1 stop11h 48m

Idaho Falls Fanning Field

Thu 7/13

Nonstop2h 09m

$153

Pick Dates

San DiegoIdaho Falls Fanning Field

SAN - IDA

SANIDA

San Diego

Thu 6/29

Nonstop2h 14m

Idaho Falls Fanning Field

Mon 7/3

1 stop11h 09m

$158

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing Idaho Falls

To help decide which airline to fly from San Diego to Idaho Falls, see what other customers have to say about Allegiant Air and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,372 reviews

Check prices

Reviews

1 / 10

Delta accidentally tagged my bag for the wrong flight leaving me without any of my clothes and shoes for my trip.

Delta

8.0

Very good

2,372 reviews

Delta

8.0

Very good

2,372 reviews

Check prices

Reviews

1 / 10

Delta accidentally tagged my bag for the wrong flight leaving me without any of my clothes and shoes for my trip.

United Airlines

7.6

Good

1,535 reviews

Delta

8.0

Very good

2,372 reviews

Check prices

Reviews

1 / 10

Delta accidentally tagged my bag for the wrong flight leaving me without any of my clothes and shoes for my trip.

Allegiant Air

7.6

Good

101 reviews

Delta

8.0

Very good

2,372 reviews

Check prices

Reviews

1 / 10

Delta accidentally tagged my bag for the wrong flight leaving me without any of my clothes and shoes for my trip.

American Airlines

7.3

Good

2,149 reviews

Delta

8.0

Very good

2,372 reviews

Check prices

Reviews

1 / 10

Delta accidentally tagged my bag for the wrong flight leaving me without any of my clothes and shoes for my trip.

Related info for your journey

Alternative routes for San Diego to Idaho Falls

Burbank to Boisefrom $69 pp

Oakland to Idaho Fallsfrom $98 pp

Los Angeles to Boisefrom $99 pp

San Francisco to Boisefrom $99 pp

Sacramento to Boisefrom $109 pp

Santa Ana to Idaho Fallsfrom $110 pp

Top 3 airlines flying from San Diego to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Allegiant Air	Cheapest$78	Average$107	FlexibilityNo cancel fee	On-time88%	COVID-19 safety	Search Allegiant Air flights
American Airlines	Cheapest$360	Average$565	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$395	Average$602	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

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Cheap flights from San Diego to Idaho Falls (SAN - IDA) from $65

This is the cheapest one-way flight price, found on 5/30. Prices may vary by date and flight preferences.

The best prices from San Diego to Idaho Falls Fanning Field are usually found in August or July, booked 54 days in advance, depart on a Wednesday or Friday and return on a Wednesday

How to find the cheapest flight from San Diego (SAN) to Idaho Falls (IDA)

All the information you need to plan the best SAN to IDA flight in 2023: compare San Diego to Idaho Falls flight prices with the expected peak season, weather and rainfall in Idaho Falls.

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from San Diego to Idaho Falls?

How far in advance should I book a flight from San Diego to Idaho Falls?

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

When is the cheapest time to fly from San Diego to Idaho Falls (SAN - IDA)?

Cheap flights from San Diego to Idaho Falls in June, July 2023

The best prices found for SAN to IDA flights for June, July

These are some of the most attractive deals on flights from San Diego to Idaho Falls in 2023. Check back soon for alternative fares.

San Diego to Idaho Falls 2023 flight deals

Cheap flights to Idaho Falls from San Diego found for this year

These are some of the most attractive deals on flights from San Diego to Idaho Falls in 2023. Check back soon for alternative fares.

Cheap Allegiant Air flights from San Diego to Idaho Falls

Take a look at some of the lowest-priced Allegiant Air flights heading from San Diego to Idaho Falls. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap United Airlines flights from San Diego to Idaho Falls

Some of the lowest-priced United Airlines flights we've found at this time heading from San Diego to Idaho Falls. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Non-stop flights to Idaho Falls from San Diego

Save time with San Diego to Idaho Falls direct flight deals

Consider booking one of these non-stop flights heading from San Diego to Idaho Falls. Select from other flights from San Diego to Idaho Falls by using the search form above.

Last minute flights from San Diego to Idaho Falls

Late deals on return flights to Idaho Falls from San Diego, departing today and this week

Users seeking a last-minute flight from San Diego to Idaho Falls should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.

One-way flights to Idaho Falls from San Diego

The cheapest one-way flights from San Diego to Idaho Falls

Users traveling one-way from San Diego to Idaho Falls can select one of these great deals. For those needing a return trip from San Diego, there is a search form available above.

Find flights from San Diego to Idaho Falls within your budget

Use the slider to find flights from San Diego to Idaho Falls that fit your budget.

Reviews of Airlines Servicing Idaho Falls

To help decide which airline to fly from San Diego to Idaho Falls, see what other customers have to say about Allegiant Air and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about San Diego to Idaho Falls flights.

Which airlines flying from San Diego to Idaho Falls Fanning Field have flexible cancellations due to COVID-19?

Can I find flights from San Diego to Idaho Falls for under $100 on Cheapflights?

Are there nonstop flights from San Diego to Idaho Falls for under $100 on Cheapflights?

Are there last-minute flights available from San Diego to Idaho Falls for under $100?

What is the cheapest airline to fly from San Diego to Idaho Falls round-trip?

What are the cheapest airlines to fly from San Diego to Idaho Falls one-way?

What are the most popular airlines that fly from San Diego to Idaho Falls?

What are the cheapest flights from San Diego to Idaho Falls?

What does SAN to IDA mean?

Other flights from San Diego

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Flights to Idaho Falls from San Diego

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Alternative routes for San Diego to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from San Diego to Idaho Falls

The chart below displays the airlines Cheapflights users traveling from San Diego to Idaho Falls choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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