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$39 Find Cheap Flights from Idaho 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 to San Diego departing on 12/7. 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.
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Good to know

Low season

January

High season

July

Cheapest flight

$39
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from Boise to San Diego

FAQs for booking flights from Idaho to San Diego

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

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho 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 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 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to San Diego?

Find which airlines fly direct from Idaho to San Diego Airport, which days they fly and book direct flights.

Nonstop departures

Idaho to San Diego

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Wednesday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Thursday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Friday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +54 more

ANA, Aer Lingus, +55 more

Sunday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

See more direct flights

Nonstop returns

San Diego to Idaho

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Wednesday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Thursday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Friday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +54 more

ANA, Aer Lingus, +55 more

Sunday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to San Diego

Recent round-trip flight deals

12/9Mon
1 stopSpirit Airlines
22h 18mBOI-SAN
12/10Tue
1 stopSpirit Airlines
24h 45mSAN-BOI
$80
12/3Tue
1 stopSpirit Airlines
22h 24mBOI-SAN
12/7Sat
1 stopSpirit Airlines
7h 35mSAN-BOI
$88
12/11Wed
1 stop
4h 50mBOI-SAN
12/17Tue
nonstop
2h 20mSAN-BOI
$160
12/3Tue
1 stop
7h 11mBOI-SAN
12/7Sat
nonstop
2h 20mSAN-BOI
$165
12/7Sat
nonstopAlaska Airlines
3h 01mGEG-SAN
12/14Sat
nonstopAlaska Airlines
2h 52mSAN-GEG
$175
1/22Wed
1 stopDelta
5h 54mGEG-SAN
1/25Sat
1 stopDelta
7h 03mSAN-GEG
$176
1/19Sun
nonstopAlaska Airlines
2h 27mBOI-SAN
1/29Wed
nonstopAlaska Airlines
2h 19mSAN-BOI
$177
1/12Sun
nonstopSouthwest
2h 20mBOI-SAN
1/17Fri
nonstopSouthwest
2h 20mSAN-BOI
$178
12/4Wed
1 stopDelta
6h 34mGEG-SAN
12/7Sat
1 stopDelta
7h 40mSAN-GEG
$185
12/25Wed
1 stopSouthwest
8h 40mGEG-SAN
12/30Mon
1 stopSouthwest
7h 35mSAN-GEG
$421

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Recent one-way flight deals

12/7Sat
1 stopSpirit Airlines
4h 50mBOI-SAN
$39
12/7Sat
1 stopSpirit Airlines
4h 50mBOI-SAN
$45
1/12Sun
nonstopAlaska Airlines
2h 27mBOI-SAN
$89
1/7Tue
1 stopDelta
5h 34mBOI-SAN
$98
11/25Mon
1 stopDelta
6h 18mGEG-SAN
$99
11/21Thu
1 stop
8h 56mBOI-SAN
$99
12/11Wed
2 stopsAlaska Airlines
10h 21mBOI-SAN
$106
11/21Thu
2 stops
12h 21mBOI-SAN
$123
1/1Wed
1 stopAmerican Airlines
4h 30mIDA-SAN
$127
1/10Fri
nonstopAmerican Airlines
2h 20mJAC-SAN
$164

Search by stops

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Search by price

Last minute flights from Idaho to San Diego

Last minute flight, train and bus deals

11/11Mon
multi-stopSpirit Airlines
19h 49mBOI-SAN
11/21Thu
multi-stopSpirit Airlines
16h 32mSAN-BOI
$285
11/11Mon
multi-stopSpirit Airlines
19h 49mBOI-SAN
11/21Thu
multi-stopSpirit Airlines
27h 41mSAN-BOI
$317
11/13Wed
multi-stopSpirit Airlines
7h 11mBOI-SAN
11/15Fri
multi-stopSpirit Airlines
21h 20mSAN-BOI
$371
11/14Thu
multi-stopDelta
7h 27mGEG-SAN
11/17Sun
multi-stopDelta
5h 30mSAN-GEG
$416
11/15Fri
multi-stopDelta
5h 38mJAC-SAN
11/23Sat
multi-stopDelta
6h 18mSAN-JAC
$428
11/15Fri
nonstopAlaska Airlines
2h 20mBOI-SAN
11/17Sun
nonstopAlaska Airlines
2h 22mSAN-BOI
$437
11/15Fri
multi-stopAlaska Airlines
4h 23mBOI-SAN
11/17Sun
nonstopAlaska Airlines
2h 22mSAN-BOI
$446
11/13Wed
multi-stop
7h 11mBOI-SAN
11/15Fri
nonstop
2h 15mSAN-BOI
$507
11/11Mon
multi-stop
17h 02mBOI-SAN
11/21Thu
multi-stop
26h 21mSAN-BOI
$581
11/13Wed
nonstopAmerican Airlines
2h 45mGEG-SAN
11/20Wed
multi-stopAmerican Airlines
7h 22mSAN-GEG
$582

Search by stops

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Everything you need to know for your flight to San Diego

Information on the airport you'll fly into in San Diego