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$89 Find cheap flights from Idaho to San Francisco

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 Francisco departing on 9/28. 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
0 bags
Mon 7/1
Mon 7/8

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Good to know

Low season

January

High season

June

Cheapest flight

$89
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Boise to San Francisco

FAQs for booking flights from Idaho to San Francisco

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

    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 Francisco.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco 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 Francisco?

    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 Francisco 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 Francisco?

    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 Francisco 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 Francisco?

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

Nonstop departures

Idaho to San Francisco

Monday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Tuesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Friday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +81 more

AIR PREMIA, ANA, +82 more

See more direct flights

Nonstop returns

San Francisco to Idaho

Monday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Tuesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Friday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +81 more

AIR PREMIA, ANA, +82 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to San Francisco

Recent round-trip flight deals

7/24Wed
nonstopAlaska Airlines
1h 52mBOI-SFO
7/31Wed
1 stopAlaska Airlines
5h 08mSFO-BOI
$186
8/14Wed
nonstopAlaska Airlines
1h 52mBOI-SFO
9/12Thu
nonstopAlaska Airlines
1h 32mSFO-BOI
$192
7/24Wed
1 stopDelta
5h 20mBOI-SFO
7/31Wed
1 stopDelta
6h 18mSFO-BOI
$196
7/16Tue
nonstopUnited Airlines
1h 48mBOI-SFO
7/18Thu
nonstopUnited Airlines
1h 38mSFO-BOI
$212
9/13Fri
1 stopDelta
5h 07mBOI-SFO
9/16Mon
1 stopDelta
6h 21mSFO-BOI
$226
10/27Sun
nonstopUnited Airlines
2h 33mGEG-SFO
11/3Sun
nonstopUnited Airlines
2h 14mSFO-GEG
$229
9/7Sat
1 stopAmerican Airlines
5h 54mGEG-SFO
9/9Mon
2 stopsAmerican Airlines
11h 29mSFO-GEG
$252
9/9Mon
2 stopsAmerican Airlines
12h 28mGEG-SFO
9/12Thu
1 stopAmerican Airlines
7h 20mSFO-GEG
$257
6/29Sat
2 stops
16h 49mBOI-SFO
7/6Sat
2 stops
22h 24mSFO-BOI
$359
6/13Thu
1 stop
14h 27mGEG-SFO
6/18Tue
nonstop
1h 57mSFO-GEG
$382

Search by stops

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Recent one-way flight deals

9/28Sat
nonstopAlaska Airlines
1h 47mBOI-SFO
$89
9/28Sat
1 stopDelta
4h 54mBOI-SFO
$98
6/8Sat
2 stops
16h 49mBOI-SFO
$131
9/28Sat
2 stopsAmerican Airlines
9h 01mBOI-SFO
$138
8/25Sun
nonstopUnited Airlines
1h 48mBOI-SFO
$144
8/9Fri
nonstopUnited Airlines
2h 16mGEG-SFO
$149
6/13Thu
1 stopAmerican Airlines
7h 26mGEG-SFO
$167
9/28Sat
3 stops
21h 19mBOI-SFO
$231
7/1Mon
3 stopsWestJet
25h 33mGEG-SFO
$450
6/19Wed
3 stopsWestJet
27h 07mGEG-SFO
$502

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to San Francisco

Last minute flight, train and bus deals

6/4Tue
multi-stopAmerican Airlines
6h 17mBOI-SFO
6/5Wed
multi-stopAmerican Airlines
6h 31mSFO-BOI
$360
6/4Tue
multi-stopAmerican Airlines
7h 13mGEG-SFO
6/7Fri
multi-stopAmerican Airlines
7h 15mSFO-GEG
$360
6/4Tue
multi-stop
16h 22mBOI-SFO
6/8Sat
multi-stop
7h 01mSFO-BOI
$382
6/2Sun
nonstopAlaska Airlines
1h 54mBOI-SFO
6/6Thu
multi-stopAlaska Airlines
5h 43mSFO-BOI
$455
6/2Sun
multi-stopAlaska Airlines
4h 34mBOI-SFO
6/6Thu
multi-stopAlaska Airlines
5h 43mSFO-BOI
$465
6/3Mon
multi-stopDelta
6h 04mBOI-SFO
6/7Fri
multi-stopDelta
7h 17mSFO-BOI
$490
6/5Wed
multi-stop
16h 49mBOI-SFO
6/9Sun
multi-stop
25h 18mSFO-BOI
$501
6/4Tue
nonstopUnited Airlines
1h 52mBOI-SFO
6/8Sat
nonstopUnited Airlines
1h 47mSFO-BOI
$563
6/4Tue
multi-stopUnited Airlines
4h 33mBOI-SFO
6/4Tue
multi-stopUnited Airlines
14h 19mSFO-BOI
$641
6/1Sat
multi-stopDelta
14h 01mLWS-SFO
6/2Sun
multi-stopDelta
6h 33mSFO-LWS
$823

Search by stops

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Flights to San Francisco

Destination:

San Francisco (SFO)United States

Return flight deals:

San Francisco - Idaho

Cabin classes:

$569
$618
$558
$190