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.

$58 CHEAP FLIGHTS from Idaho to San Diego

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Flight Deals

Cheap Flights from Idaho to San Diego

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Idaho to San Diego

Sun, Dec 20 - Sat, Dec 26

8:45 pm - 11:35 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

3h 50m1 stop San Jose

1:30 pm - 4:45 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$168Southwest

Wed, Nov 18 - Tue, Nov 24

1:05 pm - 6:55 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

6h 50m2 stops Denver Intl Tucson

6:35 am - 1:15 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

5h 40m1 stop San Jose

$172Southwest

Fri, Dec 25 - Tue, Dec 29

5:33 pm - 12:24 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

19h 51m1 stop Las Vegas Harry Reid Intl

7:56 pm - 4:48 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

19h 52m1 stop Las Vegas Harry Reid Intl

$175Frontier

Wed, Dec 23 - Tue, Dec 29

5:33 pm - 12:24 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

19h 51m1 stop Las Vegas Harry Reid Intl

7:56 pm - 4:48 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

19h 52m1 stop Las Vegas Harry Reid Intl

$176Frontier

Tue, Mar 9 - Mon, Mar 15

6:00 am - 10:01 amBOI Boise Air Term. Gowen Fld-SAN San Diego

5h 01m1 stop Portland

7:55 pm - 11:13 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 18mnonstop

$177Alaska Airlines

Thu, Jan 28 - Tue, Feb 2

5:03 pm - 9:14 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

5h 11m1 stop Santa Rosa Sonoma County

5:39 pm - 9:03 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 24mnonstop

$177Alaska Airlines

Tue, Nov 17 - Fri, Nov 20

4:45 pm - 10:59 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

7h 14m1 stop Los Angeles

7:10 pm - 12:10 amSAN San Diego-BOI Boise Air Term. Gowen Fld

4h 00m1 stop Salt Lake City

$177Delta

Mon, Mar 29 - Fri, Apr 2

6:30 am - 9:54 amBOI Boise Air Term. Gowen Fld-SAN San Diego

4h 24m1 stop San Francisco

4:10 pm - 11:05 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

5h 55m1 stop Denver Intl

$179United Airlines

Sat, Mar 27 - Thu, Apr 1

8:52 pm - 12:26 amBOI Boise Air Term. Gowen Fld-SAN San Diego

4h 34m1 stop San Francisco

1:48 pm - 7:16 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

4h 28m1 stop San Francisco

$179United Airlines

Tue, Nov 17 - Fri, Nov 20

4:45 pm - 10:59 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

7h 14m1 stop Los Angeles

7:10 pm - 12:10 amSAN San Diego-BOI Boise Air Term. Gowen Fld

4h 00m1 stop Salt Lake City

$186Delta

Recent last minute flight deals from Idaho to San Diego

Sat, Nov 7 - Thu, Nov 12

7:00 am - 8:15 amBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 15mnonstop

8:50 pm - 12:10 amSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 20mnonstop

$227Southwest

Sat, Nov 7 - Thu, Nov 12

7:00 am - 8:15 amBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 15mnonstop

6:30 am - 11:40 amSAN San Diego-BOI Boise Air Term. Gowen Fld

4h 10m1 stop San Jose

$237Southwest

Sat, Nov 7 - Sun, Nov 8

8:30 am - 9:57 amBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 27mnonstop

10:07 am - 1:28 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 21mnonstop

$277Alaska Airlines

Fri, Nov 6 - Sun, Nov 8

6:43 pm - 8:03 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 20mnonstop

10:07 am - 1:28 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 21mnonstop

$277Alaska Airlines

Fri, Nov 6 - Sun, Nov 8

7:10 pm - 12:19 amBOI Boise Air Term. Gowen Fld-SAN San Diego

6h 09m1 stop San Francisco

6:45 am - 1:45 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

6h 00m1 stop Denver Intl

$297United Airlines

Sat, Nov 7 - Sun, Nov 8

12:00 pm - 3:32 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

4h 32m1 stop San Francisco

6:45 am - 1:45 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

6h 00m1 stop Denver Intl

$297United Airlines

Sat, Nov 7 - Sun, Nov 8

4:00 pm - 7:14 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

4h 14m1 stop Los Angeles

7:05 pm - 11:59 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

3h 54m1 stop Salt Lake City

$318Delta

Tue, Nov 3 - Thu, Nov 5

4:00 pm - 7:14 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

4h 14m1 stop Los Angeles

6:15 am - 12:16 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

5h 01m1 stop Salt Lake City

$357Delta

Tue, Nov 3 - Mon, Nov 9

2:03 pm - 6:23 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

5h 20m1 stop Phoenix Sky Harbor Intl

4:30 pm - 10:57 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

5h 27m1 stop Phoenix Sky Harbor Intl

$357American Airlines

Tue, Nov 3 - Sun, Nov 8

8:00 am - 6:23 pmIDA Idaho Falls Fanning Field-SAN San Diego

11h 23m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

4:30 pm - 10:59 pmSAN San Diego-IDA Idaho Falls Fanning Field

5h 29m1 stop Phoenix Sky Harbor Intl

$626American Airlines

Recent direct flight deals from Idaho to San Diego

Tue, Nov 17 - Thu, Nov 19

6:43 pm - 8:03 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 20mnonstop

7:11 pm - 10:39 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 28mnonstop

$177Alaska Airlines

Mon, Nov 16 - Wed, Nov 18

6:43 pm - 8:03 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 20mnonstop

10:09 am - 1:30 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 21mnonstop

$177Alaska Airlines

Mon, Nov 16 - Thu, Nov 19

8:20 am - 9:45 amBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 25mnonstop

6:40 pm - 9:55 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$177Southwest

Tue, Nov 17 - Thu, Nov 19

4:25 pm - 5:40 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 15mnonstop

6:40 pm - 9:55 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 15mnonstop

$177Southwest

Sun, Dec 6 - Tue, Dec 8

4:47 pm - 6:13 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 26mnonstop

6:49 pm - 10:27 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 38mnonstop

$197Alaska Airlines

Thu, Dec 3 - Mon, Dec 7

4:47 pm - 6:13 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 26mnonstop

6:49 pm - 10:27 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 38mnonstop

$197Alaska Airlines

Thu, Nov 12 - Tue, Dec 15

6:43 pm - 8:03 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 20mnonstop

6:49 pm - 10:27 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 38mnonstop

$197Alaska Airlines

Thu, Dec 10 - Sun, Dec 13

4:47 pm - 6:13 pmBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 26mnonstop

9:55 am - 1:20 pmSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 25mnonstop

$197Alaska Airlines

Sat, Jan 2 - Sun, Jan 3

5:50 am - 7:05 amBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 15mnonstop

8:50 pm - 12:10 amSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 20mnonstop

$202Southwest

Thu, Dec 24 - Wed, Dec 30

8:20 am - 9:45 amBOI Boise Air Term. Gowen Fld-SAN San Diego

2h 25mnonstop

8:50 pm - 12:10 amSAN San Diego-BOI Boise Air Term. Gowen Fld

2h 20mnonstop

$202Southwest

Useful Info

Low season	January
High season	March
Cheapest flight	$58

Best time to beat the crowds with an average 15% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Boise 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.