Can I fly direct from Boise to San Diego?

Direct flights from Boise to San Diego are available, making up 28.4% of the routes in the trailing 90 days. For flights with connections, the median number of stopovers is typically one. Travelers have options for both direct and connecting flights, depending on their preferences and schedule.

How long does it take to fly from Boise to San Diego?

A direct flight from Boise to San Diego typically takes 2 hours and 22 minutes. For flights with one stop, the median travel time extends to 7 hours and 3 minutes. The distance covered on this route is approximately 1207 kilometers. Travelers can choose between faster direct options or connecting flights, which may offer different price points.

How often do cheap flights from Boise to San Diego come up?

Cheap flights from Boise to San Diego are a frequent occurrence. This route is classified as having frequent deals, indicating that opportunities for good prices arise regularly. Travelers looking for value on this route can expect to find favorable options with some consistency.

Flights From Boise

To San Diego

Cheap Flights from Boise to San Diego

Browse current best options from Boise. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Boise

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

Prices updated 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Boise to San Diego

Explore current cheapest deals departing from Boise to San Diego

2027-01-08 – 2027-01-22
BOI - San Diego
75% AI deal score
$224
$182
Round trip
2026-10-05 – 2026-10-14
BOI - San Diego
71% AI deal score
$235
$182
Round trip
2026-10-19 – 2026-10-28
BOI - San Diego
71% AI deal score
$232
$184
Round trip
2026-10-19 – 2026-11-11
BOI - San Diego
49% AI deal score
$209
$184
Round trip
2026-10-19 – 2026-11-04
BOI - San Diego
49% AI deal score
$212
$184
Round trip
2026-10-05 – 2026-11-04
BOI - San Diego
49% AI deal score
$210
$184
Round trip
2026-10-05 – 2026-10-28
BOI - San Diego
49% AI deal score
$210
$184
Round trip
2026-10-26 – 2026-11-04
BOI - San Diego
71% AI deal score
$232
$184
Round trip
2026-10-26 – 2026-11-11
BOI - San Diego
49% AI deal score
$213
$184
Round trip
2026-10-26 – 2026-10-28
BOI - San Diego
73% AI deal score
$260
$184
Round trip

Boise to San Diego: Overview

Insights for flights from Boise to San Diego

Most itineraries for cheap flights from Boise to San Diego connect at least once, with only 28.4% of recent fares being non-stop. When a connection is required, the typical number of stopovers is 1.

Right now, fares to San Diego from Boise are below the typical level. Prices for this route typically range from $185–$387, with a median of $300. Only 2% of recent fares were classified as a good price, indicating that finding a low fare can be challenging.

When is the cheapest time to fly from Boise to San Diego? The data indicates that March is often the most affordable month, with a median fare of just $80. Other budget-friendly options include January, with a median fare of $138, and April, where the median fare is $141.

A typical journey from Boise to San Diego takes about 2h 22m, including connections. This is considered a short-haul route, covering a distance of 1207 km.

How much is a round trip from Boise to San Diego

Regular price: $112 - $298

Prices for flights from Boise to San Diego are currently within the regular range.

The regular price range for flights from Boise to San Diego is between $112 and $298. The current lowest deal is $156 with Alaska Airlines, Inc. for travel from Oct 28-Oct 29.

now $156

Low $112

High $298

The cheapest time to fly from Boise to San Diego

The cheapest month to fly from Boise to San Diego is March, with a median price of $80. The most expensive month is July, with a median price of $390. Prices are generally lower from January to December.

March

Cheapest

Flights from $80

July

Most Expensive

Flights from $390

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boise to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Boise to San Diego

Tue, Sep 15

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

American Airlines

$482

$352

One-way

Fri, Sep 18

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

Frontier Airlines

$473

$339

One-way

Wed, Sep 23

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

American Airlines

$332

$349

One-way

Sat, Sep 26

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (CLD)

American Airlines

$334

$348

One-way

Thu, Oct 1

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

Frontier Airlines

$273

$211

One-way

Fri, Oct 2

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

Southwest Airlines

$151

$205

One-way

Biggest price drops on these dates for flights from Boise to San Diego

2 nights

Sep 18 - Sep 20

$473 → $337

29%

4 nights

Sep 15 - Sep 19

$482 → $350

27%

2 nights

Oct 5 - Oct 7

$269 → $197

27%

14 nights

Dec 17 - Dec 31

$255 → $190

26%

Popular Airports to fly from Boise to San Diego

Boise - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Boise to San Diego are below the typical level at $156.

📅 Best time to fly

March is historically cheapest at $80

Historically, March is the cheapest month to fly from Boise to San Diego, with a median price of $80.

⏱️ Flight duration

Direct flights average 2h 22m

Direct flights from Boise to San Diego typically average 2 hours and 22 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant, with 28.4% of recent fares being direct.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is one airline that offers direct flights on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Boise to San Diego appear frequently, within a 30-day window.

Boise main airports to depart from

Boise (BOI)

Cheapest

Boise Airport (BOI) is a convenient option for flights from Boise to San Diego.

📍 ~6 km from city center (reachable by car)

💸 Flights from ~$104

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival option for flights from Boise to San Diego.

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$104

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a convenient option for Mexico-bound travelers, with direct access via CBX.

📍 ~25 km from San Diego (reachable by car, requires passport and CBX fee)

💸 Flights from ~$430

Business & First Class Flight Deals to San Diego

Discover luxury on the budget with premium cabin class on flights from Boise to San Diego.

Elite

Best Elite deals to San Diego

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From BOI

Elite

Oct 07

San Diego, United States

86% AI deal score

$1,846

$467

Save $1,379

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Sep 30

San Diego, United States

85% AI deal score

$1,670

$462

Save $1,208

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Oct 06

San Diego, United States

85% AI deal score

$1,823

$467

Save $1,356

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Sep 29

San Diego, United States

83% AI deal score

$753

$367

Save $386

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Sep 23

San Diego, United States

82% AI deal score

$711

$367

Save $344

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Dec 07

San Diego, United States

82% AI deal score

$764

$367

Save $397

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Sep 28

San Diego, United States

81% AI deal score

$746

$394

Save $352

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Oct 29

San Diego, United States

81% AI deal score

$771

$397

Save $374

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Sep 25

San Diego, United States

80% AI deal score

$708

$397

Save $311

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Oct 19

San Diego, United States

80% AI deal score

$600

$367

Save $233

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Oct 26

San Diego, United States

80% AI deal score

$601

$367

Save $234

Alaska Airlines, Inc.

Business Class

From BOI

Elite

Oct 27

San Diego, United States

80% AI deal score

$600

$367

Save $233

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

Historically, the best time to book flights from Boise to San Diego is 60+ days before departure. Prices average around $241 in this booking window. Booking within 7-13 days of departure typically sees higher prices, with an average of $382. For those booking last minute, within 0-6 days, the average price is around $371. Planning ahead can lead to more favorable fares.

A flight from Boise to San Diego is considered a good deal if it is priced at or below $185. The median price for this route across the trailing quarter was $300. Prices can vary, with 75% of fares historically being $387 or less. Keeping an eye out for prices at or below the good deal threshold can help travelers find savings.

Historically, the cheapest months to fly from Boise to San Diego include March, with a median price of $80, and January, with a median price of $138. April also offers competitive prices, with a median of $141. The annual median price for this route is $300, indicating significant savings can be found by traveling during these months.

Related routes

More routes from Boise

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Flights to San Diego from other cities

Flights from Boston to San Diego Flights from Chicago to San Diego Flights from Colorado Springs to San Diego Flights from Dallas to San Diego Flights from Denver to San Diego Flights from Detroit to San Diego Flights from Dublin to San Diego Flights from El Paso to San Diego Flights from Fresno to San Diego Flights from Hong Kong to San Diego Flights from Honolulu to San Diego Flights from Spokane to San Diego

Boise to San Diego: Overview

Insights for flights from Boise to San Diego

A typical journey from Boise to San Diego takes about 2h 22m, including connections. This is considered a short-haul route, covering a distance of 1207 km.

How much is a round trip from Boise to San Diego

Regular price: $112 - $298

Prices for flights from Boise to San Diego are currently within the regular range.

The regular price range for flights from Boise to San Diego is between $112 and $298. The current lowest deal is $156 with Alaska Airlines, Inc. for travel from Oct 28-Oct 29.

now $156

Low $112

High $298

The cheapest time to fly from Boise to San Diego

March

Cheapest

Flights from $80

July

Most Expensive

Flights from $390

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boise to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Boise to San Diego

Tue, Sep 15

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

American Airlines

$482

$352

One-way

Fri, Sep 18

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

Frontier Airlines

$473

$339

One-way

Wed, Sep 23

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

American Airlines

$332

$349

One-way

Sat, Sep 26

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (CLD)

American Airlines

$334

$348

One-way

Thu, Oct 1

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

Frontier Airlines

$273

$211

One-way

Fri, Oct 2

⌛ Last-Minute

BOI - San Diego

Boise (BOI) - San Diego (SAN)

Southwest Airlines

$151

$205

One-way

Biggest price drops on these dates for flights from Boise to San Diego

2 nights

Sep 18 - Sep 20

$473 → $337

29%

4 nights

Sep 15 - Sep 19

$482 → $350

27%

2 nights

Oct 5 - Oct 7

$269 → $197

27%

14 nights

Dec 17 - Dec 31

$255 → $190

26%

Popular Airports to fly from Boise to San Diego

Boise - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Boise to San Diego are below the typical level at $156.

📅 Best time to fly

March is historically cheapest at $80

Historically, March is the cheapest month to fly from Boise to San Diego, with a median price of $80.

⏱️ Flight duration

Direct flights average 2h 22m

Direct flights from Boise to San Diego typically average 2 hours and 22 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant, with 28.4% of recent fares being direct.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is one airline that offers direct flights on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Boise to San Diego appear frequently, within a 30-day window.

Boise main airports to depart from

Boise (BOI)

Cheapest

Boise Airport (BOI) is a convenient option for flights from Boise to San Diego.

📍 ~6 km from city center (reachable by car)

💸 Flights from ~$104

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival option for flights from Boise to San Diego.

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$104

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a convenient option for Mexico-bound travelers, with direct access via CBX.

San Diego, United States

80% AI deal score

$600

$367

Save $233

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

Cheap Flights from Boise to San Diego

Today’s best flight deals from Boise to San Diego

Boise to San Diego: Overview

Insights for flights from Boise to San Diego

How much is a round trip from Boise to San Diego

The cheapest time to fly from Boise to San Diego

Direct flights from Boise to San Diego

Last-minute flights going from Boise to San Diego

Biggest price drops on these dates for flights from Boise to San Diego

Popular Airports to fly from Boise to San Diego

Boise - San Diego route insights

Recent fares are below the typical level

March is historically cheapest at $80

Direct flights average 2h 22m

Connecting flights are dominant

Alaska Airlines, Inc. offers direct flights

Deals appear frequently

Boise main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Oct 07

Sep 30

Oct 06

Sep 29

Sep 23

Dec 07

Sep 28

Oct 29

Sep 25

Oct 19

Oct 26

Oct 27

Frequently Asked Questions About Flights to San Diego

When is the best time to book flights from Boise to San Diego?

How do I know if a Boise to San Diego flight is a good deal?

When is the cheapest time of year to fly from Boise to San Diego?

Can I fly direct from Boise to San Diego?

How long does it take to fly from Boise to San Diego?

How often do cheap flights from Boise to San Diego come up?

Related routes

More routes from Boise

Flights to San Diego from other cities

Boise to San Diego: Overview

Insights for flights from Boise to San Diego

How much is a round trip from Boise to San Diego

The cheapest time to fly from Boise to San Diego

Direct flights from Boise to San Diego

Last-minute flights going from Boise to San Diego

Biggest price drops on these dates for flights from Boise to San Diego

Popular Airports to fly from Boise to San Diego

Boise - San Diego route insights

Recent fares are below the typical level

March is historically cheapest at $80

Direct flights average 2h 22m

Connecting flights are dominant

Alaska Airlines, Inc. offers direct flights

Deals appear frequently

Boise main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Oct 07

Sep 30

Oct 06

Sep 29

Sep 23

Dec 07

Sep 28

Oct 29

Sep 25

Oct 19

Oct 26

Oct 27

Frequently Asked Questions About Flights to San Diego

When is the best time to book flights from Boise to San Diego?

How do I know if a Boise to San Diego flight is a good deal?

When is the cheapest time of year to fly from Boise to San Diego?