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Cheap flights from Boise to San Diego from $47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San Diego departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:45 am - 9:15 am
BOI
-
SAN
2h 30mnonstop
Alaska Airlines Logo
8:04 pm - 11:30 pm
SAN
-
BOI
2h 26mnonstop
$166Alaska Airlines
Thu, Feb 5 - Fri, Feb 13
Alaska Airlines Logo
7:00 am - 8:02 pm
BOI
-
SAN
14h 02m1 stop
Alaska Airlines Logo
9:49 pm - 1:22 pm
SAN
-
BOI
14h 33m1 stop
$170Alaska Airlines
Thu, Feb 5 - Mon, Feb 16
United Airlines Logo
7:00 am - 10:30 am
BOI
-
SAN
4h 30m1 stop
United Airlines Logo
9:55 am - 4:10 pm
SAN
-
BOI
5h 15m1 stop
$173United Airlines
Thu, Dec 25 - Tue, Jan 6
Southwest Logo
2:40 pm - 7:15 pm
BOI
-
SAN
5h 35m1 stop
Southwest Logo
9:35 am - 2:55 pm
SAN
-
BOI
4h 20m1 stop
$174Southwest
Wed, Dec 24 - Tue, Jan 6
Southwest Logo
4:25 pm - 5:35 pm
BOI
-
SAN
2h 10mnonstop
Southwest Logo
5:30 pm - 11:40 pm
SAN
-
BOI
5h 10m1 stop
$175Southwest
Fri, Feb 13 - Tue, Feb 17
Alaska Airlines Logo
7:00 am - 8:26 am
BOI
-
SAN
2h 26mnonstop
Alaska Airlines Logo
5:55 pm - 9:19 pm
SAN
-
BOI
2h 24mnonstop
$177Alaska Airlines
Sun, Mar 1 - Thu, Mar 12
Southwest Logo
7:45 am - 4:45 pm
BOI
-
SAN
10h 00m2 stops
Southwest Logo
7:10 am - 2:20 pm
SAN
-
BOI
6h 10m2 stops
$178Southwest
Tue, Jan 27 - Mon, Feb 2
Alaska Airlines Logo
8:10 am - 2:11 pm
BOI
-
SAN
7h 01m1 stop
Alaska Airlines Logo
10:22 am - 6:22 pm
SAN
-
BOI
7h 00m2 stops
$180Alaska Airlines
Fri, Jan 23 - Sat, Jan 31
Alaska Airlines Logo
9:10 am - 2:37 pm
BOI
-
SAN
6h 27m2 stops
Alaska Airlines Logo
4:01 pm - 10:09 pm
SAN
-
BOI
5h 08m1 stop
$182Alaska Airlines
Sat, Jan 24 - Tue, Jan 27
Alaska Airlines Logo
6:55 am - 8:21 am
BOI
-
SAN
2h 26mnonstop
Alaska Airlines Logo
5:06 pm - 11:41 am
SAN
-
BOI
17h 35m1 stop
$186Alaska Airlines
Tue, Dec 30 - Tue, Jan 6

Southwest flights from Boise to San Diego

Our best Southwest deals on Boise to San Diego flight tickets
Southwest
Dec 24
BOI2:40 pmBoise Air Term. Gowen Fld
5h 35m
1 stop
SAN7:15 pmSan Diego
Jan 6
SAN9:35 amSan Diego
4h 20m
1 stop
BOI2:55 pmBoise Air Term. Gowen Fld
$174
Find similar
Southwest
Feb 13
BOI4:25 pmBoise Air Term. Gowen Fld
2h 10m
SAN5:35 pmSan Diego
Feb 17
SAN5:30 pmSan Diego
5h 10m
1 stop
BOI11:40 pmBoise Air Term. Gowen Fld
$175
Find similar
Southwest
Jan 27
BOI7:45 amBoise Air Term. Gowen Fld
10h 00m
2 stops
SAN4:45 pmSan Diego
Feb 2
SAN7:10 amSan Diego
6h 10m
2 stops
BOI2:20 pmBoise Air Term. Gowen Fld
$178
Find similar

Frontier flights from Boise to San Diego

Our best Frontier deals on Boise to San Diego flight tickets
Frontier
Dec 25
BOI12:38 pmBoise Air Term. Gowen Fld
12h 21m
1 stop
SAN11:59 pmSan Diego
Dec 31
SAN6:25 amSan Diego
28h 18m
1 stop
BOI11:43 amBoise Air Term. Gowen Fld
$197
Find similar
Frontier
Dec 12
BOI12:44 pmBoise Air Term. Gowen Fld
7h 31m
1 stop
SAN7:15 pmSan Diego
Dec 17
SAN6:34 amSan Diego
28h 09m
1 stop
BOI11:43 amBoise Air Term. Gowen Fld
$199
Find similar
Frontier
Dec 14
BOI12:44 pmBoise Air Term. Gowen Fld
26h 26m
2 stops
SAN2:10 pmSan Diego
Dec 24
SAN4:47 pmSan Diego
17h 56m
1 stop
BOI11:43 amBoise Air Term. Gowen Fld
$219
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Boise to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 2/5

7:45 am-9:15 am

Nonstop2h 30m

San Diego

Fri 2/13

8:04 pm-11:30 pm

Nonstop2h 26m

$166

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 2/5

7:00 am-8:02 pm

1 stop14h 02m

San Diego

Mon 2/16

9:49 pm-1:22 pm

1 stop14h 33m

$170

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 12/25

7:00 am-10:30 am

1 stop4h 30m

San Diego

Tue 1/6

9:55 am-4:10 pm

1 stop5h 15m

$173

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 12/24

2:40 pm-7:15 pm

1 stop5h 35m

San Diego

Tue 1/6

9:35 am-2:55 pm

1 stop4h 20m

$174

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 2/13

4:25 pm-5:35 pm

Nonstop2h 10m

San Diego

Tue 2/17

5:30 pm-11:40 pm

1 stop5h 10m

$175

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sun 3/1

7:00 am-8:26 am

Nonstop2h 26m

San Diego

Thu 3/12

5:55 pm-9:19 pm

Nonstop2h 24m

$177

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 1/27

7:45 am-4:45 pm

2 stops10h 00m

San Diego

Mon 2/2

7:10 am-2:20 pm

2 stops6h 10m

$178

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 1/23

8:10 am-2:11 pm

1 stop7h 01m

San Diego

Sat 1/31

10:22 am-6:22 pm

2 stops7h 00m

$180

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 1/24

9:10 am-2:37 pm

2 stops6h 27m

San Diego

Tue 1/27

4:01 pm-10:09 pm

1 stop5h 08m

$182

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 12/30

6:55 am-8:21 am

Nonstop2h 26m

San Diego

Tue 1/6

5:06 pm-11:41 am

1 stop17h 35m

$186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Boise to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Boise during the month September is also very affordable. Most momondo users find prices during this month for around $227.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Boise to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $311. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $436. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $318. Flights in the morning are often more expensive with an average ticket price of $364.

What is the cheapest Boise Air Term. Gowen Fld to San Diego flight route?

Fly from Boise Air Term. Gowen Fld to San Diego for the best Boise Air Term. Gowen Fld - San Diego flight prices

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

You are more likely to see cheaper flights to San Diego from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $286 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Boise for as low as $217 on momondo.

What cabin class options are available on Boise Air Term. Gowen Fld to San Diego flights?

There are 4 cabin classes available to choose from on Boise Air Term. Gowen Fld to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boise to San Diego flights?

You could potentially save up to 24% on your flight if you consider stops on a Boise to San Diego flight.

How have Boise to San Diego flight prices changed over time?

As of December 2025, prices for Boise to San Diego flights are approximately 98% more expensive when compared to flights at the same time last year.

When to book flights from Boise to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to San Diego (BOI to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to San Diego

Best Price Found

$148

Fastest flight time

2h 10m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Boise in the past 72 hours is $148. The best round-trip flight deal from Boise to San Diego found on momondo in the last 72 hours is $217.
The fastest flight from Boise to San Diego takes 2h 10m
Direct flights go from Boise to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • How far is Boise Air Term. Gowen Fld to San Diego by plane?

    San Diego is 754.2 mi away from Boise Air Term. Gowen Fld. Flights usually cover this in 2h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to San Diego Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to San Diego Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boise to San Diego?

  • What is the most popular airline from Boise to San Diego?

Best airlines flying from Boise to San Diego

Compare and see reviews for airlines that fly from Boise to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,161 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $137Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $138Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $146Free CancellationRating
8.0
11,396 reviews
Search Alaska Airlines flights
DeltaPriceFrom $147Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $175Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

  • Alaska Airlines Flights From Boise to San Diego

    Across 10 Alaska Airlines flights from Boise to San Diego this week, the average price was $310, with the best Alaska Airlines deals starting from $146 round-trip. 11,402 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Southwest Flights From Boise to San Diego

    Another popular option for Boise to San Diego flights is Southwest (8.0/10, 4,250 ratings). Southwest flies from Boise to San Diego around 5 times per week, with deals starting from $175 round-trip and rising to an average price of around $296.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Imperial Beach
Poway
La Mesa
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Boise to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Boise.

Can I find flights from Boise to San Diego with flexible booking policies on momondo?

Flights from Boise to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boise to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to San Diego.

I’m not ready to book a flight from Boise to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boise to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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