Cheap flights from Boise to San Diego from $76

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 5/19. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
1:05 pm - 2:20 pm
BOI
-
SAN
2h 15mnonstop
Southwest Logo
1:20 pm - 4:40 pm
SAN
-
BOI
2h 20mnonstop
$177Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
8:50 am - 11:40 am
BOI
-
SAN
3h 50m
1 stop
Southwest Logo
4:25 pm - 12:25 am
SAN
-
BOI
7h 00m
2 stops
$178Southwest
Sat, Apr 18 - Tue, Apr 21
Southwest Logo
1:05 pm - 2:20 pm
BOI
-
SAN
2h 15mnonstop
Southwest Logo
11:30 am - 4:25 pm
SAN
-
BOI
3h 55m
1 stop
$183Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
11:00 am - 5:50 pm
BOI
-
SAN
7h 50m
2 stops
Southwest Logo
7:25 am - 2:40 pm
SAN
-
BOI
6h 15m
2 stops
$187Southwest
Sat, Apr 18 - Tue, Apr 21
Southwest Logo
5:00 pm - 7:40 pm
BOI
-
SAN
3h 40m
1 stop
Southwest Logo
11:30 am - 4:25 pm
SAN
-
BOI
3h 55m
1 stop
$188Southwest
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
1:22 pm - 11:50 pm
BOI
-
SAN
11h 28m
1 stop
Frontier Logo
9:37 am - 12:27 pm
SAN
-
BOI
25h 50m
1 stop
$191Frontier
Tue, May 5 - Wed, May 6
Southwest Logo
7:15 am - 10:15 am
BOI
-
SAN
4h 00m
1 stop
Southwest Logo
11:30 am - 4:25 pm
SAN
-
BOI
3h 55m
1 stop
$192Southwest
Sun, Apr 19 - Tue, Apr 21
Southwest Logo
8:50 am - 11:40 am
BOI
-
SAN
3h 50m
1 stop
Southwest Logo
1:20 pm - 4:40 pm
SAN
-
BOI
2h 20mnonstop
$193Southwest
Sat, Apr 25 - Wed, Apr 29
Multiple Airlines Logo
1:22 pm - 8:42 am
BOI
-
SAN
20h 20m
1 stop
Multiple Airlines Logo
7:37 pm - 11:02 pm
SAN
-
BOI
2h 25mnonstop
$194Multiple Airlines
Tue, May 5 - Fri, May 8
Alaska Airlines Logo
8:04 pm - 9:23 pm
BOI
-
SAN
2h 19mnonstop
Alaska Airlines Logo
4:21 pm - 11:58 pm
SAN
-
BOI
6h 37m
1 stop
$197Alaska Airlines
Tue, Apr 14 - Sat, Apr 18

Southwest flights from Boise to San Diego

Our best Southwest deals on Boise to San Diego flight tickets
Southwest
Apr 18
BOI8:50 amBoise Air Term. Gowen Fld
3h 50m
1 stop
SAN11:40 amSan Diego
Apr 21
SAN4:25 pmSan Diego
7h 00m
2 stops
BOI12:25 amBoise Air Term. Gowen Fld
$178
Southwest
Apr 14
BOI1:05 pmBoise Air Term. Gowen Fld
2h 15m
SAN2:20 pmSan Diego
Apr 21
SAN11:30 amSan Diego
3h 55m
1 stop
BOI4:25 pmBoise Air Term. Gowen Fld
$183
Southwest
Apr 18
BOI11:00 amBoise Air Term. Gowen Fld
7h 50m
2 stops
SAN5:50 pmSan Diego
Apr 21
SAN7:25 amSan Diego
6h 15m
2 stops
BOI2:40 pmBoise Air Term. Gowen Fld
$187

Alaska Airlines flights from Boise to San Diego

Our best Alaska Airlines deals on Boise to San Diego flight tickets
Alaska Airlines
Apr 14
BOI9:02 amBoise Air Term. Gowen Fld
5h 46m
1 stop
SAN1:48 pmSan Diego
Apr 18
SAN7:16 amSan Diego
7h 15m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$177
Alaska Airlines
Apr 14
BOI8:04 pmBoise Air Term. Gowen Fld
2h 19m
SAN9:23 pmSan Diego
Apr 18
SAN4:21 pmSan Diego
6h 37m
1 stop
BOI11:58 pmBoise Air Term. Gowen Fld
$197
Alaska Airlines
Apr 18
BOI8:04 pmBoise Air Term. Gowen Fld
2h 19m
SAN9:23 pmSan Diego
Apr 21
SAN10:07 amSan Diego
11h 00m
1 stop
BOI10:07 pmBoise Air Term. Gowen Fld
$210

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 March 21, 2026.
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

Cheapest round-trip
Quickest round-trip

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 4/14

1:05 pm-2:20 pm

Nonstop2h 15m

San Diego

Tue 4/21

1:20 pm-4:40 pm

Nonstop2h 20m

$177

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 4/18

8:50 am-11:40 am

1 stop3h 50m

San Diego

Tue 4/21

4:25 pm-12:25 am

2 stops7h 00m

$178

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 4/14

1:05 pm-2:20 pm

Nonstop2h 15m

San Diego

Tue 4/21

11:30 am-4:25 pm

1 stop3h 55m

$183

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 4/18

11:00 am-5:50 pm

2 stops7h 50m

San Diego

Tue 4/21

7:25 am-2:40 pm

2 stops6h 15m

$187

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 4/14

5:00 pm-7:40 pm

1 stop3h 40m

San Diego

Tue 4/21

11:30 am-4:25 pm

1 stop3h 55m

$188

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 5/5

1:22 pm-11:50 pm

1 stop11h 28m

San Diego

Wed 5/6

9:37 am-12:27 pm

1 stop25h 50m

$191

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sun 4/19

7:15 am-10:15 am

1 stop4h 00m

San Diego

Tue 4/21

11:30 am-4:25 pm

1 stop3h 55m

$192

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 4/25

8:50 am-11:40 am

1 stop3h 50m

San Diego

Wed 4/29

1:20 pm-4:40 pm

Nonstop2h 20m

$193

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 5/5

1:22 pm-8:42 am

1 stop20h 20m

San Diego

Fri 5/8

7:37 pm-11:02 pm

Nonstop2h 25m

$194

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 4/14

8:04 pm-9:23 pm

Nonstop2h 19m

San Diego

Sat 4/18

4:21 pm-11:58 pm

1 stop6h 37m

$197

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 February, then departing from Boise during the month October is also very affordable. Most momondo users find prices during this month for around $204.

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 Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $288. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $447. 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 $302. Flights in the morning are often more expensive with an average ticket price of $336.

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 $261 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 $193 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?

No. A direct flight is the cheapest option for a flight between Boise to San Diego.

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

As of March 2026, prices for Boise to San Diego flights are approximately 42% 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

$128

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 $128. The best round-trip flight deal from Boise to San Diego found on momondo in the last 72 hours is $203.
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 in San Diego. From Boise there are direct flights to San Diego (SAN).
  • 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 $58Free CancellationRating
6.3
8,531 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $108Free CancellationRating
7.4
9,453 reviews
Search United Airlines flights
DeltaPriceFrom $108Free CancellationRating
7.9
8,315 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $134Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $142Free CancellationRating
7.9
12,092 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $170Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
  • Southwest Flights From Boise to San Diego

    Across 8 Southwest flights from Boise to San Diego this week, the average price was $270, with the best Southwest deals starting from $170 round-trip. 4,324 users have rated Southwest on momondo, with an average score of 8.0/10.

  • Alaska Airlines Flights From Boise to San Diego

    Another popular option for Boise to San Diego flights is Alaska Airlines (7.9/10, 12,092 ratings). Alaska Airlines flies from Boise to San Diego around 10 times per week, with deals starting from $142 round-trip and rising to an average price of around $273.

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
Poway
San Ysidro
Imperial Beach
La Mesa
Borrego Springs
Alpine
Santee
Lemon Grove

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.

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1 adult
Mon 4/20
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