$79+ Cheap flights from Boise to San Diego (BOI - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from Boise to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San Diego are usually found in April or September, booked 57 days in advance, depart on a Saturday or Wednesday and return on a Saturday
Cheap flight deals from Boise to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to San DiegoExplore the most affordable flight options available from Boise to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
Explore the most affordable flight options available from Boise to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:22 am -
Nonstop2h 32m
Wed 12/96:49 pm -
Nonstop2h 38m
Deal found 11/5![Alaska Airlines logo]()
$157
This Priceline deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:22 am -
Nonstop2h 32m
Thu 12/108:57 am -
1 stop7h 23m
Deal found 11/5![Multiple Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:45 pm -
1 stop3h 50m
Wed 1/68:05 pm -
Nonstop2h 25m
Deal found 11/5![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:25 pm -
Nonstop2h 15m
Thu 12/35:00 pm -
1 stop4h 50m
Deal found 11/5![Southwest logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:33 pm -
1 stop19h 51m
Tue 12/297:53 pm -
1 stop19h 55m
Deal found 11/5![Frontier logo]()
$171
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:05 pm -
2 stops6h 50m
Wed 12/96:40 pm -
Nonstop2h 15m
Deal found 11/4![Southwest logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:33 pm -
1 stop19h 51m
Tue 12/297:53 pm -
1 stop19h 55m
Deal found 11/4![Frontier logo]()
$176
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 pm -
1 stop6h 13m
Wed 12/94:11 pm -
1 stop5h 47m
Deal found 11/5![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:05 pm -
2 stops6h 50m
Sat 12/53:20 pm -
1 stop4h 05m
Deal found 11/5![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:21 am -
Nonstop2h 32m
Thu 12/1010:00 am -
Nonstop2h 25m
Deal found 11/5![Alaska Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:33 pm -
1 stop19h 51m
Wed 1/69:17 pm -
1 stop20h 35m
Deal found 11/5![Frontier logo]()
$194
This Alaska Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:22 am -
Nonstop2h 32m
Fri 12/46:49 pm -
Nonstop2h 38m
Deal found 11/5![Alaska Airlines logo]()
$197
Best flights from Boise to San DiegoDiscover carefully curated flight deals from Boise to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from Boise to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/83:30 pm -
Nonstop2h 15m
Mon 1/118:05 pm -
Nonstop2h 25m
Deal found 11/5![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/82:35 pm -
1 stop7h 07m
Mon 1/119:39 am -
1 stop4h 12m
Deal found 11/5![United Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:01 pm -
1 stop5h 54m
Sun 12/138:48 am -
1 stop5h 20m
Deal found 11/7![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:20 am -
Nonstop2h 25m
Thu 12/313:30 pm -
1 stop6h 20m
Deal found 11/4![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:55 am -
Nonstop2h 10m
Sat 12/261:30 pm -
Nonstop2h 15m
Deal found 11/5![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/85:03 pm -
1 stop5h 11m
Mon 1/118:36 am -
1 stop8h 28m
Deal found 11/8![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/152:50 pm -
1 stop5h 50m
Fri 12/186:25 pm -
1 stop5h 00m
Deal found 11/8![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:15 pm -
Nonstop2h 15m
Tue 12/298:50 pm -
Nonstop2h 20m
Deal found 11/4![Southwest logo]()
$262
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:05 pm -
2 stops6h 50m
Wed 12/306:25 pm -
1 stop5h 00m
Deal found 11/5![Southwest logo]()
$277
Last-minute flights from Boise to San DiegoDiscover last-minute flight deals from Boise to San Diego. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to San Diego. Data last updated November 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:35 am -
Nonstop2h 10m
Tue 12/156:40 pm -
Nonstop2h 15m
Deal found 11/4![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop4h 55m
Mon 12/218:55 am -
Nonstop2h 15m
Deal found 11/4![Southwest logo]()
$330
This Expedia deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:43 pm -
Nonstop2h 20m
Wed 12/210:06 am -
1 stop4h 18m
Deal found 11/9![Alaska Airlines logo]()
$414
This Priceline deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
1 stop5h 46m
Sun 11/2211:26 am -
1 stop6h 34m
Deal found 11/5![Frontier logo]()
$318
This Priceline deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
1 stop5h 46m
Sun 11/2210:07 am -
Nonstop2h 25m
Deal found 11/5![Multiple Airlines logo]()
$370
This Expedia deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:49 pm -
1 stop5h 46m
Mon 11/307:23 pm -
1 stop4h 06m
Deal found 11/4![Multiple Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:20 am -
Nonstop2h 25m
Sun 11/2210:00 am -
Nonstop2h 20m
Deal found 11/5![Southwest logo]()
$421
One-way flights from Boise to San DiegoSearch for one-way flight options from Boise to San Diego. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
Search for one-way flight options from Boise to San Diego. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:25 pm -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:53 pm -
1 stop19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$83
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:48 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:33 pm -
1 stop19h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/45:33 pm -
1 stop20h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/287:53 pm -
1 stop19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:20 am -
2 stops5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:47 pm -
1 stop17h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:15 pm -
1 stop14h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:15 pm -
1 stop14h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$108
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Southwest logo]()
$114
Find flight deals from Boise to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Alaska Airlines) |
One-way from | $79 (Southwest) |
Popular in | March |
Cheapest in | April |
Average price | $313 |
Good round-trip deal | $234 or less |
Good one-way deal | $58 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated November 9, 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
Cheapest round-trip
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Thu 1/7
6:44 pm-8:04 pm
Nonstop2h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
Quickest round-trip
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Tue 1/5
4:25 pm-5:40 pm
Nonstop2h 15m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Wed 1/6
7:06 am-8:35 am
Nonstop2h 29m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Thu 12/3
6:40 pm-10:15 pm
1 stop4h 35m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Mon 12/7
8:20 am-9:45 am
Nonstop2h 25m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Wed 1/6
11:40 am-4:50 pm
1 stop6h 10m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Sun 2/21
6:05 am-7:25 am
Nonstop2h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Thu 11/26
6:40 am-8:00 am
Nonstop2h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Fri 1/8
3:30 pm-4:45 pm
Nonstop2h 15m
San Diego
Mon 1/11
8:05 pm-11:30 pm
Nonstop2h 25m
$157
BoiseSan Diego
BOI Boise Air Term. Gowen Fld - SAN San Diego
BOISAN
Boise Air Term. Gowen Fld
Fri 12/25
8:20 am-9:45 am
Nonstop2h 25m
San Diego
Thu 12/31
3:30 pm-10:50 pm
1 stop6h 20m
$167
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Boise to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to San Diego in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Boise with our price prediction graph.
BOI-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to San Diego
Prices
Airlines
How far ahead should I book a flight from Boise to San Diego?
To ensure you get the cheapest price possible for a flight from Boise to San Diego, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Boise to San Diego?
Currently, April is the cheapest month in which you can book a flight from Boise to San Diego (average of $197). Flying from Boise to San Diego in March is currently the most expensive (average of $353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOI to SAN?
Find hourly flight availability from Boise to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 9, 2026.
When flying from Boise to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 23% versus a flight in the evening.
What is the cheapest day to fly from Boise to San Diego?
Use this chart to determine the cheapest time to fly round-trip from Boise to San Diego. Price data was last updated on November 7, 2026.
Travelers seeking maximum savings on their Boise to San Diego flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated November 9, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Boise to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.4
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.4
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.4
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.4
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.4
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Boise to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Top 4 airlines flying from Boise to San Diego
Discover the top 4 airlines that operate flights from Boise to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$146 | Average$279 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$152 | Average$227 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$270 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$243 | FlexibilityNo cancel fee | On-time69% |