$79+ Cheap flights from Boise to San Diego (BOI - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Jul 27 — Aug 31
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 February or April, booked 43 days in advance, depart on a Tuesday or Monday 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 June 27, 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 June 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/227:00 am
BOI
- SAN
1 stop3h 56m
Alaska Airlines
Sat 8/2910:45 am
SAN
- BOI
Nonstop2h 17m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$197
This Travelocity deal was found by Cheapflights users on 6/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:52 pm
BOI
- SAN
1 stop5h 01m
Multiple Airlines
Sat 11/76:32 pm
SAN
- BOI
Nonstop2h 28m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$199
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:49 pm
BOI
- SAN
Nonstop2h 30m
Alaska Airlines
Mon 8/244:58 pm
SAN
- BOI
Nonstop2h 22m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 8/67:57 am
BOI
- SAN
Nonstop2h 27m
Alaska Airlines
Tue 8/185:06 pm
SAN
- BOI
Nonstop2h 19m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$201
This Southwest deal was found by Cheapflights users on 6/22. 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 10/96:25 am
BOI
- SAN
Nonstop2h 15m
Southwest
Mon 10/129:30 pm
SAN
- BOI
Nonstop2h 10m
Southwest
Deal found 6/22![Southwest logo]()
$202
This Expedia deal was found by Cheapflights users on 6/24. 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 7/231:24 pm
BOI
- SAN
1 stop11h 27m
Multiple Airlines
Tue 7/2810:30 am
SAN
- BOI
Nonstop2h 16m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 6/25. 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 8/272:55 pm
BOI
- SAN
1 stop8h 05m
Southwest
Sun 8/306:30 pm
SAN
- BOI
Nonstop2h 10m
Southwest
Deal found 6/25![Southwest logo]()
$205
This CheapOair deal was found by Cheapflights users on 6/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:55 pm
BOI
- SAN
1 stop6h 28m
Alaska Airlines
Tue 7/2810:30 am
SAN
- BOI
Nonstop2h 16m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/177:05 pm
BOI
- SAN
1 stop4h 44m
United Airlines
Mon 7/204:09 pm
SAN
- BOI
1 stop6h 46m
United Airlines
Deal found 6/24![United Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 8/57:57 am
BOI
- SAN
Nonstop2h 27m
Alaska Airlines
Thu 8/67:44 am
SAN
- BOI
1 stop6h 51m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$211
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 June 27, 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 June 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 10/97:37 pm
BOI
- SAN
Nonstop2h 21m
Alaska Airlines
Mon 10/1210:29 am
SAN
- BOI
Nonstop2h 18m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 6/21. 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 8/286:00 am
BOI
- SAN
1 stop4h 35m
Southwest
Mon 8/315:30 pm
SAN
- BOI
Nonstop2h 10m
Southwest
Deal found 6/21![Southwest logo]()
$212
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 7/217:05 pm
BOI
- SAN
1 stop6h 26m
United Airlines
Thu 7/2311:01 am
SAN
- BOI
1 stop4h 43m
United Airlines
Deal found 6/23![United Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 6/24. 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 8/116:25 am
BOI
- SAN
Nonstop2h 15m
Southwest
Fri 8/146:30 am
SAN
- BOI
Nonstop2h 20m
Southwest
Deal found 6/24![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 8/57:57 am
BOI
- SAN
Nonstop2h 27m
Alaska Airlines
Mon 8/1010:02 pm
SAN
- BOI
1 stop21h 41m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 12/66:20 am
BOI
- SAN
1 stop4h 38m
United Airlines
Sat 12/194:06 pm
SAN
- BOI
1 stop6h 53m
United Airlines
Deal found 6/23![United Airlines logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Mon 8/178:00 pm
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Thu 8/201:04 pm
SAN
- BOI
1 stop6h 38m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 6/24. 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 7/237:40 pm
BOI
- SAN
1 stop4h 50m
Southwest
Tue 7/2812:45 pm
SAN
- BOI
2 stops7h 05m
Southwest
Deal found 6/24![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Tue 10/202:27 pm
BOI
- SAN
1 stop4h 26m
Alaska Airlines
Wed 10/214:00 pm
SAN
- BOI
2 stops6h 54m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 6/22. 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 7/126:45 am
BOI
- SAN
Nonstop2h 10m
Southwest
Wed 7/156:50 pm
SAN
- BOI
1 stop4h 40m
Southwest
Deal found 6/22![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 6/24. 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 7/167:20 pm
BOI
- SAN
1 stop3h 40m
Southwest
Sun 7/199:40 pm
SAN
- BOI
Nonstop2h 15m
Southwest
Deal found 6/24![Southwest logo]()
$323
Last-minute flights from Boise to San DiegoDiscover last-minute flight deals from Boise to San Diego. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to San Diego. Data last updated June 27, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/23. 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 6/303:15 pm
BOI
- SAN
Nonstop2h 10m
Southwest
Fri 7/39:05 pm
SAN
- BOI
Nonstop2h 15m
Southwest
Deal found 6/23![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 6/24. 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.
Mon 7/137:40 am
BOI
- SAN
Nonstop2h 15m
Southwest
Wed 7/156:30 am
SAN
- BOI
1 stop7h 10m
Southwest
Deal found 6/24![Southwest logo]()
$233
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:36 pm
BOI
- SAN
1 stop4h 58m
American Airlines
Tue 7/219:41 am
SAN
- BOI
1 stop6h 08m
American Airlines
Deal found 6/21![American Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/177:05 pm
BOI
- SAN
1 stop4h 44m
United Airlines
Mon 7/204:09 pm
SAN
- BOI
1 stop6h 46m
United Airlines
Deal found 6/24![United Airlines logo]()
$209
This CheapOair deal was found by Cheapflights users on 6/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:55 pm
BOI
- SAN
1 stop6h 28m
Alaska Airlines
Tue 7/2810:30 am
SAN
- BOI
Nonstop2h 16m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 6/23. 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 7/213:15 pm
BOI
- SAN
Nonstop2h 10m
Southwest
Tue 7/2810:15 am
SAN
- BOI
Nonstop2h 10m
Southwest
Deal found 6/23![Southwest logo]()
$227
This Expedia deal was found by Cheapflights users on 6/24. 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 7/231:24 pm
BOI
- SAN
1 stop11h 27m
Multiple Airlines
Tue 7/2810:30 am
SAN
- BOI
Nonstop2h 16m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$204
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:00 pm
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Tue 7/2810:30 am
SAN
- BOI
Nonstop2h 16m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$228
This Expedia deal was found by Cheapflights users on 6/25. 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.
Sat 7/258:00 pm
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Sat 8/15:06 pm
SAN
- BOI
Nonstop2h 19m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$230
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 June 27, 2026.
Search for one-way flight options from Boise to San Diego. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 8/196:49 pm
BOI
- SAN
Nonstop2h 30m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 6/22. 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 8/206:30 am
BOI
- SAN
Nonstop2h 15m
Southwest
Deal found 6/22![Southwest logo]()
$84
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 7/211:05 pm
BOI
- SAN
1 stop3h 51m
Delta
Deal found 6/25![Delta logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/213:52 pm
BOI
- SAN
1 stop5h 56m
Frontier
Deal found 6/25![Frontier logo]()
$93
This Delta deal was found by Cheapflights users on 6/22. 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 8/206:45 pm
BOI
- SAN
1 stop6h 05m
Delta
Deal found 6/22![Delta logo]()
$94
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 7/167:05 pm
BOI
- SAN
1 stop6h 25m
United Airlines
Deal found 6/24![United Airlines logo]()
$95
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 7/38:00 pm
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$99
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 8/216:45 pm
BOI
- SAN
1 stop6h 05m
Delta
Deal found 6/26![Delta logo]()
$104
This Southwest deal was found by Cheapflights users on 6/23. 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 7/11:05 pm
BOI
- SAN
1 stop5h 55m
Southwest
Deal found 6/23![Southwest logo]()
$109
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 12/236:20 am
BOI
- SAN
1 stop4h 38m
United Airlines
Deal found 6/25![United Airlines logo]()
$112
This Southwest deal was found by Cheapflights users on 6/22. 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 7/412:10 pm
BOI
- SAN
2 stops6h 40m
Southwest
Deal found 6/22![Southwest logo]()
$114
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 12/66:20 am
BOI
- SAN
1 stop4h 38m
United Airlines
Deal found 6/23![United Airlines logo]()
$117
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 June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Alaska Airlines) |
One-way from | $79 (Alaska Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $313 |
Good round-trip deal | $260 or less |
Good one-way deal | $179 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 2,558,603 searches. Data last updated June 27, 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 - SAN
BOISAN
Boise Air Term. Gowen Fld
Fri 10/9
7:37 pm-8:58 pm
Nonstop2h 21m
San Diego
Mon 10/12
10:29 am-1:47 pm
Nonstop2h 18m
$212
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Fri 8/28
6:00 am-9:35 am
1 stop4h 35m
San Diego
Mon 8/31
5:30 pm-8:40 pm
Nonstop2h 10m
$212
Quickest round-trip
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Tue 8/11
6:25 am-7:40 am
Nonstop2h 15m
San Diego
Fri 8/14
6:30 am-9:50 am
Nonstop2h 20m
$227
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Wed 8/5
7:57 am-9:24 am
Nonstop2h 27m
San Diego
Mon 8/10
10:02 pm-8:43 pm
1 stop21h 41m
$230
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Tue 7/21
7:05 pm-12:31 am
1 stop6h 26m
San Diego
Thu 7/23
11:01 am-4:44 pm
1 stop4h 43m
$236
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Sun 12/6
6:20 am-9:58 am
1 stop4h 38m
San Diego
Sat 12/19
4:06 pm-11:59 pm
1 stop6h 53m
$236
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Mon 8/17
8:00 pm-9:22 pm
Nonstop2h 22m
San Diego
Thu 8/20
1:04 pm-8:42 pm
1 stop6h 38m
$251
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Thu 7/23
7:40 pm-11:30 pm
1 stop4h 50m
San Diego
Tue 7/28
12:45 pm-8:50 pm
2 stops7h 05m
$252
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Tue 10/20
2:27 pm-5:53 pm
1 stop4h 26m
San Diego
Wed 10/21
4:00 pm-11:54 pm
2 stops6h 54m
$285
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Sun 7/12
6:45 am-7:55 am
Nonstop2h 10m
San Diego
Wed 7/15
6:50 pm-12:30 am
1 stop4h 40m
$287
Showing 1-10 of 22 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 42 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, February 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 $357). 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 June 27, 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 19% 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 June 20, 2026.
Travelers seeking maximum savings on their Boise to San Diego flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday 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 June 27, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, 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.
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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Boise and San Diego flights
Browse other Boise and San Diego flight options. Last updated on June 27, 2026.
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Top 5 airlines flying from Boise to San Diego
Discover the top 5 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 2,558,603 searches. Data last updated June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$216 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$138 | Average$276 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$142 | Average$275 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$221 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$170 | Average$276 | FlexibilityNo cancel fee | On-time63% |