$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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Apr 9 — Apr 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 February or October, booked 43 days in advance, depart on a Tuesday or Thursday 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 March 10, 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 March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:05 pm
BOI
- SAN
Nonstop2h 15m
Southwest
Sat 4/187:15 am
SAN
- BOI
2 stops8h 00m
Southwest
Deal found 3/9![Southwest logo]()
$172
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:52 am
BOI
- SAN
1 stop5h 25m
Delta
Wed 4/83:35 pm
SAN
- BOI
1 stop5h 06m
Delta
Deal found 3/9![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 3/5. 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.
Sat 4/183:25 pm
BOI
- SAN
1 stop3h 35m
Southwest
Tue 4/214:25 pm
SAN
- BOI
2 stops7h 00m
Southwest
Deal found 3/5![Southwest logo]()
$178
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:50 am
BOI
- SAN
Nonstop2h 15m
Southwest
Wed 4/1511:30 am
SAN
- BOI
1 stop3h 55m
Southwest
Deal found 3/9![Southwest logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/37:20 am
BOI
- SAN
1 stop5h 16m
Hawaiian Airlines
Sat 4/48:18 pm
SAN
- BOI
Nonstop2h 29m
Hawaiian Airlines
Deal found 3/10![Hawaiian Airlines logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
BOI
- SAN
1 stop7h 04m
Alaska Airlines
Mon 5/114:49 pm
SAN
- BOI
1 stop6h 10m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/186:32 am
BOI
- SAN
Nonstop2h 24m
Alaska Airlines
Tue 4/2110:11 am
SAN
- BOI
Nonstop2h 27m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$187
This SmartFares deal was found by Cheapflights users on 3/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:32 am
BOI
- SAN
Nonstop2h 24m
Hawaiian Airlines
Thu 4/98:18 pm
SAN
- BOI
Nonstop2h 29m
Hawaiian Airlines
Deal found 3/5![Hawaiian Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:30 pm
BOI
- SAN
2 stops6h 45m
Southwest
Fri 4/38:20 am
SAN
- BOI
Nonstop2h 25m
Southwest
Deal found 3/9![Southwest logo]()
$192
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:43 am
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Fri 5/17:37 pm
SAN
- BOI
Nonstop2h 25m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$193
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 March 10, 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 March 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 5/127:43 am
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Tue 5/1910:28 am
SAN
- BOI
Nonstop2h 30m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:10 pm
BOI
- SAN
Nonstop2h 10m
Southwest
Sun 4/57:25 pm
SAN
- BOI
1 stop5h 00m
Southwest
Deal found 3/6![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:41 pm
BOI
- SAN
1 stop6h 02m
Delta
Sat 5/301:37 pm
SAN
- BOI
1 stop7h 36m
Delta
Deal found 3/9![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:04 pm
BOI
- SAN
Nonstop2h 19m
Alaska Airlines
Sat 4/188:18 pm
SAN
- BOI
Nonstop2h 29m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/186:32 am
BOI
- SAN
Nonstop2h 24m
Alaska Airlines
Wed 4/226:03 pm
SAN
- BOI
Nonstop2h 23m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 3/8. 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.
Wed 4/157:05 am
BOI
- SAN
2 stops6h 05m
Southwest
Tue 4/217:25 am
SAN
- BOI
2 stops6h 15m
Southwest
Deal found 3/8![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:40 am
BOI
- SAN
1 stop6h 59m
Delta
Mon 6/157:10 pm
SAN
- BOI
1 stop3h 46m
Delta
Deal found 3/7![Delta logo]()
$248
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:43 am
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Mon 5/117:37 pm
SAN
- BOI
Nonstop2h 25m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:00 am
BOI
- SAN
1 stop5h 11m
Delta
Mon 7/67:10 pm
SAN
- BOI
1 stop3h 46m
Delta
Deal found 3/6![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:50 am
BOI
- SAN
Nonstop2h 15m
Southwest
Mon 5/256:35 pm
SAN
- BOI
Nonstop2h 15m
Southwest
Deal found 3/6![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:15 pm
BOI
- SAN
Nonstop2h 10m
Southwest
Sat 6/278:20 pm
SAN
- BOI
Nonstop2h 10m
Southwest
Deal found 3/6![Southwest logo]()
$267
Last-minute flights from Boise to San DiegoDiscover last-minute flight deals from Boise to San Diego. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to San Diego. Data last updated March 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:52 am
BOI
- SAN
1 stop5h 25m
Delta
Wed 4/83:35 pm
SAN
- BOI
1 stop5h 06m
Delta
Deal found 3/9![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:30 pm
BOI
- SAN
2 stops6h 45m
Southwest
Fri 4/38:20 am
SAN
- BOI
Nonstop2h 25m
Southwest
Deal found 3/9![Southwest logo]()
$192
This SmartFares deal was found by Cheapflights users on 3/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:32 am
BOI
- SAN
Nonstop2h 24m
Hawaiian Airlines
Thu 4/98:18 pm
SAN
- BOI
Nonstop2h 29m
Hawaiian Airlines
Deal found 3/5![Hawaiian Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/37:20 am
BOI
- SAN
1 stop5h 16m
Hawaiian Airlines
Sat 4/48:18 pm
SAN
- BOI
Nonstop2h 29m
Hawaiian Airlines
Deal found 3/10![Hawaiian Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:50 am
BOI
- SAN
Nonstop2h 15m
Southwest
Wed 4/1511:30 am
SAN
- BOI
1 stop3h 55m
Southwest
Deal found 3/9![Southwest logo]()
$183
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:05 pm
BOI
- SAN
Nonstop2h 15m
Southwest
Sat 4/187:15 am
SAN
- BOI
2 stops8h 00m
Southwest
Deal found 3/9![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 3/5. 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.
Sat 4/183:25 pm
BOI
- SAN
2 stops6h 35m
Southwest
Tue 4/2111:30 am
SAN
- BOI
1 stop3h 55m
Southwest
Deal found 3/5![Southwest logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/186:32 am
BOI
- SAN
Nonstop2h 24m
Alaska Airlines
Tue 4/2110:11 am
SAN
- BOI
Nonstop2h 27m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$187
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:43 am
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Fri 5/17:37 pm
SAN
- BOI
Nonstop2h 25m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$193
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 March 10, 2026.
Search for one-way flight options from Boise to San Diego. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/5. 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.
Sat 4/47:10 am
BOI
- SAN
Nonstop2h 20m
Southwest
Deal found 3/5![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 3/8. 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 4/145:00 pm
BOI
- SAN
1 stop3h 40m
Southwest
Deal found 3/8![Southwest logo]()
$84
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:15 pm
BOI
- SAN
1 stop6h 33m
Delta
Deal found 3/9![Delta logo]()
$89
This CheapOair deal was found by Cheapflights users on 3/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:21 pm
BOI
- SAN
1 stop12h 34m
Frontier
Deal found 3/5![Frontier logo]()
$92
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:05 am
BOI
- SAN
2 stops6h 05m
Southwest
Deal found 3/9![Southwest logo]()
$94
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:43 am
BOI
- SAN
Nonstop2h 22m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$99
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:34 am
BOI
- SAN
1 stop8h 33m
Delta
Deal found 3/9![Delta logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:12 pm
BOI
- SAN
Nonstop2h 23m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$110
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:05 pm
BOI
- SAN
2 stops8h 50m
Southwest
Deal found 3/9![Southwest logo]()
$114
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:12 pm
BOI
- SAN
Nonstop2h 23m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$119
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:05 pm
BOI
- SAN
1 stop6h 25m
United Airlines
Deal found 3/9![United Airlines logo]()
$120
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:11 am
BOI
- SAN
1 stop4h 09m
United Airlines
Deal found 3/6![United Airlines logo]()
$124
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $172 (Southwest) |
One-way from | $79 (Southwest) |
Popular in | March |
Cheapest in | February |
Average price | $357 |
Good round-trip deal | $217 or less |
Good one-way deal | $118 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 March 10, 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
Tue 5/12
7:43 am-9:05 am
Nonstop2h 22m
San Diego
Tue 5/19
10:28 am-1:58 pm
Nonstop2h 30m
$187
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
8:18 pm-11:47 pm
Nonstop2h 29m
$187
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Sat 4/18
6:32 am-7:56 am
Nonstop2h 24m
San Diego
Wed 4/22
6:03 pm-9:26 pm
Nonstop2h 23m
$187
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Thu 4/2
6:10 pm-7:20 pm
Nonstop2h 10m
San Diego
Sun 4/5
7:25 pm-1:25 am
1 stop5h 00m
$207
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Fri 5/8
7:43 am-9:05 am
Nonstop2h 22m
San Diego
Mon 5/11
7:37 pm-11:02 pm
Nonstop2h 25m
$207
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Wed 4/15
7:05 am-12:10 pm
2 stops6h 05m
San Diego
Tue 4/21
7:25 am-2:40 pm
2 stops6h 15m
$217
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Wed 5/27
6:41 pm-11:43 pm
1 stop6h 02m
San Diego
Sat 5/30
1:37 pm-10:13 pm
1 stop7h 36m
$237
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Wed 6/10
8:40 am-2:39 pm
1 stop6h 59m
San Diego
Mon 6/15
7:10 pm-11:56 pm
1 stop3h 46m
$248
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Thu 7/2
6:00 am-10:11 am
1 stop5h 11m
San Diego
Mon 7/6
7:10 pm-11:56 pm
1 stop3h 46m
$257
BoiseSan Diego
BOI - SAN
BOISAN
Boise Air Term. Gowen Fld
Thu 5/21
8:50 am-10:05 am
Nonstop2h 15m
San Diego
Mon 5/25
6:35 pm-9:50 pm
Nonstop2h 15m
$257
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 March.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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?
Use this chart to determine the optimal time to book a round-trip flight from Boise to San Diego. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Boise to San Diego, you should look to book at least 43 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, August is the cheapest month in which you can book a flight from Boise to San Diego (average of $77). Flying from Boise to San Diego in December is currently the most expensive (average of $168). 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 March 10, 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 in the evening, which can drop the price by up to 11% versus a flight in the morning.
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 February 21, 2026.
Travelers seeking maximum savings on their Boise to San Diego flight should consider departing on Wednesday evenings 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 March 10, 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.
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
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
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Boise and San Diego flights
Browse other Boise and San Diego flight options. Last updated on March 10, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Top 6 airlines flying from Boise to San Diego
Discover the top 6 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$175 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$286 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$108 | Average$216 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$277 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$142 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$170 | Average$274 | FlexibilityNo cancel fee | On-time63% |