$39+ Cheap flights from San Diego (SAN) to the United States
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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAX
May 20 — May 271
1 adult, Economy
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Find cheap flights from San Diego to USA 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.Cheap flight deals from San Diego to USA
Keep the following information in mind while searching for San Diego to USA flight deals. Data was last updated May 15, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $57 (United Airlines) |
One-way from | $39 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $346 |
Good round-trip deal | $88 or less |
Good one-way deal | $53 or less |
Find flight deals from San Diego to USA
Cheapest flights from San Diego to USAExplore the most affordable flight options available from San Diego to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.
Explore the most affordable flight options available from San Diego to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.
This United Airlines deal was found by Cheapflights users on 5/14. 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 6/66:20 amSAN - SFO
Nonstop1h 38mUnited Airlines
Fri 6/610:35 pmSFO - SAN
Nonstop1h 40mUnited Airlines
Deal found 5/14![United Airlines logo]()
$57
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 5/295:22 pmSAN - SFO
Nonstop1h 47mFrontier
Mon 6/29:35 amSFO - SAN
Nonstop1h 42mFrontier
Deal found 5/14![Frontier logo]()
$67
This Trip.com deal was found by Cheapflights users on 5/14. 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.
Thu 5/2910:15 pmSAN - SFO
Nonstop1h 38mMultiple Airlines
Sun 6/19:35 amSFO - SAN
Nonstop1h 42mMultiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$73
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 5/2910:15 pmSAN - SFO
Nonstop1h 38mAlaska Airlines
Tue 6/177:20 amSFO - SAN
Nonstop1h 42mAlaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$77
This Hawaiian Airlines deal was found by Cheapflights users on 5/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/412:34 pmSAN - SFO
Nonstop1h 45mHawaiian Airlines
Wed 6/49:59 pmSFO - SAN
Nonstop1h 39mHawaiian Airlines
Deal found 5/15![Hawaiian Airlines logo]()
$92
This Frontier deal was found by Cheapflights users on 5/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:41 amSAN - DEN
Nonstop2h 31mFrontier
Sun 5/2510:29 pmDEN - SAN
Nonstop2h 30mFrontier
Deal found 5/14![Frontier logo]()
$117
This Southwest deal was found by Cheapflights users on 5/14. 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 8/88:50 pmSAN - SFO
Nonstop1h 35mSouthwest
Thu 8/145:15 amSFO - SAN
1 stop6h 30mSouthwest
Deal found 5/14![Southwest logo]()
$132
This Booking.com deal was found by Cheapflights users on 5/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:09 amSAN - SEA
1 stop6h 44mMultiple Airlines
Wed 11/126:00 amSEA - SAN
1 stop16h 30mMultiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 5/296:58 pmSAN - SEA
1 stop5h 12mSpirit Airlines
Mon 6/23:20 pmSEA - SAN
1 stop8h 36mSpirit Airlines
Deal found 5/15![Spirit Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 8/2812:50 pmSAN - SFO
1 stop7h 16mAmerican Airlines
Sun 8/315:50 amSFO - SAN
1 stop6h 09mAmerican Airlines
Deal found 5/15![American Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 5/15. 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 6/512:50 pmSAN - SEA
1 stop25h 21mFrontier
Thu 6/127:48 pmSEA - SAN
1 stop23h 51mFrontier
Deal found 5/15![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 5/15. 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 6/47:15 pmSAN - SEA
Nonstop3h 10mDelta
Sat 6/710:10 amSEA - SAN
Nonstop2h 55mDelta
Deal found 5/15![Delta logo]()
$177
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to USA 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 May 15, 2025.
Use the filters below to find and compare flights from San Diego to the United States that are best for you.
Fly from
San Diego
Fly to
USA
Route
Depart
Return
Price
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 6/5
6:20 am-7:58 am
Nonstop1h 38m
San Francisco
Sun 6/8
10:35 pm-12:15 am
Nonstop1h 40m
$57
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 7/10
5:53 pm-7:39 pm
Nonstop1h 46m
San Francisco
Tue 7/15
6:00 am-7:42 am
Nonstop1h 42m
$73
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Tue 6/3
12:34 pm-2:19 pm
Nonstop1h 45m
San Francisco
Mon 6/9
9:59 pm-11:38 pm
Nonstop1h 39m
$77
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 5/30
5:22 pm-7:09 pm
Nonstop1h 47m
San Francisco
Sun 6/1
9:35 am-11:17 am
Nonstop1h 42m
$78
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 6/4
12:34 pm-2:19 pm
Nonstop1h 45m
San Francisco
Wed 6/4
9:59 pm-11:38 pm
Nonstop1h 39m
$92
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Sat 6/7
6:25 am-10:00 am
Nonstop2h 35m
Denver Intl
Wed 6/11
9:45 pm-11:14 pm
Nonstop2h 29m
$117
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 5/28
5:40 pm-10:15 pm
1 stop4h 35m
San Francisco
Thu 5/29
6:35 am-8:05 am
Nonstop1h 30m
$146
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Sat 11/8
9:09 am-3:53 pm
1 stop6h 44m
Seattle/Tacoma Intl
Wed 11/12
6:00 am-10:30 pm
1 stop16h 30m
$166
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 5/29
6:58 pm-12:10 am
1 stop5h 12m
Seattle/Tacoma Intl
Mon 6/2
3:20 pm-11:56 pm
1 stop8h 36m
$167
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 6/5
12:50 pm-2:11 pm
1 stop25h 21m
Seattle/Tacoma Intl
Thu 6/12
7:48 pm-7:39 pm
1 stop23h 51m
$170
Showing 1-10 of 60 results
Best time to book a flight from San Diego to USA
Have a flexible travel schedule? Discover the best time to fly to USA from San Diego with our price prediction graph.
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 San Diego to the United States
What is the cheapest month to book a flight from San Diego to USA?
Currently, January is the cheapest month in which you can book a flight from San Diego to USA (average of $246). Flying from San Diego to USA in March is currently the most expensive (average of $327). 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 SAN to US?
Find hourly flight availability from San Diego to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2025.
When flying from San Diego to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Diego to USA
Explore weekly flight availability from San Diego to USA. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 15, 2025.
The most flights from SAN to US0 are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 on average).
Rainfall in USA by month
Plan your trip to USA by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in USA ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit USA when rainfall is around 2.8 in.
Temperature in USA by month
Plan your trip to USA by taking into account the average temperature totals by month.
If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).
Reviews of airlines servicing USA
Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated May 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Diego to USA to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
7.1
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Entertainment
7.1
Food
7.1
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Entertainment
7.1
Food
7.1
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Entertainment
7.1
Food
7.1
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Entertainment
7.1
Food
7.1
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Entertainment
7.1
Food
7.1
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from San Diego to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to USA
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from San Diego to USA
Discover the top 10 airlines that operate flights from San Diego to USA. 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 May 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$174 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$28 | Average$278 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$37 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$57 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$59 | Average$292 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$68 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$95 | Average$349 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$113 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$123 | Average$355 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$196 | FlexibilityNo cancel fee | On-timeN/A |