$32+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Diego to USA with Cheapflights
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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
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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
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 January 20, 2026.
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 January 20, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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.
This Super.com deal was found by Cheapflights users on 1/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/18. 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.
This CheapOair deal was found by Cheapflights users on 1/18. 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.
This Frontier deal was found by Cheapflights users on 1/18. 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.
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
This Super.com deal was found by Cheapflights users on 1/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/17. 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.
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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.
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
This eDestinos deal was found by Cheapflights users on 1/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find 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 January 20, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $52 (Cheapflightsfares) |
One-way from | $32 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $302 |
Good round-trip deal | $110 or less |
Good one-way deal | $72 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Diego to the United States that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Tue 3/31
8:25 am-11:59 am
Nonstop2h 34m
Denver Intl
Thu 4/2
6:15 am-7:52 am
Nonstop2h 37m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Wed 2/25
3:07 pm-4:37 pm
Nonstop1h 30m
Las Vegas Harry Reid Intl
Wed 2/25
6:58 pm-8:19 pm
Nonstop1h 21m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 4/6
3:34 pm-5:10 pm
Nonstop1h 36m
Las Vegas Harry Reid Intl
Tue 4/7
12:55 pm-2:15 pm
Nonstop1h 20m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Wed 5/6
7:55 am-11:20 am
Nonstop2h 25m
Denver Intl
Fri 5/8
9:05 pm-10:35 pm
Nonstop2h 30m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Sun 2/22
3:07 pm-4:37 pm
Nonstop1h 30m
Las Vegas Harry Reid Intl
Tue 2/24
6:00 am-7:17 am
Nonstop1h 17m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Wed 4/1
3:34 pm-5:10 pm
Nonstop1h 36m
Las Vegas Harry Reid Intl
Fri 4/3
12:55 pm-2:15 pm
Nonstop1h 20m
San DiegoSalt Lake City
SAN - SLC
SANSLC
San Diego
Wed 2/25
7:11 am-8:44 am
1 stop24h 33m
Salt Lake City
Mon 3/2
10:43 pm-11:47 pm
Nonstop2h 04m
San DiegoDenver
SAN - DEN
SANDEN
San Diego
Mon 2/2
11:49 am-3:18 pm
Nonstop2h 29m
Denver Intl
Sat 2/7
9:44 pm-11:31 pm
Nonstop2h 47m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Sun 4/12
8:05 am-9:30 am
Nonstop1h 25m
Las Vegas Harry Reid Intl
Sun 4/19
6:05 am-7:20 am
Nonstop1h 15m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 3/16
7:40 am-9:16 am
Nonstop1h 36m
Las Vegas Harry Reid Intl
Thu 3/19
6:08 am-9:07 am
1 stop2h 59m
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.
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, February is the cheapest month in which you can book a flight from San Diego to USA (average of $19). Flying from San Diego to USA in July is currently the most expensive (average of $42). 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 January 20, 2026.
It’s typically best to fly out from San Diego to USA in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from San Diego to USA?
Use this chart to determine the cheapest time to fly round-trip from San Diego to USA. Price data was last updated on January 17, 2026.
Travelers seeking maximum savings on their San Diego to USA flight should consider departing on Monday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 January 20, 2026.
The most flights from SAN to US0 are scheduled on a Tuesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).
How often are flights from San Diego to the United States delayed?
About 16% of weekly flights between San Diego and United States have experienced delays in the past year, with the average delay time being 137 minutes.
What is the most punctual flight time for San Diego to the United States flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Diego to the United States flights?
Over the last year, Sun Country Air have had the lowest number of delays on this route, with just 10% of flights being delayed.
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 January 20, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Diego to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jan 2026
STS - LAX
Entertainment
Food
Overall
Crew
Comfort
Boarding
Reviews
Anonymous,Jan 2026
STS - LAX
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 9 airlines flying from San Diego to USA
Discover the top 9 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 January 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$22 | Average$164 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$28 | Average$256 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$35 | Average$177 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$48 | Average$284 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$57 | Average$325 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$74 | Average$341 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$77 | Average$334 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$95 | Average$306 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$401 | FlexibilityNo cancel fee | On-time71% |