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$30+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LAX
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$53
(FlightHub)

One-way from

$30
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$332

Good round-trip deal

$87 or less

Good one-way deal

$58 or less
From San Diego to USA
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One-way flight from San Diego to USA
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from San Diego to USA.
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Price to beat on a one-way flight from San Diego to USA.
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Find flight deals from San Diego to USA

Cheapest flights from San Diego to USA
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 August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:15 amSAN - LAS
Nonstop1h 25mSpirit Airlines
Wed 9/106:05 amLAS - SAN
Nonstop1h 24mSpirit Airlines
Deal found 8/12$53
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:01 pmSAN - LAS
Nonstop1h 25mSpirit Airlines
Tue 8/2610:25 pmLAS - SAN
Nonstop1h 12mSpirit Airlines
Deal found 8/12$54
This Priceline deal was found by Cheapflights users on 8/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:01 pmSAN - LAS
Nonstop1h 25mSpirit Airlines
Sun 8/316:05 amLAS - SAN
Nonstop1h 16mSpirit Airlines
Deal found 8/14$55
This Justfly.com deal was found by Cheapflights users on 8/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:47 pmSAN - LAS
Nonstop1h 24mMultiple Airlines
Fri 9/1210:01 pmLAS - SAN
Nonstop1h 16mMultiple Airlines
Deal found 8/12$56
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:15 amSAN - LAS
Nonstop1h 23mSpirit Airlines
Wed 8/274:42 pmLAS - SAN
Nonstop1h 14mSpirit Airlines
Deal found 8/14$57
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:47 pmSAN - LAS
Nonstop1h 24mSpirit Airlines
Sun 9/76:05 amLAS - SAN
Nonstop1h 24mSpirit Airlines
Deal found 8/14$58
This Frontier deal was found by Cheapflights users on 8/13. 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.
Mon 10/203:23 pmSAN - LAS
Nonstop1h 29mFrontier
Wed 10/228:00 pmLAS - SAN
Nonstop1h 20mFrontier
Deal found 8/13$59
This Frontier deal was found by Cheapflights users on 8/13. 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.
Mon 9/1512:33 pmSAN - LAS
Nonstop1h 29mFrontier
Mon 9/1510:01 pmLAS - SAN
Nonstop1h 16mFrontier
Deal found 8/13$60
This Frontier deal was found by Cheapflights users on 8/13. 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.
Sun 9/146:25 amSAN - LAS
Nonstop1h 29mFrontier
Mon 9/1510:01 pmLAS - SAN
Nonstop1h 16mFrontier
Deal found 8/13$61
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:15 amSAN - LAS
Nonstop1h 25mMultiple Airlines
Sun 9/710:20 amLAS - SAN
Nonstop1h 28mMultiple Airlines
Deal found 8/14$62
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 10/217:47 pmSAN - LAS
Nonstop1h 24mMultiple Airlines
Thu 10/239:46 pmLAS - SAN
Nonstop1h 18mMultiple Airlines
Deal found 8/13$63
This Frontier deal was found by Cheapflights users on 8/11. 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 9/1812:33 pmSAN - LAS
Nonstop1h 29mFrontier
Tue 9/238:00 pmLAS - SAN
Nonstop1h 24mFrontier
Deal found 8/11$64

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 August 14, 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 DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 9/8

6:15 am-7:40 am

Nonstop1h 25m

Las Vegas Harry Reid Intl

Wed 9/10

10:14 pm-11:34 pm

Nonstop1h 20m

$53

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 9/4

7:47 pm-9:11 pm

Nonstop1h 24m

Las Vegas Harry Reid Intl

Wed 9/10

10:14 pm-11:34 pm

Nonstop1h 20m

$53

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 9/4

8:25 am-9:49 am

Nonstop1h 24m

Las Vegas Harry Reid Intl

Sat 9/6

10:14 pm-11:34 pm

Nonstop1h 20m

$53

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 9/18

7:47 pm-9:11 pm

Nonstop1h 24m

Las Vegas Harry Reid Intl

Sat 9/20

5:14 pm-6:42 pm

Nonstop1h 28m

$53

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 9/10

1:35 pm-3:00 pm

Nonstop1h 25m

Las Vegas Harry Reid Intl

Fri 9/12

5:14 pm-6:42 pm

Nonstop1h 28m

$53

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 10/23

6:25 am-7:52 am

Nonstop1h 27m

Las Vegas Harry Reid Intl

Thu 10/23

10:34 am-12:01 pm

Nonstop1h 27m

$55

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sun 9/14

7:47 pm-9:11 pm

Nonstop1h 24m

Las Vegas Harry Reid Intl

Fri 9/19

9:06 pm-10:26 pm

Nonstop1h 20m

$58

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 9/5

6:15 am-7:40 am

Nonstop1h 25m

Las Vegas Harry Reid Intl

Sun 9/7

6:05 am-7:29 am

Nonstop1h 24m

$58

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Sat 9/13

7:47 pm-9:11 pm

Nonstop1h 24m

Las Vegas Harry Reid Intl

Mon 9/15

9:06 pm-10:26 pm

Nonstop1h 20m

$58

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 9/23

10:38 am-12:20 pm

Nonstop1h 42m

San Francisco

Tue 9/23

1:30 pm-3:08 pm

Nonstop1h 38m

$72

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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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 $326). 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 August 14, 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 August 14, 2025.

The most flights from SAN to US0 are scheduled on a Wednesday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

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 August 14, 2025.
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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.8
Fair
3,217 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly from for flights from San Diego to United States?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to United States.

  • How popular is this San Diego to USA flight route?

    The San Diego to United States flight path was viewed by 82 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from San Diego to USA one-way?

    $30 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $31 and $48, respectively.

  • What are the most popular routes from San Diego to USA?

    The most popular flight routes from San Diego to USA are San Diego - New York John F Kennedy Intl, San Diego - Seattle/Tacoma Intl and San Diego - Newark.

  • What are the most reliable airlines from San Diego to USA?

    Before booking your flight to USA from San Diego, check out the most reliable airlines to get you to your destination on time: Lufthansa (97%), China Eastern (97%), Asiana Airlines( 95%).

  • What are the cheapest flights from San Diego to USA?

    The cheapest flight price from San Diego to USA is $148. On average you can expect to pay $866. The most popular route, (San Diego - New York John F Kennedy Intl), can usually be booked for $224.

  • Can I find deals for flights from San Diego to USA that include hotel bookings?

    Yes. In addition to deals on San Diego to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to USA.

  • Can I find deals for business class flights from San Diego to USA?

    Yes. Cheapflights offers flight deals from San Diego to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $326). 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.

See more FAQs

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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.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$27Average$166FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$28Average$280FlexibilityNo cancel feeOn-time85%
FrontierCheapest$36Average$167FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$57Average$342FlexibilityNo cancel feeOn-time69%
DeltaCheapest$58Average$300FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$67Average$351FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$88Average$344FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$123Average$354FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$386FlexibilityNo cancel feeOn-time71%

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