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Cheap flights from San Diego to the United States from $33

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to the United States departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
3:47 pm - 5:13 pmSAN-LAS
1h 26mnonstop
Frontier Logo
11:18 am - 12:38 pmLAS-SAN
1h 20mnonstop
$59Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
7:21 pm - 8:49 pmSAN-LAS
1h 28mnonstop
Frontier Logo
10:53 am - 12:11 pmLAS-SAN
1h 18mnonstop
$61Frontier
Find Deal
Fri, Dec 26 - Sun, Dec 28
Alaska Airlines Logo
5:05 pm - 6:30 pmSAN-LAS
1h 25mnonstop
Alaska Airlines Logo
7:21 pm - 8:43 pmLAS-SAN
1h 22mnonstop
$71Alaska Airlines
Find Deal
Tue, Jan 6 - Thu, Jan 8
Alaska Airlines Logo
10:10 pm - 11:41 pmSAN-LAS
1h 31mnonstop
Alaska Airlines Logo
6:00 pm - 7:36 pmLAS-SAN
1h 36mnonstop
$77Alaska Airlines
Find Deal
Mon, Dec 22 - Thu, Dec 25
Southwest Logo
7:00 am - 8:45 amSAN-SFO
1h 45mnonstop
Southwest Logo
12:15 pm - 7:15 pmSFO-SAN
7h 00m1 stop
$87Southwest
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Fri, Dec 5 - Tue, Dec 9
Southwest Logo
9:55 pm - 11:20 pmSAN-LAS
1h 25mnonstop
Southwest Logo
7:55 pm - 11:10 pmLAS-SAN
3h 15m1 stop
$90Southwest
Find Deal
Mon, Dec 22 - Tue, Dec 23
Delta Logo
6:20 am - 10:16 amSAN-LAS
3h 56m1 stop
Delta Logo
8:00 am - 9:19 amLAS-SAN
1h 19mnonstop
$91Delta
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Wed, Dec 24 - Wed, Dec 31
Delta Logo
10:59 am - 12:33 pmSAN-LAS
1h 34mnonstop
Delta Logo
8:50 am - 10:11 amLAS-SAN
1h 21mnonstop
$107Delta
Find Deal
Wed, Nov 12 - Fri, Nov 14
American Airlines Logo
10:47 am - 9:30 pmSAN-JFK
7h 43m1 stop
American Airlines Logo
2:55 pm - 9:04 pmJFK-SAN
9h 09m1 stop
$236American Airlines
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Wed, Nov 12 - Sat, Nov 15
American Airlines Logo
10:00 am - 7:59 pmSAN-LGA
6h 59m1 stop
American Airlines Logo
7:45 am - 1:37 pmLGA-SAN
8h 52m1 stop
$245American Airlines
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Sat, Feb 14 - Sat, Feb 21

Southwest flights from San Diego to United States

Our best Southwest deals on San Diego to United States flight tickets
Southwest
Dec 5
SAN7:00 amSan Diego
1h 45m
SFO8:45 amSan Francisco
Dec 9
SFO12:15 pmSan Francisco
7h 00m
1 stop
SAN7:15 pmSan Diego
$87
Find similar
Southwest
Dec 22
SAN9:55 pmSan Diego
1h 25m
LAS11:20 pmLas Vegas Harry Reid Intl
Dec 23
LAS7:55 pmLas Vegas Harry Reid Intl
3h 15m
1 stop
SAN11:10 pmSan Diego
$90
Find similar
Southwest
Dec 13
SAN7:40 pmSan Diego
3h 15m
1 stop
LAS10:55 pmLas Vegas Harry Reid Intl
Dec 15
LAS7:40 pmLas Vegas Harry Reid Intl
1h 10m
SAN8:50 pmSan Diego
$97
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Frontier flights from San Diego to United States

Our best Frontier deals on San Diego to United States flight tickets
Frontier
Dec 4
SAN3:47 pmSan Diego
1h 26m
LAS5:13 pmLas Vegas Harry Reid Intl
Dec 8
LAS11:18 amLas Vegas Harry Reid Intl
1h 20m
SAN12:38 pmSan Diego
$59
Find similar
Frontier
Dec 26
SAN7:21 pmSan Diego
1h 28m
LAS8:49 pmLas Vegas Harry Reid Intl
Dec 28
LAS10:53 amLas Vegas Harry Reid Intl
1h 18m
SAN12:11 pmSan Diego
$61
Find similar
Frontier
Nov 3
SAN3:59 pmSan Diego
1h 29m
LAS5:28 pmLas Vegas Harry Reid Intl
Nov 17
LAS11:11 amLas Vegas Harry Reid Intl
1h 24m
SAN12:35 pmSan Diego
$62
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momondo Fare Finder

 
Customize your flight search to find flights from San Diego to United States 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, momondo users made 832,500 searches. Data last updated October 22, 2025.
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 DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Thu 12/4

3:47 pm-5:13 pm

Nonstop1h 26m

Las Vegas Harry Reid Intl

Mon 12/8

11:18 am-12:38 pm

Nonstop1h 20m

$59

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Fri 12/26

7:21 pm-8:49 pm

Nonstop1h 28m

Las Vegas Harry Reid Intl

Sun 12/28

10:53 am-12:11 pm

Nonstop1h 18m

$61

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Tue 1/6

5:05 pm-6:30 pm

Nonstop1h 25m

Las Vegas Harry Reid Intl

Thu 1/8

7:21 pm-8:43 pm

Nonstop1h 22m

$71

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 12/22

10:10 pm-11:41 pm

Nonstop1h 31m

Las Vegas Harry Reid Intl

Thu 12/25

6:00 pm-7:36 pm

Nonstop1h 36m

$77

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 12/5

7:00 am-8:45 am

Nonstop1h 45m

San Francisco

Tue 12/9

12:15 pm-7:15 pm

1 stop7h 00m

$87

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Mon 12/22

9:55 pm-11:20 pm

Nonstop1h 25m

Las Vegas Harry Reid Intl

Tue 12/23

7:55 pm-11:10 pm

1 stop3h 15m

$90

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 12/24

6:20 am-10:16 am

1 stop3h 56m

Las Vegas Harry Reid Intl

Wed 12/31

8:00 am-9:19 am

Nonstop1h 19m

$91

San DiegoLas Vegas

SAN - LAS

SANLAS

San Diego

Wed 11/12

10:59 am-12:33 pm

Nonstop1h 34m

Las Vegas Harry Reid Intl

Fri 11/14

8:50 am-10:11 am

Nonstop1h 21m

$107

San DiegoNew York

SAN - JFK

SANJFK

San Diego

Wed 11/12

10:47 am-9:30 pm

1 stop7h 43m

New York John F Kennedy Intl

Sat 11/15

2:55 pm-9:04 pm

1 stop9h 09m

$236

San DiegoNew York

SAN - LGA

SANLGA

San Diego

Sat 2/14

10:00 am-7:59 pm

1 stop6h 59m

New York LaGuardia

Sat 2/21

7:45 am-1:37 pm

1 stop8h 52m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from San Diego to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from San Diego to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $276. If you aren’t able to travel during the month of January, then book flights to United States from San Diego during February instead. Flights to United States in February, while not as cheap as those in January, still average around $297.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from San Diego. The lowest ticket price found for a Wednesday departure recently was $401. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $512. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $277. Try not to purchase tickets in the morning because they tend to be around $451. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Diego to United States flight route?

Fly from San Diego to Las Vegas Harry Reid Intl for the best San Diego - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from San Diego for as low as $291 on momondo.

What cabin class options are available on San Diego to United States flights?

There are 4 cabin classes available to choose from on San Diego to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to United States flights?

No. A direct flight is the cheapest option for a flight between San Diego to United States.

Cheap San Diego to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to United States

Best Price Found

$58

Fastest flight time

1h 20m

Direct flights

Every day

Airports in United States

1 airport
The best one-way flight to United States from San Diego in the past 72 hours is $58. The best round-trip flight deal from San Diego to United States found on momondo in the last 72 hours is $101.
The fastest flight from San Diego to United States takes 1h 20m
Direct flights go from San Diego to United States every day.
There is 1 airport near United States: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • When did momondo last update prices for flights from San Diego Airport to United States?

    Prices for flights from San Diego Airport to United States are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to United States?

  • How old do you have to be to fly from San Diego Airport to United States?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to United States?

Best airlines flying from San Diego to United States

Compare and see reviews for airlines that fly from San Diego to United States with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $27Free CancellationRating
6.3
8,097 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $29Free CancellationRating
7.8
2,788 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $36Free CancellationRating
5.8
3,130 reviews
Search Frontier flights
DeltaPriceFrom $49Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $57Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $67Free CancellationRating
8.0
11,150 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $77Free CancellationRating
8.0
4,237 reviews
Search Southwest flights
JetBluePriceFrom $148Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
American AirlinesPriceFrom $176Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to United States. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to United States with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Diego to United States flights to just show those with flexible booking policies.

How can momondo help me find flights from San Diego to United States?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United States from San Diego.

I’m not ready to book a flight from San Diego to United States right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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