Cheap flights from San Diego to the United States from $36

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 4/22. 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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Frontier Logo
8:35 am - 12:09 pm
SAN
-
DEN
2h 34mnonstop
Frontier Logo
6:44 am - 8:24 am
DEN
-
SAN
2h 40mnonstop
$50Frontier
Fri, Feb 27 - Sun, Mar 1
Frontier Logo
12:23 pm - 3:56 pm
SAN
-
DEN
2h 33mnonstop
Frontier Logo
10:29 pm - 12:08 am
DEN
-
SAN
2h 39mnonstop
$55Frontier
Sat, Feb 21 - Mon, Feb 23
Frontier Logo
6:25 am - 10:00 am
SAN
-
DEN
2h 35mnonstop
Frontier Logo
10:29 pm - 12:08 am
DEN
-
SAN
2h 39mnonstop
$56Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
6:25 am - 10:00 am
SAN
-
DEN
2h 35mnonstop
Frontier Logo
10:29 pm - 12:08 am
DEN
-
SAN
2h 39mnonstop
$57Frontier
Thu, Mar 12 - Thu, Mar 19
Southwest Logo
6:25 am - 8:15 am
SAN
-
SFO
1h 50mnonstop
Southwest Logo
3:00 pm - 7:10 pm
SFO
-
SAN
4h 10m
1 stop
$117Southwest
Fri, Feb 27 - Wed, Mar 4
United Airlines Logo
6:15 am - 8:05 am
SAN
-
SFO
1h 50mnonstop
United Airlines Logo
7:00 am - 8:40 am
SFO
-
SAN
1h 40mnonstop
$124United Airlines
Mon, Mar 9 - Mon, Mar 16
Alaska Airlines Logo
7:35 am - 4:00 pm
SAN
-
JFK
5h 25mnonstop
Alaska Airlines Logo
4:40 pm - 8:07 pm
JFK
-
SAN
6h 27mnonstop
$206Alaska Airlines
Mon, Mar 16 - Wed, Mar 25
Alaska Airlines Logo
7:35 am - 4:00 pm
SAN
-
JFK
5h 25mnonstop
Alaska Airlines Logo
4:45 pm - 8:15 am
JFK
-
SAN
18h 30m
1 stop
$207Alaska Airlines
Mon, Mar 9 - Tue, Mar 17
Delta Logo
9:55 pm - 9:32 am
SAN
-
EWR
8h 37m
1 stop
Delta Logo
6:00 am - 12:58 pm
EWR
-
SAN
9h 58m
1 stop
$237Delta
Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
10:30 pm - 6:38 am
SAN
-
EWR
5h 08mnonstop
United Airlines Logo
5:59 pm - 9:23 pm
EWR
-
SAN
6h 24mnonstop
$240United Airlines
Fri, Mar 6 - Tue, Mar 10

United Airlines flights from San Diego to United States

Our best United Airlines deals on San Diego to United States flight tickets
United Airlines
Mar 9
SAN6:15 amSan Diego
1h 50m
SFO8:05 amSan Francisco
Mar 16
SFO7:00 amSan Francisco
1h 40m
SAN8:40 amSan Diego
$124
United Airlines
Feb 19
SAN7:45 amSan Diego
1h 50m
SFO9:35 amSan Francisco
Feb 23
SFO6:25 pmSan Francisco
5h 15m
1 stop
SAN11:40 pmSan Diego
$136
United Airlines
Feb 26
SAN6:10 pmSan Diego
5h 00m
1 stop
SFO11:10 pmSan Francisco
Mar 1
SFO7:00 amSan Francisco
1h 40m
SAN8:40 amSan Diego
$146

Alaska Airlines flights from San Diego to United States

Our best Alaska Airlines deals on San Diego to United States flight tickets
Alaska Airlines
Mar 4
SAN8:00 amSan Diego
1h 55m
SFO9:55 amSan Francisco
Mar 12
SFO8:11 amSan Francisco
1h 38m
SAN9:49 amSan Diego
$126
Alaska Airlines
Mar 4
SAN8:00 amSan Diego
1h 55m
SFO9:55 amSan Francisco
Mar 7
SFO6:40 amSan Francisco
1h 38m
SAN8:18 amSan Diego
$137
Alaska Airlines
Mar 3
SAN8:59 pmSan Diego
11h 47m
1 stop
SFO8:46 amSan Francisco
Mar 11
SFO8:11 amSan Francisco
1h 38m
SAN9:49 amSan Diego
$140

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 January 26, 2026.
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

Fri 2/27

8:35 am-12:09 pm

Nonstop2h 34m

Denver Intl

Sun 3/1

6:44 am-8:24 am

Nonstop2h 40m

$50

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Sat 2/21

12:23 pm-3:56 pm

Nonstop2h 33m

Denver Intl

Mon 2/23

10:29 pm-12:08 am

Nonstop2h 39m

$55

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Fri 2/27

6:25 am-10:00 am

Nonstop2h 35m

Denver Intl

Mon 3/2

10:29 pm-12:08 am

Nonstop2h 39m

$56

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 3/12

6:25 am-10:00 am

Nonstop2h 35m

Denver Intl

Thu 3/19

10:29 pm-12:08 am

Nonstop2h 39m

$57

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 2/27

6:25 am-8:15 am

Nonstop1h 50m

San Francisco

Wed 3/4

3:00 pm-7:10 pm

1 stop4h 10m

$117

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Mon 3/9

6:15 am-8:05 am

Nonstop1h 50m

San Francisco

Mon 3/16

7:00 am-8:40 am

Nonstop1h 40m

$124

San DiegoNew York

SAN - JFK

SANJFK

San Diego

Mon 3/16

7:35 am-4:00 pm

Nonstop5h 25m

New York John F Kennedy Intl

Wed 3/25

4:40 pm-8:07 pm

Nonstop6h 27m

$206

San DiegoNew York

SAN - JFK

SANJFK

San Diego

Mon 3/9

7:35 am-4:00 pm

Nonstop5h 25m

New York John F Kennedy Intl

Tue 3/17

4:45 pm-8:15 am

1 stop18h 30m

$207

San DiegoNewark

SAN - EWR

SANEWR

San Diego

Wed 3/11

9:55 pm-9:32 am

1 stop8h 37m

Newark

Wed 3/18

6:00 am-12:58 pm

1 stop9h 58m

$237

San DiegoNewark

SAN - EWR

SANEWR

San Diego

Fri 3/6

10:30 pm-6:38 am

Nonstop5h 08m

Newark

Tue 3/10

5:59 pm-9:23 pm

Nonstop6h 24m

$240

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, February 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 $297. If you aren’t able to travel during the month of February, then book flights to United States from San Diego during January instead. Flights to United States in January, while not as cheap as those in February, still average around $307.

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

According to our data, Thursday is the cheapest day to fly to United States from San Diego. The lowest ticket price found for a Thursday departure recently was $398. 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 $503. 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 $239. Try not to purchase tickets in the morning because they tend to be around $439. 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 $338 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

$70

Fastest flight time

1h 01m

Direct flights

Every day

Airports in United States

4,296 airports
The best one-way flight to United States from San Diego in the past 72 hours is $70. The best round-trip flight deal from San Diego to United States found on momondo in the last 72 hours is $118.
The fastest flight from San Diego to United States takes 1h 01m
Direct flights go from San Diego to United States every day.
There are 4,296 airports in United States. From San Diego there are direct flights to Las Vegas Harry Reid Intl (LAS).
  • 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 $22Free CancellationRating
6.3
8,379 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $28Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $37Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
DeltaPriceFrom $48Free CancellationRating
7.9
8,113 reviews
Search Delta flights
United AirlinesPriceFrom $57Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $77Free CancellationRating
8.0
11,791 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $77Free CancellationRating
8.0
4,268 reviews
Search Southwest flights
JetBluePriceFrom $95Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,189 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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1 adult
Wed 2/25
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