Which airlines fly to San Diego?

American Airlines, Southwest, Alaska Airlines and Frontier are the most popular airlines that fly from United States to San Diego on a routine basis, according to our data. You should be able to find flights to San Diego with these airlines and other airlines flying from United States.

Alaska Airlines Flights to San Diego

There are 57 Alaska Airlines flights to San Diego in a normal week. The most common departure point is Dallas/Fort Worth and the best Alaska Airlines ticket price seen on momondo is $57 (last 72 hours, from Atlanta Hartsfield-Jackson, to San Diego). Alaska Airlines has a score of 8.0 from 10,000 user reviews on momondo.

Southwest Flights to San Diego

Southwest flight deals to San Diego start from $81 - this is the best price found recently on momondo, and was a round-trip journey departing from Atlanta Hartsfield-Jackson. Over any normal week, Southwest flight prices are typically higher, but vary depending on where you fly from - Las Vegas Harry Reid Intl is the most popular Southwest departure point to San Diego so generally has the most availability. Southwest is scored a 8.0/10 in 4,248 reviews.

How long does it take to fly to San Diego?

On average, it takes 54m to fly from United States to San Diego if you fly out of Los Angeles (the most popular airport in United States) and into San Diego (the most popular airport in San Diego). If you’re flying out of Miami and into San Diego, then the flight time is around 5h 18m.

$39 Cheap Flights to San Diego in 2025

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Find the cheapest flights from the United States to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 7:41 amSFO-SAN

1h 41mnonstop

10:18 pm - 11:59 pmSAN-SFO

1h 41mnonstop

$77Hawaiian Airlines

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Tue, Sep 30 - Fri, Oct 3

6:15 pm - 7:55 pmSFO-SAN

1h 40mnonstop

12:00 pm - 1:50 pmSAN-SFO

1h 50mnonstop

$78Southwest

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Tue, Dec 2 - Sun, Dec 7

2:53 pm - 4:32 pmSFO-SAN

1h 39mnonstop

5:28 pm - 7:13 pmSAN-SFO

1h 45mnonstop

$83Frontier

Find Deal

Fri, Oct 24 - Mon, Oct 27

2:53 pm - 4:32 pmSFO-SAN

1h 39mnonstop

5:28 pm - 7:13 pmSAN-SFO

1h 45mnonstop

$85Frontier

Find Deal

Fri, Oct 17 - Mon, Oct 20

1:30 pm - 3:06 pmSJC-SAN

1h 36mnonstop

8:11 am - 9:57 amSAN-SJC

1h 46mnonstop

$95Alaska Airlines

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Tue, Oct 7 - Wed, Oct 8

6:00 am - 7:41 amSFO-SAN

1h 41mnonstop

10:18 pm - 11:59 pmSAN-SFO

1h 41mnonstop

$97Alaska Airlines

Find Deal

Mon, Sep 29 - Fri, Oct 3

7:12 am - 8:24 amDFW-SAN

3h 12mnonstop

5:00 pm - 10:09 pmSAN-DFW

3h 09mnonstop

$163American Airlines

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Wed, Oct 1 - Wed, Oct 8

5:25 pm - 8:58 pmBOS-SAN

6h 33mnonstop

10:26 pm - 6:55 amSAN-BOS

5h 29mnonstop

$227Delta

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Wed, Dec 3 - Fri, Dec 5

6:34 am - 3:30 pmIAD-SAN

11h 56m2 stops

12:18 pm - 10:51 pmSAN-IAD

7h 33m1 stop

$242American Airlines

Find Deal

Sat, Oct 25 - Tue, Oct 28

8:25 pm - 11:29 pmJFK-SAN

6h 04mnonstop

7:00 am - 3:45 pmSAN-JFK

5h 45mnonstop

$242Delta

Find Deal

Thu, Sep 25 - Sat, Oct 4

Fly from

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 9/30

6:00 am-7:41 am

Nonstop1h 41m

San Diego

Fri 10/3

10:18 pm-11:59 pm

Nonstop1h 41m

$77

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 12/2

6:15 pm-7:55 pm

Nonstop1h 40m

San Diego

Sun 12/7

12:00 pm-1:50 pm

Nonstop1h 50m

$78

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 10/24

2:53 pm-4:32 pm

Nonstop1h 39m

San Diego

Mon 10/27

5:28 pm-7:13 pm

Nonstop1h 45m

$83

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 10/17

2:53 pm-4:32 pm

Nonstop1h 39m

San Diego

Mon 10/20

5:28 pm-7:13 pm

Nonstop1h 45m

$85

San JoseSan Diego

SJC - SAN

SJCSAN

San Jose

Tue 10/7

1:30 pm-3:06 pm

Nonstop1h 36m

San Diego

Wed 10/8

8:11 am-9:57 am

Nonstop1h 46m

$95

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Mon 9/29

6:00 am-7:41 am

Nonstop1h 41m

San Diego

Fri 10/3

10:18 pm-11:59 pm

Nonstop1h 41m

$97

DallasSan Diego

DFW - SAN

DFWSAN

Dallas/Fort Worth

Wed 10/1

7:12 am-8:24 am

Nonstop3h 12m

San Diego

Wed 10/8

5:00 pm-10:09 pm

Nonstop3h 09m

$163

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 12/3

5:25 pm-8:58 pm

Nonstop6h 33m

San Diego

Fri 12/5

10:26 pm-6:55 am

Nonstop5h 29m

$227

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Sat 10/25

6:34 am-3:30 pm

2 stops11h 56m

San Diego

Tue 10/28

12:18 pm-10:51 pm

1 stop7h 33m

$242

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Thu 9/25

8:25 pm-11:29 pm

Nonstop6h 04m

San Diego

Sat 10/4

7:00 am-3:45 pm

Nonstop5h 45m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Diego flights insights and trends

Explore insights for your San Diego flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from United States during the month September is also very affordable. Most momondo users find prices during this month for around $328.

What is the absolute cheapest flight to San Diego?

Users booking trips to San Diego from Las Vegas found flights 83% cheaper than the average price of flights to San Diego. To find the cheapest price to San Diego from your area, use momondo’s Airport-to-Airport Pricing Tool.

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What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from United States to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $370. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $471. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $386. Flights at noon are often more expensive with an average ticket price of $437.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from United States for as low as $309 on momondo.

Cheap San Diego flight deals and tips

Summary info about San Diego flight prices, duration and airlines

Best One-Way Price	$39
Best Round-Trip Price	$77
Fastest flight time	1h 22m
Popular in	December

The best one-way flight price to San Diego from United States in the last 72 hours is $39 (San Francisco to San Diego).

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The best round-trip flight price to San Diego from United States in the last 72 hours is $77 (San Francisco to San Diego).

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The fastest flight to San Diego from United States takes 1h 22m (San Jose to San Diego).

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December has the highest demand for flights to San Diego, with a 6% price increase on average.

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Frequently asked questions about flying to San Diego

When is the best time to plan a beach trip to San Diego?

Beaches like La Jolla Cove are most often visited during August, as the weather is usually above 70 degrees fahrenheit with a low chance of rain. Consider visiting Mission Beach during your San Diego visit as well.

How far in advance should I book a flight to San Diego?

Most flyers found that booking tickets 88 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $385. However, in the past 72 hours, people saw flights from United States for as low as $312.

Is there an alternative airport near San Diego?

San Diego Carlsbad-Palomar Airport, Santa Ana J. Wayne/Orange Cnty Airport, Palm Springs Airport, Long Beach Municipal Airport or Ontario Airport can be an alternative airport used for travel to San Diego.

Is there a cheaper alternative to flying into San Diego?

The cheapest airport near San Diego is typically Long Beach Municipal Airport with an average price of $282/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Diego Airport?

Prices for flights to San Diego Airport refresh daily.

How many operators does momondo search for flights to San Diego Airport?

The number of operators available for flights to San Diego Airport is 34 as of September 2025.

How old do you have to be to fly to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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La Mesa

National City

Imperial Beach

Poway

San Ysidro

Borrego Springs

Lemon Grove

Alpine

Santee

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to San Diego. momondo saves you time and could save you money on your trip.

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

Yes. All flights to San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to San Diego?

momondo helps you find the best flight to San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.