Which airlines fly to San Diego?

American Airlines, Southwest, Alaska Airlines and United Airlines 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 39 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 $58 (last 72 hours, from Atlanta Hartsfield-Jackson, to San Diego). Alaska Airlines has a score of 8.0 from 11,241 user reviews on momondo.

Southwest Flights to San Diego

Southwest flight deals to San Diego start from $77 - 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 - San Jose is the most popular Southwest departure point to San Diego so generally has the most availability. Southwest is scored a 8.0/10 in 4,239 reviews.

How long does it take to fly to San Diego?

On average, it takes 52m 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 38m.

$39 Cheap Flights to San Diego in 2025/26

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Find the cheapest flights from the United States to San Diego

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One-way

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Cheap round-trip flights

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5:43 pm - 7:15 pmDEN-SAN

2h 32mnonstop

6:34 am - 10:12 amSAN-DEN

2h 38mnonstop

$58Frontier

Find Deal

vie., dic. 5 - sáb., dic. 6

5:43 pm - 7:15 pmDEN-SAN

2h 32mnonstop

4:47 pm - 8:20 pmSAN-DEN

2h 33mnonstop

$59Frontier

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jue., dic. 18 - jue., dic. 25

9:57 pm - 11:30 pmSFO-SAN

1h 33mnonstop

6:15 am - 8:06 amSAN-SFO

1h 51mnonstop

$77Alaska Airlines

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mié., dic. 3 - mar., dic. 9

7:00 am - 8:40 amSFO-SAN

1h 40mnonstop

6:15 am - 8:06 amSAN-SFO

1h 51mnonstop

$106Alaska Airlines

Find Deal

mar., nov. 18 - mié., dic. 3

3:15 pm - 9:10 pmSFO-SAN

5h 55m2 stops

7:00 am - 8:45 amSAN-SFO

1h 45mnonstop

$112Southwest

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mié., dic. 3 - vie., dic. 5

9:55 pm - 11:25 pmDEN-SAN

2h 30mnonstop

8:50 pm - 12:15 amSAN-DEN

2h 25mnonstop

$117Southwest

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mar., dic. 30 - vie., ene. 2

6:10 pm - 8:48 pmORD-SAN

4h 38mnonstop

3:06 pm - 9:25 pmSAN-ORD

4h 19mnonstop

$168American Airlines

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mié., nov. 26 - jue., dic. 4

6:10 pm - 8:48 pmORD-SAN

4h 38mnonstop

3:08 pm - 9:26 pmSAN-ORD

4h 18mnonstop

$172American Airlines

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mié., nov. 26 - mar., dic. 2

7:55 pm - 10:45 pmSEA-SAN

2h 50mnonstop

7:05 pm - 10:23 pmSAN-SEA

3h 18mnonstop

$177Delta

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sáb., dic. 6 - mar., dic. 9

3:25 pm - 6:13 pmSEA-SAN

2h 48mnonstop

3:15 pm - 6:30 pmSAN-SEA

3h 15mnonstop

$187Delta

Find Deal

mié., dic. 3 - dom., dic. 14

Fly from

Route

Depart

Return

Price

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

vie. 12/5

5:43 pm-7:15 pm

Nonstop2h 32m

San Diego

sáb. 12/6

6:34 am-10:12 am

Nonstop2h 38m

$58

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

jue. 12/18

5:43 pm-7:15 pm

Nonstop2h 32m

San Diego

jue. 12/25

4:47 pm-8:20 pm

Nonstop2h 33m

$59

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

mié. 12/3

9:57 pm-11:30 pm

Nonstop1h 33m

San Diego

mar. 12/9

6:15 am-8:06 am

Nonstop1h 51m

$77

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

mar. 11/18

7:00 am-8:40 am

Nonstop1h 40m

San Diego

mié. 12/3

6:15 am-8:06 am

Nonstop1h 51m

$106

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

mié. 12/3

3:15 pm-9:10 pm

2 stops5h 55m

San Diego

vie. 12/5

7:00 am-8:45 am

Nonstop1h 45m

$112

DenverSan Diego

DEN - SAN

DENSAN

Denver Intl

mar. 12/30

9:55 pm-11:25 pm

Nonstop2h 30m

San Diego

vie. 1/2

8:50 pm-12:15 am

Nonstop2h 25m

$117

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

mié. 11/26

6:10 pm-8:48 pm

Nonstop4h 38m

San Diego

jue. 12/4

3:06 pm-9:25 pm

Nonstop4h 19m

$168

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

mié. 11/26

6:10 pm-8:48 pm

Nonstop4h 38m

San Diego

mar. 12/2

3:08 pm-9:26 pm

Nonstop4h 18m

$172

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

sáb. 12/6

7:55 pm-10:45 pm

Nonstop2h 50m

San Diego

mar. 12/9

7:05 pm-10:23 pm

Nonstop3h 18m

$177

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

mié. 12/3

3:25 pm-6:13 pm

Nonstop2h 48m

San Diego

dom. 12/14

3:15 pm-6:30 pm

Nonstop3h 15m

$187

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 September, then departing from United States during the month January is also very affordable. Most momondo users find prices during this month for around $333.

What is the absolute cheapest flight to San Diego?

Users booking trips to San Diego from Las Vegas found flights 86% 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.

See prices from:

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 $372. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $470. 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 $391. 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 $370 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 $311 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	$58
Fastest flight time	1h 38m
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 $58 (Denver Intl to San Diego).

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The fastest flight to San Diego from United States takes 1h 38m (San Francisco to San Diego).

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December has the highest demand for flights to San Diego, with a 7% 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 $387. However, in the past 72 hours, people saw flights from United States for as low as $317.

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 $347/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 33 as of November 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.

Coronado

Chula Vista

El Cajon

Julian

National City

Imperial Beach

La Mesa

Poway

Borrego Springs

San Ysidro

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.