Flights to San Diego

$32 Cheap flights to San Diego

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Diego departing on 9/22. 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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Cheap round-trip flights

Spirit Airlines Logo
6:30 am - 6:42 pmOAK-SAN
12h 12m1 stop
Spirit Airlines Logo
8:24 am - 10:01 amSAN-OAK
1h 37mnonstop
$70Spirit Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
Spirit Airlines Logo
10:56 am - 12:40 pmOAK-SAN
1h 44mnonstop
Spirit Airlines Logo
7:47 pm - 11:32 pmSAN-OAK
3h 45m1 stop
$71Spirit Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 10
Spirit Airlines Logo
2:39 pm - 6:42 pmOAK-SAN
4h 03m1 stop
Spirit Airlines Logo
8:24 am - 10:01 amSAN-OAK
1h 37mnonstop
$72Spirit Airlines
Find Deal
Tue, Sep 9 - Fri, Sep 12
Frontier Logo
3:14 pm - 4:57 pmSFO-SAN
1h 43mnonstop
Frontier Logo
12:12 pm - 2:04 pmSAN-SFO
1h 52mnonstop
$73Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Frontier Logo
1:27 pm - 3:08 pmSFO-SAN
1h 41mnonstop
Frontier Logo
10:30 am - 12:22 pmSAN-SFO
1h 52mnonstop
$74Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 6
Alaska Airlines Logo
7:10 am - 8:52 amSFO-SAN
1h 42mnonstop
Alaska Airlines Logo
10:18 pm - 11:59 pmSAN-SFO
1h 41mnonstop
$77Alaska Airlines
Find Deal
Wed, Sep 17 - Mon, Sep 22
Alaska Airlines Logo
10:26 am - 12:16 pmSFO-SAN
1h 50mnonstop
Alaska Airlines Logo
4:00 pm - 5:45 pmSAN-SFO
1h 45mnonstop
$92Alaska Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 15
Delta Logo
7:30 pm - 10:24 pmSEA-SAN
2h 54mnonstop
Delta Logo
7:29 am - 10:35 amSAN-SEA
3h 06mnonstop
$187Delta
Find Deal
Sat, Sep 20 - Sun, Sep 21
Delta Logo
10:00 am - 12:57 pmSEA-SAN
2h 57mnonstop
Delta Logo
7:29 am - 10:35 amSAN-SEA
3h 06mnonstop
$197Delta
Find Deal
Thu, Sep 18 - Sun, Sep 21
American Airlines Logo
9:12 am - 6:24 pmIAD-SAN
12h 12m2 stops
American Airlines Logo
12:43 pm - 10:28 pmSAN-IAD
6h 45m1 stop
$262American Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15

momondo Fare Finder

 
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 28, 2025.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Wed 9/10

6:30 am-6:42 pm

1 stop12h 12m

San Diego

Wed 9/17

8:24 am-10:01 am

Nonstop1h 37m

$70

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Wed 9/10

10:56 am-12:40 pm

Nonstop1h 44m

San Diego

Wed 9/10

7:47 pm-11:32 pm

1 stop3h 45m

$71

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Tue 9/9

2:39 pm-6:42 pm

1 stop4h 03m

San Diego

Fri 9/12

8:24 am-10:01 am

Nonstop1h 37m

$72

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Thu 10/30

3:14 pm-4:57 pm

Nonstop1h 43m

San Diego

Sun 11/2

12:12 pm-2:04 pm

Nonstop1h 52m

$73

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 10/3

1:27 pm-3:08 pm

Nonstop1h 41m

San Diego

Mon 10/6

10:30 am-12:22 pm

Nonstop1h 52m

$74

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 9/17

7:10 am-8:52 am

Nonstop1h 42m

San Diego

Mon 9/22

10:18 pm-11:59 pm

Nonstop1h 41m

$77

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 10/15

10:26 am-12:16 pm

Nonstop1h 50m

San Diego

Wed 10/15

4:00 pm-5:45 pm

Nonstop1h 45m

$92

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Sat 9/20

7:30 pm-10:24 pm

Nonstop2h 54m

San Diego

Sun 9/21

7:29 am-10:35 am

Nonstop3h 06m

$187

SeattleSan Diego

SEA - SAN

SEASAN

Seattle/Tacoma Intl

Thu 9/18

10:00 am-12:57 pm

Nonstop2h 57m

San Diego

Sun 9/21

7:29 am-10:35 am

Nonstop3h 06m

$197

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Sat 11/8

9:12 am-6:24 pm

2 stops12h 12m

San Diego

Sat 11/15

12:43 pm-10:28 pm

1 stop6h 45m

$262

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 San Diego from

San Diego flights insights and trends

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

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 October is also very affordable. Most momondo users find prices during this month for around $327.

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 $369. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $467. 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 $381. 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 $311 on momondo.

Cheap San Diego flight deals and tips

Summary info about San Diego flight prices, duration and airlines

Best One-Way Price

$32

Best Round-Trip Price

$70

Fastest flight time

1h 30m

Popular in

December
The best one-way flight price to San Diego from United States in the last 72 hours is $32 (Oakland to San Diego).
The best round-trip flight price to San Diego from United States in the last 72 hours is $70 (Oakland to San Diego).
The fastest flight to San Diego from United States takes 1h 30m (San Francisco to San Diego).
December has the highest demand for flights to San Diego, with a 6% price increase on average.

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?

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.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
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.

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1 adult
Tue 9/2
Tue 9/9

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