Cheap Flights to San Diego County from $45 (2025/2026)

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San Diego

How Much Does it Cost To Fly To San Diego County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Oct 3 - Fri, Oct 10
SFO
San Francisco Intl.
SAN
San Diego Intl.
$85 Roundtrip, just found
$85
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 3 from San Francisco Intl. to San Diego Intl., returning Fri, Oct 10, priced at $85 just found
Mon, Sep 29 - Fri, Oct 3
SFO
San Francisco Intl.
SAN
San Diego Intl.
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 29 from San Francisco Intl. to San Diego Intl., returning Fri, Oct 3, priced at $86 just found
Mon, Oct 20 - Thu, Oct 30
SFO
San Francisco Intl.
SAN
San Diego Intl.
$91 Roundtrip, found 7 hours ago
$91
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Mon, Oct 20 from San Francisco Intl. to San Diego Intl., returning Thu, Oct 30, priced at $91 found 7 hours ago
Sat, Oct 18 - Sat, Oct 18
SFO
San Francisco Intl.
SAN
San Diego Intl.
$92 Roundtrip, found 1 day ago
$92
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 18 from San Francisco Intl. to San Diego Intl., returning Sat, Oct 18, priced at $92 found 1 day ago
Mon, Oct 6 - Thu, Oct 9
SFO
San Francisco Intl.
PSP
Palm Springs Intl.
$97 Roundtrip, found 4 days ago
$97
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 6 from San Francisco Intl. to Palm Springs Intl., returning Thu, Oct 9, priced at $97 found 4 days ago
Fri, Oct 3 - Sat, Oct 4
SFO
San Francisco Intl.
SAN
San Diego Intl.
$97 Roundtrip, found 4 hours ago
$97
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Oct 3 from San Francisco Intl. to San Diego Intl., returning Sat, Oct 4, priced at $97 found 4 hours ago
Thu, Aug 7 - Mon, Aug 18
SFO
San Francisco Intl.
SNA
John Wayne
$128 Roundtrip, found 10 hours ago
$128
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Aug 7 from San Francisco Intl. to John Wayne, returning Mon, Aug 18, priced at $128 found 10 hours ago
Sat, Sep 27 - Wed, Oct 1
PAE
Seattle Paine Field Intl. Airport
SAN
San Diego Intl.
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Sat, Sep 27 from Seattle Paine Field Intl. Airport to San Diego Intl., returning Wed, Oct 1, priced at $157 found 3 days ago
OriginDestinationTravel DatesFlights From*
SFOSan DiegoOctober 31 to November 2$83
SFOPalm SpringsOctober 6 to October 9$97
SFOSanta AnaOctober 25 to October 25$132
DENPalm SpringsNovember 3 to November 10$137
ORDSanta AnaSeptember 9 to September 11$140
BOSSanta AnaSeptember 3 to September 10$146
SEASanta AnaSeptember 27 to October 1$150
ORDCarlsbadOctober 28 to November 4$159
SFOCarlsbadSeptember 6 to September 9$159
MSPCarlsbadOctober 1 to October 7$219
MSPSanta AnaSeptember 9 to September 10$223
BOSCarlsbadSeptember 3 to September 9$257
BOSPalm SpringsNovember 1 to November 4$262
SFOImperialSeptember 8 to September 12$280
SEAImperialSeptember 27 to September 30$356
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
SFOSan DiegoAugust 9 to August 13$173
DENPalm SpringsAugust 8 to August 11$203
SFOSanta AnaAugust 8 to August 11$209
ORDSanta AnaAugust 8 to August 23$232
DENSan DiegoAugust 10 to August 14$233
SFOCarlsbadAugust 9 to August 12$250
SEASan DiegoAugust 8 to August 12$356
BOSSanta AnaAugust 9 to August 11$366
MSPSanta AnaAugust 10 to August 13$397
SEAPalm SpringsAugust 9 to August 11$434
SEACarlsbadAugust 8 to August 12$469
BOSPalm SpringsAugust 9 to August 19$555
MSPCarlsbadAugust 10 to August 28$567
BOSSan DiegoAugust 8 to August 15$635
BOSCarlsbadAugust 8 to August 11$655
*Prices include taxes and fees
Nov 24, 2019

Nice flight attendant. Overall great and efficient traveling!

A verified traveler
Oakland to Santa Ana · JetBlue Airways

Best San Diego County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Quiet Mind Mountain Lodge, Retreat and Spa
4.5-star property

Quiet Mind Mountain Lodge, Retreat and Spa

Sep 8 - Sep 15

7 night stay

Dallas (DFW) to San Diego (SAN)

Spirit Airlines • Non-stop • Coach

San Diego (SAN) to Dallas (DFW)

Frontier Airlines • Non-stop • Coach
Save 100% on your flight
per person
found 1 day ago
Alila Marea Beach Resort Encinitas, a Hyatt Luxury Resort
5.0-star property

Alila Marea Beach Resort Encinitas, a Hyatt Luxury Resort

Sep 24 - Sep 28

4 night stay

Denver (DEN) to San Diego (SAN)

United • Coach

San Diego (SAN) to Denver (DEN)

Southwest Airlines • Coach
per person
found 1 day ago
Hotel La Jolla, Curio Collection by Hilton
4.0-star property

Hotel La Jolla, Curio Collection by Hilton

Oct 19 - Oct 25

6 night stay

Denver (DEN) to San Diego (SAN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Don't see what you're looking for?
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Travelers ❤️ These San Diego County 🏨

Manchester Grand Hyatt San Diego

Manchester Grand Hyatt San Diego

4 out of 5
1 Market Pl, San Diego, CA
Stay at this 4-star eco-certified hotel in San Diego. Enjoy free WiFi, 6 restaurants, and 3 bars/lounges. Our guests praise the pool and the bar in our reviews. Popular attractions Port of San Diego and Petco Park are located nearby.
9/10 Wonderful! (2,790 reviews)
"Fun!"

Reviewed on Aug 4, 2025

Manchester Grand Hyatt San Diego
Wyndham San Diego Bayside

Wyndham San Diego Bayside

4 out of 5
1355 N Harbor Drive, San Diego, CA
Stay at this 4-star business-friendly hotel in San Diego. Enjoy free WiFi, 3 restaurants, and breakfast (surcharge). Our guests praise the pool and the restaurant in our reviews. Popular attractions Port of San Diego and USS Midway Museum are located nearby.
8.2/10 Very Good! (5,799 reviews)
"Quiet and everything was walking distance"

Reviewed on Aug 4, 2025

Wyndham San Diego Bayside
Hyatt Regency Mission Bay Spa and Marina

Hyatt Regency Mission Bay Spa and Marina

4 out of 5
1441 Quivira Rd, San Diego, CA
Stay at this 4-star spa hotel in San Diego. Enjoy free WiFi, 3 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our reviews. Popular attractions Mission Beach and Mission Bay are located nearby.
8.4/10 Very Good! (1,481 reviews)
"Location was the best! Time for a renovation of mattresses and carpet. The view was awesome!"

Reviewed on Aug 2, 2025

Hyatt Regency Mission Bay Spa and Marina
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The Dana on Mission Bay

The Dana on Mission Bay

3.5 out of 5
1710 W Mission Bay Dr, San Diego, CA
Stay at this 3.5-star business-friendly hotel in San Diego. Enjoy 2 outdoor pools, a marina, and 2 hot tubs. Our guests praise the pool and the restaurant in our reviews. Popular attractions Mission Beach and Mission Bay are located nearby.
8.8/10 Excellent! (3,596 reviews)
"The restaurant service was extremely slow"

Reviewed on Aug 1, 2025

The Dana on Mission Bay
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to San Diego County?
A roundtrip flight to San Diego County cost as little as $83 in the last seven days. Once you've chosen your travel dates, we'll help you grab the best deal. This price was available on Travelocity for flights to San Diego County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to San Diego County?
Make sure you leave October clear in your calendar, because it's the most affordable time to jet out to San Diego County. That's based on Travelocity's direct flight demand between January and December last year. With the money you save, you can treat yourself to a hotel upgrade, go to theatre or whatever else you like!
How can I check my flight status to San Diego County?
"Trips" has you sorted when it comes to the finer details of your flight to San Diego County. Travelocity's customer portal makes it possible to do everything in the same place, from checking your flight status to making updates to your itinerary. Click on Trips at the top right of the Travelocity homepage and then sign in to your account or create a new one. Alternatively, download the Travelocity app and access your details on the go. Whether you've got the family flying with you or you're a solitary wanderer, all your bookings are right there at your fingertips.
How do I find the best deals on flights to San Diego County?
One way to snap up an epic deal is to be flexible with your dates. Start by searching for your flight to San Diego County, then hit the "Flexible dates" box above the results. This will allow you to compare prices for the surrounding days. Want another tip? Book sooner than later. To give you an idea of costs, $83 was the cheapest price for a return flight to San Diego County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to San Diego County with Travelocity?
Start packing and prepare to wander wisely with Travelocity. It's our job to help you find some of the best deals on cheap flights to San Diego County. Whether you're searching for flexible airfares or cheap family flights with low-cost airlines, we've got what you need.
What are the most popular flight routes to San Diego County?
As a much-loved place to visit, it's a cinch to find flights to San Diego County. Here are some of the top routes:

  • San Francisco, CA (SFO-San Francisco Intl.) to San Diego Intl. Airport (SAN) - 2,383 flights a month.
  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego Intl. Airport (SAN) - 2,370 flights a month.
  • Denver, CO (DEN-Denver Intl.) to San Diego Intl. Airport (SAN) - 1,833 flights a month.

How much is a flight to San Diego County on average?
Get your next break off to a good start by nabbing a terrific deal with Travelocity. In the last seven days, roundtrip flights to San Diego County cost between $83 and $655. Search our site and secure an airfare that suits your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to San Diego County?
Where you fly from will typically dictate how much time your direct flight to San Diego County will be. Here are a handful of the leading routes to San Diego County and their average flight times:

  • San Francisco, CA (SFO-San Francisco Intl.) to San Diego Intl. Airport (SAN) - 1 hour and 41 minutes
  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego Intl. Airport (SAN) - 2 hours and 47 minutes
  • Denver, CO (DEN-Denver Intl.) to San Diego Intl. Airport (SAN) - 2 hours and 18 minutes

What can I expect on a flight to San Diego County?
This mostly depends on your airline and the length of your flight. Most airlines generally provide things like hot meals, snacks and entertainment on long-haul services. Whether you're looking for first class flights to San Diego County or cheap flights for family vacations, you'll be well taken care of from takeoff to touchdown.

Destinations in San Diego County

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.