$28 Cheap Flights to South Bay, CA

View $28 flight on Mon, May 11, 2026Opens in a new window

Popular airlines

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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How much is the cheapest flight to South Bay?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jun 1 - Wed, Jun 10
SFO
San Francisco
SAN
San Diego
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jun 1 from San Francisco to San Diego, returning Wed, Jun 10, priced at $56 just found
Southwest Airlines
Tue, Jun 2 - Wed, Jun 10
SFO
San Francisco
SAN
San Diego
$87 Roundtrip, found 2 hours ago
$87
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Jun 2 from San Francisco to San Diego, returning Wed, Jun 10, priced at $87 found 2 hours ago
United
Sat, May 9 - Tue, May 12
SFO
San Francisco
SAN
San Diego
$117 Roundtrip, just found
$117
Roundtrip
just found
Select United flight, departing Sat, May 9 from San Francisco to San Diego, returning Tue, May 12, priced at $117 just found
Delta
Sat, May 30 - Wed, Jun 3
SFO
San Francisco
SAN
San Diego
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Sat, May 30 from San Francisco to San Diego, returning Wed, Jun 3, priced at $157 just found
American Airlines
Wed, May 6 - Sat, May 9
SFO
San Francisco
SAN
San Diego
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, May 6 from San Francisco to San Diego, returning Sat, May 9, priced at $159 found 2 hours ago

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Flights from $406
TIJ
General Abelardo L. Rodriguez Intl.
Flights from $406

Frequently asked questions

What month is the cheapest to fly to South Bay?
June is the cheapest month to fly to South Bay. There's less demand then, so you're likely to score a great deal. Booking your trip outside of public holidays and school breaks could also help you save.
Which US cities have the cheapest flights to South Bay?
Typically, you'll find that San Francisco, Las Vegas and San Jose offer cheap flights to South Bay. Flexibility, however, is key to bagging the best prices. Fly during low season or midweek to keep costs down.
Which US cities fly direct to South Bay?
There are 51 US destinations where you can fly to South Bay nonstop from. Explore the options by using the "Direct flights only" filter on Expedia and pick the ideal starting point for you. Here are a few of the major cities to set off from:

  • San Francisco
  • Las Vegas
  • San Jose
  • Denver
  • Phoenix

How to find a cheap flight to South Bay?
To get cheap flights to South Bay, book early and visit during the off-peak months of January and February. Want an insider tip? Depart on a Thursday and save around 16% on average compared to traveling on a Sunday.* Set up price tracking on the Expedia app and we'll notify you as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to South Bay?
It's possible to get awesome deals on last-minute departures to South Bay, especially if your plans are flexible. Consider jetting out of a different hub, tweaking your trip dates or picking another airline to get a cheap flight to South Bay.
How far in advance should I book a flight to South Bay?
For some of the best deals on domestic journeys, book your flight to South Bay 28 days ahead of your travel dates. For international flights, it's two to four months in advance. This gives you a better chance of securing your preferred departure times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to South Bay?
You can generally find cheap flights to South Bay on Sundays. You can save about 8% on average compared to booking on a Friday, which is often the most expensive day to buy tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to South Bay?
Choose the window or aisle seat and travel to South Bay with either of these leading airlines:

  • Alaska Airlines - 1,725 flights to South Bay each month, including 1,725 flights to San Diego Intl. Airport (SAN) per month.
  • United Airlines - 980 flights to South Bay each month, including 980 flights to San Diego Intl. Airport (SAN) per month.

Where do you fly into South Bay?
When flying to South Bay, the main airport to land at is San Diego Intl. Airport (SAN). You can also head for nearby hubs like McClellan-Palomar Airport (CLD), San Diego, CA (SDM-Brown Field Municipal) or San Diego, CA (SEE-Gillespie Field). Another option to consider when you fly to South Bay is San Diego, CA (MYF-Montgomery Field).
Can I save money by booking a South Bay trip package?
Book a South Bay flight and hotel package deal on Expedia, and you can enjoy significant savings. It's easy to bundle your accommodations and flights, and you can even add car rentals and tours to create your own personalized South Bay break. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to South Bay?
You can usually change or cancel your flight to South Bay within 24 hours of booking. However, keep in mind that some flights are non-refundable. In those cases, you may receive a credit toward a future flight instead of a direct refund. Make sure you check the airline's terms of service in your itinerary for specific details. You can use Expedia's "No cancel fee" or "Changes included" filters during your search to secure cheap flights to South Bay with flexible change policies. To learn more, browse our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
San Diego Intl.
Destination airport IATA code
SAN
Destination city name
San Diego
Roundtrip price
$56

Trending flights to South Bay

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, May 12 - Wed, May 13
DTW
Detroit
SAN
San Diego
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, May 12 from Detroit to San Diego, returning Wed, May 13, priced at $160 found 1 hour ago

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