$139 Cheap Delta flights San Diego (SAN) to Pittsburgh (PIT)

You can discover cheap round-trip Delta Air Lines flights from $273 from SAN to PIT by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $139 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to Pittsburgh are typically cheaper in the off-peak months of January and February. Whether you need a one-way or a return ticket, you could score a better deal then.

To find cheap Delta Air Lines fares from San Diego Intl. Airport (SAN) to Pittsburgh Intl. Airport (PIT), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact how much you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on the “Nonstop” filter when browsing for direct Delta Air Lines flights from SAN to PIT. It’s also a great way to compare other carriers offering the same nonstop trip.

To find the earliest departure from SAN to PIT with Delta Air Lines, sort your results by “Morning” and “Early Morning.” Booking an early flight usually means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Pittsburgh Intl. Airport (PIT) is the main Pittsburgh gateway for Delta Air Lines flights from San Diego Intl. Airport (SAN).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many travelers heading from SAN to PIT. Plus, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our “Changes included” and “No cancel fee” boxes while looking for flights. For additional information on changing or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”