155 € Cheap Flights from Pittsburgh International to San Diego

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Flight deals from Pittsburgh International to San Diego

Looking for a cheap last-minute deal or the best return flight from Pittsburgh International to San Diego? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Pittsburgh International to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Pittsburgh International to San Diego flights are currently cheapest in February.

Direct flights from Pittsburgh International to San Diego

Alternative Pittsburgh International to San Diego routes

Looking for the cheapest, fastest or easiest route from Pittsburgh International to San Diego? You could fly into the following airports instead.

Pittsburgh to San Diego: Flight information

The things to know before you go.
Cheapest flight found155 €
Cheapest month to flyFebruary
Average flight time4 hrs, 55 mins
Most popular airlineSouthwest Airlines
Average flights per week6

Finding cheap flights from Pittsburgh International to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Pittsburgh International to San Diego is 155 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 55 minutes is the average flight time from Pittsburgh International to San Diego.
Southwest Airlines and Breeze Airways fly direct from Pittsburgh International to San Diego.
As of December 2025, there are 6 flights per week flying from Pittsburgh International to San Diego.
The cheapest month to fly from Pittsburgh International to San Diego is usually February.
If you're flying from Pittsburgh International Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from 155 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to San Diego on Monday, 2 February 2026.
Yes – the average flight time is 4 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 13°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Frontier Airlines and Breeze Airways offer the cheapest flight tickets to San Diego.

Travelling from Pittsburgh International Airport (PIT) to San Diego: what you need to know

  • Expect to be in the air for 4 hours 55 minutes. That's the average duration of a direct flight from Pittsburgh International Airport to San Diego.

  • San Diego is three hours behind Pittsburgh, where Pittsburgh International Airport is located. San Diego follows the UTC-7 timezone.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you can comfortably board your PIT to San Diego flight.

  • If you're jetting off during a bank holiday or another peak period, allow for even more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • Direct Pittsburgh International Airport to San Diego tickets are available for booking. San Diego International Airport (SAN) is where you'll disembark.

  • Breeze Airways is a well-known airline that operates direct flights from Pittsburgh International Airport to San Diego.

  • Central Pittsburgh to PIT is around 21 kilometres. Depending on traffic, it'll take you about 25 minutes to reach there if you're driving, catching a cab or ride-sharing.

  • Searching for a hotel close to PIT? If you've booked an early flight from Pittsburgh International Airport to San Diego, these stays will put you moments from your departure gate:

  • 76.88% of flights that leave from Pittsburgh International Airport land at their destination on schedule.

  • You'll find PIT at 1000 Airport Boulevard.

How to find the cheapest flights from Pittsburgh International Airport (PIT) to San Diego

  • The lowest price we've found for a one-way Pittsburgh International Airport to San Diego flight is 100 €. The cheapest price for a return flight is 155 €. Keep in mind fares can change due to demand at the time of booking.

  • Book one month before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from PIT to San Diego.

  • May is the best month for scoring a fantastic deal on Pittsburgh International Airport to San Diego tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • There's no need to check back constantly to see if fares have dropped when you create a Price Alert. We'll notify you the moment there's an updated deal for cheap flights from PIT to San Diego.

  • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Pittsburgh International Airport to San Diego.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to the centre of San Diego takes about 10 minutes by car. The centre is roughly 5 kilometres away.

  • If you're travelling on public transport, expect a journey time of around 20 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Pittsburgh International Airport to San Diego. Reserve one of these accommodation options near SAN instead:

  • Go wherever you want, whenever you want with a San Diego International Airport rental car. Pick up a set of wheels from Thrifty, Dollar or Budget and see more of San Diego and beyond.

  • To secure the lowest price, book your vehicle from San Diego International Airport about two weeks in advance of your flight from PIT to San Diego.

  • The address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is roughly 56 kilometres from central San Diego. Once you've disembarked your flight from Pittsburgh International Airport to San Diego, it'll take you around 40 minutes to reach the heart of the city in a cab or ride-share.

  • The trip will take about 2 hours 15 minutes on public transport.

  • After stepping off your PIT to San Diego flight, tuck yourself in at a hotel close to CLD. These are some great accommodation options that'll help you slip into relaxation mode:

  • The quickest way to get to where you're going is with a McClellan-Palomar Airport rental car. Pick up a set of wheels from Budget, Hertz or Avis and be on your way in a flash.

  • Pick the vehicle you actually want, not just what's left over, by reserving your ride from CLD in advance. You'll also avoid paying more than you have to, especially when the airport is busy.

Best time to go to San Diego

  • Travel to San Diego in high season if you prefer a bustling atmosphere, but remember that hotel prices are usually higher. Alternatively, book flights from Pittsburgh International Airport to San Diego in the off-season when prices are cheaper and it's not as busy.

  • Book a Pittsburgh International Airport to San Diego plane ticket with a departure in August to explore the city during its warmest month. You can expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • February sees average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Search for a cheap ticket from PIT to San Diego around that time if you want to travel in cooler conditions.

More about San Diego

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in San Diego right here. Check out these hotels once you've booked your flight from Pittsburgh International Airport to San Diego:

  • All great holidays should include some sightseeing. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are essential stops on your San Diego itinerary.

Explore more of United States

  • Los Angeles is just one of the many places in United States waiting to be explored once you've taken in the sights of San Diego. Around 177 kilometres away to the north-west, its top attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another favourite destination in United States and is around 483 kilometres east of San Diego. No trip is complete without visiting Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.