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Cheap Flights from Pittsburgh International to San Diego International

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      Travellers and cabin class, 1 Adult, Economy
      Southwest Airlines
      Breeze Airways

      Compare Pittsburgh International to San Diego International flight deals

      Find the cheapest month or even day of the year to fly to San Diego International

      Book the best San Diego International fare with no extra fees

      Flight deals from Pittsburgh International to San Diego International

      Looking for a cheap last-minute deal or the best return flight from Pittsburgh International Airport to San Diego International Airport? If you want to travel next month, return fares start from Rs75,212. Find the lowest prices on one-way and return tickets right here.
      San Diego.Rs34,969 per passenger.Departing Sun, 15 Nov.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Pittsburgh International on Sun, 15 Nov, arriving in San Diego International.Price includes taxes and charges.From Rs34,969, select.
      San Diego.Rs38,029 per passenger.Departing Sat, 19 Sep.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from Pittsburgh International on Sat, 19 Sep, arriving in San Diego International.Price includes taxes and charges.From Rs38,029, select.
      San Diego.Rs38,064 per passenger.Departing Tue, 20 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Tue, 20 Oct, arriving in San Diego International.Price includes taxes and charges.From Rs38,064, select.
      San Diego.Rs42,185 per passenger.Departing Wed, 17 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Wed, 17 Feb, arriving in San Diego International.Price includes taxes and charges.From Rs42,185, select.
      San Diego.Rs43,853 per passenger.Departing Fri, 30 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Fri, 30 Oct, arriving in San Diego International.Price includes taxes and charges.From Rs43,853, select.
      San Diego.Rs45,087 per passenger.Departing Mon, 7 Sep.One-way flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Pittsburgh International on Mon, 7 Sep, arriving in San Diego International.Price includes taxes and charges.From Rs45,087, select.
      San Diego.Rs45,200 per passenger.Departing Fri, 11 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Fri, 11 Dec, arriving in San Diego International.Price includes taxes and charges.From Rs45,200, select.
      San Diego.Rs46,736 per passenger.Departing Sun, 1 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Sun, 1 Nov, arriving in San Diego International.Price includes taxes and charges.From Rs46,736, select.
      San Diego.Rs48,559 per passenger.Departing Fri, 11 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Fri, 11 Dec, arriving in San Diego International.Price includes taxes and charges.From Rs48,559, select.
      San Diego.Rs49,182 per passenger.Departing Wed, 13 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Wed, 13 Jan, arriving in San Diego International.Price includes taxes and charges.From Rs49,182, select.
      San Diego.Rs53,541 per passenger.Departing Mon, 31 Aug.One-way flight with Breeze Airways.Outbound direct flight with Breeze Airways departs from Pittsburgh International on Mon, 31 Aug, arriving in San Diego International.Price includes taxes and charges.From Rs53,541, select.
      San Diego.Rs56,006 per passenger.Departing Thu, 11 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Thu, 11 Feb, arriving in San Diego International.Price includes taxes and charges.From Rs56,006, select.
      San Diego.Rs56,450 per passenger.Departing Fri, 15 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Fri, 15 Jan, arriving in San Diego International.Price includes taxes and charges.From Rs56,450, select.

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

      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 International flights are currently cheapest in November.
      Aug
      from Rs53,541
      Sep
      from Rs38,029
      Oct
      from Rs38,064
      Nov
      from Rs34,969
      Dec
      from Rs45,200
      Jan
      from Rs49,182
      Feb
      from Rs42,185
      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Direct flights from Pittsburgh International to San Diego International

      Breeze Airways
      Southwest Airlines

      Pittsburgh International to San Diego International: Alternative routes

      Compare routes from Pittsburgh International to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

      San Diego International

      4km from central San Diego
      ClosestCheapest
      from Rs34,969
      Search flights

      McClellan-Palomar

      48km from central San Diego
      from Rs104,960
      Search flights

      Pittsburgh to San Diego: Flight information

      The things to know before you go.
      Cheapest flight foundRs34,969
      Cheapest month to flyNovember
      Average flight time5 hrs, 9 mins
      Most popular airlineSouthwest Airlines
      Average flights per week4

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

      The best price we found for a return flight from Pittsburgh International to San Diego International is Rs74,920. 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.
      5 hours and 9 minutes is the average flight time from Pittsburgh International to San Diego International.
      Southwest Airlines and Breeze Airways fly direct from Pittsburgh International to San Diego International.
      As of August 2026, there are 4 flights per week flying from Pittsburgh International to San Diego International.
      The cheapest month to fly from Pittsburgh International to San Diego International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to San Diego International Airport on Tuesday, 29 September 2026.
      Yes – the average flight time is 5 hours and 9 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 International 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.

      Currently, United and Southwest Airlines offer the cheapest flight tickets to San Diego International.

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

      • Around 5 hours is how long you can expect to be in the air on a direct flight from Pittsburgh International Airport to San Diego International Airport.

      • The timezone in San Diego is UTC-8, which is three hours behind Pittsburgh.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to board your PIT to SAN flight.

      • During popular months like July, it's best to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during a peak period in general.

      • Travelling to San Diego (and then exploring more of the United States!) is easy with Southwest Airlines. This popular airline has direct flights from Pittsburgh International Airport to San Diego International Airport.

      • The airline with the highest booking volume on this route is Southwest Airlines.

      • If you'd like to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Pittsburgh International Airport to San Diego International Airport. Here are the top stopovers between PIT and SAN:

        • Dallas Fort Worth International Airport

        • Denver International Airport

        • Phoenix Sky Harbour Airport

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

      • Rs34,969 is currently the best price for a one-way Pittsburgh International Airport to San Diego International Airport flight. Return flights start from Rs75,212. These fares can change depending on demand and availability.

      • To find cheap tickets from PIT to SAN, book as early as you can. Airlines generally offer lower prices when flights are first made available.

      • May is the cheapest month for flights from Pittsburgh International Airport to San Diego International Airport. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

      • Snapping up cheap flights from PIT to SAN couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

      • Choose your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Pittsburgh International Airport to San Diego International Airport.

      Handy information about Pittsburgh International Airport (PIT)

      • PIT is located at 1000 Airport Boulevard.

      • When it comes to Pittsburgh International Airport's on-time performance, data shows 77% of flights arrive within the scheduled timeframe.

      • Pittsburgh International Airport is about 32 kilometres from central Pittsburgh. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 30 minutes or so to arrive, depending on the traffic.

      • The journey when using public transport typically takes 45 minutes.

      • Searching for a handy hotel close to PIT? If you've booked an early flight from Pittsburgh International Airport to San Diego International Airport, these stays will have you sleeping moments from your check-in counter:

      Arriving at San Diego International Airport (SAN)

      Getting from San Diego International Airport (SAN) to central San Diego

      • You'll find SAN at N Harbour Dr.

      • San Diego International Airport to central San Diego has a drive time of around 15 minutes. It's approximately 5 kilometres away.

      • It typically takes 25 minutes if you're using public transport.

      When to fly to San Diego International Airport (SAN)

      • It's time to plan your trip dates for your flight from Pittsburgh International Airport to San Diego International Airport. August is the most popular month to head to San Diego. If you'd like a quieter vibe, go in March.

      • The warmest month in San Diego is August, with temperatures ranging between 16ºC and 27ºC. Book your flights from Pittsburgh International Airport to San Diego International Airport in this month if this is the type of weather you like.

      • Look for cheap tickets from PIT to SAN in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC and 22ºC on average.

      Explore more of the United States

      • You've visited San Diego, now it's time to explore other corners of the United States. Travel about 177 kilometres north-west to Los Angeles to tick off its leading attractions. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, you've got a jam-packed schedule ahead.

      • If you're looking to explore another side of the United States, head for Phoenix, roughly 483 kilometres east of San Diego. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are key reasons to visit.

      More travel options

      Plan the rest of your trip from Pittsburgh to San Diego

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.