Cheap flights to San Diego starting from $631

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Diego flights across hundreds of providers

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

      Book the best San Diego fare with no extra fees

      Flight deals to San Diego

      Looking for a cheap last-minute deal or the best return flight to San Diego? If you want to travel to San Diego next month, return fares start from $1,137. Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? We looked at every economy class flight to San Diego. These fares have the biggest savings when compared to the average price.

      Find the cheapest time to fly to San Diego

      Flexible on travel dates? Find the cheapest month – or even day – to fly to San Diego.

      Airports in San Diego

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

      Frequently asked questions

      There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
      Currently, there are no airlines that fly direct to San Diego. But we found flights with one or more stops from $1,126.
      The cheapest month to fly to San Diego is usually October.
      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.
      No airlines currently offer direct flights between Singapore and San Diego. Most routes have one or more stops.
      The best price we found for a return flight to San Diego is $1,126. 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.
      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 $1,126.
      After crunching the numbers on our flight calendar, we found that the cheapest date to fly to San Diego is Thursday, 29 October 2026.

      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.

      The average temperature in San Diego in September is around 21°C. The warmest month in San Diego is typically September, which averages 24°C. The coolest month is March, with temperatures averaging 12°C. The rainiest month is March, and it usually rains the least in July.
      Currently, Air Canada offers the cheapest flight tickets to San Diego.

      Flying to San Diego

      The things to know before you go.
      Cheapest flight found$631
      Cheapest month to flyOctober

      Discover San Diego

      How to find cheap flights to San Diego

      • The cheapest price we've found for a one-way flight to San Diego is $631. A round-trip ticket starts at $1,126.

      • Let the best deals come to you by creating a Price Alert. You'll get an email or a notification through the app when ticket prices go down.

      • The earlier you book, the better. You might even be able to find some incredible early bird deals on your flight.

      • Expand your search for cheap flights to San Diego by clicking the 'Add nearby airports' box. This gives you access to fares for surrounding airports, which could offer bigger savings.

      • Indirect routes can often save you money, so consider taking a flight with a stop. Simply uncheck the 'Direct flights' box when searching for your plane tickets.

      Best time to go to San Diego

      • If your travel dates are flexible, take advantage of the 'Whole month' tool. It'll help you find the month or even day of the year with the cheapest flights.

      • August sees the highest demand for flights. The city is typically in full swing, so you'll always find things to do.

      • The quietest time to travel is March. Book your plane tickets to San Diego then and enjoy sightseeing at a more relaxed pace.

      • The weather can make or break a trip, so consider what kind of conditions you want to travel in. San Diego is warmest in August, averaging between 16ºC (61ºF) and 27ºC (81ºF).

      • February is when temperatures hit their lowest, between 8ºC (46ºF) and 22ºC (72ºF).

      • June is your best bet for sunshine. This is the driest month in San Diego.

      Travelling to San Diego: what you need to know

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

      • Central San Diego is about 5 kilometres from SAN, the city's main airport.

      • If you're taking a taxi or ride-sharing after your flight to San Diego, it'll take around 15 minutes to get to the centre.

      • Expect the ride to take about 25 minutes when using public transport.

      • Slip into bed not long after your flight to San Diego. Put your bags down at one of these hotels near San Diego International Airport and you'll be snoozing in no time:

      • Eager to be on the road right away? You can pick up a car rental at SAN with top brands such as Thrifty, Dollar and Budget. Hop in and get ready to explore San Diego and beyond.

      San Diego highlights

      • Step off your flight to San Diego and make your way to these well-known attractions:

        • San Diego Zoo: The perfect spot to kick off your sightseeing, this landmark is located around 3 kilometres north of the city centre.

        • USS Midway Museum: This is just one more reason to visit this city. A top landmark, it's around 2 kilometres west of the centre of San Diego.

      Explore more of the United States

      • Feel like exploring more? Los Angeles will add something special to your trip to the United States. It's around 177 kilometres northwest of San Diego and features Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl. The main airport for this city is Los Angeles International Airport (LAX).

      • Long Beach might just become one of your favourite stops in the United States. You'll find it around 153 kilometres northwest of San Diego. The Queen Mary, Museum of Latin American Art (MOLAA) and Earl Burns Miller Japanese Garden are high on many visitors' lists.

      • Roughly 145 kilometres northwest of San Diego, Anaheim is worth working into your travels. Top reasons to go include Disneyland Park California, Disney California Adventure Park and Disneyland Esplanade.

      Complete your trip with a San Diego car rental

      • Thinking of renting a car in the city? Choose from a selection of car rentals in San Diego and go wherever, whenever. In just one quick search, you can compare rates and book the best deal after locking in your hotel and cheap flight to San Diego.

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