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Portsmouth International Airport to San Diego International Airport flight

Which airline offers the cheapest flights from Portsmouth International Airport to San Diego International Airport?

The cheapest airline flying from Portsmouth International Airport to San Diego International Airport is Allegiant Air (from €307) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From €307

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About Portsmouth International Airport and San Diego International Airport

Learn about Portsmouth International Airport (PSM) and San Diego International Airport (SAN) — including location, terminals, transportation, and travel tips.

Flight distance 4,170.97km

FAQs for Portsmouth International Airport to San Diego International Airport Flights

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.
    • The distance from McClellan-Palomar Airport to downtown is about 47km, by taxi about 1 hour.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Portsmouth International Airport to San Diego International Airport is €255. Prices may vary depending on the departure date, airline, and availability.
  • Enter Portsmouth International Airport and San Diego International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

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Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

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To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
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