Cheap Flights from San Diego to Portsmouth

Compare San Diego to Portsmouth flight deals

Find the cheapest month or even day of the year to fly to Portsmouth

Book the best Portsmouth fare with no extra fees

Flight deals from San Diego to Portsmouth

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

Find the cheapest month to fly from San Diego to Portsmouth

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

San Diego to Portsmouth: Alternative routes

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

San Diego to Portsmouth: Flight information

The things to know before you go.
Cheapest flight found£151
Cheapest month to flyDecember

Finding cheap flights from San Diego to Portsmouth: Frequently asked questions

As of October 2024, there are no flights flying from San Diego to Portsmouth.
The cheapest month to fly from San Diego to Portsmouth is usually October 2024.
No airlines currently offer direct flights between San Diego and Portsmouth Airport. Most routes have one or more stops.
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 Portsmouth 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 Portsmouth is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to Portsmouth from San Diego

Looking for cheap tickets from San Diego to Portsmouth? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from San Diego to Portsmouth. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Portsmouth from San Diego from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best San Diego-Portsmouth ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Portsmouth from San Diego.
  • Set up a Price Alert. You can easily track the fare of your cheap San Diego-Portsmouth flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between San Diego and Portsmouth? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from San Diego and Portsmouth. We scour the internet for the best Business, Premium Economy and First Class flight fares to Portsmouth, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for San Diego to Portsmouth flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Combine your flight to Portsmouth from San Diego with hotels and car hire

    Once you've secured your cheap flight ticket from San Diego to Portsmouth, discover the best prices and exclusive rates for hotels in Portsmouth or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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