$455 Find Cheap Flights from Portugal to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Diego departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

 
These are the airlines KAYAK users have selected most often from within our search results for flights to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to San Diego, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Portugal to San Diego

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portugal to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portugal to San Diego

Fri, Sep 11 - Sun, Sep 20
British Airways Logo
7:20 am - 2:55 pm
LIS
-
SAN
15h 35m
1 stop
British Airways Logo
7:40 pm - 11:05 pm
SAN
-
LIS
19h 25m
1 stop
$827British Airways
Thu, May 21 - Thu, Jun 4
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
Delta Logo
7:15 am - 11:15 am
SAN
-
LIS
20h 00m
2 stops
$1,001Delta
Fri, Sep 11 - Sun, Sep 20
United Airlines Logo
5:05 am - 10:10 pm
LIS
-
SAN
25h 05m
2 stops
United Airlines Logo
10:20 pm - 8:20 am
SAN
-
LIS
26h 00m
1 stop
$1,002United Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
Delta Logo
1:05 pm - 5:50 pm
SAN
-
LIS
20h 45m
2 stops
$1,004Delta
Fri, Sep 11 - Sun, Sep 20
United Airlines Logo
5:05 am - 6:30 pm
LIS
-
SAN
21h 25m
2 stops
United Airlines Logo
7:41 pm - 9:20 am
SAN
-
LIS
29h 39m
3 stops
$1,005United Airlines
Wed, May 20 - Sat, May 30
Delta Logo
5:00 am - 3:56 pm
LIS
-
SAN
18h 56m
2 stops
Delta Logo
1:37 pm - 5:50 pm
SAN
-
LIS
20h 13m
2 stops
$1,006Delta
Wed, May 20 - Sat, May 30
Delta Logo
5:00 am - 6:07 pm
LIS
-
SAN
21h 07m
2 stops
Delta Logo
1:37 pm - 5:50 pm
SAN
-
LIS
20h 13m
2 stops
$1,007Delta
Wed, May 20 - Sat, May 30
Delta Logo
5:00 am - 6:07 pm
LIS
-
SAN
21h 07m
2 stops
Delta Logo
11:01 am - 2:55 pm
SAN
-
LIS
19h 54m
2 stops
$1,008Delta
Wed, May 20 - Sat, May 30
Delta Logo
5:00 am - 6:07 pm
LIS
-
SAN
21h 07m
2 stops
Delta Logo
1:37 pm - 5:50 pm
SAN
-
LIS
20h 13m
2 stops
$1,009Delta
Wed, May 20 - Sat, May 30
United Airlines Logo
5:05 am - 6:41 pm
LIS
-
SAN
21h 36m
2 stops
United Airlines Logo
5:15 pm - 10:45 pm
SAN
-
LIS
21h 30m
1 stop
$1,010United Airlines
Booking Insights

KAYAK's insights & trends for flights to San Diego

Get data-powered insights and trends for flights to San Diego to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to San Diego?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to San Diego was found on the route from Lisbon, at $827 return. The most popular connection is from San Francisco to San Diego and KAYAK users have found round-trip deals for as low as $109 in the last 3 days.

What is the cheapest month to fly to San Diego?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to San Diego is January, where tickets cost $777 on average for return flights. On the other hand, the most expensive months are March and February, where the average cost of tickets from Portugal is $1,568 and $1,108 respectively. For one-way flights, the best month to travel is January with an average price of $777.

Good to know

Low seasonFebruary
Cheapest flight$455
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Lisbon to San Diego

FAQs - booking San Diego flights

  • What is the cheapest flight to San Diego?

    In the last 3 days, the cheapest flight deal to San Diego was found on the route from Lisbon, at $827 return. The most popular connection is from San Francisco to San Diego and KAYAK users have found round-trip deals for as low as $109 in the last 3 days.

  • How far is San Diego Airport from central San Diego?

    Central San Diego is 3 miles away from San Diego Airport.

  • What is the name of San Diego’s airport?

    When flying to San Diego, you'll arrive at San Diego Airport (SAN). The airport is also known as Lindbergh Field, San Diego, or San Diego Intl.

  • How does KAYAK find such low prices on flights to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to San Diego are there each week?

    Each week there are around 4,914 direct flights from within Portugal to San Diego. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to San Diego

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Diego flight deals.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Julian
National City
Borrego Springs
Poway
Alpine
Lemon Grove
Santee

Everything you need to know for your flight to San Diego

Information on the airport you'll fly into in San Diego