Last updated on October 17th, 2022 at 04:55 am

This blog deals with United Flights to San Diego. If you are interested in getting cheap United flights to San Diego. However, average fares have been mentioned below for some popular routes — both round-trip and one-way. Apart from that, the handiest tips on flying cheaply on United Airlines are also discussed. Thus, for more information, you can read the blog. 

Cheap Flights: United Airlines Low Fare Calendar

United Flights to San Diego — Round-Trip Fares

United Flights to San Diego from Toronto

Basic Economy – choose your seat for a fee

$700-$800

Economy – choose your seat

$900-$950

Economy (fully refundable) – choose your seat

$900-$1,000

Economy Plus – extra legroom

$950-$1,000

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from Chicago

Basic Economy – choose your seat for a fee

$600-$700

Economy – choose your seat

$800-$850

Economy (fully refundable) – choose your seat

$800-$900

Economy Plus – extra legroom

$850-$900

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from Dallas

Basic Economy – choose your seat for a fee

$600-$700

Economy – choose your seat

$700-$800

Economy (fully refundable) – choose your seat

$800-$900

Economy Plus – extra legroom

$950-$1,000

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from Houston

Basic Economy – choose your seat for a fee

$700-$800

Economy – choose your seat

$800-$900

Economy (fully refundable) – choose your seat

$850-$900

Economy Plus – extra legroom

$900-$1,150

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from Newark

Basic Economy – choose your seat for a fee

$800-$900

Economy – choose your seat

$900-$1,000

Economy (fully refundable) – choose your seat

$1,000-$1,100

Economy Plus – extra legroom

$1,000-$1,100

Business – extra-spacious seat

$1,100-$1,200

* These estimations are subject to variations.

United Flights to San Diego from San Francisco

Basic Economy – choose your seat for a fee

$300-$400

Economy – choose your seat

$400-$500

Economy (fully refundable) – choose your seat

$500-$600

Economy Plus – extra legroom

$600-$700

Business – extra-spacious seat

$700-$800

* These estimations are subject to variations.

United Flights to San Diego from Denver

Basic Economy – choose your seat for a fee

$500-$600

Economy – choose your seat

$600-$700

Economy (fully refundable) – choose your seat

$600-$800

Economy Plus – extra legroom

$700-$900

Business – extra-spacious seat

$800-$900

* These estimations are subject to variations.

United Flights to San Diego from Seattle

Basic Economy – choose your seat for a fee

$900-$1,000

Economy – choose your seat

Not Available

Economy (fully refundable) – choose your seat

$1,000-$1,100

Economy Plus – extra legroom

Not Available

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from Sacramento

Basic Economy – choose your seat for a fee

$800-$900

Economy – choose your seat

Not Available 

Economy (fully refundable) – choose your seat

$1,000-$1,100

Economy Plus – extra legroom

Not Available

Business – extra-spacious seat

$1,100-$1,200

* These estimations are subject to variations.

United Flights to San Diego from Phoenix

Basic Economy – choose your seat for a fee

$800-$900

Economy – choose your seat

Not Available

Economy (fully refundable) – choose your seat

$900-$1,000

Economy Plus – extra legroom

Not Available

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego — One-Way Fares

United Flights to San Diego from Toronto

Basic Economy – choose your seat for a fee

$500-$600

Economy – choose your seat

$500-$600

Economy (fully refundable) – choose your seat

$500-$600

Economy Plus – extra legroom

$600-$700

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from Chicago

Basic Economy – choose your seat for a fee

$200-$300

Economy – choose your seat

$300-$350

Economy (fully refundable) – choose your seat

$350-$400

Economy Plus – extra legroom

$500-$600

Business – extra-spacious seat

$600-$700

* These estimations are subject to variations.

United Flights to San Diego from Dallas

Basic Economy – choose your seat for a fee

$200-$300

Economy – choose your seat

$300-$400

Economy (fully refundable) – choose your seat

$500-$600

Economy Plus – extra legroom

$600-$700

Business – extra-spacious seat

$700-$800

* These estimations are subject to variations.

United Flights to San Diego from Houston

Basic Economy – choose your seat for a fee

$100-$200

Economy – choose your seat

$300-$400

Economy (fully refundable) – choose your seat

$350-$450

Economy Plus – extra legroom

$450-$550

Business – extra-spacious seat

$500-$600

* These estimations are subject to variations.

United Flights to San Diego from Newark

Basic Economy – choose your seat for a fee

$300-$400

Economy – choose your seat

$400-$500

Economy (fully refundable) – choose your seat

$500-$600

Economy Plus – extra legroom

$600-$700

Business – extra-spacious seat

$1,000-$1,100

* These estimations are subject to variations.

United Flights to San Diego from San Francisco

Basic Economy – choose your seat for a fee

$60-$100

Economy – choose your seat

$100-$120

Economy (fully refundable) – choose your seat

$120-$150

Economy Plus – extra legroom

$150-$200

Business – extra-spacious seat

$200-$300

* These estimations are subject to variations.

United Flights to San Diego from Denver

Basic Economy – choose your seat for a fee

$200-$300

Economy – choose your seat

$250-$300

Economy (fully refundable) – choose your seat

$300-$400

Economy Plus – extra legroom

$400-$500

Business – extra-spacious seat

$550-$600

* These estimations are subject to variations.

United Flights to San Diego from Seattle

Basic Economy – choose your seat for a fee

$300-$400

Economy – choose your seat

$400-$500

Economy (fully refundable) – choose your seat

$500-$600

Economy Plus – extra legroom

$600-$700

Business – extra-spacious seat

$700-$800

* These estimations are subject to variations.

United Flights to San Diego from Sacramento

Basic Economy – choose your seat for a fee

$100-$180

Economy – choose your seat

$180-$200

Economy (fully refundable) – choose your seat

$200-$300

Economy Plus – extra legroom

$300-$400

Business – extra-spacious seat

$500-$600

* These estimations are subject to variations.

United Flights to San Diego from Phoenix

Basic Economy – choose your seat for a fee

$300-$400

Economy – choose your seat

$400-$500

Economy (fully refundable) – choose your seat

$500-$600

Economy Plus – extra legroom

$600-$700

Business – extra-spacious seat

$700-$800

* These estimations are subject to variations.

United Flights to San Diego — San Diego International Airport

The airport was previously known as Lindbergh Field. However, currently, it is named San Diego International Airport (SAN).

The airport contains two terminals comprising 51 gates. Further, each terminal is divided into two concourses named East and West. For example, Terminal 1 has two concourses namely concourse East and concourse West. And, similar is the case with Terminal 2. 

Terminal information: United Airlines Inc. uses Terminal 2 for its operations. 

Thus if you are flying to San Diego on United Airlines, you will land at terminal 2, which is the operational terminal for United Airlines.

Airport type: Public

Serves: Greater San Diego

Location: North Harbor Drive San Diego, California

Codes: 

IATA: SAN

ICAO:  KSAN

FAA LID: SAN

WMO: 72290

United Flights to San Diego — Additional Information

This section talks about additional information regarding United flights to San Diego. Specifically, it deals with how to get cheap flight deals, weather in San Diego, things to do, etc.

Therefore for more information on San Diego and United Airlines, go through all the sub-sections of this part of the post.

Tips on Getting Cheap United Flights to San Diego

Book in Advance: one of the best tips for getting cheap flight deals is to book in advance. When you book in advance, you get cheap airfares. It happens because of the following rule: the nearer to departure you book a United flight, the higher the airfares get. There is a positive relationship between both.

Thus if it is possible, try to book in advance. It will help you save considerably.  

Use Miles for Reservations: another tip on flying cheaply on United Airlines is by the use of MileagePlus miles. MileagePlus is the frequent-flyer program of United Airlines. It allows passengers to earn miles as rewards in exchange for every transaction they carry out with the airline. 

Miles are not any values. I mean they are rewards. And, if you use such miles to pay for a United flight to San Diego, the payment amount to nothing. In other words, you paid nothing or you got the flight free of cost. If you ask how, it is because miles mean freely given points. 

Therefore you can also use your United miles for getting cheap United Flights to San Diego. 

Keep a Watch on special deals and offers: Apart from that, for getting cheap United flight deals, you can have an eye on any special deals and offers that United provides before booking your United flights anywhere. 

That way too, you can grab some awesome flight deals and save a lot on your United flights.

Weather in San Diego

Things to Do in San Diego

Once you are in San Diego, there are a lot of things that you can do and enjoy your trip to the city. The best time to visit 

The Best Time to Travel to San Diego 

The following months are the best if you want to visit San Diego at a time when it is in the most enjoyable conditions. In other words, for enjoying your trip to San Diego to the fullest, you can go to the destination during the times given below:

The first duration: March, April, and May; and,

The second duration: September, October, and November.

The Best Places to visit in San Diego

1. Balboa Park

2. Gaslamp Quarter

3. Seaport Village

4. Sunset Cliffs Natural Park

5. Point Loma and Cabrillo National Monument

6. Mission Beach

7. Midway Aircraft Carrier Museum

8. San Diego Beaches

9. San Diego Zoo

10. Old Town State Historic Park