Find cheap United Airlines flights to San Diego
ICT — SAN
Nov 7 — Nov 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Leverage Cheapflights for Your Next Trip
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find United Airlines flight deals to San Diego
Cheapest
Best
Direct
Last-minute
One-way
Cheapest United Airlines flights from USA to San DiegoExplore the most affordable United Airlines flight options available from USA to San Diego. Find the lowest fares with prices last updated on October 8, 2026.
Explore the most affordable United Airlines flight options available from USA to San Diego. Find the lowest fares with prices last updated on October 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:55 pm -
Nonstop1h 42m
Thu 11/129:38 am -
Nonstop1h 47m
Deal found 10/3![United Airlines logo]()
$127
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
Nonstop1h 36m
Mon 11/1612:37 pm -
Nonstop1h 47m
Deal found 10/8![United Airlines logo]()
$131
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:45 pm -
Nonstop1h 42m
Thu 10/297:30 am -
Nonstop1h 50m
Deal found 10/8![United Airlines logo]()
$134
Best United Airlines flights from USA to San DiegoDiscover carefully curated United Airlines flight deals from USA to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated United Airlines flight deals from USA to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:15 am -
Nonstop1h 42m
Sun 11/16:15 am -
Nonstop1h 50m
Deal found 10/3![United Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:00 am -
Nonstop1h 36m
Tue 12/11:30 pm -
Nonstop1h 44m
Deal found 10/4![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop4h 35m
Mon 10/264:01 pm -
Nonstop1h 44m
Deal found 10/7![United Airlines logo]()
$166
Direct United Airlines flights from USA to San DiegoExplore non-stop United Airlines flight options from USA to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 8, 2026.
Explore non-stop United Airlines flight options from USA to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:55 pm -
Nonstop1h 42m
Thu 11/129:38 am -
Nonstop1h 47m
Deal found 10/3![United Airlines logo]()
$127
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
Nonstop1h 36m
Mon 11/1612:37 pm -
Nonstop1h 47m
Deal found 10/8![United Airlines logo]()
$131
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:45 pm -
Nonstop1h 42m
Thu 10/297:30 am -
Nonstop1h 50m
Deal found 10/8![United Airlines logo]()
$134
Last-minute United Airlines flights from USA to San DiegoDiscover last-minute United Airlines flight deals from USA to San Diego. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to San Diego. Data last updated October 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:55 pm -
Nonstop1h 42m
Thu 11/129:38 am -
Nonstop1h 47m
Deal found 10/3![United Airlines logo]()
$127
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
Nonstop1h 36m
Mon 11/1612:37 pm -
Nonstop1h 47m
Deal found 10/8![United Airlines logo]()
$131
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:45 pm -
Nonstop1h 42m
Thu 10/297:30 am -
Nonstop1h 50m
Deal found 10/8![United Airlines logo]()
$134
One-way United Airlines flights to San DiegoSearch for one-way United Airlines flight options to San Diego. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way United Airlines flight options to San Diego. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:55 pm -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![United Airlines logo]()
$59
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:05 pm -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$69
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:10 pm -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$78
Flights to San Diego with United Airlines at a glance
Find detailed information about United Airlines flights from USA to San Diego. Explore the options provided by United Airlines to plan your journey from USA to San Diego. Data last updated October 8, 2026.
Popular in | June |
|---|---|
Cheapest in | January |
Average price | $389 |
Round-trip from | $127 |
One-way from | $59 |
Good round-trip deal | $458 or less |
Good one-way deal | $258 or less |
Cheapflights Insights
Find cheap United Airlines flights to San Diego
US0-SAN
SFO-SAN
How long is the flight to San Diego with United Airlines?
On average, United Airlines flights from the United States to San Diego take 3 hours 52 minutes. Flights to San Diego from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
United Airlines weekly flight availability to San Diego
The most flights to San Diego operated by United Airlines are scheduled on a Sunday (39 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 on average).
When is the best time to book a flight to San Diego with United Airlines?
The best time to book a flight to San Diego with United Airlines is 20 days before departure. On average, fares are higher if you book on the same day as departure.
When is the cheapest time to fly to San Diego with United Airlines?
Users looking for the cheapest United Airlines fares to San Diego should consider flying on Saturday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.
FAQs about flights to San Diego with United Airlines
Reviews of United Airlines
See what Cheapflights users have to say about their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Entertainment
7.1
Crew
8.1
Boarding
7.7
Food
6.7
Comfort
7.3
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
Popular United Airlines flights
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Airports nearby
California flights
Complete your trip
Domestic flights to San Diego
Flights by cabin class
Flights from SAN
Flights to SAN
Popular destinations
Popular flights
Popular routes
Popular United States flight routes
United Airlines