$144 Cheap United flights Dallas (DFW) to San Diego (SAN)

View $144 flight on Wed, Oct 22, 2025Opens in a new window

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$144 Cheap United flights Dallas (DFW) to San Diego (SAN)

Prices were available within the past 7 days and start at $144 for one-way flights and $213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 20 - Thu, Oct 30
DFW
Dallas
SAN
San Diego
$213 Roundtrip, found 10 hours ago
$213
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Oct 20 from Dallas to San Diego, returning Thu, Oct 30, priced at $213 found 10 hours ago
0
Flights from Dallas (DFW) to San Diego (SAN)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
1168 mi

Frequently asked questions

How much is a United Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to San Diego Intl. Airport (SAN)?
Landing cheap one-way United Airlines flights from DFW to SAN from $144 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $213 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DFW to SAN with United Airlines?
Look for round-trip or one-way flights to San Diego in January or November. You could find lower fares with United Airlines during these off-peak times.
What is the cheapest time to book flights from Dallas-Fort Worth Intl. Airport (DFW) to San Diego Intl. Airport (SAN) with United Airlines?
Start searching one to three months before your departure to score cheaper fares on United Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Dallas-Fort Worth Intl. Airport (DFW) to San Diego Intl. Airport (SAN)?
Simply enter your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from DFW to SAN with United Airlines or another carrier.
What is the earliest United Airlines flight from DFW to SAN?
Sort your results by "Morning" and "Early Morning" to browse the earliest departures from DFW to SAN. Heading off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in San Diego?
United Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to San Diego come in to San Diego Intl. Airport (SAN). This is the main gateway to this destination.
Why fly with United Airlines from DFW to SAN?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to travel from DFW to SAN with United Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to San Diego Intl. Airport (SAN)?
It's usually possible to cancel or modify your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Make use of Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you have to alter your plans. To make changes, visit "Trips," select your flight and click on "Manage Booking" for more details.

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