฿2,990 Cheap United flights from Denver to San Diego (DEN→SAN)

View ฿2,990 flight on Sat, 1 Nov 2025Opens in a new window

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United flights from Denver to San Diego (DEN→SAN)

Prices were available within the past 7 days and start at ฿2,990 for one-way flights and ฿5,980 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿5,980 Return, found 6 days ago
฿5,980
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿5,980 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿6,460 Return, found 6 days ago
฿6,460
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿6,460 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿6,645 Return, found 6 days ago
฿6,645
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿6,645 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿6,935 Return, found 6 days ago
฿6,935
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿6,935 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿7,250 Return, found 6 days ago
฿7,250
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿7,250 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿7,570 Return, found 6 days ago
฿7,570
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿7,570 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿8,050 Return, found 6 days ago
฿8,050
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿8,050 found 6 days ago
United
Sat, 1 Nov - Sat, 8 Nov
DEN
Denver
SAN
San Diego
฿8,220 Return, found 6 days ago
฿8,220
Return
found 6 days ago
Select United flight, departing Sat, 1 Nov from Denver to San Diego, returning Sat, 8 Nov, priced at ฿8,220 found 6 days ago

Frequently asked questions

How much is a United Airlines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines return flights from ฿5,980 from DEN to SAN. Affordable one-way fares from ฿2,990 are available too.**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 DEN to SAN with United Airlines?
Search for return or one-way flights to San Diego in January or November. You could find a cheap fare with United Airlines during these off-peak times.
Does United Airlines fly nonstop from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Yes, you can fly from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) on any of United Airlines's 39 direct weekly flights. Use our "Nonstop" and "Airline" filters to find the United Airlines flight that'll get you to SAN at a time that suits you.
How long does it take to fly from DEN to SAN with United Airlines?
It takes around 2h 29m to fly nonstop from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) with United Airlines.
Which day of the week has the most United Airlines flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
United Airlines operates the most flights from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN) on Thursday. With up to 6 daily departures, you'll get the most options and flexibility on this day.
What airports does United Airlines fly into in San Diego?
San Diego Intl. Airport (SAN) is the primary San Diego hub for United Airlines flights from Denver Intl. Airport (DEN).
What type of plane does United Airlines fly from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
You'll likely be on a Boeing 737-900 or an Airbus A321neo when flying United Airlines from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN). However, keep in mind that a different aircraft may be used depending on operational demands.
Can I change or cancel my United Airlines flight from Denver Intl. Airport (DEN) to San Diego Intl. Airport (SAN)?
Changes are typically free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without additional charges, apply the "Changes included" and "No cancel fee" filters when organising your trip.

Travel information

Travel information

Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Distance
1363 km
Average flight time
1 hour 21 mins

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