₩138,200 Cheap United flights Denver (DEN) to San Diego (SAN)

View ₩138,200 flight on Thu, May 7, 2026Opens in a new window

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₩138,200 Cheap United flights Denver (DEN) to San Diego (SAN)

Prices were available within the past 7 days and start at ₩138,200 for one-way flights and ₩224,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Feb 28 - Sat, Mar 7
DEN
Denver
SAN
San Diego
₩224,600 Roundtrip, found 5 days ago
₩224,600
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Denver to San Diego, returning Sat, Mar 7, priced at ₩224,600 found 5 days ago
United
Sat, Feb 28 - Sat, Mar 7
DEN
Denver
SAN
San Diego
₩268,800 Roundtrip, found 5 days ago
₩268,800
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Denver to San Diego, returning Sat, Mar 7, priced at ₩268,800 found 5 days ago
United
Sat, Feb 28 - Sat, Mar 7
DEN
Denver
SAN
San Diego
₩276,200 Roundtrip, found 5 days ago
₩276,200
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Denver to San Diego, returning Sat, Mar 7, priced at ₩276,200 found 5 days ago
United
Sat, Feb 28 - Sat, Mar 7
DEN
Denver
SAN
San Diego
₩283,400 Roundtrip, found 5 days ago
₩283,400
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Denver to San Diego, returning Sat, Mar 7, priced at ₩283,400 found 5 days ago
United
Sat, Feb 28 - Sat, Mar 7
DEN
Denver
SAN
San Diego
₩283,600 Roundtrip, found 5 days ago
₩283,600
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Denver to San Diego, returning Sat, Mar 7, priced at ₩283,600 found 5 days ago

Find the cheapest month to fly from Denver (DEN) to San Diego (SAN)

January is typically the cheapest month to fly

From ₩70,480 - ₩159,606 per traveler.
Flights from Denver (DEN) to San Diego (SAN)
Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Distance
1363 km
Average flight time
1 hour 32 mins

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 ₩224,600 from DEN to SAN. Affordable one-way fares from ₩138,200 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 organizing your trip.
*Available to Expedia members.