฿3,470 Cheap United flights from Las Vegas to San Diego (LAS→SAN)

View ฿3,470 flight on Thu, 27 Nov 2025Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

United flights from Las Vegas to San Diego (LAS→SAN)

Prices were available within the past 7 days and start at ฿3,470 for one-way flights and ฿5,520 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 4 Oct - Wed, 8 Oct
LAS
Las Vegas
SAN
San Diego
฿5,520 Return, found 4 days ago
฿5,520
Return
found 4 days ago
Select United flight, departing Sat, 4 Oct from Las Vegas to San Diego, returning Wed, 8 Oct, priced at ฿5,520 found 4 days ago
United
Sat, 4 Oct - Wed, 8 Oct
LAS
Las Vegas
SAN
San Diego
฿5,835 Return, found 4 days ago
฿5,835
Return
found 4 days ago
Select United flight, departing Sat, 4 Oct from Las Vegas to San Diego, returning Wed, 8 Oct, priced at ฿5,835 found 4 days ago
United
Fri, 3 Oct - Wed, 8 Oct
LAS
Las Vegas
SAN
San Diego
฿6,300 Return, found 4 days ago
฿6,300
Return
found 4 days ago
Select United flight, departing Fri, 3 Oct from Las Vegas to San Diego, returning Wed, 8 Oct, priced at ฿6,300 found 4 days ago
United
Fri, 3 Oct - Wed, 8 Oct
LAS
Las Vegas
SAN
San Diego
฿6,305 Return, found 4 days ago
฿6,305
Return
found 4 days ago
Select United flight, departing Fri, 3 Oct from Las Vegas to San Diego, returning Wed, 8 Oct, priced at ฿6,305 found 4 days ago
United
Sat, 4 Oct - Wed, 8 Oct
LAS
Las Vegas
SAN
San Diego
฿6,470 Return, found 4 days ago
฿6,470
Return
found 4 days ago
Select United flight, departing Sat, 4 Oct from Las Vegas to San Diego, returning Wed, 8 Oct, priced at ฿6,470 found 4 days ago
United
Fri, 3 Oct - Wed, 8 Oct
LAS
Las Vegas
SAN
San Diego
฿6,930 Return, found 4 days ago
฿6,930
Return
found 4 days ago
Select United flight, departing Fri, 3 Oct from Las Vegas to San Diego, returning Wed, 8 Oct, priced at ฿6,930 found 4 days ago

Frequently asked questions

How much is a United Airlines flight from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN)?
You can discover cheap round-trip United Airlines flights from ฿5,520 from LAS to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from ฿3,470 for a one-way journey.**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 LAS to SAN with United Airlines?
United Airlines flights to San Diego are typically more affordable in the quieter months of January and November. Whether you need a one-way or a return ticket, you could score a better deal then.
Does United Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN)?
Click on our "Nonstop" filter when browsing for direct United Airlines flights from LAS to SAN. It's also a good way to compare other airlines servicing the same direct route.
What airports does United Airlines fly into in San Diego?
United Airlines flights from Harry Reid Intl. Airport (LAS) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main gateway to this destination.
Can I change or cancel my United Airlines flight from Harry Reid Intl. Airport (LAS) to San Diego Intl. Airport (SAN)?
Depending on the ticket type you purchased, a fee typically applies if you modify or cancel your booking more than 24 hours after it's been confirmed. To find tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while looking for flights. For additional information on cancelling or modifying your reservation, go to "Trips," select your flight and click on "Manage Booking."

Travel information

Travel information

Origin airport
Harry Reid Intl.
Destination airport
San Diego Intl.
Distance
415 km
Average flight time
1 hour 13 mins

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.