฿4,245 Cheap United flights from Las Vegas to San Diego (LAS→SAN)

View ฿4,245 flight on Mon, 13 Apr 2026Opens in a new window

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

Prices were available within the past 7 days and start at ฿4,245 for one-way flights and ฿6,565 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 13 Apr - Wed, 15 Apr
LAS
Las Vegas
SAN
San Diego
฿6,565 Return, found 4 days ago
฿6,565
Return
found 4 days ago
Select United flight, departing Mon, 13 Apr from Las Vegas to San Diego, returning Wed, 15 Apr, priced at ฿6,565 found 4 days ago
United
Mon, 13 Apr - Wed, 15 Apr
LAS
Las Vegas
SAN
San Diego
฿6,890 Return, found 4 days ago
฿6,890
Return
found 4 days ago
Select United flight, departing Mon, 13 Apr from Las Vegas to San Diego, returning Wed, 15 Apr, priced at ฿6,890 found 4 days ago
United
Mon, 13 Apr - Wed, 15 Apr
LAS
Las Vegas
SAN
San Diego
฿7,995 Return, found 4 days ago
฿7,995
Return
found 4 days ago
Select United flight, departing Mon, 13 Apr from Las Vegas to San Diego, returning Wed, 15 Apr, priced at ฿7,995 found 4 days ago
United
Mon, 13 Apr - Wed, 15 Apr
LAS
Las Vegas
SAN
San Diego
฿8,000 Return, found 4 days ago
฿8,000
Return
found 4 days ago
Select United flight, departing Mon, 13 Apr from Las Vegas to San Diego, returning Wed, 15 Apr, priced at ฿8,000 found 4 days ago
United
Mon, 13 Apr - Wed, 15 Apr
LAS
Las Vegas
SAN
San Diego
฿9,210 Return, found 4 days ago
฿9,210
Return
found 4 days ago
Select United flight, departing Mon, 13 Apr from Las Vegas to San Diego, returning Wed, 15 Apr, priced at ฿9,210 found 4 days ago
United
Mon, 13 Apr - Wed, 15 Apr
LAS
Las Vegas
SAN
San Diego
฿9,995 Return, found 4 days ago
฿9,995
Return
found 4 days ago
Select United flight, departing Mon, 13 Apr from Las Vegas to San Diego, returning Wed, 15 Apr, priced at ฿9,995 found 4 days ago

Find the cheapest month to fly from Las Vegas (LAS) to San Diego (SAN)

January is typically the cheapest month to fly

From ฿1,278 - ฿2,876 per traveller.

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 ฿6,565 from LAS to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from ฿4,245 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

Origin airport
Harry Reid Intl.
Destination airport
San Diego Intl.
Distance
415 km
Average flight time
1 hour 14 mins

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