Cheap Flights from Adelanto from ฿3,195

View ฿3,195 flight on Tue, 30 Jun 2026Opens in a new window

Popular airlines from Adelanto

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Adelanto

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 9 Jun - Tue, 16 Jun
ONT
Ontario
LAS
Las Vegas
฿8,435 Return, found 5 days ago
฿8,435
Return
found 5 days ago
Select United flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Tue, 16 Jun, priced at ฿8,435 found 5 days ago
American Airlines
Tue, 9 Jun - Tue, 16 Jun
ONT
Ontario
LAS
Las Vegas
฿9,710 Return, found 5 days ago
฿9,710
Return
found 5 days ago
Select American Airlines flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Tue, 16 Jun, priced at ฿9,710 found 5 days ago
United
Tue, 9 Jun - Wed, 24 Jun
ONT
Ontario
LAS
Las Vegas
฿9,815 Return, found 5 days ago
฿9,815
Return
found 5 days ago
Select United flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Wed, 24 Jun, priced at ฿9,815 found 5 days ago
United
Tue, 9 Jun - Wed, 24 Jun
ONT
Ontario
LAS
Las Vegas
฿10,110 Return, found 5 days ago
฿10,110
Return
found 5 days ago
Select United flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Wed, 24 Jun, priced at ฿10,110 found 5 days ago
United
Tue, 9 Jun - Wed, 24 Jun
ONT
Ontario
LAS
Las Vegas
฿10,180 Return, found 5 days ago
฿10,180
Return
found 5 days ago
Select United flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Wed, 24 Jun, priced at ฿10,180 found 5 days ago
United
Tue, 9 Jun - Tue, 16 Jun
ONT
Ontario
LAS
Las Vegas
฿10,235 Return, found 5 days ago
฿10,235
Return
found 5 days ago
Select United flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Tue, 16 Jun, priced at ฿10,235 found 5 days ago
United
Tue, 9 Jun - Wed, 24 Jun
ONT
Ontario
LAS
Las Vegas
฿10,540 Return, found 5 days ago
฿10,540
Return
found 5 days ago
Select United flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Wed, 24 Jun, priced at ฿10,540 found 5 days ago
Delta
Fri, 26 Jun - Tue, 30 Jun
ONT
Ontario
DEN
Denver
฿10,585 Return, found 22 hours ago
฿10,585
Return
found 22 hours ago
Select Delta flight, departing Fri, 26 Jun from Ontario to Denver, returning Tue, 30 Jun, priced at ฿10,585 found 22 hours ago
Delta
Tue, 9 Jun - Tue, 16 Jun
ONT
Ontario
LAS
Las Vegas
฿10,835 Return, found 5 days ago
฿10,835
Return
found 5 days ago
Select Delta flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Tue, 16 Jun, priced at ฿10,835 found 5 days ago
American Airlines
Tue, 9 Jun - Wed, 24 Jun
ONT
Ontario
LAS
Las Vegas
฿10,890 Return, found 5 days ago
฿10,890
Return
found 5 days ago
Select American Airlines flight, departing Tue, 9 Jun from Ontario to Las Vegas, returning Wed, 24 Jun, priced at ฿10,890 found 5 days ago

Travel information

Flights from Adelanto: Essential Travel Information

Cheapest flight from Adelanto
฿8,435 (roundtrip)
Best airlines to fly from Adelanto
Delta, United, American Airlines, avianca
Cheapest month to fly from Adelanto
June
Adelanto IATA code
ONT
Adelanto Country/State
California
Airline ticket deals from Adelanto
฿8,435 - ฿16,110

 

*Available to Expedia members.