Cheap flights from San Jacinto

View AU$126 flight on Wed, 13 May 2026Opens in a new window

Flight 1

Popular airlines from San Jacinto

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from San Jacinto

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.

Alaska Airlines
Tue, 28 Apr - Sat, 9 May
ONT
Ontario
PDX
Portland
AU$280 Return, found 6 days ago
AU$280
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 28 Apr from Ontario to Portland, returning Sat, 9 May, priced at AU$280 found 6 days ago
Delta
Sun, 3 May - Thu, 21 May
ONT
Ontario
SEA
Seattle
AU$313 Return, found 2 days ago
AU$313
Return
found 2 days ago
Select Delta flight, departing Sun, 3 May from Ontario to Seattle, returning Thu, 21 May, priced at AU$313 found 2 days ago
Delta
Mon, 8 June - Wed, 10 June
ONT
Ontario
DEN
Denver
AU$316 Return, found 1 day ago
AU$316
Return
found 1 day ago
Select Delta flight, departing Mon, 8 June from Ontario to Denver, returning Wed, 10 June, priced at AU$316 found 1 day ago
Alaska Airlines
Tue, 28 Apr - Sun, 10 May
ONT
Ontario
PDX
Portland
AU$323 Return, found 6 days ago
AU$323
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 28 Apr from Ontario to Portland, returning Sun, 10 May, priced at AU$323 found 6 days ago
Alaska Airlines
Fri, 1 May - Mon, 4 May
ONT
Ontario
PDX
Portland
AU$337 Return, found 6 days ago
AU$337
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 1 May from Ontario to Portland, returning Mon, 4 May, priced at AU$337 found 6 days ago
American Airlines
Tue, 19 May - Wed, 27 May
ONT
Ontario
PHX
Phoenix
AU$358 Return, found 12 hours ago
AU$358
Return
found 12 hours ago
Select American Airlines flight, departing Tue, 19 May from Ontario to Phoenix, returning Wed, 27 May, priced at AU$358 found 12 hours ago
Delta
Fri, 1 May - Mon, 4 May
ONT
Ontario
PDX
Portland
AU$368 Return, found 6 days ago
AU$368
Return
found 6 days ago
Select Delta flight, departing Fri, 1 May from Ontario to Portland, returning Mon, 4 May, priced at AU$368 found 6 days ago
American Airlines
Tue, 22 Sept - Tue, 29 Sept
ONT
Ontario
PDX
Portland
AU$370 Return, found 5 days ago
AU$370
Return
found 5 days ago
Select American Airlines flight, departing Tue, 22 Sept from Ontario to Portland, returning Tue, 29 Sept, priced at AU$370 found 5 days ago
United
Sat, 2 May - Tue, 5 May
ONT
Ontario
LAS
Las Vegas
AU$386 Return, found 8 hours ago
AU$386
Return
found 8 hours ago
Select United flight, departing Sat, 2 May from Ontario to Las Vegas, returning Tue, 5 May, priced at AU$386 found 8 hours ago
Aeromexico
Thu, 28 May - Wed, 3 June
ONT
Ontario
GDL
Guadalajara
AU$575 Return, found 6 days ago
AU$575
Return
found 6 days ago
Select Aeromexico flight, departing Thu, 28 May from Ontario to Guadalajara, returning Wed, 3 June, priced at AU$575 found 6 days ago

Travel information

Flights from San Jacinto: Essential Travel Information

Cheapest flight from San Jacinto
AU$280 (roundtrip)
Best airlines to fly from San Jacinto
Delta, Alaska Airlines, United, American Airlines, Aeromexico
Cheapest month to fly from San Jacinto
April
San Jacinto IATA code
ONT
San Jacinto Country/State
California
Airline ticket deals from San Jacinto
AU$280 - AU$575

Explore a world of travel with Expedia

*Available to Expedia members.