Cheap flights from Lake Forest

View AU$53 flight on Wed, 7 Jan 2026Opens in a new window

Popular airlines from Lake Forest

  • United

    United

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Southwest Airlines

    Southwest Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • Spirit Airlines

    Spirit Airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

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

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Lake Forest

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.

Delta
Tue, 6 Jan - Tue, 27 Jan
SNA
Orange County
LAS
Las Vegas
AU$148 Return, found 12 hours ago
AU$148
Return
found 12 hours ago
Select Delta flight, departing Tue, 6 Jan from Orange County to Las Vegas, returning Tue, 27 Jan, priced at AU$148 found 12 hours ago
Alaska Airlines
Fri, 23 Jan - Sun, 25 Jan
SNA
Orange County
SEA
Seattle
AU$152 Return, found 3 days ago
AU$152
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 23 Jan from Orange County to Seattle, returning Sun, 25 Jan, priced at AU$152 found 3 days ago
Alaska Airlines
Thu, 8 Jan - Sun, 11 Jan
SNA
Orange County
PAE
Seattle
AU$183 Return, found 4 days ago
AU$183
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 8 Jan from Orange County to Seattle, returning Sun, 11 Jan, priced at AU$183 found 4 days ago
Delta
Wed, 14 Jan - Wed, 21 Jan
ONT
Ontario
SEA
Seattle
AU$183 Return, found 5 days ago
AU$183
Return
found 5 days ago
Select Delta flight, departing Wed, 14 Jan from Ontario to Seattle, returning Wed, 21 Jan, priced at AU$183 found 5 days ago
American Airlines
Sat, 17 Jan - Sat, 24 Jan
SNA
Orange County
PHX
Phoenix
AU$195 Return, found 2 days ago
AU$195
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from Orange County to Phoenix, returning Sat, 24 Jan, priced at AU$195 found 2 days ago
Alaska Airlines
Sat, 10 Jan - Mon, 12 Jan
SNA
Orange County
SFO
San Francisco
AU$240 Return, found 2 days ago
AU$240
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 10 Jan from Orange County to San Francisco, returning Mon, 12 Jan, priced at AU$240 found 2 days ago
American Airlines
Wed, 7 Jan - Sat, 10 Jan
ONT
Ontario
DFW
Dallas
AU$275 Return, found 4 days ago
AU$275
Return
found 4 days ago
Select American Airlines flight, departing Wed, 7 Jan from Ontario to Dallas, returning Sat, 10 Jan, priced at AU$275 found 4 days ago
Delta
Thu, 8 Jan - Sat, 10 Jan
ONT
Ontario
SFO
San Francisco
AU$284 Return, found 2 days ago
AU$284
Return
found 2 days ago
Select Delta flight, departing Thu, 8 Jan from Ontario to San Francisco, returning Sat, 10 Jan, priced at AU$284 found 2 days ago
Delta
Fri, 23 Jan - Thu, 5 Feb
ONT
Ontario
DAL
Dallas
AU$332 Return, found 3 days ago
AU$332
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Ontario to Dallas, returning Thu, 5 Feb, priced at AU$332 found 3 days ago
Hawaiian Airlines
Wed, 18 Feb - Thu, 5 Mar
ONT
Ontario
ORD
Chicago
AU$375 Return, found 2 days ago
AU$375
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, 18 Feb from Ontario to Chicago, returning Thu, 5 Mar, priced at AU$375 found 2 days ago

Flights from Lake Forest: Essential Travel Information

Cheapest flight from Lake Forest
AU$148 (roundtrip)
Best airlines to fly from Lake Forest
Frontier Airlines, Delta, American Airlines, Alaska Airlines, United, Hawaiian Airlines
Cheapest month to fly from Lake Forest
January
Lake Forest IATA code
QLA
Lake Forest Country/State
California
Airline ticket deals from Lake Forest
AU$148 - AU$375

Explore a world of travel with Expedia

*Available to Expedia members.