Cheap flights from Lake Forest

View AU$97 flight on Sat, 5 Sept 2026Opens in a new window

Popular airlines from Lake Forest

  • Alaska Airlines

  • United

  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • Air Canada

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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
Sat, 30 May - Wed, 3 June
ONT
Ontario
SEA
Seattle
AU$276 Return, found 6 hours ago
AU$276
Return
found 6 hours ago
Select Delta flight, departing Sat, 30 May from Ontario to Seattle, returning Wed, 3 June, priced at AU$276 found 6 hours ago
American Airlines
Tue, 5 May - Tue, 12 May
ONT
Ontario
JFK
New York
AU$287 Return, found 14 hours ago
AU$287
Return
found 14 hours ago
Select American Airlines flight, departing Tue, 5 May from Ontario to New York, returning Tue, 12 May, priced at AU$287 found 14 hours ago
Alaska Airlines
Sat, 30 May - Wed, 3 June
ONT
Ontario
SEA
Seattle
AU$290 Return, found 6 hours ago
AU$290
Return
found 6 hours ago
Select Alaska Airlines flight, departing Sat, 30 May from Ontario to Seattle, returning Wed, 3 June, priced at AU$290 found 6 hours ago
Delta
Tue, 26 May - Tue, 2 June
SNA
Orange County
LAS
Las Vegas
AU$292 Return, found 5 days ago
AU$292
Return
found 5 days ago
Select Delta flight, departing Tue, 26 May from Orange County to Las Vegas, returning Tue, 2 June, priced at AU$292 found 5 days ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SNA
Orange County
SEA
Seattle
AU$304 Return, found 1 day ago
AU$304
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Orange County to Seattle, returning Sun, 31 May, priced at AU$304 found 1 day ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SNA
Orange County
PAE
Seattle
AU$304 Return, found 1 day ago
AU$304
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 28 May from Orange County to Seattle, returning Sun, 31 May, priced at AU$304 found 1 day ago
American Airlines
Sat, 5 Sept - Wed, 16 Sept
ONT
Ontario
LGA
New York
AU$311 Return, found 16 hours ago
AU$311
Return
found 16 hours ago
Select American Airlines flight, departing Sat, 5 Sept from Ontario to New York, returning Wed, 16 Sept, priced at AU$311 found 16 hours ago
Alaska Airlines
Wed, 13 May - Wed, 20 May
SNA
Orange County
SFO
San Francisco
AU$333 Return, found 1 day ago
AU$333
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 13 May from Orange County to San Francisco, returning Wed, 20 May, priced at AU$333 found 1 day ago
Delta
Sat, 20 June - Wed, 29 July
LGB
Long Beach
SLC
Salt Lake City
AU$349 Return, found 1 day ago
AU$349
Return
found 1 day ago
Select Delta flight, departing Sat, 20 June from Long Beach to Salt Lake City, returning Wed, 29 July, priced at AU$349 found 1 day ago
United
Thu, 28 May - Mon, 1 June
ONT
Ontario
SFO
San Francisco
AU$351 Return, found 6 days ago
AU$351
Return
found 6 days ago
Select United flight, departing Thu, 28 May from Ontario to San Francisco, returning Mon, 1 June, priced at AU$351 found 6 days ago

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