Cheap Flights To Lake Forest 2025

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Lake Forest Flights as Low as $57

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

United
Wed, May 14 - Thu, May 15
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$57 Roundtrip, found 19 hours ago
$57
Roundtrip
found 19 hours ago
Select United flight, departing Wed, May 14 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Thu, May 15, priced at $57 found 19 hours ago
Frontier Airlines
Sat, May 10 - Mon, May 12
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$68 Roundtrip, found 5 days ago
$68
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, May 10 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Mon, May 12, priced at $68 found 5 days ago
United
Wed, May 14 - Thu, May 15
SFO
San Francisco Intl.
SNA
John Wayne
$73 Roundtrip, found 19 hours ago
$73
Roundtrip
found 19 hours ago
Select United flight, departing Wed, May 14 from San Francisco Intl. to John Wayne, returning Thu, May 15, priced at $73 found 19 hours ago
Frontier Airlines
Sat, May 10 - Sun, May 11
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$78 Roundtrip, found 5 days ago
$78
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, May 10 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Sun, May 11, priced at $78 found 5 days ago
Hawaiian Airlines
Tue, Jun 10 - Tue, Jun 17
SFO
San Francisco Intl.
SNA
John Wayne
$87 Roundtrip, found 1 day ago
$87
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Jun 10 from San Francisco Intl. to John Wayne, returning Tue, Jun 17, priced at $87 found 1 day ago
Frontier Airlines
Thu, May 29 - Mon, Jun 2
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$88 Roundtrip, found 16 hours ago
$88
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Mon, Jun 2, priced at $88 found 16 hours ago
Frontier Airlines
Tue, Aug 12 - Thu, Aug 14
DEN
Denver Intl.
ONT
Los Angeles - Ontario Intl.
$106 Roundtrip, found 1 day ago
$106
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 12 from Denver Intl. to Los Angeles - Ontario Intl., returning Thu, Aug 14, priced at $106 found 1 day ago
Frontier Airlines
Fri, Jul 11 - Mon, Jul 14
IAH
George Bush Intercontinental
ONT
Los Angeles - Ontario Intl.
$138 Roundtrip, found 3 days ago
$138
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jul 11 from George Bush Intercontinental to Los Angeles - Ontario Intl., returning Mon, Jul 14, priced at $138 found 3 days ago
Alaska Airlines
Wed, May 14 - Thu, May 15
SFO
San Francisco Intl.
SNA
John Wayne
$147 Roundtrip, found 19 hours ago
$147
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Wed, May 14 from San Francisco Intl. to John Wayne, returning Thu, May 15, priced at $147 found 19 hours ago
Frontier Airlines
Sat, May 24 - Tue, Jun 3
DEN
Denver Intl.
SNA
John Wayne
$154 Roundtrip, found 6 days ago
$154
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, May 24 from Denver Intl. to John Wayne, returning Tue, Jun 3, priced at $154 found 6 days ago
Spirit Airlines
Tue, May 13 - Wed, May 14
IAH
George Bush Intercontinental
SNA
John Wayne
$156 Roundtrip, found 15 hours ago
$156
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Tue, May 13 from George Bush Intercontinental to John Wayne, returning Wed, May 14, priced at $156 found 15 hours ago
American Airlines
Wed, Jun 11 - Sun, Jun 15
SFO
San Francisco Intl.
SNA
John Wayne
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 11 from San Francisco Intl. to John Wayne, returning Sun, Jun 15, priced at $218 found 1 day ago
Frontier Airlines
Fri, May 16 - Sat, May 24
GRR
Gerald R. Ford Intl.
ONT
Los Angeles - Ontario Intl.
$218 Roundtrip, found 19 hours ago
$218
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Gerald R. Ford Intl. to Los Angeles - Ontario Intl., returning Sat, May 24, priced at $218 found 19 hours ago
Delta
Tue, May 27 - Sun, Jun 1
DEN
Denver Intl.
SNA
John Wayne
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 27 from Denver Intl. to John Wayne, returning Sun, Jun 1, priced at $237 found 6 days ago
Delta
Tue, May 13 - Wed, May 14
IAH
George Bush Intercontinental
LGB
Long Beach Municipal
$309 Roundtrip, found 15 hours ago
$309
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, May 13 from George Bush Intercontinental to Long Beach Municipal, returning Wed, May 14, priced at $309 found 15 hours ago
Delta
Sat, May 3 - Fri, May 9
DEN
Denver Intl.
LGB
Long Beach Municipal
$677 Roundtrip, found 2 days ago
$677
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, May 3 from Denver Intl. to Long Beach Municipal, returning Fri, May 9, priced at $677 found 2 days ago

Flights to Lake Forest

If a trip to Lake Forest is calling your name, then book your next flight to (airport). And with the AARP Travel Center Powered by Expedia®, you're in good hands. With the best rates from Expedia combined with members-only discounts, AARP Travel offers members the best price in travel, guaranteed. AARP members get exclusive rates on hotels and car rentals, and pay no booking fees on flights.

Once you have got your trip scheduled, we'll show you a full list of deals for your route. Don't forget to look at flights to alternative airports nearby, which can help you get a lower fare.

Airport Transportation

Once you've reserved plane tickets to Lake Forest with AARP Travel, you might want to book a vehicle so you can get around on your own. You can request Lake Forest car rentals under our cars tab and get into the car as soon as you step outside. For more information, check out the Lake Forest Car Rentals Guide.

Things to Do in Lake Forest

If you aren't sure where to start, we can help you with that too. Not to worry—there's lots to do in this city. No matter what you decide to do with your time, you're sure to have fun in this city.

If you're looking for some fun activities to do in Lake Forest, make sure you check out our "Things to Do in Lake Forest" page for excursions and activities for the whole crew.

Where to Stay in Lake Forest

Lake Forest has lodging options in the area, so you will have little difficulty finding a place to stay close to all the things you want to see. If you need to stay close to an attraction or the airport in Lake Forest, check out our hotel listings page. No matter where you stay, just remember that you will get the best for your trip to to Lake Forest when you book with AARP Travel.

Book Your Lake Forest Trip Today

Whether you are heading out on an exploration to a place you have never been for fun, bringing the family on the annual holiday, or a business trip, we have the perfect getaway waiting for you. There is no better time than now to start booking your next trip. Book one of our flights today.