$28 Cheap Flights to Lake Forest, CA

View $28 flight on Fri, Jun 5, 2026Opens in a new window

Flight 1

Popular airlines to Lake Forest

How much is the cheapest flight to Lake Forest?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, May 15 - Tue, May 19
DEN
Denver
ONT
Ontario
$56 Roundtrip, found 1 hour ago
$56
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, May 15 from Denver to Ontario, returning Tue, May 19, priced at $56 found 1 hour ago
United
Sat, Jun 6 - Wed, Jun 10
DEN
Denver
ONT
Ontario
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Sat, Jun 6 from Denver to Ontario, returning Wed, Jun 10, priced at $137 just found
Southwest Airlines
Tue, May 5 - Wed, May 6
DEN
Denver
ONT
Ontario
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Tue, May 5 from Denver to Ontario, returning Wed, May 6, priced at $137 found 3 hours ago
American Airlines
Tue, May 5 - Wed, May 6
DEN
Denver
ONT
Ontario
$159 Roundtrip, found 3 hours ago
$159
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, May 5 from Denver to Ontario, returning Wed, May 6, priced at $159 found 3 hours ago
Delta
Wed, May 6 - Tue, May 12
SMF
Sacramento
LGB
Long Beach
$187 Roundtrip, found 4 hours ago
$187
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, May 6 from Sacramento to Long Beach, returning Tue, May 12, priced at $187 found 4 hours ago

Alternative airports near Lake Forest

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Closest option available. Average driving time to city center is 14 minutes. Flights from $597
SNA
John Wayne
Closest
Average driving time to city center14 min
Flights from $597
Select flight to Los Angeles - Ontario Intl. ONT. Average driving time to city center is 49 minutes. Flights from $505
ONT
Los Angeles - Ontario Intl.
Average driving time to city center49 min
Flights from $505
Select flight to Long Beach Municipal LGB. Cheapest option available. Average driving time to city center is 35 minutes. Flights from $419
LGB
Long Beach Municipal
Cheapest
Average driving time to city center35 min
Flights from $419

Find the cheapest month to fly from Columbus (CMH) to Los Angeles (LAX)

April is typically the cheapest month to fly

From $181 - $298 per traveler.

Frequently asked questions

What month is the cheapest to fly to Lake Forest?
Plan your trip for May if you're looking for a deal on your fare. It's the cheapest month to fly to Lake Forest. If possible, avoid traveling during busy periods such as public holidays or school breaks.
Which US cities have the cheapest flights to Lake Forest?
Get cheap flights to Lake Forest from San Francisco, Las Vegas and New York. These cities generally offer the lowest fares to this popular destination. But remember that demand, seasonality and stopovers also influence rates, so stay flexible and book when prices are right.
Which US cities fly direct to Lake Forest?
Choose from 75 US destinations with direct flights to Lake Forest. When reserving on Expedia, select the "Direct flights only" filter to compare nonstop routes. Fly to Lake Forest from any of these leading cities:

  • San Francisco
  • Las Vegas
  • New York
  • Dallas
  • Chicago

How to find a cheap flight to Lake Forest?
Book early to snag cheap flights to Lake Forest. Also, consider traveling during off-peak months like January and February. If you leave on a Thursday, you'll save an average of 16% compared to departing on a Sunday.* Save time searching every day and create a price alert on the Expedia app. We'll send you a notification when fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Lake Forest?
Staying flexible about your travel plans can help you to find last-minute deals on cheap flights to Lake Forest. To see all the available options, try looking at different ticket types, changing your Lake Forest vacation dates, leaving from an alternative airport or going with another carrier.
How far in advance should I book a flight to Lake Forest?
Get the departure dates you want and a price your budget will love by booking your domestic flight to Lake Forest up to 28 days in advance. Search for tickets between two and four months ahead if you're visiting Lake Forest from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Lake Forest?
Sundays are typically the best day to book a cheap flight to Lake Forest, with savings of about 8% on average compared to Fridays. If you choose to purchase tickets on a Friday, expect to spend more as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Lake Forest?
There are 65 carriers that connect Lake Forest with 152 airports worldwide. The key point of arrival to this city is Los Angeles Intl. Airport (LAX). Travel with any of these popular airlines to Lake Forest:

  • American Airlines
  • Delta Air Lines
  • Alaska Airlines
  • United Airlines

Where do you fly into Lake Forest?
The main hub when you fly to Lake Forest is John Wayne Airport (SNA), but there are some great nearby alternatives like Long Beach Municipal Airport (LGB) and Los Angeles - Ontario Intl. Airport (ONT). You can also land at McClellan-Palomar Airport (CLD) and Los Angeles Intl. Airport (LAX) when flying to Lake Forest.
How far is the airport from central Lake Forest?
You'll be around 10 mi west of central Lake Forest after landing at John Wayne Airport (SNA).
Can I save money by booking a Lake Forest trip package?
You could potentially save hundreds of dollars if you secure a Lake Forest flight and hotel package deal on Expedia. And you'll make life easier by having all your travel plans in one place. Try bundling flights and hotels with add-ons like activities and car rentals for your own personalized Lake Forest break.
Can I change or cancel my flight to Lake Forest?
You can usually cancel or change your flight to Lake Forest within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive a credit toward future flights in place of a direct refund. It's important to check the airline's terms of service in your itinerary for exact details. Use Expedia's "Changes included" or "No cancel fee" filters during your search to secure cheap flights to Lake Forest with flexible change policies. To learn more, head to our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Destination city name
Ontario
Roundtrip price
$98

Trending flights to Lake Forest

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jun 4 - Thu, Jun 11
SEA
Seattle
ONT
Ontario
$98 Roundtrip, found 4 hours ago
$98
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Jun 4 from Seattle to Ontario, returning Thu, Jun 11, priced at $98 found 4 hours ago

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