$33 Cheap Flights to Clearlake, CA

View $33 flight on Sat, Jun 6, 2026Opens in a new window

Popular airlines to Clearlake

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Clearlake?

Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 6 - Tue, May 12
LAX
Los Angeles
SMF
Sacramento
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Los Angeles to Sacramento, returning Tue, May 12, priced at $66 just found
Southwest Airlines
Tue, Jun 30 - Wed, Jul 1
SAN
San Diego
SMF
Sacramento
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Jun 30 from San Diego to Sacramento, returning Wed, Jul 1, priced at $97 just found
Alaska Airlines
Tue, May 19 - Sat, May 23
ONT
Ontario
STS
Santa Rosa
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Tue, May 19 from Ontario to Santa Rosa, returning Sat, May 23, priced at $117 found 5 hours ago
United
Fri, May 29 - Wed, Jun 3
SAN
San Diego
SMF
Sacramento
$153 Roundtrip, found 7 hours ago
$153
Roundtrip
found 7 hours ago
Select United flight, departing Fri, May 29 from San Diego to Sacramento, returning Wed, Jun 3, priced at $153 found 7 hours ago
American Airlines
Wed, May 27 - Thu, May 28
CLD
Carlsbad
SMF
Sacramento
$159 Roundtrip, found 6 hours ago
$159
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, May 27 from Carlsbad to Sacramento, returning Thu, May 28, priced at $159 found 6 hours ago

Alternative airports near Clearlake

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

Select flight to Sonoma County STS. Cheapest option available. Average driving time to city center is 1 hour 23 minutes. Flights from $714
STS
Sonoma County
Cheapest
Average driving time to city center1 h 23 min
Flights from $714

Frequently asked questions

What month is the cheapest to fly to Clearlake?
Schedule your trip for May if you want to land a deal on your fare. It's the cheapest month to fly to Clearlake. Try to avoid traveling during peak periods such as major public holidays or during big events.
Which US cities have the cheapest flights to Clearlake?
Usually, Las Vegas, San Diego and Los Angeles have cheap flights to Clearlake. However, being flexible is key to getting the best deals. Fly midweek or during the off-peak season to keep costs to a minimum.
Which US cities fly direct to Clearlake?
You can fly to Clearlake without any stops from 29 US cities. To find a nonstop journey, use the "Direct flights only" filter when organizing your flights to Clearlake on Expedia. Then, compare your options and pick the best departure from any of these cities:

  • Las Vegas
  • San Diego
  • Los Angeles
  • Seattle
  • Denver

How to find a cheap flight to Clearlake?
Book your trip early to score cheap flights to Clearlake. Also, consider traveling during off-season months like December and January. If you fly on a Thursday, you'll save an average of 16% compared to departing on a Sunday.* Save time checking every day and create a price alert on the Expedia app. We'll let you know 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 Clearlake?
It's possible to get awesome deals on last-minute flights to Clearlake, especially if your travel arrangements aren't set in stone. Consider jetting out of a different airport, tweaking your trip dates or choosing an alternative airline to get a cheap flight to Clearlake.
How far in advance should I book a flight to Clearlake?
To pick up the biggest savings on domestic journeys, book your flight to Clearlake 28 days ahead of your travel dates. For international flights, search for your ticket between two and four months in advance. This gives you a better chance of getting the departure dates and times you want.**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 Clearlake?
You can usually get cheap flights to Clearlake on a Sunday. You'll save around 8% on average compared to booking on a Friday, which is typically the most expensive day for tickets.**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 Clearlake?
There are 3 airlines that link Clearlake with 14 airports around the globe. The primary entry point to Clearlake is Sonoma County Airport (STS). Alaska Airlines and American Airlines are two major airlines to Clearlake.
Where do you fly into Clearlake?
The main airport when you fly to Clearlake is Sonoma County Airport (STS), but there are other nearby possibilities like Ukiah, CA (UKI-Ukiah Regional) and Willows, CA (WLW-Willows-Glenn County). You can also arrive at Vacaville, CA (VCB-Nut Tree) and Napa, CA (APC-Napa Valley) when flying to Clearlake.
How far is the airport from central Clearlake?
You'll be around 30 mi south of the center of Clearlake after landing at Sonoma County Airport (STS).
Can I save money by booking a Clearlake trip package?
Bundle your flight and hotel and you could save hundreds of dollars. Better still, you can add extras like tours and car rentals to your Clearlake flight and hotel package deal. With Expedia, it's simple to look after all your Clearlake travel arrangements in the same place.
Can I change or cancel my flight to Clearlake?
It's usually possible to cancel or change your flight to Clearlake. Many airlines allow you to cancel flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer you a credit toward a future flight instead of a direct refund. To get affordable flights to Clearlake with flexible change policies, select the "No cancel fee" or "Changes included" filters during your search. Looking for more information? Head to our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Sacramento Intl.
Destination airport IATA code
SMF
Destination city name
Sacramento
Roundtrip price
$66

Trending flights to Clearlake

Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 6 - Tue, May 12
LAX
Los Angeles
SMF
Sacramento
$66 Roundtrip, just found
$66
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Los Angeles to Sacramento, returning Tue, May 12, priced at $66 just found

Explore a world of travel with Expedia