Cheap Flights to Clearlake, CA

Popular airlines to Clearlake

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Alternative airports near Clearlake

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

What you need to know for your flight to Clearlake

Flights to Clearlake at a glance

Traveling to Clearlake is easy—simply choose between full-service and budget airlines, compare travel times, and select the best option that fits your budget and schedule. This will help you make plans to enjoy the city's renowned attractions and neighborhoods, including finding cheap flights to Clearlake that suit your needs.

  • Major airport near Clearlake: Sonoma County Airport (STS)
  • Flights per week: 390+ flights arriving at Clearlake airport
  • Number of airlines that fly to Clearlake: around 5+ carriers

Popular airport near Clearlake

Clearlake is a charming city ideal for outdoor enthusiasts, scenic views, and romantic getaways. Visitors flock to Clearlake for its adventure opportunities and picturesque surroundings. The city is conveniently accessible via major airports, making it easy to plan your trip.

  • Sonoma County Airport (STS): Situated in Sonoma County, California, approximately 32 miles from Clearlake, this airport operates domestic flights to over 50 cities throughout the United States. Travelers have the option to upgrade to business class or first class seating for enhanced comfort, depending on the specific airlines and routes. Key airlines providing service at this airport include Alaska Airlines, American Airlines, and Southwest Airlines.

Top routes to Clearlake

  • Los Angeles (LAX) to Clearlake (STS), with one-way flight options from around $70
  • Burbank (BUR) to Clearlake (STS), with one-way fares starting at around $55
  • San Diego (SAN) to Clearlake (STS), with one-way tickets available from around $75
  • Orange County (SNA) to Clearlake (STS), with one-way flights starting at around $90
  • Seattle (SEA) to Clearlake (STS), with one-way flight options from around $80

Cheapest routes to Clearlake

  • Burbank (BUR) to Clearlake (STS), with low one-way fares from around $55
  • Redmond (RDM) to Clearlake (STS), with affordable one-way prices from around $55
  • Las Vegas (LAS) to Clearlake (STS), with low one-way fares from around $60
  • Ontario (ONT) to Clearlake (STS), with low-cost one-way tickets from around $60
  • Palm Springs (PSP) to Clearlake (STS), with affordable one-way prices from around $60

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Clearlake

  • Alaska Airlines: Services Sonoma County Airport (STS), representing about 71% of arrivals to Clearlake. The typical one-way fare hovers around $260, with business and first class available on select routes.
  • American Airlines: Operates to Sonoma County Airport (STS), contributing roughly 22% of arrivals to Clearlake. Passengers can expect an average one-way fare of about $310, with first class offered on certain routes.
  • Southwest Airlines: Provides flights to Sonoma County Airport (STS), accounting for approximately 2% of arrivals to Clearlake. The average one-way fare is around $210.
  • Avelo Airlines: Serves Sonoma County Airport (STS), responsible for roughly 2% of arrivals to Clearlake. The average one-way fare is approximately $60, making it a budget-friendly choice.
  • Hawaiian Airlines: Flies to Sonoma County Airport (STS), making up about 2% of arrivals to Clearlake. The average one-way fare is around $150.

Best time to fly to Clearlake

The most popular months for travelers to fly to Clearlake are January, March, and April, when peak temperatures in Clearlake can reach up to 55.4°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 71.8°F. For better deals, April usually offers the lowest average one-way fare around $194, roughly 8% cheaper than the yearly average. Looking for additional cheaper months to fly? January, July, and December offer average one-way fares of around $204, making them good options for flexible travelers.

calendar iconMonthtemperature iconTemperaturerain iconPrecipitationmostly cloudy iconCloudinesscrowd level iconDemandprice iconAverage one-way Fare
January45.9°F (7.7°C)Light RainMostly SunnyHigh$199
February47.1°F (8.4°C)Light RainMostly SunnyAverage$216
March49.1°F (9.5°C)Light RainMostly SunnyHigh$216
April55.4°F (13.0°C)No Rain (Dry)Mostly SunnyHigh$194
May62.6°F (17.0°C)No Rain (Dry)SunnyLow$222
June71.8°F (22.1°C)No Rain (Dry)SunnyAverage$216
July78.1°F (25.6°C)No Rain (Dry)SunnyAverage$204
August76.8°F (24.9°C)No Rain (Dry)SunnyAverage$210
September71.8°F (22.1°C)No Rain (Dry)SunnyLow$219
October62.6°F (17.0°C)Light RainSunnyAverage$214
November51.6°F (10.9°C)Light RainMostly SunnyLow$223
December45.1°F (7.3°C)Light RainMostly SunnyAverage$209

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to save money on a flight to Clearlake

Getting some of the best deals on flights to Clearlake is all about timing and flexibility. Here are some key tips to help you save:

  1. Compare flight options—use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
  3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Clearlake hotel and flight deals.
  4. Think about luggage-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
  5. Earn miles—you can earn airline miles when you book your Clearlake flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Clearlake

Clearlake welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Clearlake efficiently:

  • Public transportation: From Sonoma County Airport, Santa Rosa Station (a train station) is located about 7.6 miles away by car, providing convenient access to rail services in the region.
  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Clearlake, with private rides that can be arranged in advance.
  • Car rental: Renting a car in Clearlake is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Clearlake on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay in and around Clearlake

  • Whispering Pines: Nestled 20 miles drive away from Clearlake, Whispering Pines offers stunning scenery and outdoor adventures. This charming village invites travelers to explore its beautiful landscapes, including the picturesque Cobb Mountain, perfect for hiking enthusiasts. Don't miss the historic Healdsburg Plaza, ideal for culture lovers, and the Old Faithful Geyser of California, a natural marvel. Whether you're seeking a peaceful retreat or an active getaway, Whispering Pines has something for everyone amidst its breathtaking surroundings.
  • Clearlake Highlands: Located in the area of Clearlake, Clearlake Highlands is an idyllic village known for its romantic ambiance and scenic beauty. This destination is perfect for outdoor lovers, with attractions like Redbud Park, a lovely urban park for family picnics, and Clear Lake State Park, where adventure awaits in the form of hiking and nature walks. Mount Konocti offers stunning views and trails. Enjoy a blend of relaxation and recreation in this picturesque area, making it a delightful spot for travelers.
  • Clearlake Oaks: Positioned 6 miles drive away from Clearlake, Clearlake Oaks is a charming city that captivates visitors with its outdoor beauty and serene atmosphere. Ideal for couples, this destination features Clear Lake, where you can enjoy romantic sunsets and beach activities. Clear Lake State Park invites adventurers to explore its natural wonders, while Mount Konocti provides breathtaking views. With its blend of recreational areas and wellness options, Clearlake Oaks is perfect for those seeking a tranquil escape amidst nature.

Tips for short-haul flights to Clearlake

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

  • Pack light and skip checked bags—when flying with budget airlines, it's often more economical to travel with just a carry-on. Maximize space by using travel-sized toiletries, wearing your heaviest clothing, and coordinating your outfits efficiently. This approach also helps you avoid the wait at baggage claim upon arrival.
  • Bring your own entertainment—many short-haul flights may lack in-flight entertainment options. To stay engaged, download shows, movies, music, or podcasts ahead of time, and consider bringing a book. Be sure to fully charge your devices before you board.
  • Arrive at the airport in plenty of time—even for short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours before your departure, taking into account traffic and security lines.
  • Bring your own snacks and water—pack snacks and a reusable water bottle to keep hydrated and save money at the airport.

Tips for long-haul flights to Clearlake

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

  • Select your seat in advance—for long flights, choosing your seat is essential for comfort. Full-service airlines typically allow free seat selection once online check-in opens, which is usually 24–48 hours before your flight. Some airlines may provide the option to select seats even earlier.
  • Arrive at the airport in plenty of time—make sure to get to the airport at least 3 hours before departure for international flights to accommodate check-in, security, and immigration processes.
  • Relax at the airport—if you have some extra time, take the opportunity to explore the shops, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Most airports offer free Wi-Fi that is readily available.
  • Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and adjusting your sleep schedule to align with your destination's time zone. Aim to sleep or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.

Frequently asked questions

What month is the cheapest to fly to Clearlake?
Schedule your trip for 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.

 

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Travel information

Destination airport
Clearlake
Destination airport IATA code
SMF

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