$19 Cheap Flights to Petaluma, CA

Flights to Petaluma at a glance

Getting to Petaluma is easy—choose between full-service and budget airlines, then compare flight durations to find the best fit for your travel plans. Whether you're looking for affordable Petaluma flights or trip tickets to Petaluma, you can select an option that aligns with your budget and itinerary for exploring the city's highlights.

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

Popular airport near Petaluma

Petaluma is a charming city perfect for outdoor enthusiasts and adventure seekers, offering stunning scenery for family getaways or romantic escapes. With convenient access to major airports like Sonoma County Airport and Oakland Airport, it's easy for travelers to reach this delightful destination.

• Sonoma County Airport (STS): Nestled in Sonoma County, California, this airport is approximately 21 miles from Petaluma. It offers flights to over 50 domestic destinations, allowing passengers the option to elevate their experience with business class or first class seating based on the airline and route. Major carriers operating here include Alaska Airlines, American Airlines, and Southwest Airlines.

Top routes to Petaluma

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

Cheapest routes to Petaluma

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

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

Top airlines with flights to Petaluma

• Alaska Airlines: Operating flights to Sonoma County Airport (STS), Alaska Airlines represents about 71% of arrivals in Petaluma. The typical one-way fare is around $260, with premium service options like business and first class available depending on the flight route.
• American Airlines: With flights to Sonoma County Airport (STS), American Airlines accounts for roughly 22% of Petaluma's arrivals. The average one-way fare is approximately $310, featuring first-class service on select routes.
• Southwest Airlines: Serving Sonoma County Airport (STS), Southwest Airlines contributes around 2% of arrivals to Petaluma. Travelers can expect an average one-way fare of about $210.
• Avelo Airlines: Avelo Airlines operates to Sonoma County Airport (STS) and makes up about 2% of Petaluma's arrivals. The average one-way fare is quite affordable at approximately $60.
• Hawaiian Airlines: Providing services to Sonoma County Airport (STS), Hawaiian Airlines accounts for around 2% of arrivals in Petaluma. The typical one-way fare is about $150.

Best time to fly to Petaluma

The most popular months for travelers to fly to Petaluma are January, March, and April, when peak temperatures in Petaluma can reach up to 55.9°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 66.6°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.

*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 Petaluma

Getting some of the best deals on flights to Petaluma 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 Petaluma 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 Petaluma flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Petaluma

Petaluma welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Petaluma 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 for travelers heading into the city.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Petaluma, with options including free hotel shuttles and private rides, which can be arranged in advance.
• Car rental: Renting a car in Petaluma is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Petaluma 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 Petaluma

• Sonoma: Sonoma is located 11 miles drive away from Petaluma and is a charming city that offers a blend of outdoor adventures and cultural experiences. Visitors can indulge in rejuvenating spa treatments, enjoy thrilling motor racing, or explore the serene beauty of local parks and beaches. Key highlights to visit include Sonoma Plaza, a picturesque piazza perfect for soaking in the local culture, and the Sonoma TrainTown Railroad, an amusement park that’s ideal for family fun. Don't miss the Napa Valley Wine Train for a unique historic journey through the stunning vineyards.
• San Antonio: San Antonio is located in the area of Petaluma, and this quaint village is perfect for couples seeking a romantic getaway. With its luxurious resorts and wellness centers, visitors can unwind while enjoying shopping at local malls. San Antonio is conveniently near attractions like Sonoma Plaza and the Napa Valley Wine Train, allowing travelers to easily explore the region’s rich culture. The Sonoma TrainTown Railroad also offers family-friendly excitement, making San Antonio a lovely base for varied experiences.
• Santa Rosa: Santa Rosa is located 15 miles drive away from Petaluma and is a vibrant city known for its outdoor beauty and romantic settings. Ideal for those seeking scenic views, Santa Rosa features lovely rivers and beaches perfect for leisurely strolls. Visitors can explore the Sonoma County Fairgrounds for family-friendly events, or delve into art and history at the Charles M. Schulz Museum. For a taste of local academia, Santa Rosa Junior College stands as a historical landmark, enriching your cultural experience in this picturesque area.

Tips for short-haul flights to Petaluma

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, traveling with just a carry-on is often more economical. Maximize your space by using travel-sized toiletries, wearing your heaviest clothing, and coordinating your outfits. This also allows you to bypass the wait at baggage claim upon arrival.
• Bring your own entertainment—short-haul flights frequently lack in-flight entertainment options. To keep yourself occupied, download TV shows, movies, music, or podcasts ahead of time and consider bringing a book. Remember to fully charge your devices before you board.
• Arrive at the airport in plenty of time—for both short and domestic flights, it’s advisable to arrive at least 1.5 to 2 hours prior to departure, taking into account potential traffic and security lines.
• Bring your own snacks and water—pack your favorite snacks and a refillable water bottle to stay hydrated and save money at the airport.

Tips for long-haul flights to Petaluma

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

• Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines often provide the option to select your seat for free once online check-in opens, typically 24–48 hours before your flight. Some airlines allow seat selection even earlier.
• Arrive at the airport in plenty of time—make sure to arrive at the airport at least 3 hours before your 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, enjoy a coffee, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
• Adjust to the new time zone mid-flight—begin to align your body clock by changing your watch and sleep schedule to your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival location to help minimize jet lag.

Tips to find the cheapest flights to Petaluma

The cheapest day to fly

Get started finding a cheap flight to Petaluma on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

October is the cheapest month to fly to Petaluma. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Petaluma. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Petaluma, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Petaluma

The lowest price for round-trip flights to Petaluma in 2026 starts from $38, while one-way tickets start from from $19. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Petaluma. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Petaluma

Frontier Airlines, Delta, Southwest Airlines, Alaska Airlines are just some of the airlines that can typically offer cheap tickets to Petaluma. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Petaluma and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Petaluma, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Petaluma. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Petaluma plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Petaluma

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Petaluma.

Stopover savings

The cheapest tickets to Petaluma are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Petaluma. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Petaluma for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Petaluma. Simply download the free Expedia app to your smart device and activate Petaluma flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Petaluma. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.