A calm lake with a small island in the center, surrounded by forested hills.

Cheap Flights to Castro Valley , CA from CA $128

View CA $128 flight on Fri, Dec 4, 2026Opens in a new window

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How much is the cheapest flight to Castro Valley?

Prices were available within the past 7 days and start at CA $128 for one-way flights and CA $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flair Airlines
WestJet
Air Canada
Delta
American Airlines

Find the cheapest month to fly from Columbus (CMH) to Oakland (OAK)

From CA $328 - CA $1,116 per traveller.

Frequently asked questions

What is the name of Castro Valley's airport?
Castro Valley has more than one airport, but most visitors prefer to touch down at San Francisco Intl. Airport (SFO).
How far is San Francisco Airport from central Castro Valley?
Lengthy commutes don't have to be stressful if you plan ahead of time. Downtown Castro Valley is 27 kilometres from San Francisco Airport, so it's wise to know how you'll get into the city before you touchdown.
What airport is best to fly into Castro Valley?
Castro Valley is a hub of travel. Every month, scores of people fly in and out of San Francisco Intl. Airport (SFO) (27 kilometres from downtown) and Norman Y. Mineta San Jose Intl. Airport (SJC) (40 kilometres from downtown). Oakland Intl. Airport (OAK) (11 kilometres from downtown) also sees plenty of air traffic.
How many airlines fly to Castro Valley?
Castro Valley is serviced by 61 air carriers from 136 airports across the globe.
Which airlines fly to Castro Valley?
United Airlines, Alaska Airlines and Delta fly the most frequently to Castro Valley. The majority of these flights come from Los Angeles, with United Airlines offering the most services on this route.
How many nonstop flights are there to Castro Valley?
Flying to someplace new is much easier when there aren't any stopovers to slow you down. If you're travelling to Castro Valley, the great news is that there are approximately 4,722 direct flights each week.
Where are the most popular flights to Castro Valley departing from?
A large number of flights to Castro Valley leave from Los Angeles, Las Vegas and Seattle airports.
How long is the flight to Castro Valley Airport?
If it's Los Angeles you're leaving behind, you'll be in the air for around 1 hour and 26 minutes before you touchdown in Castro Valley. Terminal to terminal from Las Vegas takes around 1 hour and 39 minutes and from Seattle, it's 2 hours and 13 minutes.
How to book the cheapest flight to Castro Valley?
Don't leave locking in your flight to Castro Valley until the last moment. That's one move frequent jet-setters use to get the best prices. Booking in advance means more options and less expensive flights. Also, shop around and compare your options. If your destination has more than one airport, you may be able to nab a better deal by flying into one a little farther out. And finally, don't forget that the early bird catches the worm. Know what a typical airfare costs and be ready to reserve your seat as soon as you spot a bargain. The best deals never last long.
Do you have any tips for my flight to Castro Valley?
Depending on where you're coming from, your flight to Castro Valley could be as easy as pie or it could drag on forever. Below are some useful travel tips that will help you start your next great escape on a positive note. What to pack in your hand luggage:
  • The trick to having a great travel experience is to be prepared. So, let's start with the essentials: passport, official ID, bank cards and any vital medications. Next, bring items that'll help keep you busy, like some electronic gadgets or a juicy novel. It's also wise to pack your chargers, a quality neck pillow and a pair of earphones. Finally, don't forget to chuck in toiletry items like a toothbrush, lip balm and a clean set of clothes.
Do not pack the following items in your hand luggage:
  • Double-check that you don't have a Swiss Army knife hiding in your carry-on luggage. Other restricted items include flammable or explosive goods, such as aerosol cans and bleach, and gels and liquids in containers with a volume of more than 3.4 ounces (100 millilitres).
What to wear on a flight:
  • The aisles of an aircraft are no place for a fashion parade. Don comfortable layers and go for shoes that are roomy, flat and easy to take on and off.
  • The result of lengthy periods of inactivity, deep vein thrombosis (DVT) is a blood clot condition that can affect passengers during long flights. Reduce the risks by staying hydrated, keeping your ankles and legs moving and wearing compression socks or tights.
How to get through airport security fast when flying to Castro Valley?
As seasoned travellers know, the secret is to be prepared before you reach the security gate. That way, you'll be boarding that plane to Castro Valley in a flash. Follow these helpful tips and get your trip off to a great start:
  • Have your passport and boarding pass handy. They'll be the first things you'll be asked to present to security.
  • Your belt, jacket, keys and other small items, like your headphones, will need to go through the X-ray machine. Make the whole process easier by removing them as your turn draws near.
  • Your electronic gadgets like laptops and phones will also have to go on a tray to be scanned. Don't worry, you'll be back online soon enough.
  • Want to bring along your favourite perfume or cologne? No problem. As long as the volume is no larger than 3.4 ounces (100 millilitres) and it's stored in a zip-close bag, you can bring it with you in your carry-on.
  • There's a chance you'll be required to remove your shoes to be X-rayed, so wearing slip-on sneakers is always a clever idea.
  • Knives and other sharp items are not allowed on board. They'll be seized at security, so pack them safely away in your checked luggage.

Book with confidence

Find Your Flights to Castro Valley SJC

Cheap flights to Castro Valley (SJC)

Get started finding a cheap flight to Castro Valley on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport, and whether you want a 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.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Castro Valley.

Roundtrip prices range from CA $267 - CA $470, and one-ways Castro Valley start as low as CA $128.

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to Castro Valley (SJC)

You have several options for which airline you choose to travel with to Castro Valley. There are 10 airlines flying into SJC: Flair Airlines, WestJet, American Airlines, Delta, Air Canada. 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform.

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Castro Valley (SJC) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to SJC in November and in December for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Find Your Flights to Castro Valley SJC

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Roundtrip price
CA $267

Trending flights to Castro Valley

Prices were available within the past 7 days and start at CA $128 for one-way flights and CA $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flair Airlines

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