Cheap Flights to Castro Valley: Castro Valley Flight Deals

View €59 flight on Tue, 12 May 2026Opens in a new window

Popular airlines to Castro Valley

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Castro Valley

Prices were available within the past 7 days and start at €59 for one-way flights and €124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 18 Apr - Mon, 20 Apr
SAN
San Diego
SFO
San Francisco
€124 Return, found 18 hours ago
€124
Return
found 18 hours ago
Select United flight, departing Sat, 18 Apr from San Diego to San Francisco, returning Mon, 20 Apr, priced at €124 found 18 hours ago
American Airlines
Thu, 9 Apr - Mon, 13 Apr
SAN
San Diego
SJC
San Jose
€126 Return, found 1 day ago
€126
Return
found 1 day ago
Select American Airlines flight, departing Thu, 9 Apr from San Diego to San Jose, returning Mon, 13 Apr, priced at €126 found 1 day ago
Alaska Airlines
Thu, 9 Apr - Mon, 13 Apr
SAN
San Diego
SJC
San Jose
€126 Return, found 1 day ago
€126
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 9 Apr from San Diego to San Jose, returning Mon, 13 Apr, priced at €126 found 1 day ago
Delta
Thu, 9 Apr - Mon, 13 Apr
SAN
San Diego
SJC
San Jose
€134 Return, found 1 day ago
€134
Return
found 1 day ago
Select Delta flight, departing Thu, 9 Apr from San Diego to San Jose, returning Mon, 13 Apr, priced at €134 found 1 day ago
Finnair
Thu, 21 May - Mon, 25 May
DUB
Dublin
SFO
San Francisco
€440 Return, found 20 hours ago
€440
Return
found 20 hours ago
Select Finnair flight, departing Thu, 21 May from Dublin to San Francisco, returning Mon, 25 May, priced at €440 found 20 hours ago

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

February is typically the cheapest month to fly

From €105 - €467 per traveller.

Frequently asked questions

What is the name of Castro Valley's airport?
San Francisco Intl. Airport (SFO) is the one and only airport near Castro Valley.
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 SFO, so it's wise to know how to get to the city before you arrive.
What airport is best to fly into Castro Valley?
With a few airports to take your pick of, Castro Valley is easy to visit on a whim. The terminals that handle most of the city's air traffic are San Francisco Intl. Airport (SFO) (27 kilometres from downtown), SJC (40 kilometres from downtown) and Oakland Intl. Airport (OAK) (11 kilometres from downtown).
How many airlines fly to Castro Valley?
There are a total of 46 airlines connecting Castro Valley with 124 airports globally.
Which airlines fly to Castro Valley?
Typically, travelers choose to fly with Alaska Airlines, United Airlines and Delta Air Lines when heading to Castro Valley. The biggest proportion of these flights come in from Los Angeles, with Alaska Airlines operating this route the most frequently.
How many nonstop flights are there to Castro Valley?
Flying to somewhere new is much more fun when there aren't any lengthy stopovers. If you're making your way to Castro Valley, the fantastic news is that there are around 5,180 direct flights every week.
Where are the most popular flights to Castro Valley departing from?
Travellers frequently jet off from Seattle, Los Angeles and Portland airports when flying to Castro Valley.
How long is the flight to Castro Valley Airport?
If it's Los Angeles you're leaving behind, you'll be in the sky for around 1 hour and 19 minutes before you arrive in Castro Valley. Airport to airport from San Diego typically takes 1 hour and 30 minutes and from Seattle, the average flight time is 2 hours and 7 minutes.
How to book the cheapest flight to Castro Valley?
Don't leave locking in your flight to Castro Valley until the last minute. That's one trick well-versed travellers use to get the best prices. Booking well in advance means more choices and more affordable flights. Also, look around online and compare your options. If your destination has a few airports, you may be able to nab a fantastic deal by flying into a less busy terminal. Lastly, another simple way to save a few dollars is be ready to book fast. If you spot a fantastic bargain, don't hold off — grab it while you've got the chance.
How to survive the flight to Castro Valley?
We've got the lowdown on how to make your journey a pleasant experience. Follow our tips and tricks and you'll be zooming through the airport and having a ball in Castro Valley in no time.What to pack in your hand luggage:

  • It's simple — first, pack in your passport, official ID, credit cards and daily medications. Next, you'll want some extra in-flight entertainment to while away the time. A juicy book and a phone crammed with your favourite movies are always good options. If you intend to take a quick nap, a neck pillow and a pair of noise-cancelling headphones will also be useful. Finally, leave some space for a toothbrush and some deodorant so you'll touchdown looking fresh and ready to go.

Do not pack the following items in your hand luggage:

  • Check carefully that you don't have sharp objects (like a pocket knife) hiding in one of the zippers of your hand luggage. Other banned items include explosive or flammable products, such as fuel and fireworks, and gels and liquids in containers with a volume of more than 3.4 ounces (100 milliliters).

What to wear on a flight:

  • The goal here is to feel as comfortable as you can. Layer up in natural-fibre clothing and bring a cardigan in case it gets cold in the cabin. Pick well-fitting, flat shoes as it's possible that your feet and ankles will swell a little during the journey. Leave the high heels and heavy hiking boots in your checked luggage.
  • The condition called deep vein thrombosis (DVT) is a potential risk on long-haul flights. It results from blood clotting due to inactivity and poor circulation. Doing regular leg and foot exercises while seated is a great way to prevent this occurring. Wearing a high-quality pair of compression tights or socks is also a wise idea.

How to get through airport security fast when flying to Castro Valley?
As savvy travellers know, the secret is to be well prepared before you arrive at security. That way, you'll be stepping onto that plane to Castro Valley in a flash. Follow these helpful tips and get your holiday off to a great start:

  • Keep your passport and travel documents close by. They'll be the first things you'll be asked to show at security.
  • Time to strip down. Well kind of. Your jacket, belt, keys and other items in your pocket, like your headphones, will be required to go through the X-ray machine. Make your life easier by removing them before your turn.
  • For just a few moments, you'll have to unplug from the digital world. Your tablet, phone and any other electronic gadgets must also be sent through the scanner.
  • Travelling with your favourite cologne or perfume? No problem. As long as the volume is no larger than 3.4 ounces (100 milliliters) and it's stored in a clear zip-close bag, you're permitted to bring it with you in your carry-on bag.
  • The right choice of footwear can save you several minutes. Hiking or heavy-style boots are often required to be removed and separately scanned. Lightweight sneakers usually aren't.
  • Take all prohibited items out of your carry-on bag. If you have any sharp objects like a pocket knife or tools, put them in your checked baggage. They won't be allowed on board.

Book with confidence

Expedia.ie is an online travel company that specialises in securing the best prices for flights to Castro Valley. With Expedia you get highly specialised services, combining the best of technology, in-depth knowledge and the best connections in order to offer great deals to Castro Valley. Expedia shares your passion for travel and has built the best online travel service that promotes and encourages travel. Whether you are looking for cheap flights to Castro Valley, or are just on the lookout for the best flights to Castro Valley, you are sure to find the best deals with Expedia.ie.

"One of the many benefits of booking your flights through Expedia is that we are one of the world’s largest online travel agency, which means we use our collective experience and work tirelessly to bring you the best prices. With Expedia you get a user-friendly internet experience and a dedicated customer support service that ensures that everything goes smoothly. The goal of Expedia is to offer premium services at the lowest price, all at one single place. If you wish to save even more try combing a hotel in Castro Valley to your flight and create a personalised low cost city break or holiday to your favourite destination. Book early and you could save even more!

If you have an Expedia.ie itinerary number and have a question or concern about your travel plans you can call us on (01) 524 5005 from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends and an Expedia agent will help you.

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
€78

Trending flights to Castro Valley

Prices were available within the past 7 days and start at €59 for one-way flights and €124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Thu, 21 May - Mon, 25 May
DUB
Dublin
SFO
San Francisco
€440 Return, found 20 hours ago
€440
Return
found 20 hours ago
Select Finnair flight, departing Thu, 21 May from Dublin to San Francisco, returning Mon, 25 May, priced at €440 found 20 hours ago
*Available to Expedia members.