Cheap Flights from Washington (IAD) to San Jose (SJC)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)

Find the cheapest month to fly from Washington (IAD) to San Jose (SJC)

September is typically the cheapest month to fly

From $202 - $405 per traveler.

Graph displaying average flight prices per month

Flights from Washington (IAD) to San Jose (SJC)
Origin airport
Washington Dulles Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$150
Distance
2394 mi

Washington to San Jose Flights

The cheapest times to fly from Washington to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to San Jose are during the month of . You can find some of the cheapest flights from Washington to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to San Jose

Sunday is one of the best days to book for cheap flights from Washington to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

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

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Discover the latest flight deals from IAD to SJC by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAD to SJC?
The cheapest flights from IAD to SJC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to SJC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to SJC. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
You'll need to catch a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IAD to SJC?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Jose from Washington Dulles Intl. Airport (IAD)?
San Francisco Intl. Airport (SFO) is the only airport in San Jose with direct flights from Washington Dulles Intl. Airport (IAD). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Last-minute fares from IAD to SJC are usually more expensive. For the cheapest rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an IAD to SJC flight and hotel package?
Opting for an IAD to SJC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
If you reserved your IAD to SJC flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.