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Cheap flights from Washington, D.C. Dulles Intl Airport to San Jose from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Jose departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Jose

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:26 pm - 10:35 pm
IAD
-
SJC
8h 09m1 stop
Alaska Airlines Logo
7:00 am - 5:04 pm
SJC
-
IAD
7h 04m1 stop
$250Alaska Airlines
Tue, Jan 27 - Sat, Jan 31
Alaska Airlines Logo
5:26 pm - 10:35 pm
IAD
-
SJC
8h 09m1 stop
Alaska Airlines Logo
7:00 am - 5:04 pm
SJC
-
IAD
7h 04m1 stop
$253Alaska Airlines
Wed, Jan 21 - Thu, Jan 29
Southwest Logo
9:05 am - 2:45 pm
IAD
-
SJC
8h 40m1 stop
Southwest Logo
10:55 am - 9:55 pm
SJC
-
IAD
8h 00m2 stops
$256Southwest
Tue, Jan 27 - Tue, Feb 3
Delta Logo
7:15 am - 12:36 pm
IAD
-
SJC
8h 21m1 stop
Delta Logo
10:30 pm - 9:08 am
SJC
-
IAD
7h 38m1 stop
$257Delta
Sat, Feb 14 - Wed, Feb 18
Southwest Logo
9:05 am - 3:55 pm
IAD
-
SJC
9h 50m2 stops
Southwest Logo
9:55 am - 9:55 pm
SJC
-
IAD
9h 00m2 stops
$261Southwest
Tue, Jan 27 - Tue, Feb 3
Delta Logo
6:00 am - 12:36 pm
IAD
-
SJC
9h 36m1 stop
Delta Logo
9:15 am - 11:09 pm
SJC
-
IAD
10h 54m2 stops
$262Delta
Sat, Feb 14 - Wed, Feb 18
Delta Logo
12:23 pm - 9:20 pm
IAD
-
SJC
11h 57m2 stops
Delta Logo
9:15 am - 11:09 pm
SJC
-
IAD
10h 54m2 stops
$267Delta
Wed, Feb 11 - Tue, Feb 17
Alaska Airlines Logo
5:26 pm - 10:35 pm
IAD
-
SJC
8h 09m1 stop
Alaska Airlines Logo
7:00 am - 5:27 pm
SJC
-
IAD
7h 27m1 stop
$273Alaska Airlines
Wed, Feb 4 - Fri, Feb 20
Southwest Logo
5:30 am - 10:20 am
IAD
-
SJC
7h 50m1 stop
Southwest Logo
12:10 pm - 9:55 pm
SJC
-
IAD
6h 45m1 stop
$274Southwest
Thu, Jan 15 - Tue, Jan 27
United Airlines Logo
6:20 am - 1:39 pm
IAD
-
SJC
10h 19m1 stop
United Airlines Logo
8:40 am - 9:11 pm
SJC
-
IAD
9h 31m1 stop
$275United Airlines
Tue, Jan 6 - Wed, Jan 14

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to San Jose, California

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to San Jose, California flight tickets
Alaska Airlines
Jan 27
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
Jan 31
SJC7:00 amSan Jose
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
$250
Find similar
Alaska Airlines
Jan 21
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
Jan 29
SJC7:00 amSan Jose
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
$253
Find similar
Alaska Airlines
Feb 4
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
Feb 20
SJC7:00 amSan Jose
7h 27m
1 stop
IAD5:27 pmWashington, D.C. Dulles Intl
$273
Find similar

Delta flights from Washington, D.C. Dulles Intl Airport to San Jose, California

Our best Delta deals on Washington, D.C. Dulles Intl Airport to San Jose, California flight tickets
Delta
Feb 14
IAD7:15 amWashington, D.C. Dulles Intl
8h 21m
1 stop
SJC12:36 pmSan Jose
Feb 18
SJC10:30 pmSan Jose
7h 38m
1 stop
IAD9:08 amWashington, D.C. Dulles Intl
$257
Find similar
Delta
Feb 14
IAD6:00 amWashington, D.C. Dulles Intl
9h 36m
1 stop
SJC12:36 pmSan Jose
Feb 18
SJC9:15 amSan Jose
10h 54m
2 stops
IAD11:09 pmWashington, D.C. Dulles Intl
$262
Find similar
Delta
Feb 11
IAD12:23 pmWashington, D.C. Dulles Intl
11h 57m
2 stops
SJC9:20 pmSan Jose
Feb 17
SJC9:15 amSan Jose
10h 54m
2 stops
IAD11:09 pmWashington, D.C. Dulles Intl
$267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to San Jose, California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 1/27

5:26 pm-10:35 pm

1 stop8h 09m

San Jose

Sat 1/31

7:00 am-5:04 pm

1 stop7h 04m

$250

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 1/21

5:26 pm-10:35 pm

1 stop8h 09m

San Jose

Thu 1/29

7:00 am-5:04 pm

1 stop7h 04m

$253

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 1/27

9:05 am-2:45 pm

1 stop8h 40m

San Jose

Tue 2/3

10:55 am-9:55 pm

2 stops8h 00m

$256

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 2/14

7:15 am-12:36 pm

1 stop8h 21m

San Jose

Wed 2/18

10:30 pm-9:08 am

1 stop7h 38m

$257

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 1/27

9:05 am-3:55 pm

2 stops9h 50m

San Jose

Tue 2/3

9:55 am-9:55 pm

2 stops9h 00m

$261

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 2/14

6:00 am-12:36 pm

1 stop9h 36m

San Jose

Wed 2/18

9:15 am-11:09 pm

2 stops10h 54m

$262

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 2/11

12:23 pm-9:20 pm

2 stops11h 57m

San Jose

Tue 2/17

9:15 am-11:09 pm

2 stops10h 54m

$267

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 2/4

5:26 pm-10:35 pm

1 stop8h 09m

San Jose

Fri 2/20

7:00 am-5:27 pm

1 stop7h 27m

$273

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Thu 1/15

5:30 am-10:20 am

1 stop7h 50m

San Jose

Tue 1/27

12:10 pm-9:55 pm

1 stop6h 45m

$274

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 1/6

6:20 am-1:39 pm

1 stop10h 19m

San Jose

Wed 1/14

8:40 am-9:11 pm

1 stop9h 31m

$275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Jose from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Jose, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Jose, California?

The month of September is, on average, the cheapest month to fly to San Jose, California from Washington, D.C. Dulles Intl Airport, with most prices found around $289. If you are unable to visit San Jose, California during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $296.

What is the cheapest day to depart on your flight to San Jose, California?

On average, the least expensive day to fly to San Jose, California from Washington, D.C. Dulles Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $354. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to San Jose, California for around $507.

What is the cheapest time of day to depart on your flight to San Jose, California?

The cheapest time of day to fly to San Jose, California is in the evening when flights can be purchased for as low as $178. In the afternoon is when there is more demand to fly to San Jose, California, so prices are often more expensive at around $453 per ticket.

How far in advance should I book a flight to San Jose, California?

You are more likely to see cheaper flights to San Jose, California from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from Washington, D.C. Dulles Intl Airport for as low as $285 on momondo.

How have Washington, D.C. Dulles Intl Airport to San Jose, California flight prices changed over time?

As of December 2025, prices for Washington, D.C. Dulles Intl Airport to San Jose, California flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to San Jose, California

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San Jose, California according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to San Jose, California (IAD to SJC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Jose, California

Fastest flight time

7h 50m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to San Jose, California takes 7h 50m
There are no direct flights from Washington, D.C. Dulles Intl Airport to San Jose, California. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to San Jose, California.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to San Jose by plane?

    A flight from Washington, D.C. Dulles Intl to San Jose will travel around 2391.6 mi. Typically, this will take 7h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Jose Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to San Jose Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Jose Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Jose Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Jose, California?

Best airlines flying from Washington, D.C. Dulles Intl Airport to San Jose, California

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Jose, California with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $224Free CancellationRating
8.0
11,417 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,084 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,011 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Jose?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to San Jose. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to San Jose with flexible booking policies on momondo?

All flight searches from Washington, D.C. to San Jose on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Jose?

momondo helps you find the best flight between Washington, D.C. and San Jose by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to San Jose right now. Can momondo alert me if prices change?

Price alerts on flights to San Jose from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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