Cheap flights from San Jose, California to Washington, D.C. from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Washington, D.C. departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Jose, California to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:20 am - 11:55 pm
SJC
-
IAD
13h 35m
1 stop
Delta Logo
7:00 am - 3:00 pm
IAD
-
SJC
11h 00m
1 stop
$245Delta
Tue, Apr 21 - Tue, Apr 28
Delta Logo
7:20 am - 11:55 pm
SJC
-
IAD
13h 35m
1 stop
Delta Logo
7:20 am - 12:23 pm
IAD
-
SJC
8h 03m
1 stop
$251Delta
Wed, Apr 22 - Sat, Apr 25
Southwest Logo
11:25 am - 11:40 pm
SJC
-
IAD
9h 15m
2 stops
Southwest Logo
6:20 am - 10:35 am
IAD
-
SJC
7h 15m
1 stop
$256Southwest
Tue, Apr 14 - Tue, Apr 21
Delta Logo
1:45 pm - 12:27 am
SJC
-
IAD
7h 42m
1 stop
Delta Logo
7:20 am - 12:23 pm
IAD
-
SJC
8h 03m
1 stop
$257Delta
Sat, Apr 18 - Sat, Apr 25
Southwest Logo
11:25 am - 11:40 pm
SJC
-
IAD
9h 15m
2 stops
Southwest Logo
4:30 pm - 11:00 pm
IAD
-
SJC
9h 30m
2 stops
$261Southwest
Tue, Apr 14 - Tue, Apr 21
Alaska Airlines Logo
6:15 am - 5:40 am
SJC
-
IAD
20h 25m
1 stop
Alaska Airlines Logo
6:22 pm - 9:58 am
IAD
-
SJC
18h 36m
1 stop
$268Alaska Airlines
Mon, Apr 13 - Tue, Apr 14
Southwest Logo
1:35 pm - 11:40 pm
SJC
-
IAD
7h 05m
1 stop
Southwest Logo
4:30 pm - 9:55 pm
IAD
-
SJC
8h 25m
1 stop
$271Southwest
Wed, Apr 15 - Tue, Apr 21
Southwest Logo
6:35 am - 4:50 pm
SJC
-
IAD
7h 15m
1 stop
Southwest Logo
4:30 pm - 10:40 pm
IAD
-
SJC
9h 10m
1 stop
$274Southwest
Wed, Apr 29 - Mon, May 4
Southwest Logo
1:35 pm - 11:40 pm
SJC
-
IAD
7h 05m
1 stop
Southwest Logo
6:20 am - 2:30 pm
IAD
-
SJC
11h 10m
2 stops
$276Southwest
Wed, Apr 15 - Tue, Apr 21
Delta Logo
1:45 pm - 12:27 am
SJC
-
IAD
7h 42m
1 stop
Delta Logo
7:00 am - 3:00 pm
IAD
-
SJC
11h 00m
1 stop
$277Delta
Sat, Apr 18 - Wed, Apr 29

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

Our best Southwest deals on San Jose, California to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Apr 14
SJC11:25 amSan Jose
9h 15m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
Apr 21
IAD6:20 amWashington, D.C. Dulles Intl
7h 15m
1 stop
SJC10:35 amSan Jose
$256
Southwest
Apr 14
SJC11:25 amSan Jose
9h 15m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
Apr 21
IAD4:30 pmWashington, D.C. Dulles Intl
9h 30m
2 stops
SJC11:00 pmSan Jose
$261
Southwest
Apr 15
SJC1:35 pmSan Jose
7h 05m
1 stop
IAD11:40 pmWashington, D.C. Dulles Intl
Apr 21
IAD4:30 pmWashington, D.C. Dulles Intl
8h 25m
1 stop
SJC9:55 pmSan Jose
$271

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

Our best Delta deals on San Jose, California to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Apr 21
SJC7:20 amSan Jose
13h 35m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Apr 28
IAD7:00 amWashington, D.C. Dulles Intl
11h 00m
1 stop
SJC3:00 pmSan Jose
$245
Delta
Apr 18
SJC1:45 pmSan Jose
7h 42m
1 stop
IAD12:27 amWashington, D.C. Dulles Intl
Apr 29
IAD7:00 amWashington, D.C. Dulles Intl
11h 00m
1 stop
SJC3:00 pmSan Jose
$251
Delta
Apr 18
SJC1:45 pmSan Jose
7h 42m
1 stop
IAD12:27 amWashington, D.C. Dulles Intl
Apr 25
IAD7:20 amWashington, D.C. Dulles Intl
8h 03m
1 stop
SJC12:23 pmSan Jose
$257

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to Washington, D.C. Dulles Intl Airport 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 March 7, 2026.
Use the filters below to find and compare flights from San Jose, California to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 4/21

7:20 am-11:55 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-3:00 pm

1 stop11h 00m

$245

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 4/22

7:20 am-11:55 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sat 4/25

7:20 am-12:23 pm

1 stop8h 03m

$251

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 4/14

11:25 am-11:40 pm

2 stops9h 15m

Washington, D.C. Dulles Intl

Tue 4/21

6:20 am-10:35 am

1 stop7h 15m

$256

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 4/18

1:45 pm-12:27 am

1 stop7h 42m

Washington, D.C. Dulles Intl

Sat 4/25

7:20 am-12:23 pm

1 stop8h 03m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 4/14

11:25 am-11:40 pm

2 stops9h 15m

Washington, D.C. Dulles Intl

Tue 4/21

4:30 pm-11:00 pm

2 stops9h 30m

$261

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 4/13

6:15 am-5:40 am

1 stop20h 25m

Washington, D.C. Dulles Intl

Tue 4/14

6:22 pm-9:58 am

1 stop18h 36m

$268
Quickest round-trip

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 4/15

1:35 pm-11:40 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Tue 4/21

4:30 pm-9:55 pm

1 stop8h 25m

$271

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 4/29

6:35 am-4:50 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Mon 5/4

4:30 pm-10:40 pm

1 stop9h 10m

$274

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 4/15

1:35 pm-11:40 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Tue 4/21

6:20 am-2:30 pm

2 stops11h 10m

$276

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 4/18

1:45 pm-12:27 am

1 stop7h 42m

Washington, D.C. Dulles Intl

Wed 4/29

7:00 am-3:00 pm

1 stop11h 00m

$277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

In general, April is the cheapest month to fly from San Jose, California to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $312. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $347.

What is the cheapest San Jose to Washington, D.C. Dulles Intl flight route?

Fly from San Jose to Washington, D.C. Dulles Intl for the best San Jose - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Jose, California for as low as $236 on momondo.

What cabin class options are available on San Jose to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on San Jose to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of March 2026, prices for San Jose, California to Washington, D.C. Dulles Intl Airport flights are approximately 11% more expensive when compared to flights at the same time last year.

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

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

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

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

Fastest flight time

7h 15m

Direct flights

None
The fastest flight from San Jose, California to Washington, D.C. Dulles Intl Airport takes 7h 15m
There are no direct flights from San Jose, California to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from San Jose, California to Washington, D.C. Dulles Intl Airport.
  • How far is San Jose to Washington, D.C. Dulles Intl by plane?

    San Jose and Washington, D.C. Dulles Intl are 2391.6 mi apart from one another. A reasonable flight in good conditions will take 7h 15m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 San Jose, California to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from San Jose, California to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $156Free CancellationRating
5.7
3,041 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $216Free CancellationRating
8.0
11,992 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,309 reviews
Search Southwest flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,403 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,261 reviews
Search Delta flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Sterling

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Jose to Washington, D.C. for you.

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

Yes. All flights to Washington, D.C. from San Jose on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from San Jose.

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

Yes momondo offers price alerts on flights to Washington, D.C. from San Jose. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/6
Mon 4/13

Find better results for your trip to Washington, D.C.