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Cheap flights from San Jose, California to Washington, D.C. from $138

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 8/13. 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
1 adult, Economy, 0 bags

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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
7:15 am - 7:33 pm
SJC
-
IAD
9h 18m
1 stop
Delta Logo
7:10 am - 2:02 pm
IAD
-
SJC
9h 52m
1 stop
$257Delta
Wed, Sep 9 - Wed, Sep 16
Delta Logo
12:37 pm - 12:34 am
SJC
-
IAD
8h 57m
1 stop
Delta Logo
6:00 am - 11:27 am
IAD
-
SJC
8h 27m
1 stop
$271Delta
Wed, Sep 2 - Sun, Sep 6
Alaska Airlines Logo
5:06 pm - 6:14 pm
SJC
-
IAD
22h 08m
1 stop
Alaska Airlines Logo
7:47 pm - 9:23 am
IAD
-
SJC
16h 36m
1 stop
$285Alaska Airlines
Mon, Sep 14 - Sat, Sep 19
Alaska Airlines Logo
7:29 am - 6:14 pm
SJC
-
IAD
7h 45m
1 stop
Alaska Airlines Logo
7:00 am - 1:17 pm
IAD
-
SJC
9h 17m
1 stop
$295Alaska Airlines
Fri, Sep 11 - Wed, Sep 16
Delta Logo
1:46 pm - 11:39 pm
SJC
-
IAD
6h 53m
1 stop
Delta Logo
7:00 am - 12:54 pm
IAD
-
SJC
8h 54m
1 stop
$296Delta
Fri, Aug 21 - Tue, Aug 25
Alaska Airlines Logo
10:00 am - 11:59 pm
SJC
-
IAD
10h 59m
1 stop
Alaska Airlines Logo
7:00 am - 3:51 pm
IAD
-
SJC
11h 51m
1 stop
$305Alaska Airlines
Tue, Sep 29 - Wed, Sep 30
Alaska Airlines Logo
7:13 am - 6:45 pm
SJC
-
IAD
8h 32m
1 stop
Alaska Airlines Logo
7:53 pm - 9:26 am
IAD
-
SJC
16h 33m
1 stop
$310Alaska Airlines
Tue, Jul 14 - Tue, Jul 21
Alaska Airlines Logo
7:13 am - 6:45 pm
SJC
-
IAD
8h 32m
1 stop
Alaska Airlines Logo
7:53 pm - 9:26 am
IAD
-
SJC
16h 33m
1 stop
$315Alaska Airlines
Thu, Aug 6 - Sun, Aug 9
Alaska Airlines Logo
7:13 am - 6:45 pm
SJC
-
IAD
8h 32m
1 stop
Alaska Airlines Logo
7:00 am - 12:48 pm
IAD
-
SJC
8h 48m
1 stop
$320Alaska Airlines
Tue, Aug 18 - Wed, Aug 26
United Airlines Logo
2:10 pm - 12:44 am
SJC
-
IAD
7h 34m
1 stop
United Airlines Logo
2:43 pm - 8:57 pm
IAD
-
SJC
9h 14m
1 stop
$324United Airlines
Tue, Sep 8 - Sat, Sep 12

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

Our best Alaska Airlines deals on San Jose, California to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Sep 14
SJC5:06 pmSan Jose
22h 08m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Sep 19
IAD7:47 pmWashington, D.C. Dulles Intl
16h 36m
1 stop
SJC9:23 amSan Jose
$285
Alaska Airlines
Sep 11
SJC7:29 amSan Jose
7h 45m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Sep 16
IAD7:00 amWashington, D.C. Dulles Intl
9h 17m
1 stop
SJC1:17 pmSan Jose
$295
Alaska Airlines
Sep 29
SJC10:00 amSan Jose
10h 59m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Sep 30
IAD7:00 amWashington, D.C. Dulles Intl
11h 51m
1 stop
SJC3:51 pmSan Jose
$305

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
Sep 9
SJC11:33 amSan Jose
9h 22m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Sep 15
IAD6:20 amWashington, D.C. Dulles Intl
8h 49m
1 stop
SJC12:09 pmSan Jose
$257
Delta
Sep 2
SJC12:37 pmSan Jose
8h 57m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
Sep 6
IAD6:00 amWashington, D.C. Dulles Intl
8h 27m
1 stop
SJC11:27 amSan Jose
$271
Delta
Aug 21
SJC1:46 pmSan Jose
6h 53m
1 stop
IAD11:39 pmWashington, D.C. Dulles Intl
Aug 25
IAD7:00 amWashington, D.C. Dulles Intl
8h 54m
1 stop
SJC12:54 pmSan Jose
$296

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 June 5, 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

Wed 9/9

7:15 am-7:33 pm

1 stop9h 18m

Washington, D.C. Dulles Intl

Wed 9/16

7:10 am-2:02 pm

1 stop9h 52m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 9/2

12:37 pm-12:34 am

1 stop8h 57m

Washington, D.C. Dulles Intl

Sun 9/6

6:00 am-11:27 am

1 stop8h 27m

$271

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 9/14

5:06 pm-6:14 pm

1 stop22h 08m

Washington, D.C. Dulles Intl

Sat 9/19

7:47 pm-9:23 am

1 stop16h 36m

$285

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 9/11

7:29 am-6:14 pm

1 stop7h 45m

Washington, D.C. Dulles Intl

Wed 9/16

7:00 am-1:17 pm

1 stop9h 17m

$295
Quickest round-trip

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 8/21

1:46 pm-11:39 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Tue 8/25

7:00 am-12:54 pm

1 stop8h 54m

$296

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 9/29

10:00 am-11:59 pm

1 stop10h 59m

Washington, D.C. Dulles Intl

Wed 9/30

7:00 am-3:51 pm

1 stop11h 51m

$305

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 7/14

7:13 am-6:45 pm

1 stop8h 32m

Washington, D.C. Dulles Intl

Tue 7/21

7:53 pm-9:26 am

1 stop16h 33m

$310

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 8/6

7:13 am-6:45 pm

1 stop8h 32m

Washington, D.C. Dulles Intl

Sun 8/9

7:53 pm-9:26 am

1 stop16h 33m

$315

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 8/18

7:13 am-6:45 pm

1 stop8h 32m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-12:48 pm

1 stop8h 48m

$320

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 9/8

2:10 pm-12:44 am

1 stop7h 34m

Washington, D.C. Dulles Intl

Sat 9/12

2:43 pm-8:57 pm

1 stop9h 14m

$324

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 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 typical price of a round-trip flight between San Jose, California and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August 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 $362. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $376.

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 from San Jose, California 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 $409 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 $274 on momondo.

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

There are 3 cabin classes available to choose from on San Jose, California to Washington, D.C. Dulles Intl Airport 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 June 2026, prices for San Jose, California to Washington, D.C. Dulles Intl Airport flights are approximately 19% 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 13m

Direct flights

None
The fastest flight from San Jose, California to Washington, D.C. Dulles Intl Airport takes 7h 13m
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.
Search flight deals

Frequently asked questions about flying 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 13m.

  • 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
Alaska AirlinesPriceFrom $246Free CancellationRating
7.9
12,468 reviews
Search Alaska Airlines flights
DeltaPriceFrom $274Free CancellationRating
7.8
8,397 reviews
Search Delta flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,778 reviews
Search United Airlines 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
Laurel
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Sterling
Tysons
Springfield
Fairfax

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.

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