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Cheap flights from San Jose, California to Washington, D.C. from $134

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 1/24. 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 San Jose, California to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 10:48 pm
SJC
-
IAD
13h 48m2 stops
American Airlines Logo
11:22 am - 6:54 pm
IAD
-
SJC
10h 32m2 stops
$261American Airlines
Sat, Feb 21 - Tue, Feb 24
Delta Logo
6:20 am - 6:56 pm
SJC
-
IAD
9h 36m1 stop
Delta Logo
10:08 am - 7:12 pm
IAD
-
SJC
12h 04m2 stops
$262Delta
Sat, Jan 17 - Tue, Jan 20
Alaska Airlines Logo
5:45 pm - 5:04 pm
SJC
-
IAD
20h 19m1 stop
Alaska Airlines Logo
6:20 pm - 9:47 am
IAD
-
SJC
18h 27m1 stop
$273Alaska Airlines
Sat, Feb 7 - Thu, Feb 12
Delta Logo
10:35 pm - 9:13 am
SJC
-
IAD
7h 38m1 stop
Delta Logo
2:15 pm - 8:24 pm
IAD
-
SJC
9h 09m1 stop
$277Delta
Wed, Mar 4 - Tue, Mar 17
Delta Logo
11:45 am - 11:10 pm
SJC
-
IAD
8h 25m1 stop
Delta Logo
7:00 am - 10:58 am
IAD
-
SJC
30h 58m1 stop
$281Delta
Wed, Mar 4 - Mon, Mar 16
Delta Logo
9:50 am - 11:09 pm
SJC
-
IAD
10h 19m2 stops
Delta Logo
6:01 am - 12:08 pm
IAD
-
SJC
9h 07m1 stop
$282Delta
Wed, Mar 4 - Sun, Mar 8
Delta Logo
6:30 pm - 9:13 am
SJC
-
IAD
11h 43m2 stops
Delta Logo
12:14 pm - 10:02 pm
IAD
-
SJC
12h 48m2 stops
$287Delta
Wed, Mar 4 - Wed, Mar 11
Alaska Airlines Logo
8:05 pm - 5:27 pm
SJC
-
IAD
18h 22m1 stop
Alaska Airlines Logo
7:05 am - 1:42 pm
IAD
-
SJC
9h 37m1 stop
$294Alaska Airlines
Tue, Feb 17 - Mon, Feb 23
Alaska Airlines Logo
7:00 am - 5:27 pm
SJC
-
IAD
7h 27m1 stop
Alaska Airlines Logo
7:05 am - 1:42 pm
IAD
-
SJC
9h 37m1 stop
$296Alaska Airlines
Thu, Mar 5 - Wed, Mar 11
Delta Logo
11:45 am - 11:10 pm
SJC
-
IAD
8h 25m1 stop
Delta Logo
3:35 pm - 9:33 pm
IAD
-
SJC
8h 58m1 stop
$297Delta
Fri, Mar 6 - Tue, Mar 17

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
Jan 17
SJC6:20 amSan Jose
9h 36m
1 stop
IAD6:56 pmWashington, D.C. Dulles Intl
Jan 20
IAD10:08 amWashington, D.C. Dulles Intl
12h 04m
2 stops
SJC7:12 pmSan Jose
$262
Find similar
Delta
Jan 17
SJC5:54 amSan Jose
10h 02m
2 stops
IAD6:56 pmWashington, D.C. Dulles Intl
Jan 24
IAD7:15 amWashington, D.C. Dulles Intl
11h 47m
2 stops
SJC4:02 pmSan Jose
$267
Find similar
Delta
Mar 4
SJC1:57 pmSan Jose
7h 24m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
Mar 11
IAD6:01 amWashington, D.C. Dulles Intl
9h 07m
1 stop
SJC12:08 pmSan Jose
$277
Find similar

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
Feb 7
SJC5:45 pmSan Jose
20h 19m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Feb 12
IAD6:20 pmWashington, D.C. Dulles Intl
18h 27m
1 stop
SJC9:47 amSan Jose
$273
Find similar
Alaska Airlines
Feb 17
SJC8:05 pmSan Jose
18h 22m
1 stop
IAD5:27 pmWashington, D.C. Dulles Intl
Feb 23
IAD7:05 amWashington, D.C. Dulles Intl
9h 37m
1 stop
SJC1:42 pmSan Jose
$294
Find similar
Alaska Airlines
Mar 5
SJC7:00 amSan Jose
7h 27m
1 stop
IAD5:27 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:05 amWashington, D.C. Dulles Intl
9h 37m
1 stop
SJC1:42 pmSan Jose
$296
Find similar

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 December 27, 2025.
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

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 2/21

6:00 am-10:48 pm

2 stops13h 48m

Washington, D.C. Dulles Intl

Tue 2/24

11:22 am-6:54 pm

2 stops10h 32m

$261

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 1/17

6:20 am-6:56 pm

1 stop9h 36m

Washington, D.C. Dulles Intl

Tue 1/20

10:08 am-7:12 pm

2 stops12h 04m

$262

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 2/7

5:45 pm-5:04 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Thu 2/12

6:20 pm-9:47 am

1 stop18h 27m

$273

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 3/4

10:35 pm-9:13 am

1 stop7h 38m

Washington, D.C. Dulles Intl

Tue 3/17

2:15 pm-8:24 pm

1 stop9h 09m

$277

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 3/4

11:45 am-11:10 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Mon 3/16

7:00 am-10:58 am

1 stop30h 58m

$281

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 3/4

9:50 am-11:09 pm

2 stops10h 19m

Washington, D.C. Dulles Intl

Sun 3/8

6:01 am-12:08 pm

1 stop9h 07m

$282

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 3/4

6:30 pm-9:13 am

2 stops11h 43m

Washington, D.C. Dulles Intl

Wed 3/11

12:14 pm-10:02 pm

2 stops12h 48m

$287

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 2/17

8:05 pm-5:27 pm

1 stop18h 22m

Washington, D.C. Dulles Intl

Mon 2/23

7:05 am-1:42 pm

1 stop9h 37m

$294

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 3/5

7:00 am-5:27 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Wed 3/11

7:05 am-1:42 pm

1 stop9h 37m

$296

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 3/6

11:45 am-11:10 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-9:33 pm

1 stop8h 58m

$297

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 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 $320. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $336.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $420. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Jose, California to Washington, D.C. Dulles Intl Airport for around $512.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from San Jose, California at noon is the least expensive time of day to depart. momondo users have found prices as low as $407 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $476 on average. Flights to Washington, D.C. Dulles Intl Airport from San Jose, California in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $399 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 $178 on momondo.

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

There is only 1 cabin class 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 December 2025, prices for San Jose, California to Washington, D.C. Dulles Intl Airport flights are approximately 53% 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

6h 33m

Direct flights

Tue
The fastest flight from San Jose, California to Washington, D.C. Dulles Intl Airport takes 6h 33m
Direct flights go from San Jose, California to Washington, D.C. Dulles Intl Airport on Tuesday. There are no airlines offering direct flights.
Search flight deals

  • 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 6h 33m.

  • 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 $220Free CancellationRating
5.8
3,071 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $264Free CancellationRating
8.0
11,545 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $276Free CancellationRating
8.0
4,257 reviews
Search Southwest flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,019 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
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
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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