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Cheap flights from San Jose, California to Washington, D.C. from $147

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 12/11. 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.
Southwest Logo
12:10 pm - 9:55 pmSJC-IAD
6h 45m1 stop
Southwest Logo
3:45 pm - 8:30 pmIAD-SJC
7h 45m1 stop
$251Southwest
Find Deal
Wed, Jan 7 - Sat, Jan 10
American Airlines Logo
11:13 am - 10:28 pmSJC-IAD
8h 15m1 stop
American Airlines Logo
6:00 am - 6:32 pmIAD-SJC
15h 32m2 stops
$256American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
6:35 am - 6:21 pmSJC-IAD
8h 46m1 stop
Delta Logo
5:59 pm - 10:55 pmIAD-SJC
7h 56m1 stop
$257Delta
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
6:35 am - 6:21 pmSJC-IAD
8h 46m1 stop
Delta Logo
12:30 pm - 8:41 pmIAD-SJC
11h 11m1 stop
$260Delta
Find Deal
Wed, Dec 10 - Thu, Dec 11
American Airlines Logo
6:10 am - 7:31 pmSJC-IAD
10h 21m2 stops
American Airlines Logo
6:00 am - 6:32 pmIAD-SJC
15h 32m2 stops
$261American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
1:35 pm - 11:29 pmSJC-IAD
6h 54m1 stop
Delta Logo
6:55 am - 2:57 pmIAD-SJC
11h 02m2 stops
$262Delta
Find Deal
Tue, Dec 2 - Sat, Dec 6
Delta Logo
11:40 am - 11:10 pmSJC-IAD
8h 30m1 stop
Delta Logo
7:30 am - 1:34 pmIAD-SJC
9h 04m1 stop
$263Delta
Find Deal
Mon, Jan 12 - Thu, Jan 15
Delta Logo
7:00 am - 12:12 amSJC-IAD
14h 12m2 stops
Delta Logo
7:15 am - 3:54 pmIAD-SJC
11h 39m1 stop
$265Delta
Find Deal
Wed, Dec 10 - Thu, Dec 11
Delta Logo
9:04 am - 12:12 amSJC-IAD
12h 08m2 stops
Delta Logo
6:55 am - 5:20 pmIAD-SJC
13h 25m2 stops
$267Delta
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Tue, Dec 9 - Sat, Dec 13
Delta Logo
1:30 pm - 11:48 pmSJC-IAD
7h 18m1 stop
Delta Logo
6:00 am - 2:52 pmIAD-SJC
11h 52m2 stops
$268Delta
Find Deal
Thu, Jan 8 - Thu, Jan 15

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
Dec 11
SJC7:00 amSan Jose
7h 30m
1 stop
IAD5:30 pmWashington, D.C. Dulles Intl
Dec 15
IAD5:37 pmWashington, D.C. Dulles Intl
8h 05m
1 stop
SJC10:42 pmSan Jose
$296
Find similar
Alaska Airlines
Feb 25
SJC7:00 amSan Jose
7h 27m
1 stop
IAD5:27 pmWashington, D.C. Dulles Intl
Mar 4
IAD7:05 amWashington, D.C. Dulles Intl
9h 37m
1 stop
SJC1:42 pmSan Jose
$306
Find similar
Alaska Airlines
Jan 20
SJC3:36 pmSan Jose
21h 50m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 25
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
$310
Find similar

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
Dec 9
SJC10:25 pmSan Jose
7h 46m
1 stop
IAD9:11 amWashington, D.C. Dulles Intl
Dec 13
IAD3:00 pmWashington, D.C. Dulles Intl
8h 36m
1 stop
SJC8:36 pmSan Jose
$257
Find similar
Delta
Dec 10
SJC6:35 amSan Jose
8h 46m
1 stop
IAD6:21 pmWashington, D.C. Dulles Intl
Dec 11
IAD12:30 pmWashington, D.C. Dulles Intl
11h 11m
1 stop
SJC8:41 pmSan Jose
$260
Find similar
Delta
Dec 9
SJC9:04 amSan Jose
12h 08m
2 stops
IAD12:12 amWashington, D.C. Dulles Intl
Dec 13
IAD5:59 pmWashington, D.C. Dulles Intl
7h 56m
1 stop
SJC10:55 pmSan Jose
$262
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 November 20, 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

Wed 1/7

12:10 pm-9:55 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Sat 1/10

3:45 pm-8:30 pm

1 stop7h 45m

$251

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 12/6

11:13 am-10:28 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Sat 12/13

6:00 am-6:32 pm

2 stops15h 32m

$256

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 12/6

6:35 am-6:21 pm

1 stop8h 46m

Washington, D.C. Dulles Intl

Wed 12/10

5:59 pm-10:55 pm

1 stop7h 56m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 12/10

6:35 am-6:21 pm

1 stop8h 46m

Washington, D.C. Dulles Intl

Thu 12/11

12:30 pm-8:41 pm

1 stop11h 11m

$260

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 12/6

6:10 am-7:31 pm

2 stops10h 21m

Washington, D.C. Dulles Intl

Sat 12/13

6:00 am-6:32 pm

2 stops15h 32m

$261

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 12/2

1:35 pm-11:29 pm

1 stop6h 54m

Washington, D.C. Dulles Intl

Sat 12/6

6:55 am-2:57 pm

2 stops11h 02m

$262

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 1/12

11:40 am-11:10 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Thu 1/15

7:30 am-1:34 pm

1 stop9h 04m

$263

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 12/10

7:00 am-12:12 am

2 stops14h 12m

Washington, D.C. Dulles Intl

Thu 12/11

7:15 am-3:54 pm

1 stop11h 39m

$265

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 12/9

9:04 am-12:12 am

2 stops12h 08m

Washington, D.C. Dulles Intl

Sat 12/13

6:55 am-5:20 pm

2 stops13h 25m

$267

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 1/8

1:30 pm-11:48 pm

1 stop7h 18m

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-2:52 pm

2 stops11h 52m

$268

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 $329. 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.

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 $416 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 $276 on momondo.

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

As of November 2025, prices for San Jose, California to Washington, D.C. Dulles Intl Airport flights are approximately 9% 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

4h 52m

Direct flights

Tue
The fastest flight from San Jose, California to Washington, D.C. Dulles Intl Airport takes 4h 52m
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 45m.

  • 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
3,106 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $264Free CancellationRating
8.0
11,321 reviews
Search Alaska Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,249 reviews
Search Southwest 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie

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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