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Cheap flights from San Jose, California to Washington, D.C. from $145

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 1/17. 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.
Alaska Airlines Logo
7:00 am - 5:27 pm
SJC
-
IAD
7h 27m1 stop
Alaska Airlines Logo
6:20 pm - 9:49 am
IAD
-
SJC
18h 29m1 stop
$250Alaska Airlines
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
8:40 am - 7:21 pm
SJC
-
IAD
7h 41m1 stop
United Airlines Logo
2:31 pm - 8:56 pm
IAD
-
SJC
9h 25m1 stop
$251United Airlines
Tue, Feb 3 - Wed, Feb 4
American Airlines Logo
6:00 am - 4:31 pm
SJC
-
IAD
7h 31m1 stop
American Airlines Logo
11:34 am - 9:29 pm
IAD
-
SJC
12h 55m2 stops
$256American Airlines
Tue, Feb 3 - Sat, Feb 7
Delta Logo
1:20 pm - 11:48 pm
SJC
-
IAD
7h 28m1 stop
Delta Logo
6:20 am - 12:56 pm
IAD
-
SJC
9h 36m1 stop
$257Delta
Wed, Jan 7 - Wed, Jan 14
American Airlines Logo
6:00 am - 11:12 pm
SJC
-
IAD
14h 12m2 stops
American Airlines Logo
1:08 pm - 9:29 pm
IAD
-
SJC
11h 21m2 stops
$261American Airlines
Wed, Jan 14 - Wed, Jan 21
Delta Logo
1:20 pm - 11:48 pm
SJC
-
IAD
7h 28m1 stop
Delta Logo
12:23 pm - 9:20 pm
IAD
-
SJC
11h 57m2 stops
$262Delta
Wed, Jan 7 - Wed, Jan 21
Delta Logo
9:15 am - 11:37 pm
SJC
-
IAD
11h 22m2 stops
Delta Logo
6:00 am - 1:05 pm
IAD
-
SJC
10h 05m2 stops
$267Delta
Wed, Jan 7 - Wed, Jan 14
Alaska Airlines Logo
8:04 pm - 5:04 pm
SJC
-
IAD
18h 00m1 stop
Alaska Airlines Logo
6:04 pm - 9:48 am
IAD
-
SJC
18h 44m1 stop
$273Alaska Airlines
Sun, Jan 25 - Wed, Jan 28
Southwest Logo
12:10 pm - 9:55 pm
SJC
-
IAD
6h 45m1 stop
Southwest Logo
5:40 pm - 10:30 pm
IAD
-
SJC
7h 50m1 stop
$274Southwest
Wed, Jan 21 - Sun, Jan 25
Delta Logo
11:45 am - 11:10 pm
SJC
-
IAD
8h 25m1 stop
Delta Logo
6:20 am - 12:56 pm
IAD
-
SJC
9h 36m1 stop
$277Delta
Thu, Jan 8 - Wed, Jan 14

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 21
SJC7:00 amSan Jose
7h 27m
1 stop
IAD5:27 pmWashington, D.C. Dulles Intl
Feb 24
IAD6:20 pmWashington, D.C. Dulles Intl
18h 29m
1 stop
SJC9:49 amSan Jose
$250
Find similar
Alaska Airlines
Jan 9
SJC7:00 amSan Jose
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Jan 21
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
$273
Find similar
Alaska Airlines
Jan 7
SJC7:00 amSan Jose
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Jan 12
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
$296
Find similar

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

Our best American Airlines deals on San Jose, California to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 21
SJC6:00 amSan Jose
7h 31m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
Feb 24
IAD6:00 amWashington, D.C. Dulles Intl
10h 19m
1 stop
SJC1:19 pmSan Jose
$251
Find similar
American Airlines
Jan 14
SJC6:00 amSan Jose
14h 12m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
Jan 21
IAD6:00 amWashington, D.C. Dulles Intl
10h 42m
1 stop
SJC1:42 pmSan Jose
$256
Find similar
American Airlines
Jan 14
SJC6:00 amSan Jose
14h 12m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
Jan 21
IAD1:08 pmWashington, D.C. Dulles Intl
11h 21m
2 stops
SJC9:29 pmSan Jose
$261
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 18, 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

7:00 am-5:27 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Tue 2/24

6:20 pm-9:49 am

1 stop18h 29m

$250

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 2/3

8:40 am-7:21 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Wed 2/4

2:31 pm-8:56 pm

1 stop9h 25m

$251

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 2/3

6:00 am-4:31 pm

1 stop7h 31m

Washington, D.C. Dulles Intl

Sat 2/7

11:34 am-9:29 pm

2 stops12h 55m

$256

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/7

1:20 pm-11:48 pm

1 stop7h 28m

Washington, D.C. Dulles Intl

Wed 1/14

6:20 am-12:56 pm

1 stop9h 36m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/14

6:00 am-11:12 pm

2 stops14h 12m

Washington, D.C. Dulles Intl

Wed 1/21

1:08 pm-9:29 pm

2 stops11h 21m

$261

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/7

1:20 pm-11:48 pm

1 stop7h 28m

Washington, D.C. Dulles Intl

Wed 1/21

12:23 pm-9:20 pm

2 stops11h 57m

$262

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/7

9:15 am-11:37 pm

2 stops11h 22m

Washington, D.C. Dulles Intl

Wed 1/14

6:00 am-1:05 pm

2 stops10h 05m

$267

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sun 1/25

8:04 pm-5:04 pm

1 stop18h 00m

Washington, D.C. Dulles Intl

Wed 1/28

6:04 pm-9:48 am

1 stop18h 44m

$273

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/21

12:10 pm-9:55 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Sun 1/25

5:40 pm-10:30 pm

1 stop7h 50m

$274

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 1/8

11:45 am-11:10 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Wed 1/14

6:20 am-12:56 pm

1 stop9h 36m

$277

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, 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.

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.

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
3,081 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $264Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $276Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,006 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
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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