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Cheap flights from San Jose, California to Washington, D.C. from $139

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 3/6. 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.
Hawaiian Airlines Logo
7:00 am - 5:25 pmSJC-IAD
7h 25m1 stop
Hawaiian Airlines Logo
7:00 am - 2:10 pmIAD-SJC
10h 10m1 stop
$250Hawaiian Airlines
Find Deal
Tue, Feb 24 - Wed, Feb 25
Southwest Logo
6:35 am - 5:05 pmSJC-IAD
7h 30m1 stop
Southwest Logo
7:40 am - 2:45 pmIAD-SJC
10h 05m1 stop
$251Southwest
Find Deal
Wed, Dec 3 - Wed, Dec 10
Southwest Logo
7:00 am - 10:00 pmSJC-IAD
12h 00m2 stops
Southwest Logo
7:40 am - 2:45 pmIAD-SJC
10h 05m1 stop
$256Southwest
Find Deal
Wed, Dec 3 - Wed, Dec 10
Delta Logo
1:35 pm - 11:29 pmSJC-IAD
6h 54m1 stop
Delta Logo
3:00 pm - 8:36 pmIAD-SJC
8h 36m1 stop
$257Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Southwest Logo
9:55 am - 9:55 pmSJC-IAD
9h 00m2 stops
Southwest Logo
5:05 am - 2:10 pmIAD-SJC
12h 05m2 stops
$261Southwest
Find Deal
Wed, Feb 18 - Sat, Feb 28
Delta Logo
9:17 am - 12:24 amSJC-IAD
12h 07m2 stops
Delta Logo
2:15 pm - 8:53 pmIAD-SJC
9h 38m1 stop
$262Delta
Find Deal
Tue, Feb 24 - Wed, Feb 25
Delta Logo
9:17 am - 12:24 amSJC-IAD
12h 07m2 stops
Delta Logo
7:15 am - 2:56 pmIAD-SJC
10h 41m2 stops
$267Delta
Find Deal
Tue, Feb 24 - Wed, Feb 25
Alaska Airlines Logo
7:00 am - 5:04 pmSJC-IAD
7h 04m1 stop
Alaska Airlines Logo
5:26 pm - 10:35 pmIAD-SJC
8h 09m1 stop
$271Alaska Airlines
Find Deal
Wed, Jan 21 - Mon, Jan 26
Alaska Airlines Logo
7:54 pm - 5:04 pmSJC-IAD
18h 10m1 stop
Alaska Airlines Logo
5:26 pm - 10:35 pmIAD-SJC
8h 09m1 stop
$273Alaska Airlines
Find Deal
Sat, Jan 10 - Thu, Jan 15
American Airlines Logo
7:16 pm - 10:20 amSJC-IAD
12h 04m2 stops
American Airlines Logo
7:55 am - 8:36 pmIAD-SJC
15h 41m2 stops
$284American Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 9

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
Dec 3
SJC6:35 amSan Jose
7h 30m
1 stop
IAD5:05 pmWashington, D.C. Dulles Intl
Dec 10
IAD7:40 amWashington, D.C. Dulles Intl
10h 05m
1 stop
SJC2:45 pmSan Jose
$251
Find similar
Southwest
Dec 3
SJC7:00 amSan Jose
12h 00m
2 stops
IAD10:00 pmWashington, D.C. Dulles Intl
Dec 10
IAD7:40 amWashington, D.C. Dulles Intl
10h 05m
1 stop
SJC2:45 pmSan Jose
$256
Find similar
Southwest
Feb 18
SJC9:55 amSan Jose
9h 00m
2 stops
IAD9:55 pmWashington, D.C. Dulles Intl
Feb 28
IAD5:05 amWashington, D.C. Dulles Intl
12h 05m
2 stops
SJC2:10 pmSan Jose
$261
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
Jan 21
SJC7:00 amSan Jose
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Jan 26
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
$271
Find similar
Alaska Airlines
Jan 10
SJC7:54 pmSan Jose
18h 10m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Jan 15
IAD5:26 pmWashington, D.C. Dulles Intl
8h 09m
1 stop
SJC10:35 pmSan Jose
$273
Find similar
Alaska Airlines
Mar 5
SJC7:00 amSan Jose
7h 25m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
Mar 10
IAD7:00 amWashington, D.C. Dulles Intl
10h 10m
1 stop
SJC2:10 pmSan Jose
$276
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 5, 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

Tue 2/24

7:00 am-5:25 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Wed 2/25

7:00 am-2:10 pm

1 stop10h 10m

$250

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 12/3

6:35 am-5:05 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Wed 12/10

7:40 am-2:45 pm

1 stop10h 05m

$251

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 12/3

7:00 am-10:00 pm

2 stops12h 00m

Washington, D.C. Dulles Intl

Wed 12/10

7:40 am-2:45 pm

1 stop10h 05m

$256

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 12/6

1:35 pm-11:29 pm

1 stop6h 54m

Washington, D.C. Dulles Intl

Sat 12/13

3:00 pm-8:36 pm

1 stop8h 36m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 2/18

9:55 am-9:55 pm

2 stops9h 00m

Washington, D.C. Dulles Intl

Sat 2/28

5:05 am-2:10 pm

2 stops12h 05m

$261

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 2/24

9:17 am-12:24 am

2 stops12h 07m

Washington, D.C. Dulles Intl

Wed 2/25

2:15 pm-8:53 pm

1 stop9h 38m

$262

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 2/24

9:17 am-12:24 am

2 stops12h 07m

Washington, D.C. Dulles Intl

Wed 2/25

7:15 am-2:56 pm

2 stops10h 41m

$267

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/21

7:00 am-5:04 pm

1 stop7h 04m

Washington, D.C. Dulles Intl

Mon 1/26

5:26 pm-10:35 pm

1 stop8h 09m

$271

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 1/10

7:54 pm-5:04 pm

1 stop18h 10m

Washington, D.C. Dulles Intl

Thu 1/15

5:26 pm-10:35 pm

1 stop8h 09m

$273

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sun 12/7

7:16 pm-10:20 am

2 stops12h 04m

Washington, D.C. Dulles Intl

Tue 12/9

7:55 am-8:36 pm

2 stops15h 41m

$284

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 $332. 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 $406 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 8% 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 40m.

  • 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
3,115 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $264Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,000 reviews
Search United Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,239 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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