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Cheap flights from San Jose, California to Washington, D.C. from $143

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 8/20. 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

Discover deals from 900+ travel sites with momondo.

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.
Frontier Logo
2:17 pm - 8:04 am
SJC
-
IAD
14h 47m
1 stop
Frontier Logo
8:59 am - 1:22 pm
IAD
-
SJC
31h 23m
1 stop
$281Frontier
Fri, Aug 28 - Sun, Aug 30
Multiple Airlines Logo
2:12 pm - 8:20 am
SJC
-
IAD
15h 08m
1 stop
Multiple Airlines Logo
7:53 pm - 9:26 am
IAD
-
SJC
16h 33m
1 stop
$284Multiple Airlines
Fri, Aug 7 - Tue, Aug 11
Multiple Airlines Logo
2:12 pm - 8:20 am
SJC
-
IAD
15h 08m
1 stop
Multiple Airlines Logo
7:53 pm - 9:26 am
IAD
-
SJC
16h 33m
1 stop
$287Multiple Airlines
Mon, Jul 27 - Mon, Aug 3
Multiple Airlines Logo
2:12 pm - 8:20 am
SJC
-
IAD
15h 08m
1 stop
Multiple Airlines Logo
7:53 pm - 9:26 am
IAD
-
SJC
16h 33m
1 stop
$289Multiple Airlines
Thu, Jul 16 - Tue, Jul 28
United Airlines Logo
6:37 pm - 5:25 am
SJC
-
IAD
7h 48m
1 stop
United Airlines Logo
3:40 pm - 10:50 pm
IAD
-
SJC
10h 10m
1 stop
$290United Airlines
Fri, Aug 14 - Sat, Aug 15
Frontier Logo
2:12 pm - 8:20 am
SJC
-
IAD
15h 08m
1 stop
Frontier Logo
9:30 am - 7:28 pm
IAD
-
SJC
12h 58m
2 stops
$292Frontier
Sat, Aug 1 - Sat, Aug 8
Delta Logo
10:40 pm - 9:10 am
SJC
-
IAD
7h 30m
1 stop
Delta Logo
3:15 pm - 9:22 pm
IAD
-
SJC
9h 07m
1 stop
$295Delta
Mon, Sep 14 - Mon, Oct 5
Multiple Airlines Logo
2:12 pm - 8:20 am
SJC
-
IAD
15h 08m
1 stop
Multiple Airlines Logo
7:53 pm - 9:26 am
IAD
-
SJC
16h 33m
1 stop
$296Multiple Airlines
Thu, Jul 16 - Mon, Jul 20
Frontier Logo
2:17 pm - 8:04 am
SJC
-
IAD
14h 47m
1 stop
Frontier Logo
8:59 am - 7:19 pm
IAD
-
SJC
13h 20m
2 stops
$298Frontier
Fri, Aug 21 - Mon, Aug 24
Frontier Logo
1:02 pm - 8:04 am
SJC
-
IAD
16h 02m
1 stop
Frontier Logo
8:59 am - 7:19 pm
IAD
-
SJC
13h 20m
2 stops
$304Frontier
Thu, Aug 27 - Mon, Aug 31

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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 14
SJC10:40 pmSan Jose
7h 30m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Oct 5
IAD3:15 pmWashington, D.C. Dulles Intl
9h 07m
1 stop
SJC9:22 pmSan Jose
$295
Delta
Aug 17
SJC10:20 pmSan Jose
8h 00m
1 stop
IAD9:20 amWashington, D.C. Dulles Intl
Aug 23
IAD7:00 amWashington, D.C. Dulles Intl
8h 54m
1 stop
SJC12:54 pmSan Jose
$317
Delta
Aug 11
SJC6:10 amSan Jose
8h 59m
1 stop
IAD6:09 pmWashington, D.C. Dulles Intl
Aug 16
IAD6:00 amWashington, D.C. Dulles Intl
9h 09m
1 stop
SJC12:09 pmSan Jose
$337

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
Jul 8
SJC5:02 pmSan Jose
22h 43m
1 stop
IAD6:45 pmWashington, D.C. Dulles Intl
Jul 15
IAD7:53 pmWashington, D.C. Dulles Intl
16h 33m
1 stop
SJC9:26 amSan Jose
$305
Alaska Airlines
Oct 3
SJC6:31 amSan Jose
8h 22m
1 stop
IAD5:53 pmWashington, D.C. Dulles Intl
Oct 6
IAD9:35 amWashington, D.C. Dulles Intl
11h 25m
1 stop
SJC6:00 pmSan Jose
$325
Alaska Airlines
Aug 11
SJC7:13 amSan Jose
8h 32m
1 stop
IAD6:45 pmWashington, D.C. Dulles Intl
Aug 15
IAD8:00 pmWashington, D.C. Dulles Intl
16h 26m
1 stop
SJC9:26 amSan Jose
$332

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 July 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

Fri 8/28

2:17 pm-8:04 am

1 stop14h 47m

Washington, D.C. Dulles Intl

Sun 8/30

8:59 am-1:22 pm

1 stop31h 23m

$281

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 8/7

2:12 pm-8:20 am

1 stop15h 08m

Washington, D.C. Dulles Intl

Tue 8/11

7:53 pm-9:26 am

1 stop16h 33m

$284

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 7/27

2:12 pm-8:20 am

1 stop15h 08m

Washington, D.C. Dulles Intl

Mon 8/3

7:53 pm-9:26 am

1 stop16h 33m

$287

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 7/16

2:12 pm-8:20 am

1 stop15h 08m

Washington, D.C. Dulles Intl

Tue 7/28

7:53 pm-9:26 am

1 stop16h 33m

$289

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 8/14

6:37 pm-5:25 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Sat 8/15

3:40 pm-10:50 pm

1 stop10h 10m

$290

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 8/1

2:12 pm-8:20 am

1 stop15h 08m

Washington, D.C. Dulles Intl

Sat 8/8

9:30 am-7:28 pm

2 stops12h 58m

$292
Quickest round-trip

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 9/14

10:40 pm-9:10 am

1 stop7h 30m

Washington, D.C. Dulles Intl

Mon 10/5

3:15 pm-9:22 pm

1 stop9h 07m

$295

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 7/16

2:12 pm-8:20 am

1 stop15h 08m

Washington, D.C. Dulles Intl

Mon 7/20

7:53 pm-9:26 am

1 stop16h 33m

$296

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 8/21

2:17 pm-8:04 am

1 stop14h 47m

Washington, D.C. Dulles Intl

Mon 8/24

8:59 am-7:19 pm

2 stops13h 20m

$298

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 8/27

1:02 pm-8:04 am

1 stop16h 02m

Washington, D.C. Dulles Intl

Mon 8/31

8:59 am-7:19 pm

2 stops13h 20m

$304

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 $337. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $356.

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

As of July 2026, prices for San Jose, California to Washington, D.C. Dulles Intl Airport flights are approximately 16% cheaper 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 25m

Direct flights

None
The fastest flight from San Jose, California to Washington, D.C. Dulles Intl Airport takes 7h 25m
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 25m.

  • 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
12,621 reviews
Search Alaska Airlines flights
DeltaPriceFrom $274Free CancellationRating
7.8
8,451 reviews
Search Delta flights
SouthwestPriceFrom $276Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,932 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

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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