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Cheap flights from San Jose, California to Washington, D.C. from $148

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 8/30. 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
2:12 pm - 8:20 am
SJC
-
IAD
15h 08m
1 stop
Frontier Logo
8:59 am - 1:22 pm
IAD
-
SJC
7h 23m
1 stop
$299Frontier
Sat, Aug 15 - Fri, Aug 21
United Airlines Logo
6:37 pm - 5:25 am
SJC
-
IAD
7h 48m
1 stop
United Airlines Logo
5:15 pm - 10:50 pm
IAD
-
SJC
8h 35m
1 stop
$300United Airlines
Mon, Aug 24 - Sun, Sep 6
United Airlines Logo
6:37 pm - 5:25 am
SJC
-
IAD
7h 48m
1 stop
United Airlines Logo
12:50 pm - 5:31 pm
IAD
-
SJC
7h 41m
1 stop
$300United Airlines
Wed, Aug 26 - Fri, Aug 28
United Airlines Logo
6:37 pm - 5:25 am
SJC
-
IAD
7h 48m
1 stop
United Airlines Logo
6:30 am - 1:08 pm
IAD
-
SJC
9h 38m
1 stop
$300United Airlines
Mon, Aug 24 - Thu, Aug 27
Frontier Logo
1:38 pm - 6:20 am
SJC
-
IAD
13h 42m
1 stop
Frontier Logo
7:50 am - 7:53 pm
IAD
-
SJC
15h 03m
2 stops
$302Frontier
Thu, Sep 24 - Thu, Oct 1
Frontier Logo
2:17 pm - 8:04 am
SJC
-
IAD
14h 47m
1 stop
Frontier Logo
12:30 pm - 12:43 pm
IAD
-
SJC
27h 13m
2 stops
$302Frontier
Mon, Aug 24 - Thu, Oct 1
Delta Logo
10:20 pm - 10:04 am
SJC
-
IAD
8h 44m
1 stop
Delta Logo
6:00 am - 11:22 am
IAD
-
SJC
8h 22m
1 stop
$305Delta
Fri, Aug 21 - Sun, Aug 23
Delta Logo
7:31 am - 8:03 pm
SJC
-
IAD
9h 32m
1 stop
Delta Logo
7:00 am - 2:13 pm
IAD
-
SJC
10h 13m
1 stop
$305Delta
Sun, Nov 1 - Wed, Nov 11
Alaska Airlines Logo
6:33 am - 5:50 pm
SJC
-
IAD
8h 17m
1 stop
Alaska Airlines Logo
7:24 pm - 9:54 am
IAD
-
SJC
17h 30m
1 stop
$305Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
6:33 am - 5:50 pm
SJC
-
IAD
8h 17m
1 stop
Alaska Airlines Logo
7:24 pm - 9:54 am
IAD
-
SJC
17h 30m
1 stop
$305Alaska Airlines
Sat, Oct 10 - Wed, Oct 14

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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
Sep 9
SJC7:29 amSan Jose
7h 45m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Sep 16
IAD7:00 amWashington, D.C. Dulles Intl
9h 17m
1 stop
SJC1:17 pmSan Jose
$333
Alaska Airlines
Aug 28
SJC7:29 amSan Jose
7h 45m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Sep 4
IAD7:35 pmWashington, D.C. Dulles Intl
16h 48m
1 stop
SJC9:23 amSan Jose
$345
Alaska Airlines
Oct 15
SJC3:51 pmSan Jose
22h 59m
1 stop
IAD5:50 pmWashington, D.C. Dulles Intl
Oct 18
IAD7:24 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
SJC9:54 amSan Jose
$347

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
Aug 25
SJC6:10 amSan Jose
8h 59m
1 stop
IAD6:09 pmWashington, D.C. Dulles Intl
Sep 30
IAD6:10 amWashington, D.C. Dulles Intl
9h 17m
1 stop
SJC12:27 pmSan Jose
$305
Delta
Aug 12
SJC12:40 pmSan Jose
8h 54m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
Aug 25
IAD6:00 amWashington, D.C. Dulles Intl
9h 27m
1 stop
SJC12:27 pmSan Jose
$310
Delta
Aug 12
SJC12:40 pmSan Jose
8h 54m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
Aug 16
IAD7:00 amWashington, D.C. Dulles Intl
8h 54m
1 stop
SJC12:54 pmSan Jose
$315

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 August 2, 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

Sat 8/15

2:12 pm-8:20 am

1 stop15h 08m

Washington, D.C. Dulles Intl

Fri 8/21

8:59 am-1:22 pm

1 stop7h 23m

$299

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 8/24

6:37 pm-5:25 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Sun 9/6

5:15 pm-10:50 pm

1 stop8h 35m

$300
Quickest round-trip

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 8/26

6:37 pm-5:25 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Fri 8/28

12:50 pm-5:31 pm

1 stop7h 41m

$300

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 8/24

6:37 pm-5:25 am

1 stop7h 48m

Washington, D.C. Dulles Intl

Thu 8/27

6:30 am-1:08 pm

1 stop9h 38m

$300

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 9/24

1:38 pm-6:20 am

1 stop13h 42m

Washington, D.C. Dulles Intl

Thu 10/1

7:50 am-7:53 pm

2 stops15h 03m

$302

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 8/24

2:17 pm-8:04 am

1 stop14h 47m

Washington, D.C. Dulles Intl

Thu 10/1

12:30 pm-12:43 pm

2 stops27h 13m

$302

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 8/21

10:20 pm-10:04 am

1 stop8h 44m

Washington, D.C. Dulles Intl

Sun 8/23

6:00 am-11:22 am

1 stop8h 22m

$305

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sun 11/1

7:31 am-8:03 pm

1 stop9h 32m

Washington, D.C. Dulles Intl

Wed 11/11

7:00 am-2:13 pm

1 stop10h 13m

$305

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 10/20

6:33 am-5:50 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sat 10/24

7:24 pm-9:54 am

1 stop17h 30m

$305

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 10/10

6:33 am-5:50 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Wed 10/14

7:24 pm-9:54 am

1 stop17h 30m

$305

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $294 to $538.
The lowest price recently found on this route was $299.

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, May 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 $356. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $367.

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

As of August 2026, prices for San Jose, California to Washington, D.C. Dulles Intl Airport flights are approximately 19% 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 17m

Direct flights

None
The fastest flight from San Jose, California to Washington, D.C. Dulles Intl Airport takes 7h 17m
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 17m.

  • 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
12,749 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $252Free CancellationRating
8.0
4,230 reviews
Search Southwest flights
United AirlinesPriceFrom $274Free CancellationRating
7.4
10,061 reviews
Search United Airlines flights
DeltaPriceFrom $274Free CancellationRating
7.8
8,493 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Sterling
Springfield
Fairfax
Tysons
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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