What are the cheapest airlines to fly from San Jose, California to Washington, D.C. Dulles Intl Airport one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $98. Alaska Airlines flights start at $109 while deals on Southwest start at $125 one-way.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from San Jose, California to Washington, D.C. Dulles Intl Airport?

Consider Southwest, Delta or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from San Jose, California to Washington, D.C. Dulles Intl Airport.

Most accurate provider : When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from San Jose to Washington, D.C. Dulles Intl?

San Jose (SJC), located 2.9 mi from the city center, is the airport you fly out of when you book flights from San Jose to Washington, D.C. Dulles Intl. 5 airlines have flights from San Jose to Washington, D.C. Dulles Intl on a regular basis. Booking flights from San Jose to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

Can I find deals for flights from San Jose to Dulles Intl that include hotel bookings?

Yes. In addition to deals on San Jose to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Jose to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Dulles Intl.

Can I find deals for business class flights from San Jose to Dulles Intl?

Yes. Cheapflights offers flight deals from San Jose to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$145+ Flights from San Jose, CA to Washington, D.C. Dulles Intl Airport

Q: How much does it cost to fly round-trip from San Jose, California to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. San Jose, California to Washington, D.C. Dulles Intl Airport flights typically cost between $423 and $674 in February. The cheapest round-trip price found within the last 3 days was $250 on Alaska Airlines (Feb 21-Feb 24).

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Find cheap flights from San Jose to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from San Jose to Washington, D.C. Dulles Intl are usually found in April or September, booked 15 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from San Jose to Dulles Intl

Cheapest flights from San Jose to Dulles Intl
Explore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Wed 12/319:00 amSJC - IAD

1 stop9h 25mUnited Airlines

Sat 1/102:24 pmIAD - SJC

1 stop9h 32mUnited Airlines

Deal found 12/17

$338

Wed 12/315:40 pmSJC - IAD

2 stops13h 09mDelta

Sat 1/107:05 amIAD - SJC

1 stop8h 19mDelta

Deal found 12/17

$349

Wed 12/241:45 pmSJC - IAD

1 stop6h 33mDelta

Wed 1/77:05 amIAD - SJC

1 stop8h 21mDelta

Deal found 12/17

$399

Wed 12/249:00 amSJC - IAD

1 stop9h 25mUnited Airlines

Mon 1/52:24 pmIAD - SJC

1 stop9h 52mUnited Airlines

Deal found 12/16

$424

Thu 12/259:00 amSJC - IAD

1 stop6h 50mUnited Airlines

Thu 1/14:00 pmIAD - SJC

1 stop8h 16mUnited Airlines

Deal found 12/16

$433

Mon 12/298:20 pmSJC - IAD

1 stop13h 45mSouthwest

Mon 1/55:50 pmIAD - SJC

1 stop8h 05mSouthwest

Deal found 12/16

$452

Wed 12/2412:25 pmSJC - IAD

1 stop6h 45mSouthwest

Mon 1/51:50 pmIAD - SJC

2 stops9h 25mSouthwest

Deal found 12/16

$473

Wed 12/241:45 pmSJC - IAD

1 stop6h 33mDelta

Thu 12/257:05 amIAD - SJC

1 stop8h 36mDelta

Deal found 12/16

$479

Thu 12/259:00 amSJC - IAD

1 stop9h 25mUnited Airlines

Wed 1/710:20 pmIAD - SJC

2 stops18h 19mUnited Airlines

Deal found 12/17

$481

Wed 12/241:45 pmSJC - IAD

1 stop6h 33mDelta

Tue 1/67:30 amIAD - SJC

1 stop9h 00mDelta

Deal found 12/17

$486

Best flights from San Jose to Dulles Intl
Discover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sat 2/216:30 amSJC - IAD

2 stops13h 39mDelta

Tue 2/247:15 amIAD - SJC

2 stops13h 18mDelta

Deal found 12/17

$267

Wed 1/1412:10 pmSJC - IAD

1 stop6h 45mSouthwest

Mon 1/195:30 amIAD - SJC

1 stop7h 50mSouthwest

Deal found 12/17

$314

Wed 1/79:15 amSJC - IAD

2 stops11h 22mDelta

Wed 1/146:00 amIAD - SJC

2 stops10h 05mDelta

Deal found 12/16

$267

Tue 1/67:45 amSJC - IAD

1 stop12h 25mDelta

Wed 1/146:20 amIAD - SJC

1 stop9h 36mDelta

Deal found 12/16

$281

Thu 1/89:15 amSJC - IAD

2 stops10h 51mDelta

Wed 1/147:30 amIAD - SJC

1 stop9h 04mDelta

Deal found 12/16

$282

Fri 1/99:15 amSJC - IAD

2 stops10h 51mDelta

Wed 1/147:05 amIAD - SJC

1 stop8h 21mDelta

Deal found 12/16

$282

Thu 1/89:15 amSJC - IAD

2 stops11h 33mDelta

Sat 1/106:20 amIAD - SJC

2 stops11h 47mDelta

Deal found 12/17

$287

Wed 1/710:45 pmSJC - IAD

1 stop9h 10mDelta

Sun 1/117:30 amIAD - SJC

1 stop9h 00mDelta

Deal found 12/17

$308

Sun 2/82:06 pmSJC - IAD

1 stop7h 18mDelta

Wed 2/1112:23 pmIAD - SJC

2 stops11h 57mDelta

Deal found 12/17

$313

Last-minute flights from San Jose to Dulles Intl
Discover last-minute flight deals from San Jose to Dulles Intl. Data last updated December 18, 2025 and is based on user searches.

Tue 1/67:45 amSJC - IAD

1 stop12h 25mDelta

Wed 1/146:20 amIAD - SJC

1 stop9h 36mDelta

Deal found 12/16

$281

Wed 1/71:20 pmSJC - IAD

1 stop7h 28mDelta

Wed 1/146:20 amIAD - SJC

1 stop9h 36mDelta

Deal found 12/16

$257

Wed 1/79:15 amSJC - IAD

2 stops11h 42mDelta

Sat 1/106:20 amIAD - SJC

2 stops13h 00mDelta

Deal found 12/17

$267

Thu 1/811:45 amSJC - IAD

1 stop8h 25mDelta

Wed 1/217:15 amIAD - SJC

1 stop8h 41mDelta

Deal found 12/16

$277

Thu 1/89:15 amSJC - IAD

2 stops11h 42mDelta

Sat 1/107:30 amIAD - SJC

1 stop9h 09mDelta

Deal found 12/17

$282

Fri 1/97:00 amSJC - IAD

1 stop7h 04mAlaska Airlines

Wed 1/215:26 pmIAD - SJC

1 stop8h 09mAlaska Airlines

Deal found 12/16

$273

Sat 1/107:00 amSJC - IAD

1 stop7h 04mAlaska Airlines

Wed 1/215:26 pmIAD - SJC

1 stop8h 09mAlaska Airlines

Deal found 12/16

$250

Wed 1/146:00 amSJC - IAD

2 stops14h 12mAmerican Airlines

Wed 1/216:00 amIAD - SJC

1 stop10h 42mAmerican Airlines

Deal found 12/16

$256

Sun 1/2512:15 pmSJC - IAD

1 stop7h 25mSouthwest

Wed 1/289:05 amIAD - SJC

2 stops12h 20mSouthwest

Deal found 12/17

$279

Tue 1/276:00 amSJC - IAD

1 stop7h 31mAmerican Airlines

Sun 2/16:00 amIAD - SJC

1 stop10h 42mAmerican Airlines

Deal found 12/16

$274

One-way flights from San Jose to Dulles Intl
Search for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 1/176:00 amSJC - IAD

2 stops14h 42mAmerican Airlines

Deal found 12/16

$145

Fri 1/97:00 amSJC - IAD

1 stop7h 04mAlaska Airlines

Deal found 12/17

$148

Thu 1/811:45 amSJC - IAD

1 stop8h 25mDelta

Deal found 12/16

$149

Sun 1/1112:46 pmSJC - IAD

1 stop25h 18mAlaska Airlines

Deal found 12/17

$154

Tue 1/66:00 amSJC - IAD

2 stops14h 12mAmerican Airlines

Deal found 12/16

$160

Sun 2/16:00 amSJC - IAD

2 stops14h 12mAmerican Airlines

Deal found 12/16

$162

Thu 1/89:55 amSJC - IAD

2 stops10h 17mAmerican Airlines

Deal found 12/16

$165

Sat 2/1412:20 pmSJC - IAD

1 stop6h 25mSouthwest

Deal found 12/16

$166

Mon 2/1612:20 pmSJC - IAD

1 stop7h 50mSouthwest

Deal found 12/16

$169

Tue 1/611:40 amSJC - IAD

1 stop8h 30mDelta

Deal found 12/16

$170

Thu 1/87:31 pmSJC - IAD

3 stops36h 57mMultiple Airlines

Deal found 12/17

$171

Sat 3/79:45 amSJC - IAD

2 stops11h 40mSouthwest

Deal found 12/16

$174

Find flight deals from San Jose to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$250 (Alaska Airlines)
One-way from	$145 (American Airlines)
Popular in	December
Cheapest in	April
Average price	$652

Provider with most accurate pricing for San Jose-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Jose-Washington, D.C. Dulles Intl flights.

Search Deals

From San Jose to Washington, D.C. Dulles Intl

Search Deals

One-way flight from San Jose to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose 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

6:30 am-11:09 pm

2 stops13h 39m

Washington, D.C. Dulles Intl

Tue 2/24

7:15 am-5:33 pm

2 stops13h 18m

$267

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

Tue 1/6

7:45 am-11:10 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Wed 1/14

6:20 am-12:56 pm

1 stop9h 36m

$281

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 1/8

9:15 am-11:06 pm

2 stops10h 51m

Washington, D.C. Dulles Intl

Wed 1/14

7:30 am-1:34 pm

1 stop9h 04m

$282

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Fri 1/9

9:15 am-11:06 pm

2 stops10h 51m

Washington, D.C. Dulles Intl

Wed 1/14

7:05 am-12:26 pm

1 stop8h 21m

$282

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 1/8

9:15 am-11:48 pm

2 stops11h 33m

Washington, D.C. Dulles Intl

Sat 1/10

6:20 am-3:07 pm

2 stops11h 47m

$287

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/7

10:45 pm-10:55 am

1 stop9h 10m

Washington, D.C. Dulles Intl

Sun 1/11

7:30 am-1:30 pm

1 stop9h 00m

$308

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sun 2/8

2:06 pm-12:24 am

1 stop7h 18m

Washington, D.C. Dulles Intl

Wed 2/11

12:23 pm-9:20 pm

2 stops11h 57m

$313

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 1/14

12:10 pm-9:55 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Mon 1/19

5:30 am-10:20 am

1 stop7h 50m

$314

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 2/23

7:00 am-5:27 pm

1 stop7h 27m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 18 results

Compare providers for flights from San Jose to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Dulles Intl in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Jose with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?

The price you pay for your flight from San Jose, California to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?

Currently, May is the cheapest month in which you can book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Jose, California to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJC to IAD?

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from San Jose, California to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

How much does it cost to fly round-trip from San Jose, California to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Jose to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,477 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,477 reviews

Alaska Airlines

8.0

Very good

11,477 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Southwest

7.9

Good

4,250 reviews

Alaska Airlines

8.0

Very good

11,477 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Delta

7.9

Good

8,006 reviews

Alaska Airlines

8.0

Very good

11,477 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

United Airlines

7.4

Good

9,093 reviews

Alaska Airlines

8.0

Very good

11,477 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Frontier

5.8

Fair

3,081 reviews

Alaska Airlines

8.0

Very good

11,477 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

What airport do you fly from for flights from San Jose to Washington, D.C. Dulles Intl?
San Jose (SJC), located 2.9 mi from the city center, is the airport you fly out of when you book flights from San Jose to Washington, D.C. Dulles Intl. 5 airlines have flights from San Jose to Washington, D.C. Dulles Intl on a regular basis. Booking flights from San Jose to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.
How long is the flight from San Jose, California to Washington, D.C. Dulles Intl Airport?
For as low as $267, Delta can have you in Washington, D.C. Dulles Intl Airport from San Jose, California in 13h 39m. Airlines will cover a distance of 2393 mi.
What are the cheapest airlines flying from San Jose, California to Washington, D.C. Dulles Intl Airport round-trip?
Flying on Frontier is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $156. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Southwest, with the lowest prices starting at $264 and $276, respectively. Frontier is currently priced 60% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from San Jose, California to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $98. Alaska Airlines flights start at $109 while deals on Southwest start at $125 one-way.
Can I find deals for flights from San Jose to Dulles Intl that include hotel bookings?
Yes. In addition to deals on San Jose to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Jose to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Dulles Intl.
Can I find deals for business class flights from San Jose to Dulles Intl?
Yes. Cheapflights offers flight deals from San Jose to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?
Currently, May is the cheapest month in which you can book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Jose, California to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from San Jose to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$220	Average$293	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$264	Average$354	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$276	Average$421	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$276	Average$390	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$276	Average$382	FlexibilityNo cancel fee	On-timeN/A

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$145+ Cheap flights from San Jose, CA (SJC) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Jose to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Jose to Washington, D.C. Dulles Intl are usually found in April or September, booked 15 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from San Jose to Dulles Intl

Cheapest flights from San Jose to Dulles IntlExplore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from San Jose to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Jose to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from San Jose to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Dulles Intl in December.

Best time to book a flight from San Jose to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Jose with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?

What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from SJC to IAD?

How much does it cost to fly round-trip from San Jose, California to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Jose to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Jose to Washington, D.C. Dulles Intl?

How long is the flight from San Jose, California to Washington, D.C. Dulles Intl Airport?

What are the cheapest airlines flying from San Jose, California to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from San Jose, California to Washington, D.C. Dulles Intl Airport one-way?

Can I find deals for flights from San Jose to Dulles Intl that include hotel bookings?

How can I find direct flights from San Jose to Dulles Intl?

Can I find deals for business class flights from San Jose to Dulles Intl?

What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for San Jose to Dulles Intl

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Top 5 airlines flying from San Jose to Dulles Intl

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Cheapest flights from San Jose to Dulles Intl
Explore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.