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Dulles Intl

$139+ Cheap flights from San Francisco Bay Area 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Dulles Intl

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

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:40 pmSJC - IAD
2 stops13h 09mDelta
Sat 1/107:05 amIAD - SJC
1 stop8h 19mDelta
Deal found 12/17$349
This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:20 pmSFO - IAD
1 stop9h 18mMultiple Airlines
Sat 1/105:26 pmIAD - SFO
1 stop8h 21mMultiple Airlines
Deal found 12/17$359
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:45 pmSJC - IAD
1 stop6h 33mDelta
Wed 1/77:05 amIAD - SJC
1 stop8h 21mDelta
Deal found 12/17$399
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:20 pmSFO - IAD
1 stop9h 18mMultiple Airlines
Wed 1/75:26 pmIAD - SFO
1 stop8h 21mMultiple Airlines
Deal found 12/16$409
This Priceline deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:20 pmSFO - IAD
1 stop9h 18mFrontier
Sat 1/106:00 amIAD - SFO
1 stop10h 31mFrontier
Deal found 12/17$412
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amSFO - IAD
Nonstop5h 10mUnited Airlines
Tue 1/67:45 pmIAD - SFO
Nonstop6h 12mUnited Airlines
Deal found 12/16$417
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:20 pmSFO - IAD
1 stop9h 18mMultiple Airlines
Tue 1/67:33 amIAD - SFO
1 stop9h 21mMultiple Airlines
Deal found 12/16$429
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This Southwest deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:15 pmSFO - IAD
1 stop6h 55mSouthwest
Sat 1/103:45 pmIAD - SFO
1 stop7h 50mSouthwest
Deal found 12/17$437
This Priceline deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:20 pmSFO - IAD
1 stop9h 18mFrontier
Thu 1/15:35 amIAD - SFO
1 stop10h 38mFrontier
Deal found 12/17$442

Find flight deals from San Francisco Bay Area to Dulles Intl

Keep the following information in mind while searching for San Francisco Bay Area to Dulles Intl flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$250
(Alaska Airlines)

One-way from

$139
(Southwest)

Popular in

December

Cheapest in

February

Average price

$542
Provider with most accurate pricing for San Francisco-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Washington, D.C. (WAS) flights.
Search Deals
From San Francisco Bay Area to Washington, D.C. Dulles Intl
Search Deals
One-way flight from San Francisco Bay Area to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

San Francisco Bay Area

Fly to

Dulles Intl

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 FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 1/8

9:20 pm-5:32 am

Nonstop5h 12m

Washington, D.C. Dulles Intl

Wed 1/14

6:15 pm-9:35 pm

Nonstop6h 20m

$277

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 1/6

5:45 am-4:46 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Wed 1/14

7:00 am-1:47 pm

1 stop9h 47m

$277

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 FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 1/28

12:10 pm-11:06 pm

1 stop7h 56m

Washington, D.C. Dulles Intl

Sun 2/1

7:30 am-2:40 pm

1 stop10h 10m

$291

OaklandWashington, D.C.

OAK - IAD

OAKIAD

Oakland

Wed 1/7

9:40 am-9:55 pm

1 stop9h 15m

Washington, D.C. Dulles Intl

Wed 1/21

5:30 pm-10:15 pm

1 stop7h 45m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Francisco Bay Area 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 Francisco Bay Area to Washington, D.C. Dulles Intl Airport

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

Currently, May is the cheapest month in which you can book a flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Francisco Bay Area 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 XIH to IAD?

Find hourly flight availability from San Francisco Bay Area to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight at noon.

What is the cheapest day to fly from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco Bay Area to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from San Francisco Bay Area to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from zzXIH to IAD are scheduled on a Thursday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

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
11,478 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

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.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

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.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

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.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

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.
Frontier
5.8
Fair
3,081 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

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.

Related info for your journey

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

  • How long is the flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

    A quick flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport can take about 5h 12m. Delta provides one of the quickest options available for as low as $277. San Francisco Bay Area and Washington, D.C. Dulles Intl Airport are separated by a distance of 2412 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $86. However, be on the lookout for offers from Frontier and Alaska Airlines, as they are both options that can get you from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most popular routes from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

    The most popular flight routes from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport are San Francisco - Washington, D.C. Dulles Intl, San Jose - Washington, D.C. Dulles Intl and Oakland - Washington, D.C. Dulles Intl.

  • What are the most reliable airlines from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from San Francisco Bay Area, check out the most reliable airlines to get you to your destination on time: ITA Airways (100%), Egyptair (92%), Asiana Airlines( 91%).

  • What are the cheapest flights from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

    Looking for the cheapest flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport? While on average our users pay $1,218, our data indicates the cheapest price to be $146. The most popular route (San Francisco - Washington, D.C. Dulles Intl), is priced around $207.

  • Can I find deals for flights from San Francisco Bay Area to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from San Francisco Bay Area 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 Francisco Bay Area to Dulles Intl.

  • Can I find deals for business class flights from San Francisco Bay Area to Dulles Intl?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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 Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Francisco Bay Area 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.

See more FAQs

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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Alternative routes for San Francisco Bay Area to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Oakland to Dulles Intl flights
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Santa Ana to Baltimore flights
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Long Beach to Baltimore flights
San Jose to Baltimore flights
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Oakland to Reagan-National flights
San Jose to Reagan-National flights
Oakland to Baltimore flights
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Santa Ana to Reagan-National flights
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Reno to Reagan-National flights
Fresno to Reagan-National flights
Reno to Baltimore flights
San Luis Obispo to Reagan-National flights
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Bakersfield to Dulles Intl flights
Santa Barbara to Baltimore flights
Palm Springs to Reagan-National flights
Medford to Reagan-National flights
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Top 7 airlines flying from San Francisco Bay Area to Dulles Intl

Discover the top 7 airlines that operate flights from San Francisco Bay Area to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$287FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$172Average$396FlexibilityNo cancel feeOn-time71%
DeltaCheapest$237Average$380FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$251Average$401FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$255Average$376FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$271Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$424FlexibilityNo cancel feeOn-time63%

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