Dulles Intl

$109+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
Sep 1 — Sep 81
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Cheap 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 August 27, 2025.

Round-trip from

$233
(Alaska Airlines)

One-way from

$109
(Southwest)

Popular in

December

Cheapest in

September

Average price

$417
From San Francisco Bay Area to Washington, D.C. Dulles Intl
One-way flight from San Francisco Bay Area to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find 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 August 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:00 pmSJC - IAD
1 stop23h 13mAlaska Airlines
Fri 10/315:40 pmIAD - SJC
1 stop19h 08mAlaska Airlines
Deal found 8/26$233
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:00 amSJC - IAD
1 stop7h 47mAmerican Airlines
Sat 9/206:25 amIAD - SJC
1 stop9h 14mAmerican Airlines
Deal found 8/25$234
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:06 amSJC - IAD
1 stop11h 17mAlaska Airlines
Tue 10/75:42 pmIAD - SJC
1 stop7h 57mAlaska Airlines
Deal found 8/26$250
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/11:00 pmSJC - IAD
1 stop7h 51mUnited Airlines
Sat 10/42:45 pmIAD - SJC
1 stop9h 09mUnited Airlines
Deal found 8/25$251
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:00 amSJC - IAD
1 stop7h 47mAmerican Airlines
Sat 9/2711:47 amIAD - SJC
1 stop7h 54mAmerican Airlines
Deal found 8/25$252
This Southwest deal was found by Cheapflights users on 8/27. 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 9/1712:25 pmSJC - IAD
1 stop6h 40mSouthwest
Sat 9/207:00 amIAD - SJC
2 stops11h 40mSouthwest
Deal found 8/27$256
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:00 pmSFO - IAD
1 stop17h 55mFrontier
Thu 9/181:55 pmIAD - SFO
1 stop10h 26mFrontier
Deal found 8/26$259
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:00 pmSFO - IAD
1 stop17h 55mFrontier
Fri 9/191:55 pmIAD - SFO
1 stop10h 26mFrontier
Deal found 8/26$260
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:28 pmSFO - IAD
2 stops25h 27mFrontier
Sat 9/137:00 amIAD - SFO
1 stop17h 21mFrontier
Deal found 8/27$261
This American Airlines deal was found by Cheapflights users on 8/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amSJC - IAD
2 stops13h 48mAmerican Airlines
Sat 9/2012:48 pmIAD - SJC
2 stops11h 20mAmerican Airlines
Deal found 8/27$261
This Frontier deal was found by Cheapflights users on 8/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:57 pmSFO - IAD
1 stop9h 05mFrontier
Mon 9/81:55 pmIAD - SFO
1 stop10h 26mFrontier
Deal found 8/26$262
This Southwest deal was found by Cheapflights users on 8/26. 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 10/226:30 amSJC - IAD
1 stop6h 30mSouthwest
Wed 10/297:40 amIAD - SJC
2 stops12h 35mSouthwest
Deal found 8/26$262

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 August 27, 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

Tue 10/28

3:00 pm-5:13 pm

1 stop23h 13m

Washington, D.C. Dulles Intl

Fri 10/31

5:40 pm-9:48 am

1 stop19h 08m

$233

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 9/6

6:00 am-4:47 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Sat 9/20

6:25 am-12:39 pm

1 stop9h 14m

$234

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 9/17

12:52 pm-12:23 am

1 stop8h 31m

Washington, D.C. Dulles Intl

Tue 9/23

5:52 pm-10:38 pm

1 stop7h 46m

$250

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 9/30

6:30 pm-7:33 am

1 stop10h 03m

Washington, D.C. Dulles Intl

Tue 10/7

6:25 am-2:50 pm

1 stop11h 25m

$250

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 9/17

12:52 pm-12:23 am

1 stop8h 31m

Washington, D.C. Dulles Intl

Wed 9/24

7:00 am-2:21 pm

1 stop10h 21m

$250

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 9/30

6:15 am-4:52 pm

1 stop7h 37m

Washington, D.C. Dulles Intl

Wed 10/1

7:00 am-2:21 pm

1 stop10h 21m

$250

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 10/1

4:44 pm-6:01 am

1 stop10h 17m

Washington, D.C. Dulles Intl

Wed 10/8

6:05 am-10:33 am

1 stop7h 28m

$277

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 9/27

6:30 am-2:46 pm

Nonstop5h 16m

Washington, D.C. Dulles Intl

Tue 9/30

4:00 pm-6:50 pm

Nonstop5h 50m

$277

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 10/1

5:55 am-4:15 pm

1 stop7h 20m

Washington, D.C. Dulles Intl

Tue 10/7

7:40 am-3:00 pm

1 stop10h 20m

$277

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 10/21

5:55 am-4:29 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Tue 10/28

3:33 pm-9:06 pm

1 stop8h 33m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

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, August 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 $300). Flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 27, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport as you normally would.

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 August 27, 2025.

The most flights from zzXIH to IAD are scheduled on a Wednesday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 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 August 27, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 7h 47m. Alaska Airlines provides one of the quickest options available for as low as $234. San Francisco Bay Area and Washington, D.C. Dulles Intl Airport are separated by a distance of 2393 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 $109. However, be on the lookout for offers from Southwest and Hawaiian 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?

  • 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: Asiana Airlines (83%), United Airlines (82%), Egyptair( 79%).

  • 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 $1,039, our data indicates the cheapest price to be $170. The most popular route (San Francisco - Washington, D.C. Dulles Intl), is priced around $253.

  • 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, August 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 $300). Flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Linthicum Heights
Fairfax
Towson
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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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.

Top 9 airlines flying from San Francisco Bay Area to Dulles Intl

Discover the top 9 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 August 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$108FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$347FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$218Average$313FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$250Average$399FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$405FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$258Average$447FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$460FlexibilityNo cancel feeOn-time69%

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