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Dulles Intl

$117+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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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 June 23, 2025.

Round-trip from

$251
(Trip.com)

One-way from

$117
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$456
From San Francisco Bay Area to Washington, D.C. Dulles Intl
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One-way flight from San Francisco Bay Area to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 23, 2025.

This Trip.com deal was found by Cheapflights users on 6/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:00 amOAK - IAD
1 stop21h 34mMultiple Airlines
Wed 8/137:30 amIAD - OAK
1 stop18h 57mMultiple Airlines
Deal found 6/22$251
This Sun Country Air deal was found by Cheapflights users on 6/21. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:53 pmOAK - IAD
1 stop15h 40mSun Country Air
Sun 8/3111:42 amIAD - OAK
1 stop8h 17mSun Country Air
Deal found 6/21$255
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Tue 8/127:20 amSFO - IAD
1 stop8h 39mHawaiian Airlines
Wed 8/138:10 amIAD - SFO
Nonstop5h 45mHawaiian Airlines
Deal found 6/21$267
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1011:22 pmSFO - IAD
1 stop7h 45mFrontier
Tue 7/157:30 amIAD - SFO
1 stop7h 45mFrontier
Deal found 6/21$273
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 8/216:00 amSJC - IAD
1 stop8h 14mAmerican Airlines
Sun 8/316:27 amIAD - SJC
1 stop8h 45mAmerican Airlines
Deal found 6/23$275
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/1211:10 amSFO - IAD
Nonstop5h 09mAlaska Airlines
Sat 8/168:10 amIAD - SFO
Nonstop5h 45mAlaska Airlines
Deal found 6/23$277
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 8/126:30 amSJC - IAD
1 stop9h 19mDelta
Wed 8/133:26 pmIAD - SJC
1 stop10h 24mDelta
Deal found 6/23$277
This Southwest deal was found by Cheapflights users on 6/22. 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 8/207:00 amSJC - IAD
2 stops12h 05mSouthwest
Sun 8/247:40 amIAD - SJC
2 stops13h 15mSouthwest
Deal found 6/22$280
This Frontier deal was found by Cheapflights users on 6/23. 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.
Mon 7/142:12 pmSJC - IAD
1 stop13h 22mFrontier
Thu 7/317:30 amIAD - SJC
1 stop13h 34mFrontier
Deal found 6/23$289
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/127:47 pmSJC - IAD
1 stop20h 12mAlaska Airlines
Mon 8/185:25 pmIAD - SJC
1 stop8h 11mAlaska Airlines
Deal found 6/23$294
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 8/267:58 pmOAK - IAD
1 stop8h 34mAlaska Airlines
Wed 9/37:00 amIAD - OAK
1 stop9h 36mAlaska Airlines
Deal found 6/21$296
This Delta deal was found by Cheapflights users on 6/23. 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 10/291:15 pmOAK - IAD
1 stop7h 34mDelta
Tue 11/47:20 amIAD - OAK
1 stop8h 04mDelta
Deal found 6/23$297

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 June 23, 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

OaklandWashington, D.C.

OAK - IAD

OAKIAD

Oakland

Thu 8/7

6:00 am-6:34 am

1 stop21h 34m

Washington, D.C. Dulles Intl

Wed 8/13

7:30 am-11:27 pm

1 stop18h 57m

$251

OaklandWashington, D.C.

OAK - IAD

OAKIAD

Oakland

Thu 8/28

5:53 pm-12:33 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Sun 8/31

11:42 am-4:59 pm

1 stop8h 17m

$255

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 8/12

7:20 am-6:59 pm

1 stop8h 39m

Washington, D.C. Dulles Intl

Wed 8/13

8:10 am-10:55 am

Nonstop5h 45m

$267

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 7/10

11:22 pm-10:07 am

1 stop7h 45m

Washington, D.C. Dulles Intl

Tue 7/15

7:30 am-12:15 pm

1 stop7h 45m

$273

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Thu 8/21

6:00 am-5:14 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

Sun 8/31

6:27 am-12:12 pm

1 stop8h 45m

$275

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 8/12

10:43 pm-6:50 am

Nonstop5h 07m

Washington, D.C. Dulles Intl

Tue 8/19

7:59 pm-10:46 pm

Nonstop5h 47m

$277

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 8/12

6:30 am-6:49 pm

1 stop9h 19m

Washington, D.C. Dulles Intl

Wed 8/13

3:26 pm-10:50 pm

1 stop10h 24m

$277

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Wed 8/20

7:00 am-10:05 pm

2 stops12h 05m

Washington, D.C. Dulles Intl

Sun 8/24

7:40 am-5:55 pm

2 stops13h 15m

$280

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Mon 7/14

2:12 pm-6:34 am

1 stop13h 22m

Washington, D.C. Dulles Intl

Thu 7/31

7:30 am-6:04 pm

1 stop13h 34m

$289

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 8/12

7:47 pm-6:59 pm

1 stop20h 12m

Washington, D.C. Dulles Intl

Mon 8/18

5:25 pm-10:36 pm

1 stop8h 11m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 49 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 $309). Flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $346). 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 June 23, 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 June 23, 2025.

The most flights from zzXIH to IAD are scheduled on a Monday (46 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

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 June 23, 2025.
Read through reviews of airlines operating flights from San Francisco Bay Area to Washington, D.C., such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,966 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,831 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

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.

  • 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 Sun Country Air, with whom users have recently found tickets for as low as $123. However, be on the lookout for offers from United Airlines and Southwest, 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: Air China (89%), Austrian Airlines (89%), United Airlines( 83%).

  • 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 $987, our data indicates the cheapest price to be $178. The most popular route (San Francisco - Washington, D.C. Dulles Intl), is priced around $276.

  • 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 $309). Flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $346). 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 San Francisco Bay Area?

Book flights to San Francisco Bay Area if you plan to visit one of these locations
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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.
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Baltimore flights
San Francisco to Reagan-National flights
San Francisco to Dulles Intl flights
San Francisco to Baltimore flights
Ontario to Dulles Intl flights
San Diego to Dulles Intl flights
San Diego to Reagan-National flights
Burbank to Baltimore flights
San Diego to Baltimore flights
Santa Ana to Reagan-National flights
Ontario to Baltimore flights
Las Vegas to Baltimore flights
Santa Ana to Baltimore flights
Santa Ana to Dulles Intl flights
San Jose to Dulles Intl flights
San Jose to Baltimore flights
Ontario to Reagan-National flights
Sacramento to Dulles Intl flights
Las Vegas to Dulles Intl flights
Oakland to Baltimore flights
Sacramento to Baltimore flights
San Jose to Reagan-National flights
Fresno to Dulles Intl flights
Fresno to Reagan-National flights
Las Vegas to Reagan-National flights
Fresno to Baltimore flights
Sacramento to Reagan-National flights
Long Beach to Dulles Intl flights
Burbank to Dulles Intl flights
Oakland to Dulles Intl flights
Palm Springs to Dulles Intl flights
Monterey to Dulles Intl flights
Oakland to Reagan-National flights
Burbank to Reagan-National flights
San Luis Obispo to Dulles Intl flights
Monterey to Reagan-National flights
Long Beach to Baltimore flights
Palm Springs to Baltimore flights
Reno to Dulles Intl flights
Palm Springs to Reagan-National flights
Santa Barbara to Dulles Intl flights
San Luis Obispo to Reagan-National flights
Santa Rosa to Dulles Intl flights
Bakersfield to Reagan-National flights
Medford to Dulles Intl flights
Reno to Baltimore flights
Bakersfield to Dulles Intl flights
Reno to Reagan-National flights

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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$178FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$239FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$154Average$372FlexibilityNo cancel feeOn-time83%
DeltaCheapest$208Average$423FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$237Average$397FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$250Average$401FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$499FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$451FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$468FlexibilityNo cancel feeOn-time69%

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