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$129+ Cheap flights from Dulles Intl (IAD) to San Francisco Bay Area

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Dulles Intl to San Francisco Bay Area

Keep the following information in mind while searching for Dulles Intl to San Francisco Bay Area flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Alaska Airlines)

One-way from

$129
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$480
Provider with most accurate pricing for Washington, D.C. (WAS)-San Francisco flight deals.
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From Washington, D.C. Dulles Intl to San Francisco Bay Area
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One-way flight from Washington, D.C. Dulles Intl to San Francisco Bay Area
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Highest demand for flights based on searches. 9% potential increase in price ($47 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 March 2025
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Find flight deals from Dulles Intl to San Francisco Bay Area

Cheapest flights from Dulles Intl to San Francisco Bay Area
Explore the most affordable flight options available from Dulles Intl to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 4/197:31 amIAD - SJC
1 stop14h 17mAlaska Airlines
Sat 4/266:15 amSJC - IAD
1 stop7h 23mAlaska Airlines
Deal found 3/31$216
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/36:18 amIAD - SJC
1 stop10h 11mAmerican Airlines
Sat 5/1012:10 pmSJC - IAD
1 stop7h 47mAmerican Airlines
Deal found 3/31$217
This Frontier deal was found by Cheapflights users on 3/31. 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 5/58:01 amIAD - SJC
1 stop13h 40mFrontier
Thu 5/87:41 pmSJC - IAD
1 stop7h 50mFrontier
Deal found 3/31$238
This Southwest deal was found by Cheapflights users on 3/31. 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.
Thu 4/245:35 pmIAD - SJC
1 stop8h 00mSouthwest
Wed 4/306:35 amSJC - IAD
1 stop7h 10mSouthwest
Deal found 3/31$247
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 5/243:35 pmIAD - SJC
1 stop10h 04mUnited Airlines
Sat 6/76:26 pmSJC - IAD
1 stop7h 49mUnited Airlines
Deal found 3/31$257
This Delta deal was found by Cheapflights users on 3/31. 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.
Sat 4/197:35 amIAD - SJC
1 stop7h 36mDelta
Wed 4/231:05 pmSJC - IAD
1 stop8h 20mDelta
Deal found 3/31$277
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/3010:00 amIAD - OAK
1 stop8h 48mAlaska Airlines
Wed 5/74:43 pmOAK - IAD
1 stop12h 00mAlaska Airlines
Deal found 3/31$277
This Frontier deal was found by Cheapflights users on 3/30. 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 4/73:28 pmIAD - SFO
1 stop10h 30mFrontier
Sat 4/1210:30 pmSFO - IAD
1 stop15h 32mFrontier
Deal found 3/30$278
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/265:00 amIAD - SFO
1 stop10h 26mAmerican Airlines
Sat 5/37:00 amSFO - IAD
1 stop9h 41mAmerican Airlines
Deal found 3/31$279
This Expedia deal was found by Cheapflights users on 3/30. 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.
Thu 5/87:45 amIAD - SFO
1 stop8h 04mMultiple Airlines
Mon 5/129:35 pmSFO - IAD
Nonstop5h 05mMultiple Airlines
Deal found 3/30$283
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 4/268:15 amIAD - SFO
Nonstop6h 13mUnited Airlines
Mon 4/2810:44 pmSFO - IAD
Nonstop5h 16mUnited Airlines
Deal found 3/31$287
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 4/267:00 amIAD - SFO
Nonstop6h 08mAlaska Airlines
Mon 5/54:31 pmSFO - IAD
1 stop20h 29mAlaska Airlines
Deal found 3/31$290

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to San Francisco Bay Area 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 March 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area that are best for you.

Fly from

Dulles Intl

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 4/19

7:31 am-6:48 pm

1 stop14h 17m

San Jose

Sat 4/26

6:15 am-4:38 pm

1 stop7h 23m

$216

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 5/3

6:18 am-1:29 pm

1 stop10h 11m

San Jose

Sat 5/10

12:10 pm-10:57 pm

1 stop7h 47m

$217

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Mon 5/5

8:01 am-6:41 pm

1 stop13h 40m

San Jose

Thu 5/8

7:41 pm-6:31 am

1 stop7h 50m

$238

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Thu 4/24

5:35 pm-10:35 pm

1 stop8h 00m

San Jose

Wed 4/30

6:35 am-4:45 pm

1 stop7h 10m

$247

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 5/24

3:35 pm-10:39 pm

1 stop10h 04m

San Jose

Sat 6/7

6:26 pm-5:15 am

1 stop7h 49m

$257

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 4/19

7:35 am-12:11 pm

1 stop7h 36m

San Jose

Wed 4/23

1:05 pm-12:25 am

1 stop8h 20m

$277

Washington, D.C.Oakland

IAD - OAK

IADOAK

Washington, D.C. Dulles Intl

Wed 4/30

10:00 am-3:48 pm

1 stop8h 48m

Oakland

Wed 5/7

4:43 pm-7:43 am

1 stop12h 00m

$277

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 4/16

3:19 pm-10:58 pm

1 stop10h 39m

San Francisco

Thu 4/17

11:49 pm-2:35 pm

1 stop11h 46m

$278

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 4/26

5:00 am-12:26 pm

1 stop10h 26m

San Francisco

Sat 5/3

7:00 am-7:41 pm

1 stop9h 41m

$279

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 5/8

7:45 am-12:49 pm

1 stop8h 04m

San Francisco

Sun 5/11

9:35 pm-5:40 am

Nonstop5h 05m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 48 results
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Best time to book a flight from Dulles Intl to San Francisco Bay Area

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area (average of $276). Flying from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area in June is currently the most expensive (average of $393). 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 IAD to XIH?

Find hourly flight availability from Dulles Intl to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

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

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

Explore weekly flight availability from Dulles Intl to San Francisco Bay Area. 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 March 31, 2025.

The most flights from IAD to zzXIH are scheduled on a Monday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 in.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Washington, D.C. to San Francisco Bay Area. 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
9,818 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Francisco Bay Area. 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 Washington, D.C. Dulles Intl Airport to San Francisco Bay Area one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $129. American Airlines flights start at $134 while deals on Alaska Airlines start at $138 one-way.

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

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area consider Washington, D.C. Dulles Intl - San Francisco, Washington, D.C. Dulles Intl - San Jose or Washington, D.C. Dulles Intl - Oakland as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area on time: Egyptair (100%), Air China (93%), Lufthansa (88%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area is $138. On average you can expect to pay $1,352. The most popular route, (Washington, D.C. Dulles Intl - San Francisco), can usually be booked for $235.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area (average of $276). Flying from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area in June is currently the most expensive (average of $393). 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

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Alternative routes for Dulles Intl to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Dulles Intl to San Francisco Bay Area

Discover the top 9 airlines that operate flights from Dulles Intl to San Francisco Bay Area. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$224FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$217FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$158Average$370FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$198Average$505FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$206Average$506FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$237Average$467FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$443FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$505FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$277Average$337FlexibilityNo cancel feeOn-time85%
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