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$139+ Cheap flights from Dulles Intl (IAD) to San Francisco (SFO)

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to San Francisco are usually found in October or September, booked 53 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Dulles Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(Alaska Airlines)

One-way from

$139
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$464

Good round-trip deal

$411 or less

Good one-way deal

$222 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Francisco flights.
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From Washington, D.C. Dulles Intl to San Francisco
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One-way flight from Washington, D.C. Dulles Intl to San Francisco
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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to San Francisco.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Francisco.
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Find flight deals from Dulles Intl to San Francisco

Cheapest flights from Dulles Intl to San Francisco
Explore the most affordable flight options available from Dulles Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025.

This Orbitz deal was found by Cheapflights users on 1/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1810:09 amIAD - SFO
1 stop15h 43mMultiple Airlines
Tue 3/256:00 amSFO - IAD
1 stop7h 58mMultiple Airlines
Deal found 1/21$254
This Alaska Airlines deal was found by Cheapflights users on 1/23. 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.
Wed 2/195:18 pmIAD - SFO
1 stop17h 42mAlaska Airlines
Tue 2/256:00 amSFO - IAD
1 stop7h 18mAlaska Airlines
Deal found 1/23$256
This United Airlines deal was found by Cheapflights users on 1/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:30 amIAD - SFO
Nonstop6h 06mUnited Airlines
Sat 4/129:01 pmSFO - IAD
Nonstop5h 14mUnited Airlines
Deal found 1/22$257
This Frontier deal was found by Cheapflights users on 1/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:19 pmIAD - SFO
1 stop10h 30mFrontier
Sat 4/1210:30 pmSFO - IAD
1 stop9h 25mFrontier
Deal found 1/22$260
This American Airlines deal was found by Cheapflights users on 1/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:12 amIAD - SFO
1 stop10h 25mAmerican Airlines
Wed 2/266:30 pmSFO - IAD
2 stops11h 12mAmerican Airlines
Deal found 1/22$262
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/175:22 pmIAD - SFO
1 stop8h 23mDelta
Wed 3/195:55 amSFO - IAD
1 stop7h 28mDelta
Deal found 1/22$287
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:00 amIAD - SFO
1 stop9h 45mSouthwest
Mon 3/312:50 pmSFO - IAD
1 stop6h 55mSouthwest
Deal found 1/21$291
This Sun Country Air deal was found by Cheapflights users on 1/22. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1812:40 pmIAD - SFO
1 stop7h 46mSun Country Air
Wed 6/2511:59 pmSFO - IAD
1 stop8h 44mSun Country Air
Deal found 1/22$375

Find flights from Dulles Intl to San Francisco within your budget

Customize your flight search to find flights from Dulles Intl to San Francisco 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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 3/18

10:09 am-10:52 pm

1 stop15h 43m

San Francisco

Tue 3/25

6:00 am-4:58 pm

1 stop7h 58m

$254

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/19

5:18 pm-8:00 am

1 stop17h 42m

San Francisco

Tue 2/25

6:00 am-4:18 pm

1 stop7h 18m

$256

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 4/9

5:30 pm-10:55 pm

1 stop8h 25m

San Francisco

Wed 4/23

12:35 pm-10:35 pm

1 stop7h 00m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 4/9

3:19 pm-10:49 pm

1 stop10h 30m

San Francisco

Tue 4/22

11:53 pm-2:12 pm

1 stop11h 19m

$260

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/19

6:30 am-3:31 pm

2 stops12h 01m

San Francisco

Tue 2/25

12:32 am-1:18 pm

1 stop9h 46m

$262

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 4/8

4:00 pm-7:06 pm

Nonstop6h 06m

San Francisco

Tue 4/22

4:55 pm-1:09 am

Nonstop5h 14m

$263

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 3/17

5:22 pm-10:45 pm

1 stop8h 23m

San Francisco

Wed 3/19

5:55 am-4:23 pm

1 stop7h 28m

$287

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 6/18

12:40 pm-5:26 pm

1 stop7h 46m

San Francisco

Wed 6/25

11:59 pm-11:43 am

1 stop8h 44m

$375

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 3/24

6:22 am-9:32 am

Nonstop6h 10m

$139

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 4/17

9:26 am-7:10 pm

2 stops12h 44m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 16 results
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Compare providers for flights from Dulles Intl to San Francisco

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 Dulles Intl to San Francisco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 Washington, D.C. Dulles Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-San Francisco 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 Dulles Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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.

Travel insights for flights from Dulles Intl to San Francisco

Get recent, data-driven insights about flights from Dulles Intl to San Francisco including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Francisco. Price data was last updated on January 17, 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of $276). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in June is currently the most expensive (average of $404). 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 SFO?

Find hourly flight availability from Dulles Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 23, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Francisco in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to San Francisco. Price data was last updated on January 21, 2025.

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

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

Explore weekly flight availability from Dulles Intl to San Francisco. 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 January 23, 2025.

The most flights from IAD to SFO are scheduled on a Thursday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, 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

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated January 23, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and Frontier from Washington, D.C. to San Francisco to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,647 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,699 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,508 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,970 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,647 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Francisco. 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 into for flights to San Francisco from Washington, D.C. Dulles Intl?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San Francisco. 8 airlines have flights to San Francisco from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San Francisco should not be difficult; the airport handles an average of 20 inbound flights from Washington, D.C. Dulles Intl per day.

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

    According to our current data, Alaska Airlines ($256), Frontier ($258), and American Airlines ($262) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to San Francisco. Alaska Airlines is 46% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $139. Users have also found prices from $145 and $148 on Frontier and Alaska Airlines, respectively.

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

    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 on time: Air China (88%), Egyptair (88%), Hawaiian Airlines (85%).

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

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Washington, D.C. Dulles Intl - San Francisco) can be booked for $178 on average our data indicates $1,299 when flying from Washington, D.C. Dulles Intl Airport to San Francisco.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to San Francisco 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?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of $276). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in June is currently the most expensive (average of $404). 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
Roseville
Mountain View
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific Grove

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Alternative routes for Dulles Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Dulles Intl to San Francisco

Discover the top 8 airlines that operate flights from Dulles Intl to San Francisco. 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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$86Average$229FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$236FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$158Average$370FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$240Average$446FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$415FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$307Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$535FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$341Average$483FlexibilityNo cancel feeOn-time63%
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